1 /*
2  * kmp_settings.cpp -- Initialize environment variables
3  */
4 
5 //===----------------------------------------------------------------------===//
6 //
7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
8 // See https://llvm.org/LICENSE.txt for license information.
9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "kmp.h"
14 #include "kmp_affinity.h"
15 #include "kmp_atomic.h"
16 #if KMP_USE_HIER_SCHED
17 #include "kmp_dispatch_hier.h"
18 #endif
19 #include "kmp_environment.h"
20 #include "kmp_i18n.h"
21 #include "kmp_io.h"
22 #include "kmp_itt.h"
23 #include "kmp_lock.h"
24 #include "kmp_settings.h"
25 #include "kmp_str.h"
26 #include "kmp_wrapper_getpid.h"
27 #include <ctype.h> // toupper()
28 #if OMPD_SUPPORT
29 #include "ompd-specific.h"
30 #endif
31 
32 static int __kmp_env_toPrint(char const *name, int flag);
33 
34 bool __kmp_env_format = 0; // 0 - old format; 1 - new format
35 
36 // -----------------------------------------------------------------------------
37 // Helper string functions. Subject to move to kmp_str.
38 
39 #ifdef USE_LOAD_BALANCE
40 static double __kmp_convert_to_double(char const *s) {
41   double result;
42 
43   if (KMP_SSCANF(s, "%lf", &result) < 1) {
44     result = 0.0;
45   }
46 
47   return result;
48 }
49 #endif
50 
51 #ifdef KMP_DEBUG
52 static unsigned int __kmp_readstr_with_sentinel(char *dest, char const *src,
53                                                 size_t len, char sentinel) {
54   unsigned int i;
55   for (i = 0; i < len; i++) {
56     if ((*src == '\0') || (*src == sentinel)) {
57       break;
58     }
59     *(dest++) = *(src++);
60   }
61   *dest = '\0';
62   return i;
63 }
64 #endif
65 
66 static int __kmp_match_with_sentinel(char const *a, char const *b, size_t len,
67                                      char sentinel) {
68   size_t l = 0;
69 
70   if (a == NULL)
71     a = "";
72   if (b == NULL)
73     b = "";
74   while (*a && *b && *b != sentinel) {
75     char ca = *a, cb = *b;
76 
77     if (ca >= 'a' && ca <= 'z')
78       ca -= 'a' - 'A';
79     if (cb >= 'a' && cb <= 'z')
80       cb -= 'a' - 'A';
81     if (ca != cb)
82       return FALSE;
83     ++l;
84     ++a;
85     ++b;
86   }
87   return l >= len;
88 }
89 
90 // Expected usage:
91 //     token is the token to check for.
92 //     buf is the string being parsed.
93 //     *end returns the char after the end of the token.
94 //        it is not modified unless a match occurs.
95 //
96 // Example 1:
97 //
98 //     if (__kmp_match_str("token", buf, *end) {
99 //         <do something>
100 //         buf = end;
101 //     }
102 //
103 //  Example 2:
104 //
105 //     if (__kmp_match_str("token", buf, *end) {
106 //         char *save = **end;
107 //         **end = sentinel;
108 //         <use any of the __kmp*_with_sentinel() functions>
109 //         **end = save;
110 //         buf = end;
111 //     }
112 
113 static int __kmp_match_str(char const *token, char const *buf,
114                            const char **end) {
115 
116   KMP_ASSERT(token != NULL);
117   KMP_ASSERT(buf != NULL);
118   KMP_ASSERT(end != NULL);
119 
120   while (*token && *buf) {
121     char ct = *token, cb = *buf;
122 
123     if (ct >= 'a' && ct <= 'z')
124       ct -= 'a' - 'A';
125     if (cb >= 'a' && cb <= 'z')
126       cb -= 'a' - 'A';
127     if (ct != cb)
128       return FALSE;
129     ++token;
130     ++buf;
131   }
132   if (*token) {
133     return FALSE;
134   }
135   *end = buf;
136   return TRUE;
137 }
138 
139 #if KMP_OS_DARWIN
140 static size_t __kmp_round4k(size_t size) {
141   size_t _4k = 4 * 1024;
142   if (size & (_4k - 1)) {
143     size &= ~(_4k - 1);
144     if (size <= KMP_SIZE_T_MAX - _4k) {
145       size += _4k; // Round up if there is no overflow.
146     }
147   }
148   return size;
149 } // __kmp_round4k
150 #endif
151 
152 /* Here, multipliers are like __kmp_convert_to_seconds, but floating-point
153    values are allowed, and the return value is in milliseconds.  The default
154    multiplier is milliseconds.  Returns INT_MAX only if the value specified
155    matches "infinit*".  Returns -1 if specified string is invalid. */
156 int __kmp_convert_to_milliseconds(char const *data) {
157   int ret, nvalues, factor;
158   char mult, extra;
159   double value;
160 
161   if (data == NULL)
162     return (-1);
163   if (__kmp_str_match("infinit", -1, data))
164     return (INT_MAX);
165   value = (double)0.0;
166   mult = '\0';
167 #if KMP_OS_WINDOWS && KMP_MSVC_COMPAT
168   // On Windows, each %c parameter needs additional size parameter for sscanf_s
169   nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, 1, &extra, 1);
170 #else
171   nvalues = KMP_SSCANF(data, "%lf%c%c", &value, &mult, &extra);
172 #endif
173   if (nvalues < 1)
174     return (-1);
175   if (nvalues == 1)
176     mult = '\0';
177   if (nvalues == 3)
178     return (-1);
179 
180   if (value < 0)
181     return (-1);
182 
183   switch (mult) {
184   case '\0':
185     /*  default is milliseconds  */
186     factor = 1;
187     break;
188   case 's':
189   case 'S':
190     factor = 1000;
191     break;
192   case 'm':
193   case 'M':
194     factor = 1000 * 60;
195     break;
196   case 'h':
197   case 'H':
198     factor = 1000 * 60 * 60;
199     break;
200   case 'd':
201   case 'D':
202     factor = 1000 * 24 * 60 * 60;
203     break;
204   default:
205     return (-1);
206   }
207 
208   if (value >= ((INT_MAX - 1) / factor))
209     ret = INT_MAX - 1; /* Don't allow infinite value here */
210   else
211     ret = (int)(value * (double)factor); /* truncate to int  */
212 
213   return ret;
214 }
215 
216 static int __kmp_strcasecmp_with_sentinel(char const *a, char const *b,
217                                           char sentinel) {
218   if (a == NULL)
219     a = "";
220   if (b == NULL)
221     b = "";
222   while (*a && *b && *b != sentinel) {
223     char ca = *a, cb = *b;
224 
225     if (ca >= 'a' && ca <= 'z')
226       ca -= 'a' - 'A';
227     if (cb >= 'a' && cb <= 'z')
228       cb -= 'a' - 'A';
229     if (ca != cb)
230       return (int)(unsigned char)*a - (int)(unsigned char)*b;
231     ++a;
232     ++b;
233   }
234   return *a                       ? (*b && *b != sentinel)
235                                         ? (int)(unsigned char)*a - (int)(unsigned char)*b
236                                         : 1
237          : (*b && *b != sentinel) ? -1
238                                   : 0;
239 }
240 
241 // =============================================================================
242 // Table structures and helper functions.
243 
244 typedef struct __kmp_setting kmp_setting_t;
245 typedef struct __kmp_stg_ss_data kmp_stg_ss_data_t;
246 typedef struct __kmp_stg_wp_data kmp_stg_wp_data_t;
247 typedef struct __kmp_stg_fr_data kmp_stg_fr_data_t;
248 
249 typedef void (*kmp_stg_parse_func_t)(char const *name, char const *value,
250                                      void *data);
251 typedef void (*kmp_stg_print_func_t)(kmp_str_buf_t *buffer, char const *name,
252                                      void *data);
253 
254 struct __kmp_setting {
255   char const *name; // Name of setting (environment variable).
256   kmp_stg_parse_func_t parse; // Parser function.
257   kmp_stg_print_func_t print; // Print function.
258   void *data; // Data passed to parser and printer.
259   int set; // Variable set during this "session"
260   //     (__kmp_env_initialize() or kmp_set_defaults() call).
261   int defined; // Variable set in any "session".
262 }; // struct __kmp_setting
263 
264 struct __kmp_stg_ss_data {
265   size_t factor; // Default factor: 1 for KMP_STACKSIZE, 1024 for others.
266   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
267 }; // struct __kmp_stg_ss_data
268 
269 struct __kmp_stg_wp_data {
270   int omp; // 0 -- KMP_LIBRARY, 1 -- OMP_WAIT_POLICY.
271   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
272 }; // struct __kmp_stg_wp_data
273 
274 struct __kmp_stg_fr_data {
275   int force; // 0 -- KMP_DETERMINISTIC_REDUCTION, 1 -- KMP_FORCE_REDUCTION.
276   kmp_setting_t **rivals; // Array of pointers to rivals (including itself).
277 }; // struct __kmp_stg_fr_data
278 
279 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
280     char const *name, // Name of variable.
281     char const *value, // Value of the variable.
282     kmp_setting_t **rivals // List of rival settings (must include current one).
283 );
284 
285 // -----------------------------------------------------------------------------
286 // Helper parse functions.
287 
288 static void __kmp_stg_parse_bool(char const *name, char const *value,
289                                  int *out) {
290   if (__kmp_str_match_true(value)) {
291     *out = TRUE;
292   } else if (__kmp_str_match_false(value)) {
293     *out = FALSE;
294   } else {
295     __kmp_msg(kmp_ms_warning, KMP_MSG(BadBoolValue, name, value),
296               KMP_HNT(ValidBoolValues), __kmp_msg_null);
297   }
298 } // __kmp_stg_parse_bool
299 
300 // placed here in order to use __kmp_round4k static function
301 void __kmp_check_stksize(size_t *val) {
302   // if system stack size is too big then limit the size for worker threads
303   if (*val > KMP_DEFAULT_STKSIZE * 16) // just a heuristics...
304     *val = KMP_DEFAULT_STKSIZE * 16;
305   if (*val < __kmp_sys_min_stksize)
306     *val = __kmp_sys_min_stksize;
307   if (*val > KMP_MAX_STKSIZE)
308     *val = KMP_MAX_STKSIZE; // dead code currently, but may work in future
309 #if KMP_OS_DARWIN
310   *val = __kmp_round4k(*val);
311 #endif // KMP_OS_DARWIN
312 }
313 
314 static void __kmp_stg_parse_size(char const *name, char const *value,
315                                  size_t size_min, size_t size_max,
316                                  int *is_specified, size_t *out,
317                                  size_t factor) {
318   char const *msg = NULL;
319 #if KMP_OS_DARWIN
320   size_min = __kmp_round4k(size_min);
321   size_max = __kmp_round4k(size_max);
322 #endif // KMP_OS_DARWIN
323   if (value) {
324     if (is_specified != NULL) {
325       *is_specified = 1;
326     }
327     __kmp_str_to_size(value, out, factor, &msg);
328     if (msg == NULL) {
329       if (*out > size_max) {
330         *out = size_max;
331         msg = KMP_I18N_STR(ValueTooLarge);
332       } else if (*out < size_min) {
333         *out = size_min;
334         msg = KMP_I18N_STR(ValueTooSmall);
335       } else {
336 #if KMP_OS_DARWIN
337         size_t round4k = __kmp_round4k(*out);
338         if (*out != round4k) {
339           *out = round4k;
340           msg = KMP_I18N_STR(NotMultiple4K);
341         }
342 #endif
343       }
344     } else {
345       // If integer overflow occurred, * out == KMP_SIZE_T_MAX. Cut it to
346       // size_max silently.
347       if (*out < size_min) {
348         *out = size_max;
349       } else if (*out > size_max) {
350         *out = size_max;
351       }
352     }
353     if (msg != NULL) {
354       // Message is not empty. Print warning.
355       kmp_str_buf_t buf;
356       __kmp_str_buf_init(&buf);
357       __kmp_str_buf_print_size(&buf, *out);
358       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
359       KMP_INFORM(Using_str_Value, name, buf.str);
360       __kmp_str_buf_free(&buf);
361     }
362   }
363 } // __kmp_stg_parse_size
364 
365 static void __kmp_stg_parse_str(char const *name, char const *value,
366                                 char **out) {
367   __kmp_str_free(out);
368   *out = __kmp_str_format("%s", value);
369 } // __kmp_stg_parse_str
370 
371 static void __kmp_stg_parse_int(
372     char const
373         *name, // I: Name of environment variable (used in warning messages).
374     char const *value, // I: Value of environment variable to parse.
375     int min, // I: Minimum allowed value.
376     int max, // I: Maximum allowed value.
377     int *out // O: Output (parsed) value.
378 ) {
379   char const *msg = NULL;
380   kmp_uint64 uint = *out;
381   __kmp_str_to_uint(value, &uint, &msg);
382   if (msg == NULL) {
383     if (uint < (unsigned int)min) {
384       msg = KMP_I18N_STR(ValueTooSmall);
385       uint = min;
386     } else if (uint > (unsigned int)max) {
387       msg = KMP_I18N_STR(ValueTooLarge);
388       uint = max;
389     }
390   } else {
391     // If overflow occurred msg contains error message and uint is very big. Cut
392     // tmp it to INT_MAX.
393     if (uint < (unsigned int)min) {
394       uint = min;
395     } else if (uint > (unsigned int)max) {
396       uint = max;
397     }
398   }
399   if (msg != NULL) {
400     // Message is not empty. Print warning.
401     kmp_str_buf_t buf;
402     KMP_WARNING(ParseSizeIntWarn, name, value, msg);
403     __kmp_str_buf_init(&buf);
404     __kmp_str_buf_print(&buf, "%" KMP_UINT64_SPEC "", uint);
405     KMP_INFORM(Using_uint64_Value, name, buf.str);
406     __kmp_str_buf_free(&buf);
407   }
408   __kmp_type_convert(uint, out);
409 } // __kmp_stg_parse_int
410 
411 #if KMP_DEBUG_ADAPTIVE_LOCKS
412 static void __kmp_stg_parse_file(char const *name, char const *value,
413                                  const char *suffix, char **out) {
414   char buffer[256];
415   char *t;
416   int hasSuffix;
417   __kmp_str_free(out);
418   t = (char *)strrchr(value, '.');
419   hasSuffix = t && __kmp_str_eqf(t, suffix);
420   t = __kmp_str_format("%s%s", value, hasSuffix ? "" : suffix);
421   __kmp_expand_file_name(buffer, sizeof(buffer), t);
422   __kmp_str_free(&t);
423   *out = __kmp_str_format("%s", buffer);
424 } // __kmp_stg_parse_file
425 #endif
426 
427 #ifdef KMP_DEBUG
428 static char *par_range_to_print = NULL;
429 
430 static void __kmp_stg_parse_par_range(char const *name, char const *value,
431                                       int *out_range, char *out_routine,
432                                       char *out_file, int *out_lb,
433                                       int *out_ub) {
434   const char *par_range_value;
435   size_t len = KMP_STRLEN(value) + 1;
436   par_range_to_print = (char *)KMP_INTERNAL_MALLOC(len + 1);
437   KMP_STRNCPY_S(par_range_to_print, len + 1, value, len + 1);
438   __kmp_par_range = +1;
439   __kmp_par_range_lb = 0;
440   __kmp_par_range_ub = INT_MAX;
441   for (;;) {
442     unsigned int len;
443     if (!value || *value == '\0') {
444       break;
445     }
446     if (!__kmp_strcasecmp_with_sentinel("routine", value, '=')) {
447       par_range_value = strchr(value, '=') + 1;
448       if (!par_range_value)
449         goto par_range_error;
450       value = par_range_value;
451       len = __kmp_readstr_with_sentinel(out_routine, value,
452                                         KMP_PAR_RANGE_ROUTINE_LEN - 1, ',');
453       if (len == 0) {
454         goto par_range_error;
455       }
456       value = strchr(value, ',');
457       if (value != NULL) {
458         value++;
459       }
460       continue;
461     }
462     if (!__kmp_strcasecmp_with_sentinel("filename", value, '=')) {
463       par_range_value = strchr(value, '=') + 1;
464       if (!par_range_value)
465         goto par_range_error;
466       value = par_range_value;
467       len = __kmp_readstr_with_sentinel(out_file, value,
468                                         KMP_PAR_RANGE_FILENAME_LEN - 1, ',');
469       if (len == 0) {
470         goto par_range_error;
471       }
472       value = strchr(value, ',');
473       if (value != NULL) {
474         value++;
475       }
476       continue;
477     }
478     if ((!__kmp_strcasecmp_with_sentinel("range", value, '=')) ||
479         (!__kmp_strcasecmp_with_sentinel("incl_range", value, '='))) {
480       par_range_value = strchr(value, '=') + 1;
481       if (!par_range_value)
482         goto par_range_error;
483       value = par_range_value;
484       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
485         goto par_range_error;
486       }
487       *out_range = +1;
488       value = strchr(value, ',');
489       if (value != NULL) {
490         value++;
491       }
492       continue;
493     }
494     if (!__kmp_strcasecmp_with_sentinel("excl_range", value, '=')) {
495       par_range_value = strchr(value, '=') + 1;
496       if (!par_range_value)
497         goto par_range_error;
498       value = par_range_value;
499       if (KMP_SSCANF(value, "%d:%d", out_lb, out_ub) != 2) {
500         goto par_range_error;
501       }
502       *out_range = -1;
503       value = strchr(value, ',');
504       if (value != NULL) {
505         value++;
506       }
507       continue;
508     }
509   par_range_error:
510     KMP_WARNING(ParRangeSyntax, name);
511     __kmp_par_range = 0;
512     break;
513   }
514 } // __kmp_stg_parse_par_range
515 #endif
516 
517 int __kmp_initial_threads_capacity(int req_nproc) {
518   int nth = 32;
519 
520   /* MIN( MAX( 32, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
521    * __kmp_max_nth) */
522   if (nth < (4 * req_nproc))
523     nth = (4 * req_nproc);
524   if (nth < (4 * __kmp_xproc))
525     nth = (4 * __kmp_xproc);
526 
527   // If hidden helper task is enabled, we initialize the thread capacity with
528   // extra __kmp_hidden_helper_threads_num.
529   if (__kmp_enable_hidden_helper) {
530     nth += __kmp_hidden_helper_threads_num;
531   }
532 
533   if (nth > __kmp_max_nth)
534     nth = __kmp_max_nth;
535 
536   return nth;
537 }
538 
539 int __kmp_default_tp_capacity(int req_nproc, int max_nth,
540                               int all_threads_specified) {
541   int nth = 128;
542 
543   if (all_threads_specified)
544     return max_nth;
545   /* MIN( MAX (128, 4 * $OMP_NUM_THREADS, 4 * omp_get_num_procs() ),
546    * __kmp_max_nth ) */
547   if (nth < (4 * req_nproc))
548     nth = (4 * req_nproc);
549   if (nth < (4 * __kmp_xproc))
550     nth = (4 * __kmp_xproc);
551 
552   if (nth > __kmp_max_nth)
553     nth = __kmp_max_nth;
554 
555   return nth;
556 }
557 
558 // -----------------------------------------------------------------------------
559 // Helper print functions.
560 
561 static void __kmp_stg_print_bool(kmp_str_buf_t *buffer, char const *name,
562                                  int value) {
563   if (__kmp_env_format) {
564     KMP_STR_BUF_PRINT_BOOL;
565   } else {
566     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value ? "true" : "false");
567   }
568 } // __kmp_stg_print_bool
569 
570 static void __kmp_stg_print_int(kmp_str_buf_t *buffer, char const *name,
571                                 int value) {
572   if (__kmp_env_format) {
573     KMP_STR_BUF_PRINT_INT;
574   } else {
575     __kmp_str_buf_print(buffer, "   %s=%d\n", name, value);
576   }
577 } // __kmp_stg_print_int
578 
579 static void __kmp_stg_print_uint64(kmp_str_buf_t *buffer, char const *name,
580                                    kmp_uint64 value) {
581   if (__kmp_env_format) {
582     KMP_STR_BUF_PRINT_UINT64;
583   } else {
584     __kmp_str_buf_print(buffer, "   %s=%" KMP_UINT64_SPEC "\n", name, value);
585   }
586 } // __kmp_stg_print_uint64
587 
588 static void __kmp_stg_print_str(kmp_str_buf_t *buffer, char const *name,
589                                 char const *value) {
590   if (__kmp_env_format) {
591     KMP_STR_BUF_PRINT_STR;
592   } else {
593     __kmp_str_buf_print(buffer, "   %s=%s\n", name, value);
594   }
595 } // __kmp_stg_print_str
596 
597 static void __kmp_stg_print_size(kmp_str_buf_t *buffer, char const *name,
598                                  size_t value) {
599   if (__kmp_env_format) {
600     KMP_STR_BUF_PRINT_NAME_EX(name);
601     __kmp_str_buf_print_size(buffer, value);
602     __kmp_str_buf_print(buffer, "'\n");
603   } else {
604     __kmp_str_buf_print(buffer, "   %s=", name);
605     __kmp_str_buf_print_size(buffer, value);
606     __kmp_str_buf_print(buffer, "\n");
607     return;
608   }
609 } // __kmp_stg_print_size
610 
611 // =============================================================================
612 // Parse and print functions.
613 
614 // -----------------------------------------------------------------------------
615 // KMP_DEVICE_THREAD_LIMIT, KMP_ALL_THREADS
616 
617 static void __kmp_stg_parse_device_thread_limit(char const *name,
618                                                 char const *value, void *data) {
619   kmp_setting_t **rivals = (kmp_setting_t **)data;
620   int rc;
621   if (strcmp(name, "KMP_ALL_THREADS") == 0) {
622     KMP_INFORM(EnvVarDeprecated, name, "KMP_DEVICE_THREAD_LIMIT");
623   }
624   rc = __kmp_stg_check_rivals(name, value, rivals);
625   if (rc) {
626     return;
627   }
628   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
629     __kmp_max_nth = __kmp_xproc;
630     __kmp_allThreadsSpecified = 1;
631   } else {
632     __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_max_nth);
633     __kmp_allThreadsSpecified = 0;
634   }
635   K_DIAG(1, ("__kmp_max_nth == %d\n", __kmp_max_nth));
636 
637 } // __kmp_stg_parse_device_thread_limit
638 
639 static void __kmp_stg_print_device_thread_limit(kmp_str_buf_t *buffer,
640                                                 char const *name, void *data) {
641   __kmp_stg_print_int(buffer, name, __kmp_max_nth);
642 } // __kmp_stg_print_device_thread_limit
643 
644 // -----------------------------------------------------------------------------
645 // OMP_THREAD_LIMIT
646 static void __kmp_stg_parse_thread_limit(char const *name, char const *value,
647                                          void *data) {
648   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_cg_max_nth);
649   K_DIAG(1, ("__kmp_cg_max_nth == %d\n", __kmp_cg_max_nth));
650 
651 } // __kmp_stg_parse_thread_limit
652 
653 static void __kmp_stg_print_thread_limit(kmp_str_buf_t *buffer,
654                                          char const *name, void *data) {
655   __kmp_stg_print_int(buffer, name, __kmp_cg_max_nth);
656 } // __kmp_stg_print_thread_limit
657 
658 // -----------------------------------------------------------------------------
659 // OMP_NUM_TEAMS
660 static void __kmp_stg_parse_nteams(char const *name, char const *value,
661                                    void *data) {
662   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_nteams);
663   K_DIAG(1, ("__kmp_nteams == %d\n", __kmp_nteams));
664 } // __kmp_stg_parse_nteams
665 
666 static void __kmp_stg_print_nteams(kmp_str_buf_t *buffer, char const *name,
667                                    void *data) {
668   __kmp_stg_print_int(buffer, name, __kmp_nteams);
669 } // __kmp_stg_print_nteams
670 
671 // -----------------------------------------------------------------------------
672 // OMP_TEAMS_THREAD_LIMIT
673 static void __kmp_stg_parse_teams_th_limit(char const *name, char const *value,
674                                            void *data) {
675   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth,
676                       &__kmp_teams_thread_limit);
677   K_DIAG(1, ("__kmp_teams_thread_limit == %d\n", __kmp_teams_thread_limit));
678 } // __kmp_stg_parse_teams_th_limit
679 
680 static void __kmp_stg_print_teams_th_limit(kmp_str_buf_t *buffer,
681                                            char const *name, void *data) {
682   __kmp_stg_print_int(buffer, name, __kmp_teams_thread_limit);
683 } // __kmp_stg_print_teams_th_limit
684 
685 // -----------------------------------------------------------------------------
686 // KMP_TEAMS_THREAD_LIMIT
687 static void __kmp_stg_parse_teams_thread_limit(char const *name,
688                                                char const *value, void *data) {
689   __kmp_stg_parse_int(name, value, 1, __kmp_sys_max_nth, &__kmp_teams_max_nth);
690 } // __kmp_stg_teams_thread_limit
691 
692 static void __kmp_stg_print_teams_thread_limit(kmp_str_buf_t *buffer,
693                                                char const *name, void *data) {
694   __kmp_stg_print_int(buffer, name, __kmp_teams_max_nth);
695 } // __kmp_stg_print_teams_thread_limit
696 
697 // -----------------------------------------------------------------------------
698 // KMP_USE_YIELD
699 static void __kmp_stg_parse_use_yield(char const *name, char const *value,
700                                       void *data) {
701   __kmp_stg_parse_int(name, value, 0, 2, &__kmp_use_yield);
702   __kmp_use_yield_exp_set = 1;
703 } // __kmp_stg_parse_use_yield
704 
705 static void __kmp_stg_print_use_yield(kmp_str_buf_t *buffer, char const *name,
706                                       void *data) {
707   __kmp_stg_print_int(buffer, name, __kmp_use_yield);
708 } // __kmp_stg_print_use_yield
709 
710 // -----------------------------------------------------------------------------
711 // KMP_BLOCKTIME
712 
713 static void __kmp_stg_parse_blocktime(char const *name, char const *value,
714                                       void *data) {
715   __kmp_dflt_blocktime = __kmp_convert_to_milliseconds(value);
716   if (__kmp_dflt_blocktime < 0) {
717     __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
718     __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidValue, name, value),
719               __kmp_msg_null);
720     KMP_INFORM(Using_int_Value, name, __kmp_dflt_blocktime);
721     __kmp_env_blocktime = FALSE; // Revert to default as if var not set.
722   } else {
723     if (__kmp_dflt_blocktime < KMP_MIN_BLOCKTIME) {
724       __kmp_dflt_blocktime = KMP_MIN_BLOCKTIME;
725       __kmp_msg(kmp_ms_warning, KMP_MSG(SmallValue, name, value),
726                 __kmp_msg_null);
727       KMP_INFORM(MinValueUsing, name, __kmp_dflt_blocktime);
728     } else if (__kmp_dflt_blocktime > KMP_MAX_BLOCKTIME) {
729       __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
730       __kmp_msg(kmp_ms_warning, KMP_MSG(LargeValue, name, value),
731                 __kmp_msg_null);
732       KMP_INFORM(MaxValueUsing, name, __kmp_dflt_blocktime);
733     }
734     __kmp_env_blocktime = TRUE; // KMP_BLOCKTIME was specified.
735   }
736 #if KMP_USE_MONITOR
737   // calculate number of monitor thread wakeup intervals corresponding to
738   // blocktime.
739   __kmp_monitor_wakeups =
740       KMP_WAKEUPS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
741   __kmp_bt_intervals =
742       KMP_INTERVALS_FROM_BLOCKTIME(__kmp_dflt_blocktime, __kmp_monitor_wakeups);
743 #endif
744   K_DIAG(1, ("__kmp_env_blocktime == %d\n", __kmp_env_blocktime));
745   if (__kmp_env_blocktime) {
746     K_DIAG(1, ("__kmp_dflt_blocktime == %d\n", __kmp_dflt_blocktime));
747   }
748 } // __kmp_stg_parse_blocktime
749 
750 static void __kmp_stg_print_blocktime(kmp_str_buf_t *buffer, char const *name,
751                                       void *data) {
752   __kmp_stg_print_int(buffer, name, __kmp_dflt_blocktime);
753 } // __kmp_stg_print_blocktime
754 
755 // -----------------------------------------------------------------------------
756 // KMP_DUPLICATE_LIB_OK
757 
758 static void __kmp_stg_parse_duplicate_lib_ok(char const *name,
759                                              char const *value, void *data) {
760   /* actually this variable is not supported, put here for compatibility with
761      earlier builds and for static/dynamic combination */
762   __kmp_stg_parse_bool(name, value, &__kmp_duplicate_library_ok);
763 } // __kmp_stg_parse_duplicate_lib_ok
764 
765 static void __kmp_stg_print_duplicate_lib_ok(kmp_str_buf_t *buffer,
766                                              char const *name, void *data) {
767   __kmp_stg_print_bool(buffer, name, __kmp_duplicate_library_ok);
768 } // __kmp_stg_print_duplicate_lib_ok
769 
770 // -----------------------------------------------------------------------------
771 // KMP_INHERIT_FP_CONTROL
772 
773 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
774 
775 static void __kmp_stg_parse_inherit_fp_control(char const *name,
776                                                char const *value, void *data) {
777   __kmp_stg_parse_bool(name, value, &__kmp_inherit_fp_control);
778 } // __kmp_stg_parse_inherit_fp_control
779 
780 static void __kmp_stg_print_inherit_fp_control(kmp_str_buf_t *buffer,
781                                                char const *name, void *data) {
782 #if KMP_DEBUG
783   __kmp_stg_print_bool(buffer, name, __kmp_inherit_fp_control);
784 #endif /* KMP_DEBUG */
785 } // __kmp_stg_print_inherit_fp_control
786 
787 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
788 
789 // Used for OMP_WAIT_POLICY
790 static char const *blocktime_str = NULL;
791 
792 // -----------------------------------------------------------------------------
793 // KMP_LIBRARY, OMP_WAIT_POLICY
794 
795 static void __kmp_stg_parse_wait_policy(char const *name, char const *value,
796                                         void *data) {
797 
798   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
799   int rc;
800 
801   rc = __kmp_stg_check_rivals(name, value, wait->rivals);
802   if (rc) {
803     return;
804   }
805 
806   if (wait->omp) {
807     if (__kmp_str_match("ACTIVE", 1, value)) {
808       __kmp_library = library_turnaround;
809       if (blocktime_str == NULL) {
810         // KMP_BLOCKTIME not specified, so set default to "infinite".
811         __kmp_dflt_blocktime = KMP_MAX_BLOCKTIME;
812       }
813     } else if (__kmp_str_match("PASSIVE", 1, value)) {
814       __kmp_library = library_throughput;
815       __kmp_wpolicy_passive = true; /* allow sleep while active tasking */
816       if (blocktime_str == NULL) {
817         // KMP_BLOCKTIME not specified, so set default to 0.
818         __kmp_dflt_blocktime = 0;
819       }
820     } else {
821       KMP_WARNING(StgInvalidValue, name, value);
822     }
823   } else {
824     if (__kmp_str_match("serial", 1, value)) { /* S */
825       __kmp_library = library_serial;
826     } else if (__kmp_str_match("throughput", 2, value)) { /* TH */
827       __kmp_library = library_throughput;
828       if (blocktime_str == NULL) {
829         // KMP_BLOCKTIME not specified, so set default to 0.
830         __kmp_dflt_blocktime = 0;
831       }
832     } else if (__kmp_str_match("turnaround", 2, value)) { /* TU */
833       __kmp_library = library_turnaround;
834     } else if (__kmp_str_match("dedicated", 1, value)) { /* D */
835       __kmp_library = library_turnaround;
836     } else if (__kmp_str_match("multiuser", 1, value)) { /* M */
837       __kmp_library = library_throughput;
838       if (blocktime_str == NULL) {
839         // KMP_BLOCKTIME not specified, so set default to 0.
840         __kmp_dflt_blocktime = 0;
841       }
842     } else {
843       KMP_WARNING(StgInvalidValue, name, value);
844     }
845   }
846 } // __kmp_stg_parse_wait_policy
847 
848 static void __kmp_stg_print_wait_policy(kmp_str_buf_t *buffer, char const *name,
849                                         void *data) {
850 
851   kmp_stg_wp_data_t *wait = (kmp_stg_wp_data_t *)data;
852   char const *value = NULL;
853 
854   if (wait->omp) {
855     switch (__kmp_library) {
856     case library_turnaround: {
857       value = "ACTIVE";
858     } break;
859     case library_throughput: {
860       value = "PASSIVE";
861     } break;
862     }
863   } else {
864     switch (__kmp_library) {
865     case library_serial: {
866       value = "serial";
867     } break;
868     case library_turnaround: {
869       value = "turnaround";
870     } break;
871     case library_throughput: {
872       value = "throughput";
873     } break;
874     }
875   }
876   if (value != NULL) {
877     __kmp_stg_print_str(buffer, name, value);
878   }
879 
880 } // __kmp_stg_print_wait_policy
881 
882 #if KMP_USE_MONITOR
883 // -----------------------------------------------------------------------------
884 // KMP_MONITOR_STACKSIZE
885 
886 static void __kmp_stg_parse_monitor_stacksize(char const *name,
887                                               char const *value, void *data) {
888   __kmp_stg_parse_size(name, value, __kmp_sys_min_stksize, KMP_MAX_STKSIZE,
889                        NULL, &__kmp_monitor_stksize, 1);
890 } // __kmp_stg_parse_monitor_stacksize
891 
892 static void __kmp_stg_print_monitor_stacksize(kmp_str_buf_t *buffer,
893                                               char const *name, void *data) {
894   if (__kmp_env_format) {
895     if (__kmp_monitor_stksize > 0)
896       KMP_STR_BUF_PRINT_NAME_EX(name);
897     else
898       KMP_STR_BUF_PRINT_NAME;
899   } else {
900     __kmp_str_buf_print(buffer, "   %s", name);
901   }
902   if (__kmp_monitor_stksize > 0) {
903     __kmp_str_buf_print_size(buffer, __kmp_monitor_stksize);
904   } else {
905     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
906   }
907   if (__kmp_env_format && __kmp_monitor_stksize) {
908     __kmp_str_buf_print(buffer, "'\n");
909   }
910 } // __kmp_stg_print_monitor_stacksize
911 #endif // KMP_USE_MONITOR
912 
913 // -----------------------------------------------------------------------------
914 // KMP_SETTINGS
915 
916 static void __kmp_stg_parse_settings(char const *name, char const *value,
917                                      void *data) {
918   __kmp_stg_parse_bool(name, value, &__kmp_settings);
919 } // __kmp_stg_parse_settings
920 
921 static void __kmp_stg_print_settings(kmp_str_buf_t *buffer, char const *name,
922                                      void *data) {
923   __kmp_stg_print_bool(buffer, name, __kmp_settings);
924 } // __kmp_stg_print_settings
925 
926 // -----------------------------------------------------------------------------
927 // KMP_STACKPAD
928 
929 static void __kmp_stg_parse_stackpad(char const *name, char const *value,
930                                      void *data) {
931   __kmp_stg_parse_int(name, // Env var name
932                       value, // Env var value
933                       KMP_MIN_STKPADDING, // Min value
934                       KMP_MAX_STKPADDING, // Max value
935                       &__kmp_stkpadding // Var to initialize
936   );
937 } // __kmp_stg_parse_stackpad
938 
939 static void __kmp_stg_print_stackpad(kmp_str_buf_t *buffer, char const *name,
940                                      void *data) {
941   __kmp_stg_print_int(buffer, name, __kmp_stkpadding);
942 } // __kmp_stg_print_stackpad
943 
944 // -----------------------------------------------------------------------------
945 // KMP_STACKOFFSET
946 
947 static void __kmp_stg_parse_stackoffset(char const *name, char const *value,
948                                         void *data) {
949   __kmp_stg_parse_size(name, // Env var name
950                        value, // Env var value
951                        KMP_MIN_STKOFFSET, // Min value
952                        KMP_MAX_STKOFFSET, // Max value
953                        NULL, //
954                        &__kmp_stkoffset, // Var to initialize
955                        1);
956 } // __kmp_stg_parse_stackoffset
957 
958 static void __kmp_stg_print_stackoffset(kmp_str_buf_t *buffer, char const *name,
959                                         void *data) {
960   __kmp_stg_print_size(buffer, name, __kmp_stkoffset);
961 } // __kmp_stg_print_stackoffset
962 
963 // -----------------------------------------------------------------------------
964 // KMP_STACKSIZE, OMP_STACKSIZE, GOMP_STACKSIZE
965 
966 static void __kmp_stg_parse_stacksize(char const *name, char const *value,
967                                       void *data) {
968 
969   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
970   int rc;
971 
972   rc = __kmp_stg_check_rivals(name, value, stacksize->rivals);
973   if (rc) {
974     return;
975   }
976   __kmp_stg_parse_size(name, // Env var name
977                        value, // Env var value
978                        __kmp_sys_min_stksize, // Min value
979                        KMP_MAX_STKSIZE, // Max value
980                        &__kmp_env_stksize, //
981                        &__kmp_stksize, // Var to initialize
982                        stacksize->factor);
983 
984 } // __kmp_stg_parse_stacksize
985 
986 // This function is called for printing both KMP_STACKSIZE (factor is 1) and
987 // OMP_STACKSIZE (factor is 1024). Currently it is not possible to print
988 // OMP_STACKSIZE value in bytes. We can consider adding this possibility by a
989 // customer request in future.
990 static void __kmp_stg_print_stacksize(kmp_str_buf_t *buffer, char const *name,
991                                       void *data) {
992   kmp_stg_ss_data_t *stacksize = (kmp_stg_ss_data_t *)data;
993   if (__kmp_env_format) {
994     KMP_STR_BUF_PRINT_NAME_EX(name);
995     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
996                                          ? __kmp_stksize / stacksize->factor
997                                          : __kmp_stksize);
998     __kmp_str_buf_print(buffer, "'\n");
999   } else {
1000     __kmp_str_buf_print(buffer, "   %s=", name);
1001     __kmp_str_buf_print_size(buffer, (__kmp_stksize % 1024)
1002                                          ? __kmp_stksize / stacksize->factor
1003                                          : __kmp_stksize);
1004     __kmp_str_buf_print(buffer, "\n");
1005   }
1006 } // __kmp_stg_print_stacksize
1007 
1008 // -----------------------------------------------------------------------------
1009 // KMP_VERSION
1010 
1011 static void __kmp_stg_parse_version(char const *name, char const *value,
1012                                     void *data) {
1013   __kmp_stg_parse_bool(name, value, &__kmp_version);
1014 } // __kmp_stg_parse_version
1015 
1016 static void __kmp_stg_print_version(kmp_str_buf_t *buffer, char const *name,
1017                                     void *data) {
1018   __kmp_stg_print_bool(buffer, name, __kmp_version);
1019 } // __kmp_stg_print_version
1020 
1021 // -----------------------------------------------------------------------------
1022 // KMP_WARNINGS
1023 
1024 static void __kmp_stg_parse_warnings(char const *name, char const *value,
1025                                      void *data) {
1026   __kmp_stg_parse_bool(name, value, &__kmp_generate_warnings);
1027   if (__kmp_generate_warnings != kmp_warnings_off) {
1028     // AC: only 0/1 values documented, so reset to explicit to distinguish from
1029     // default setting
1030     __kmp_generate_warnings = kmp_warnings_explicit;
1031   }
1032 } // __kmp_stg_parse_warnings
1033 
1034 static void __kmp_stg_print_warnings(kmp_str_buf_t *buffer, char const *name,
1035                                      void *data) {
1036   // AC: TODO: change to print_int? (needs documentation change)
1037   __kmp_stg_print_bool(buffer, name, __kmp_generate_warnings);
1038 } // __kmp_stg_print_warnings
1039 
1040 // -----------------------------------------------------------------------------
1041 // KMP_NESTING_MODE
1042 
1043 static void __kmp_stg_parse_nesting_mode(char const *name, char const *value,
1044                                          void *data) {
1045   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_nesting_mode);
1046 #if KMP_AFFINITY_SUPPORTED && KMP_USE_HWLOC
1047   if (__kmp_nesting_mode > 0)
1048     __kmp_affinity_top_method = affinity_top_method_hwloc;
1049 #endif
1050 } // __kmp_stg_parse_nesting_mode
1051 
1052 static void __kmp_stg_print_nesting_mode(kmp_str_buf_t *buffer,
1053                                          char const *name, void *data) {
1054   if (__kmp_env_format) {
1055     KMP_STR_BUF_PRINT_NAME;
1056   } else {
1057     __kmp_str_buf_print(buffer, "   %s", name);
1058   }
1059   __kmp_str_buf_print(buffer, "=%d\n", __kmp_nesting_mode);
1060 } // __kmp_stg_print_nesting_mode
1061 
1062 // -----------------------------------------------------------------------------
1063 // OMP_NESTED, OMP_NUM_THREADS
1064 
1065 static void __kmp_stg_parse_nested(char const *name, char const *value,
1066                                    void *data) {
1067   int nested;
1068   KMP_INFORM(EnvVarDeprecated, name, "OMP_MAX_ACTIVE_LEVELS");
1069   __kmp_stg_parse_bool(name, value, &nested);
1070   if (nested) {
1071     if (!__kmp_dflt_max_active_levels_set)
1072       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
1073   } else { // nesting explicitly turned off
1074     __kmp_dflt_max_active_levels = 1;
1075     __kmp_dflt_max_active_levels_set = true;
1076   }
1077 } // __kmp_stg_parse_nested
1078 
1079 static void __kmp_stg_print_nested(kmp_str_buf_t *buffer, char const *name,
1080                                    void *data) {
1081   if (__kmp_env_format) {
1082     KMP_STR_BUF_PRINT_NAME;
1083   } else {
1084     __kmp_str_buf_print(buffer, "   %s", name);
1085   }
1086   __kmp_str_buf_print(buffer, ": deprecated; max-active-levels-var=%d\n",
1087                       __kmp_dflt_max_active_levels);
1088 } // __kmp_stg_print_nested
1089 
1090 static void __kmp_parse_nested_num_threads(const char *var, const char *env,
1091                                            kmp_nested_nthreads_t *nth_array) {
1092   const char *next = env;
1093   const char *scan = next;
1094 
1095   int total = 0; // Count elements that were set. It'll be used as an array size
1096   int prev_comma = FALSE; // For correct processing sequential commas
1097 
1098   // Count the number of values in the env. var string
1099   for (;;) {
1100     SKIP_WS(next);
1101 
1102     if (*next == '\0') {
1103       break;
1104     }
1105     // Next character is not an integer or not a comma => end of list
1106     if (((*next < '0') || (*next > '9')) && (*next != ',')) {
1107       KMP_WARNING(NthSyntaxError, var, env);
1108       return;
1109     }
1110     // The next character is ','
1111     if (*next == ',') {
1112       // ',' is the first character
1113       if (total == 0 || prev_comma) {
1114         total++;
1115       }
1116       prev_comma = TRUE;
1117       next++; // skip ','
1118       SKIP_WS(next);
1119     }
1120     // Next character is a digit
1121     if (*next >= '0' && *next <= '9') {
1122       prev_comma = FALSE;
1123       SKIP_DIGITS(next);
1124       total++;
1125       const char *tmp = next;
1126       SKIP_WS(tmp);
1127       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
1128         KMP_WARNING(NthSpacesNotAllowed, var, env);
1129         return;
1130       }
1131     }
1132   }
1133   if (!__kmp_dflt_max_active_levels_set && total > 1)
1134     __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
1135   KMP_DEBUG_ASSERT(total > 0);
1136   if (total <= 0) {
1137     KMP_WARNING(NthSyntaxError, var, env);
1138     return;
1139   }
1140 
1141   // Check if the nested nthreads array exists
1142   if (!nth_array->nth) {
1143     // Allocate an array of double size
1144     nth_array->nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int) * total * 2);
1145     if (nth_array->nth == NULL) {
1146       KMP_FATAL(MemoryAllocFailed);
1147     }
1148     nth_array->size = total * 2;
1149   } else {
1150     if (nth_array->size < total) {
1151       // Increase the array size
1152       do {
1153         nth_array->size *= 2;
1154       } while (nth_array->size < total);
1155 
1156       nth_array->nth = (int *)KMP_INTERNAL_REALLOC(
1157           nth_array->nth, sizeof(int) * nth_array->size);
1158       if (nth_array->nth == NULL) {
1159         KMP_FATAL(MemoryAllocFailed);
1160       }
1161     }
1162   }
1163   nth_array->used = total;
1164   int i = 0;
1165 
1166   prev_comma = FALSE;
1167   total = 0;
1168   // Save values in the array
1169   for (;;) {
1170     SKIP_WS(scan);
1171     if (*scan == '\0') {
1172       break;
1173     }
1174     // The next character is ','
1175     if (*scan == ',') {
1176       // ',' in the beginning of the list
1177       if (total == 0) {
1178         // The value is supposed to be equal to __kmp_avail_proc but it is
1179         // unknown at the moment.
1180         // So let's put a placeholder (#threads = 0) to correct it later.
1181         nth_array->nth[i++] = 0;
1182         total++;
1183       } else if (prev_comma) {
1184         // Num threads is inherited from the previous level
1185         nth_array->nth[i] = nth_array->nth[i - 1];
1186         i++;
1187         total++;
1188       }
1189       prev_comma = TRUE;
1190       scan++; // skip ','
1191       SKIP_WS(scan);
1192     }
1193     // Next character is a digit
1194     if (*scan >= '0' && *scan <= '9') {
1195       int num;
1196       const char *buf = scan;
1197       char const *msg = NULL;
1198       prev_comma = FALSE;
1199       SKIP_DIGITS(scan);
1200       total++;
1201 
1202       num = __kmp_str_to_int(buf, *scan);
1203       if (num < KMP_MIN_NTH) {
1204         msg = KMP_I18N_STR(ValueTooSmall);
1205         num = KMP_MIN_NTH;
1206       } else if (num > __kmp_sys_max_nth) {
1207         msg = KMP_I18N_STR(ValueTooLarge);
1208         num = __kmp_sys_max_nth;
1209       }
1210       if (msg != NULL) {
1211         // Message is not empty. Print warning.
1212         KMP_WARNING(ParseSizeIntWarn, var, env, msg);
1213         KMP_INFORM(Using_int_Value, var, num);
1214       }
1215       nth_array->nth[i++] = num;
1216     }
1217   }
1218 }
1219 
1220 static void __kmp_stg_parse_num_threads(char const *name, char const *value,
1221                                         void *data) {
1222   // TODO: Remove this option. OMP_NUM_THREADS is a list of positive integers!
1223   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
1224     // The array of 1 element
1225     __kmp_nested_nth.nth = (int *)KMP_INTERNAL_MALLOC(sizeof(int));
1226     __kmp_nested_nth.size = __kmp_nested_nth.used = 1;
1227     __kmp_nested_nth.nth[0] = __kmp_dflt_team_nth = __kmp_dflt_team_nth_ub =
1228         __kmp_xproc;
1229   } else {
1230     __kmp_parse_nested_num_threads(name, value, &__kmp_nested_nth);
1231     if (__kmp_nested_nth.nth) {
1232       __kmp_dflt_team_nth = __kmp_nested_nth.nth[0];
1233       if (__kmp_dflt_team_nth_ub < __kmp_dflt_team_nth) {
1234         __kmp_dflt_team_nth_ub = __kmp_dflt_team_nth;
1235       }
1236     }
1237   }
1238   K_DIAG(1, ("__kmp_dflt_team_nth == %d\n", __kmp_dflt_team_nth));
1239 } // __kmp_stg_parse_num_threads
1240 
1241 static void __kmp_stg_parse_num_hidden_helper_threads(char const *name,
1242                                                       char const *value,
1243                                                       void *data) {
1244   __kmp_stg_parse_int(name, value, 0, 16, &__kmp_hidden_helper_threads_num);
1245   // If the number of hidden helper threads is zero, we disable hidden helper
1246   // task
1247   if (__kmp_hidden_helper_threads_num == 0) {
1248     __kmp_enable_hidden_helper = FALSE;
1249   } else {
1250     // Since the main thread of hidden helper team dooes not participate
1251     // in tasks execution let's increment the number of threads by one
1252     // so that requested number of threads do actual job.
1253     __kmp_hidden_helper_threads_num++;
1254   }
1255 } // __kmp_stg_parse_num_hidden_helper_threads
1256 
1257 static void __kmp_stg_print_num_hidden_helper_threads(kmp_str_buf_t *buffer,
1258                                                       char const *name,
1259                                                       void *data) {
1260   if (__kmp_hidden_helper_threads_num == 0) {
1261     __kmp_stg_print_int(buffer, name, __kmp_hidden_helper_threads_num);
1262   } else {
1263     KMP_DEBUG_ASSERT(__kmp_hidden_helper_threads_num > 1);
1264     // Let's exclude the main thread of hidden helper team and print
1265     // number of worker threads those do actual job.
1266     __kmp_stg_print_int(buffer, name, __kmp_hidden_helper_threads_num - 1);
1267   }
1268 } // __kmp_stg_print_num_hidden_helper_threads
1269 
1270 static void __kmp_stg_parse_use_hidden_helper(char const *name,
1271                                               char const *value, void *data) {
1272   __kmp_stg_parse_bool(name, value, &__kmp_enable_hidden_helper);
1273 #if !KMP_OS_LINUX
1274   __kmp_enable_hidden_helper = FALSE;
1275   K_DIAG(1,
1276          ("__kmp_stg_parse_use_hidden_helper: Disable hidden helper task on "
1277           "non-Linux platform although it is enabled by user explicitly.\n"));
1278 #endif
1279 } // __kmp_stg_parse_use_hidden_helper
1280 
1281 static void __kmp_stg_print_use_hidden_helper(kmp_str_buf_t *buffer,
1282                                               char const *name, void *data) {
1283   __kmp_stg_print_bool(buffer, name, __kmp_enable_hidden_helper);
1284 } // __kmp_stg_print_use_hidden_helper
1285 
1286 static void __kmp_stg_print_num_threads(kmp_str_buf_t *buffer, char const *name,
1287                                         void *data) {
1288   if (__kmp_env_format) {
1289     KMP_STR_BUF_PRINT_NAME;
1290   } else {
1291     __kmp_str_buf_print(buffer, "   %s", name);
1292   }
1293   if (__kmp_nested_nth.used) {
1294     kmp_str_buf_t buf;
1295     __kmp_str_buf_init(&buf);
1296     for (int i = 0; i < __kmp_nested_nth.used; i++) {
1297       __kmp_str_buf_print(&buf, "%d", __kmp_nested_nth.nth[i]);
1298       if (i < __kmp_nested_nth.used - 1) {
1299         __kmp_str_buf_print(&buf, ",");
1300       }
1301     }
1302     __kmp_str_buf_print(buffer, "='%s'\n", buf.str);
1303     __kmp_str_buf_free(&buf);
1304   } else {
1305     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1306   }
1307 } // __kmp_stg_print_num_threads
1308 
1309 // -----------------------------------------------------------------------------
1310 // OpenMP 3.0: KMP_TASKING, OMP_MAX_ACTIVE_LEVELS,
1311 
1312 static void __kmp_stg_parse_tasking(char const *name, char const *value,
1313                                     void *data) {
1314   __kmp_stg_parse_int(name, value, 0, (int)tskm_max,
1315                       (int *)&__kmp_tasking_mode);
1316 } // __kmp_stg_parse_tasking
1317 
1318 static void __kmp_stg_print_tasking(kmp_str_buf_t *buffer, char const *name,
1319                                     void *data) {
1320   __kmp_stg_print_int(buffer, name, __kmp_tasking_mode);
1321 } // __kmp_stg_print_tasking
1322 
1323 static void __kmp_stg_parse_task_stealing(char const *name, char const *value,
1324                                           void *data) {
1325   __kmp_stg_parse_int(name, value, 0, 1,
1326                       (int *)&__kmp_task_stealing_constraint);
1327 } // __kmp_stg_parse_task_stealing
1328 
1329 static void __kmp_stg_print_task_stealing(kmp_str_buf_t *buffer,
1330                                           char const *name, void *data) {
1331   __kmp_stg_print_int(buffer, name, __kmp_task_stealing_constraint);
1332 } // __kmp_stg_print_task_stealing
1333 
1334 static void __kmp_stg_parse_max_active_levels(char const *name,
1335                                               char const *value, void *data) {
1336   kmp_uint64 tmp_dflt = 0;
1337   char const *msg = NULL;
1338   if (!__kmp_dflt_max_active_levels_set) {
1339     // Don't overwrite __kmp_dflt_max_active_levels if we get an invalid setting
1340     __kmp_str_to_uint(value, &tmp_dflt, &msg);
1341     if (msg != NULL) { // invalid setting; print warning and ignore
1342       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1343     } else if (tmp_dflt > KMP_MAX_ACTIVE_LEVELS_LIMIT) {
1344       // invalid setting; print warning and ignore
1345       msg = KMP_I18N_STR(ValueTooLarge);
1346       KMP_WARNING(ParseSizeIntWarn, name, value, msg);
1347     } else { // valid setting
1348       __kmp_type_convert(tmp_dflt, &(__kmp_dflt_max_active_levels));
1349       __kmp_dflt_max_active_levels_set = true;
1350     }
1351   }
1352 } // __kmp_stg_parse_max_active_levels
1353 
1354 static void __kmp_stg_print_max_active_levels(kmp_str_buf_t *buffer,
1355                                               char const *name, void *data) {
1356   __kmp_stg_print_int(buffer, name, __kmp_dflt_max_active_levels);
1357 } // __kmp_stg_print_max_active_levels
1358 
1359 // -----------------------------------------------------------------------------
1360 // OpenMP 4.0: OMP_DEFAULT_DEVICE
1361 static void __kmp_stg_parse_default_device(char const *name, char const *value,
1362                                            void *data) {
1363   __kmp_stg_parse_int(name, value, 0, KMP_MAX_DEFAULT_DEVICE_LIMIT,
1364                       &__kmp_default_device);
1365 } // __kmp_stg_parse_default_device
1366 
1367 static void __kmp_stg_print_default_device(kmp_str_buf_t *buffer,
1368                                            char const *name, void *data) {
1369   __kmp_stg_print_int(buffer, name, __kmp_default_device);
1370 } // __kmp_stg_print_default_device
1371 
1372 // -----------------------------------------------------------------------------
1373 // OpenMP 5.0: OMP_TARGET_OFFLOAD
1374 static void __kmp_stg_parse_target_offload(char const *name, char const *value,
1375                                            void *data) {
1376   const char *next = value;
1377   const char *scan = next;
1378 
1379   __kmp_target_offload = tgt_default;
1380   SKIP_WS(next);
1381   if (*next == '\0')
1382     return;
1383   scan = next;
1384   if (!__kmp_strcasecmp_with_sentinel("mandatory", scan, 0)) {
1385     __kmp_target_offload = tgt_mandatory;
1386   } else if (!__kmp_strcasecmp_with_sentinel("disabled", scan, 0)) {
1387     __kmp_target_offload = tgt_disabled;
1388   } else if (!__kmp_strcasecmp_with_sentinel("default", scan, 0)) {
1389     __kmp_target_offload = tgt_default;
1390   } else {
1391     KMP_WARNING(SyntaxErrorUsing, name, "DEFAULT");
1392   }
1393 
1394 } // __kmp_stg_parse_target_offload
1395 
1396 static void __kmp_stg_print_target_offload(kmp_str_buf_t *buffer,
1397                                            char const *name, void *data) {
1398   const char *value = NULL;
1399   if (__kmp_target_offload == tgt_default)
1400     value = "DEFAULT";
1401   else if (__kmp_target_offload == tgt_mandatory)
1402     value = "MANDATORY";
1403   else if (__kmp_target_offload == tgt_disabled)
1404     value = "DISABLED";
1405   KMP_DEBUG_ASSERT(value);
1406   if (__kmp_env_format) {
1407     KMP_STR_BUF_PRINT_NAME;
1408   } else {
1409     __kmp_str_buf_print(buffer, "   %s", name);
1410   }
1411   __kmp_str_buf_print(buffer, "=%s\n", value);
1412 } // __kmp_stg_print_target_offload
1413 
1414 // -----------------------------------------------------------------------------
1415 // OpenMP 4.5: OMP_MAX_TASK_PRIORITY
1416 static void __kmp_stg_parse_max_task_priority(char const *name,
1417                                               char const *value, void *data) {
1418   __kmp_stg_parse_int(name, value, 0, KMP_MAX_TASK_PRIORITY_LIMIT,
1419                       &__kmp_max_task_priority);
1420 } // __kmp_stg_parse_max_task_priority
1421 
1422 static void __kmp_stg_print_max_task_priority(kmp_str_buf_t *buffer,
1423                                               char const *name, void *data) {
1424   __kmp_stg_print_int(buffer, name, __kmp_max_task_priority);
1425 } // __kmp_stg_print_max_task_priority
1426 
1427 // KMP_TASKLOOP_MIN_TASKS
1428 // taskloop threshold to switch from recursive to linear tasks creation
1429 static void __kmp_stg_parse_taskloop_min_tasks(char const *name,
1430                                                char const *value, void *data) {
1431   int tmp;
1432   __kmp_stg_parse_int(name, value, 0, INT_MAX, &tmp);
1433   __kmp_taskloop_min_tasks = tmp;
1434 } // __kmp_stg_parse_taskloop_min_tasks
1435 
1436 static void __kmp_stg_print_taskloop_min_tasks(kmp_str_buf_t *buffer,
1437                                                char const *name, void *data) {
1438   __kmp_stg_print_uint64(buffer, name, __kmp_taskloop_min_tasks);
1439 } // __kmp_stg_print_taskloop_min_tasks
1440 
1441 // -----------------------------------------------------------------------------
1442 // KMP_DISP_NUM_BUFFERS
1443 static void __kmp_stg_parse_disp_buffers(char const *name, char const *value,
1444                                          void *data) {
1445   if (TCR_4(__kmp_init_serial)) {
1446     KMP_WARNING(EnvSerialWarn, name);
1447     return;
1448   } // read value before serial initialization only
1449   __kmp_stg_parse_int(name, value, KMP_MIN_DISP_NUM_BUFF, KMP_MAX_DISP_NUM_BUFF,
1450                       &__kmp_dispatch_num_buffers);
1451 } // __kmp_stg_parse_disp_buffers
1452 
1453 static void __kmp_stg_print_disp_buffers(kmp_str_buf_t *buffer,
1454                                          char const *name, void *data) {
1455   __kmp_stg_print_int(buffer, name, __kmp_dispatch_num_buffers);
1456 } // __kmp_stg_print_disp_buffers
1457 
1458 #if KMP_NESTED_HOT_TEAMS
1459 // -----------------------------------------------------------------------------
1460 // KMP_HOT_TEAMS_MAX_LEVEL, KMP_HOT_TEAMS_MODE
1461 
1462 static void __kmp_stg_parse_hot_teams_level(char const *name, char const *value,
1463                                             void *data) {
1464   if (TCR_4(__kmp_init_parallel)) {
1465     KMP_WARNING(EnvParallelWarn, name);
1466     return;
1467   } // read value before first parallel only
1468   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1469                       &__kmp_hot_teams_max_level);
1470 } // __kmp_stg_parse_hot_teams_level
1471 
1472 static void __kmp_stg_print_hot_teams_level(kmp_str_buf_t *buffer,
1473                                             char const *name, void *data) {
1474   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_max_level);
1475 } // __kmp_stg_print_hot_teams_level
1476 
1477 static void __kmp_stg_parse_hot_teams_mode(char const *name, char const *value,
1478                                            void *data) {
1479   if (TCR_4(__kmp_init_parallel)) {
1480     KMP_WARNING(EnvParallelWarn, name);
1481     return;
1482   } // read value before first parallel only
1483   __kmp_stg_parse_int(name, value, 0, KMP_MAX_ACTIVE_LEVELS_LIMIT,
1484                       &__kmp_hot_teams_mode);
1485 } // __kmp_stg_parse_hot_teams_mode
1486 
1487 static void __kmp_stg_print_hot_teams_mode(kmp_str_buf_t *buffer,
1488                                            char const *name, void *data) {
1489   __kmp_stg_print_int(buffer, name, __kmp_hot_teams_mode);
1490 } // __kmp_stg_print_hot_teams_mode
1491 
1492 #endif // KMP_NESTED_HOT_TEAMS
1493 
1494 // -----------------------------------------------------------------------------
1495 // KMP_HANDLE_SIGNALS
1496 
1497 #if KMP_HANDLE_SIGNALS
1498 
1499 static void __kmp_stg_parse_handle_signals(char const *name, char const *value,
1500                                            void *data) {
1501   __kmp_stg_parse_bool(name, value, &__kmp_handle_signals);
1502 } // __kmp_stg_parse_handle_signals
1503 
1504 static void __kmp_stg_print_handle_signals(kmp_str_buf_t *buffer,
1505                                            char const *name, void *data) {
1506   __kmp_stg_print_bool(buffer, name, __kmp_handle_signals);
1507 } // __kmp_stg_print_handle_signals
1508 
1509 #endif // KMP_HANDLE_SIGNALS
1510 
1511 // -----------------------------------------------------------------------------
1512 // KMP_X_DEBUG, KMP_DEBUG, KMP_DEBUG_BUF_*, KMP_DIAG
1513 
1514 #ifdef KMP_DEBUG
1515 
1516 #define KMP_STG_X_DEBUG(x)                                                     \
1517   static void __kmp_stg_parse_##x##_debug(char const *name, char const *value, \
1518                                           void *data) {                        \
1519     __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_##x##_debug);            \
1520   } /* __kmp_stg_parse_x_debug */                                              \
1521   static void __kmp_stg_print_##x##_debug(kmp_str_buf_t *buffer,               \
1522                                           char const *name, void *data) {      \
1523     __kmp_stg_print_int(buffer, name, kmp_##x##_debug);                        \
1524   } /* __kmp_stg_print_x_debug */
1525 
1526 KMP_STG_X_DEBUG(a)
1527 KMP_STG_X_DEBUG(b)
1528 KMP_STG_X_DEBUG(c)
1529 KMP_STG_X_DEBUG(d)
1530 KMP_STG_X_DEBUG(e)
1531 KMP_STG_X_DEBUG(f)
1532 
1533 #undef KMP_STG_X_DEBUG
1534 
1535 static void __kmp_stg_parse_debug(char const *name, char const *value,
1536                                   void *data) {
1537   int debug = 0;
1538   __kmp_stg_parse_int(name, value, 0, INT_MAX, &debug);
1539   if (kmp_a_debug < debug) {
1540     kmp_a_debug = debug;
1541   }
1542   if (kmp_b_debug < debug) {
1543     kmp_b_debug = debug;
1544   }
1545   if (kmp_c_debug < debug) {
1546     kmp_c_debug = debug;
1547   }
1548   if (kmp_d_debug < debug) {
1549     kmp_d_debug = debug;
1550   }
1551   if (kmp_e_debug < debug) {
1552     kmp_e_debug = debug;
1553   }
1554   if (kmp_f_debug < debug) {
1555     kmp_f_debug = debug;
1556   }
1557 } // __kmp_stg_parse_debug
1558 
1559 static void __kmp_stg_parse_debug_buf(char const *name, char const *value,
1560                                       void *data) {
1561   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf);
1562   // !!! TODO: Move buffer initialization of of this file! It may works
1563   // incorrectly if KMP_DEBUG_BUF is parsed before KMP_DEBUG_BUF_LINES or
1564   // KMP_DEBUG_BUF_CHARS.
1565   if (__kmp_debug_buf) {
1566     int i;
1567     int elements = __kmp_debug_buf_lines * __kmp_debug_buf_chars;
1568 
1569     /* allocate and initialize all entries in debug buffer to empty */
1570     __kmp_debug_buffer = (char *)__kmp_page_allocate(elements * sizeof(char));
1571     for (i = 0; i < elements; i += __kmp_debug_buf_chars)
1572       __kmp_debug_buffer[i] = '\0';
1573 
1574     __kmp_debug_count = 0;
1575   }
1576   K_DIAG(1, ("__kmp_debug_buf = %d\n", __kmp_debug_buf));
1577 } // __kmp_stg_parse_debug_buf
1578 
1579 static void __kmp_stg_print_debug_buf(kmp_str_buf_t *buffer, char const *name,
1580                                       void *data) {
1581   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf);
1582 } // __kmp_stg_print_debug_buf
1583 
1584 static void __kmp_stg_parse_debug_buf_atomic(char const *name,
1585                                              char const *value, void *data) {
1586   __kmp_stg_parse_bool(name, value, &__kmp_debug_buf_atomic);
1587 } // __kmp_stg_parse_debug_buf_atomic
1588 
1589 static void __kmp_stg_print_debug_buf_atomic(kmp_str_buf_t *buffer,
1590                                              char const *name, void *data) {
1591   __kmp_stg_print_bool(buffer, name, __kmp_debug_buf_atomic);
1592 } // __kmp_stg_print_debug_buf_atomic
1593 
1594 static void __kmp_stg_parse_debug_buf_chars(char const *name, char const *value,
1595                                             void *data) {
1596   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_CHARS_MIN, INT_MAX,
1597                       &__kmp_debug_buf_chars);
1598 } // __kmp_stg_debug_parse_buf_chars
1599 
1600 static void __kmp_stg_print_debug_buf_chars(kmp_str_buf_t *buffer,
1601                                             char const *name, void *data) {
1602   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_chars);
1603 } // __kmp_stg_print_debug_buf_chars
1604 
1605 static void __kmp_stg_parse_debug_buf_lines(char const *name, char const *value,
1606                                             void *data) {
1607   __kmp_stg_parse_int(name, value, KMP_DEBUG_BUF_LINES_MIN, INT_MAX,
1608                       &__kmp_debug_buf_lines);
1609 } // __kmp_stg_parse_debug_buf_lines
1610 
1611 static void __kmp_stg_print_debug_buf_lines(kmp_str_buf_t *buffer,
1612                                             char const *name, void *data) {
1613   __kmp_stg_print_int(buffer, name, __kmp_debug_buf_lines);
1614 } // __kmp_stg_print_debug_buf_lines
1615 
1616 static void __kmp_stg_parse_diag(char const *name, char const *value,
1617                                  void *data) {
1618   __kmp_stg_parse_int(name, value, 0, INT_MAX, &kmp_diag);
1619 } // __kmp_stg_parse_diag
1620 
1621 static void __kmp_stg_print_diag(kmp_str_buf_t *buffer, char const *name,
1622                                  void *data) {
1623   __kmp_stg_print_int(buffer, name, kmp_diag);
1624 } // __kmp_stg_print_diag
1625 
1626 #endif // KMP_DEBUG
1627 
1628 // -----------------------------------------------------------------------------
1629 // KMP_ALIGN_ALLOC
1630 
1631 static void __kmp_stg_parse_align_alloc(char const *name, char const *value,
1632                                         void *data) {
1633   __kmp_stg_parse_size(name, value, CACHE_LINE, INT_MAX, NULL,
1634                        &__kmp_align_alloc, 1);
1635 } // __kmp_stg_parse_align_alloc
1636 
1637 static void __kmp_stg_print_align_alloc(kmp_str_buf_t *buffer, char const *name,
1638                                         void *data) {
1639   __kmp_stg_print_size(buffer, name, __kmp_align_alloc);
1640 } // __kmp_stg_print_align_alloc
1641 
1642 // -----------------------------------------------------------------------------
1643 // KMP_PLAIN_BARRIER, KMP_FORKJOIN_BARRIER, KMP_REDUCTION_BARRIER
1644 
1645 // TODO: Remove __kmp_barrier_branch_bit_env_name varibale, remove loops from
1646 // parse and print functions, pass required info through data argument.
1647 
1648 static void __kmp_stg_parse_barrier_branch_bit(char const *name,
1649                                                char const *value, void *data) {
1650   const char *var;
1651 
1652   /* ---------- Barrier branch bit control ------------ */
1653   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1654     var = __kmp_barrier_branch_bit_env_name[i];
1655     if ((strcmp(var, name) == 0) && (value != 0)) {
1656       char *comma;
1657 
1658       comma = CCAST(char *, strchr(value, ','));
1659       __kmp_barrier_gather_branch_bits[i] =
1660           (kmp_uint32)__kmp_str_to_int(value, ',');
1661       /* is there a specified release parameter? */
1662       if (comma == NULL) {
1663         __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1664       } else {
1665         __kmp_barrier_release_branch_bits[i] =
1666             (kmp_uint32)__kmp_str_to_int(comma + 1, 0);
1667 
1668         if (__kmp_barrier_release_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1669           __kmp_msg(kmp_ms_warning,
1670                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1671                     __kmp_msg_null);
1672           __kmp_barrier_release_branch_bits[i] = __kmp_barrier_release_bb_dflt;
1673         }
1674       }
1675       if (__kmp_barrier_gather_branch_bits[i] > KMP_MAX_BRANCH_BITS) {
1676         KMP_WARNING(BarrGatherValueInvalid, name, value);
1677         KMP_INFORM(Using_uint_Value, name, __kmp_barrier_gather_bb_dflt);
1678         __kmp_barrier_gather_branch_bits[i] = __kmp_barrier_gather_bb_dflt;
1679       }
1680     }
1681     K_DIAG(1, ("%s == %d,%d\n", __kmp_barrier_branch_bit_env_name[i],
1682                __kmp_barrier_gather_branch_bits[i],
1683                __kmp_barrier_release_branch_bits[i]))
1684   }
1685 } // __kmp_stg_parse_barrier_branch_bit
1686 
1687 static void __kmp_stg_print_barrier_branch_bit(kmp_str_buf_t *buffer,
1688                                                char const *name, void *data) {
1689   const char *var;
1690   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1691     var = __kmp_barrier_branch_bit_env_name[i];
1692     if (strcmp(var, name) == 0) {
1693       if (__kmp_env_format) {
1694         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_branch_bit_env_name[i]);
1695       } else {
1696         __kmp_str_buf_print(buffer, "   %s='",
1697                             __kmp_barrier_branch_bit_env_name[i]);
1698       }
1699       __kmp_str_buf_print(buffer, "%d,%d'\n",
1700                           __kmp_barrier_gather_branch_bits[i],
1701                           __kmp_barrier_release_branch_bits[i]);
1702     }
1703   }
1704 } // __kmp_stg_print_barrier_branch_bit
1705 
1706 // ----------------------------------------------------------------------------
1707 // KMP_PLAIN_BARRIER_PATTERN, KMP_FORKJOIN_BARRIER_PATTERN,
1708 // KMP_REDUCTION_BARRIER_PATTERN
1709 
1710 // TODO: Remove __kmp_barrier_pattern_name variable, remove loops from parse and
1711 // print functions, pass required data to functions through data argument.
1712 
1713 static void __kmp_stg_parse_barrier_pattern(char const *name, char const *value,
1714                                             void *data) {
1715   const char *var;
1716   /* ---------- Barrier method control ------------ */
1717 
1718   static int dist_req = 0, non_dist_req = 0;
1719   static bool warn = 1;
1720   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1721     var = __kmp_barrier_pattern_env_name[i];
1722 
1723     if ((strcmp(var, name) == 0) && (value != 0)) {
1724       int j;
1725       char *comma = CCAST(char *, strchr(value, ','));
1726 
1727       /* handle first parameter: gather pattern */
1728       for (j = bp_linear_bar; j < bp_last_bar; j++) {
1729         if (__kmp_match_with_sentinel(__kmp_barrier_pattern_name[j], value, 1,
1730                                       ',')) {
1731           if (j == bp_dist_bar) {
1732             dist_req++;
1733           } else {
1734             non_dist_req++;
1735           }
1736           __kmp_barrier_gather_pattern[i] = (kmp_bar_pat_e)j;
1737           break;
1738         }
1739       }
1740       if (j == bp_last_bar) {
1741         KMP_WARNING(BarrGatherValueInvalid, name, value);
1742         KMP_INFORM(Using_str_Value, name,
1743                    __kmp_barrier_pattern_name[bp_linear_bar]);
1744       }
1745 
1746       /* handle second parameter: release pattern */
1747       if (comma != NULL) {
1748         for (j = bp_linear_bar; j < bp_last_bar; j++) {
1749           if (__kmp_str_match(__kmp_barrier_pattern_name[j], 1, comma + 1)) {
1750             if (j == bp_dist_bar) {
1751               dist_req++;
1752             } else {
1753               non_dist_req++;
1754             }
1755             __kmp_barrier_release_pattern[i] = (kmp_bar_pat_e)j;
1756             break;
1757           }
1758         }
1759         if (j == bp_last_bar) {
1760           __kmp_msg(kmp_ms_warning,
1761                     KMP_MSG(BarrReleaseValueInvalid, name, comma + 1),
1762                     __kmp_msg_null);
1763           KMP_INFORM(Using_str_Value, name,
1764                      __kmp_barrier_pattern_name[bp_linear_bar]);
1765         }
1766       }
1767     }
1768   }
1769   if (dist_req != 0) {
1770     // set all barriers to dist
1771     if ((non_dist_req != 0) && warn) {
1772       KMP_INFORM(BarrierPatternOverride, name,
1773                  __kmp_barrier_pattern_name[bp_dist_bar]);
1774       warn = 0;
1775     }
1776     for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1777       if (__kmp_barrier_release_pattern[i] != bp_dist_bar)
1778         __kmp_barrier_release_pattern[i] = bp_dist_bar;
1779       if (__kmp_barrier_gather_pattern[i] != bp_dist_bar)
1780         __kmp_barrier_gather_pattern[i] = bp_dist_bar;
1781     }
1782   }
1783 } // __kmp_stg_parse_barrier_pattern
1784 
1785 static void __kmp_stg_print_barrier_pattern(kmp_str_buf_t *buffer,
1786                                             char const *name, void *data) {
1787   const char *var;
1788   for (int i = bs_plain_barrier; i < bs_last_barrier; i++) {
1789     var = __kmp_barrier_pattern_env_name[i];
1790     if (strcmp(var, name) == 0) {
1791       int j = __kmp_barrier_gather_pattern[i];
1792       int k = __kmp_barrier_release_pattern[i];
1793       if (__kmp_env_format) {
1794         KMP_STR_BUF_PRINT_NAME_EX(__kmp_barrier_pattern_env_name[i]);
1795       } else {
1796         __kmp_str_buf_print(buffer, "   %s='",
1797                             __kmp_barrier_pattern_env_name[i]);
1798       }
1799       KMP_DEBUG_ASSERT(j < bp_last_bar && k < bp_last_bar);
1800       __kmp_str_buf_print(buffer, "%s,%s'\n", __kmp_barrier_pattern_name[j],
1801                           __kmp_barrier_pattern_name[k]);
1802     }
1803   }
1804 } // __kmp_stg_print_barrier_pattern
1805 
1806 // -----------------------------------------------------------------------------
1807 // KMP_ABORT_DELAY
1808 
1809 static void __kmp_stg_parse_abort_delay(char const *name, char const *value,
1810                                         void *data) {
1811   // Units of KMP_DELAY_ABORT are seconds, units of __kmp_abort_delay is
1812   // milliseconds.
1813   int delay = __kmp_abort_delay / 1000;
1814   __kmp_stg_parse_int(name, value, 0, INT_MAX / 1000, &delay);
1815   __kmp_abort_delay = delay * 1000;
1816 } // __kmp_stg_parse_abort_delay
1817 
1818 static void __kmp_stg_print_abort_delay(kmp_str_buf_t *buffer, char const *name,
1819                                         void *data) {
1820   __kmp_stg_print_int(buffer, name, __kmp_abort_delay);
1821 } // __kmp_stg_print_abort_delay
1822 
1823 // -----------------------------------------------------------------------------
1824 // KMP_CPUINFO_FILE
1825 
1826 static void __kmp_stg_parse_cpuinfo_file(char const *name, char const *value,
1827                                          void *data) {
1828 #if KMP_AFFINITY_SUPPORTED
1829   __kmp_stg_parse_str(name, value, &__kmp_cpuinfo_file);
1830   K_DIAG(1, ("__kmp_cpuinfo_file == %s\n", __kmp_cpuinfo_file));
1831 #endif
1832 } //__kmp_stg_parse_cpuinfo_file
1833 
1834 static void __kmp_stg_print_cpuinfo_file(kmp_str_buf_t *buffer,
1835                                          char const *name, void *data) {
1836 #if KMP_AFFINITY_SUPPORTED
1837   if (__kmp_env_format) {
1838     KMP_STR_BUF_PRINT_NAME;
1839   } else {
1840     __kmp_str_buf_print(buffer, "   %s", name);
1841   }
1842   if (__kmp_cpuinfo_file) {
1843     __kmp_str_buf_print(buffer, "='%s'\n", __kmp_cpuinfo_file);
1844   } else {
1845     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1846   }
1847 #endif
1848 } //__kmp_stg_print_cpuinfo_file
1849 
1850 // -----------------------------------------------------------------------------
1851 // KMP_FORCE_REDUCTION, KMP_DETERMINISTIC_REDUCTION
1852 
1853 static void __kmp_stg_parse_force_reduction(char const *name, char const *value,
1854                                             void *data) {
1855   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1856   int rc;
1857 
1858   rc = __kmp_stg_check_rivals(name, value, reduction->rivals);
1859   if (rc) {
1860     return;
1861   }
1862   if (reduction->force) {
1863     if (value != 0) {
1864       if (__kmp_str_match("critical", 0, value))
1865         __kmp_force_reduction_method = critical_reduce_block;
1866       else if (__kmp_str_match("atomic", 0, value))
1867         __kmp_force_reduction_method = atomic_reduce_block;
1868       else if (__kmp_str_match("tree", 0, value))
1869         __kmp_force_reduction_method = tree_reduce_block;
1870       else {
1871         KMP_FATAL(UnknownForceReduction, name, value);
1872       }
1873     }
1874   } else {
1875     __kmp_stg_parse_bool(name, value, &__kmp_determ_red);
1876     if (__kmp_determ_red) {
1877       __kmp_force_reduction_method = tree_reduce_block;
1878     } else {
1879       __kmp_force_reduction_method = reduction_method_not_defined;
1880     }
1881   }
1882   K_DIAG(1, ("__kmp_force_reduction_method == %d\n",
1883              __kmp_force_reduction_method));
1884 } // __kmp_stg_parse_force_reduction
1885 
1886 static void __kmp_stg_print_force_reduction(kmp_str_buf_t *buffer,
1887                                             char const *name, void *data) {
1888 
1889   kmp_stg_fr_data_t *reduction = (kmp_stg_fr_data_t *)data;
1890   if (reduction->force) {
1891     if (__kmp_force_reduction_method == critical_reduce_block) {
1892       __kmp_stg_print_str(buffer, name, "critical");
1893     } else if (__kmp_force_reduction_method == atomic_reduce_block) {
1894       __kmp_stg_print_str(buffer, name, "atomic");
1895     } else if (__kmp_force_reduction_method == tree_reduce_block) {
1896       __kmp_stg_print_str(buffer, name, "tree");
1897     } else {
1898       if (__kmp_env_format) {
1899         KMP_STR_BUF_PRINT_NAME;
1900       } else {
1901         __kmp_str_buf_print(buffer, "   %s", name);
1902       }
1903       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
1904     }
1905   } else {
1906     __kmp_stg_print_bool(buffer, name, __kmp_determ_red);
1907   }
1908 
1909 } // __kmp_stg_print_force_reduction
1910 
1911 // -----------------------------------------------------------------------------
1912 // KMP_STORAGE_MAP
1913 
1914 static void __kmp_stg_parse_storage_map(char const *name, char const *value,
1915                                         void *data) {
1916   if (__kmp_str_match("verbose", 1, value)) {
1917     __kmp_storage_map = TRUE;
1918     __kmp_storage_map_verbose = TRUE;
1919     __kmp_storage_map_verbose_specified = TRUE;
1920 
1921   } else {
1922     __kmp_storage_map_verbose = FALSE;
1923     __kmp_stg_parse_bool(name, value, &__kmp_storage_map); // !!!
1924   }
1925 } // __kmp_stg_parse_storage_map
1926 
1927 static void __kmp_stg_print_storage_map(kmp_str_buf_t *buffer, char const *name,
1928                                         void *data) {
1929   if (__kmp_storage_map_verbose || __kmp_storage_map_verbose_specified) {
1930     __kmp_stg_print_str(buffer, name, "verbose");
1931   } else {
1932     __kmp_stg_print_bool(buffer, name, __kmp_storage_map);
1933   }
1934 } // __kmp_stg_print_storage_map
1935 
1936 // -----------------------------------------------------------------------------
1937 // KMP_ALL_THREADPRIVATE
1938 
1939 static void __kmp_stg_parse_all_threadprivate(char const *name,
1940                                               char const *value, void *data) {
1941   __kmp_stg_parse_int(name, value,
1942                       __kmp_allThreadsSpecified ? __kmp_max_nth : 1,
1943                       __kmp_max_nth, &__kmp_tp_capacity);
1944 } // __kmp_stg_parse_all_threadprivate
1945 
1946 static void __kmp_stg_print_all_threadprivate(kmp_str_buf_t *buffer,
1947                                               char const *name, void *data) {
1948   __kmp_stg_print_int(buffer, name, __kmp_tp_capacity);
1949 }
1950 
1951 // -----------------------------------------------------------------------------
1952 // KMP_FOREIGN_THREADS_THREADPRIVATE
1953 
1954 static void __kmp_stg_parse_foreign_threads_threadprivate(char const *name,
1955                                                           char const *value,
1956                                                           void *data) {
1957   __kmp_stg_parse_bool(name, value, &__kmp_foreign_tp);
1958 } // __kmp_stg_parse_foreign_threads_threadprivate
1959 
1960 static void __kmp_stg_print_foreign_threads_threadprivate(kmp_str_buf_t *buffer,
1961                                                           char const *name,
1962                                                           void *data) {
1963   __kmp_stg_print_bool(buffer, name, __kmp_foreign_tp);
1964 } // __kmp_stg_print_foreign_threads_threadprivate
1965 
1966 // -----------------------------------------------------------------------------
1967 // KMP_AFFINITY, GOMP_CPU_AFFINITY, KMP_TOPOLOGY_METHOD
1968 
1969 #if KMP_AFFINITY_SUPPORTED
1970 // Parse the proc id list.  Return TRUE if successful, FALSE otherwise.
1971 static int __kmp_parse_affinity_proc_id_list(const char *var, const char *env,
1972                                              const char **nextEnv,
1973                                              char **proclist) {
1974   const char *scan = env;
1975   const char *next = scan;
1976   int empty = TRUE;
1977 
1978   *proclist = NULL;
1979 
1980   for (;;) {
1981     int start, end, stride;
1982 
1983     SKIP_WS(scan);
1984     next = scan;
1985     if (*next == '\0') {
1986       break;
1987     }
1988 
1989     if (*next == '{') {
1990       int num;
1991       next++; // skip '{'
1992       SKIP_WS(next);
1993       scan = next;
1994 
1995       // Read the first integer in the set.
1996       if ((*next < '0') || (*next > '9')) {
1997         KMP_WARNING(AffSyntaxError, var);
1998         return FALSE;
1999       }
2000       SKIP_DIGITS(next);
2001       num = __kmp_str_to_int(scan, *next);
2002       KMP_ASSERT(num >= 0);
2003 
2004       for (;;) {
2005         // Check for end of set.
2006         SKIP_WS(next);
2007         if (*next == '}') {
2008           next++; // skip '}'
2009           break;
2010         }
2011 
2012         // Skip optional comma.
2013         if (*next == ',') {
2014           next++;
2015         }
2016         SKIP_WS(next);
2017 
2018         // Read the next integer in the set.
2019         scan = next;
2020         if ((*next < '0') || (*next > '9')) {
2021           KMP_WARNING(AffSyntaxError, var);
2022           return FALSE;
2023         }
2024 
2025         SKIP_DIGITS(next);
2026         num = __kmp_str_to_int(scan, *next);
2027         KMP_ASSERT(num >= 0);
2028       }
2029       empty = FALSE;
2030 
2031       SKIP_WS(next);
2032       if (*next == ',') {
2033         next++;
2034       }
2035       scan = next;
2036       continue;
2037     }
2038 
2039     // Next character is not an integer => end of list
2040     if ((*next < '0') || (*next > '9')) {
2041       if (empty) {
2042         KMP_WARNING(AffSyntaxError, var);
2043         return FALSE;
2044       }
2045       break;
2046     }
2047 
2048     // Read the first integer.
2049     SKIP_DIGITS(next);
2050     start = __kmp_str_to_int(scan, *next);
2051     KMP_ASSERT(start >= 0);
2052     SKIP_WS(next);
2053 
2054     // If this isn't a range, then go on.
2055     if (*next != '-') {
2056       empty = FALSE;
2057 
2058       // Skip optional comma.
2059       if (*next == ',') {
2060         next++;
2061       }
2062       scan = next;
2063       continue;
2064     }
2065 
2066     // This is a range.  Skip over the '-' and read in the 2nd int.
2067     next++; // skip '-'
2068     SKIP_WS(next);
2069     scan = next;
2070     if ((*next < '0') || (*next > '9')) {
2071       KMP_WARNING(AffSyntaxError, var);
2072       return FALSE;
2073     }
2074     SKIP_DIGITS(next);
2075     end = __kmp_str_to_int(scan, *next);
2076     KMP_ASSERT(end >= 0);
2077 
2078     // Check for a stride parameter
2079     stride = 1;
2080     SKIP_WS(next);
2081     if (*next == ':') {
2082       // A stride is specified.  Skip over the ':" and read the 3rd int.
2083       int sign = +1;
2084       next++; // skip ':'
2085       SKIP_WS(next);
2086       scan = next;
2087       if (*next == '-') {
2088         sign = -1;
2089         next++;
2090         SKIP_WS(next);
2091         scan = next;
2092       }
2093       if ((*next < '0') || (*next > '9')) {
2094         KMP_WARNING(AffSyntaxError, var);
2095         return FALSE;
2096       }
2097       SKIP_DIGITS(next);
2098       stride = __kmp_str_to_int(scan, *next);
2099       KMP_ASSERT(stride >= 0);
2100       stride *= sign;
2101     }
2102 
2103     // Do some range checks.
2104     if (stride == 0) {
2105       KMP_WARNING(AffZeroStride, var);
2106       return FALSE;
2107     }
2108     if (stride > 0) {
2109       if (start > end) {
2110         KMP_WARNING(AffStartGreaterEnd, var, start, end);
2111         return FALSE;
2112       }
2113     } else {
2114       if (start < end) {
2115         KMP_WARNING(AffStrideLessZero, var, start, end);
2116         return FALSE;
2117       }
2118     }
2119     if ((end - start) / stride > 65536) {
2120       KMP_WARNING(AffRangeTooBig, var, end, start, stride);
2121       return FALSE;
2122     }
2123 
2124     empty = FALSE;
2125 
2126     // Skip optional comma.
2127     SKIP_WS(next);
2128     if (*next == ',') {
2129       next++;
2130     }
2131     scan = next;
2132   }
2133 
2134   *nextEnv = next;
2135 
2136   {
2137     ptrdiff_t len = next - env;
2138     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
2139     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
2140     retlist[len] = '\0';
2141     *proclist = retlist;
2142   }
2143   return TRUE;
2144 }
2145 
2146 // If KMP_AFFINITY is specified without a type, then
2147 // __kmp_affinity_notype should point to its setting.
2148 static kmp_setting_t *__kmp_affinity_notype = NULL;
2149 
2150 static void __kmp_parse_affinity_env(char const *name, char const *value,
2151                                      enum affinity_type *out_type,
2152                                      char **out_proclist, int *out_verbose,
2153                                      int *out_warn, int *out_respect,
2154                                      kmp_hw_t *out_gran, int *out_gran_levels,
2155                                      int *out_dups, int *out_compact,
2156                                      int *out_offset) {
2157   char *buffer = NULL; // Copy of env var value.
2158   char *buf = NULL; // Buffer for strtok_r() function.
2159   char *next = NULL; // end of token / start of next.
2160   const char *start; // start of current token (for err msgs)
2161   int count = 0; // Counter of parsed integer numbers.
2162   int number[2]; // Parsed numbers.
2163 
2164   // Guards.
2165   int type = 0;
2166   int proclist = 0;
2167   int verbose = 0;
2168   int warnings = 0;
2169   int respect = 0;
2170   int gran = 0;
2171   int dups = 0;
2172   int reset = 0;
2173   bool set = false;
2174 
2175   KMP_ASSERT(value != NULL);
2176 
2177   if (TCR_4(__kmp_init_middle)) {
2178     KMP_WARNING(EnvMiddleWarn, name);
2179     __kmp_env_toPrint(name, 0);
2180     return;
2181   }
2182   __kmp_env_toPrint(name, 1);
2183 
2184   buffer =
2185       __kmp_str_format("%s", value); // Copy env var to keep original intact.
2186   buf = buffer;
2187   SKIP_WS(buf);
2188 
2189 // Helper macros.
2190 
2191 // If we see a parse error, emit a warning and scan to the next ",".
2192 //
2193 // FIXME - there's got to be a better way to print an error
2194 // message, hopefully without overwriting peices of buf.
2195 #define EMIT_WARN(skip, errlist)                                               \
2196   {                                                                            \
2197     char ch;                                                                   \
2198     if (skip) {                                                                \
2199       SKIP_TO(next, ',');                                                      \
2200     }                                                                          \
2201     ch = *next;                                                                \
2202     *next = '\0';                                                              \
2203     KMP_WARNING errlist;                                                       \
2204     *next = ch;                                                                \
2205     if (skip) {                                                                \
2206       if (ch == ',')                                                           \
2207         next++;                                                                \
2208     }                                                                          \
2209     buf = next;                                                                \
2210   }
2211 
2212 #define _set_param(_guard, _var, _val)                                         \
2213   {                                                                            \
2214     if (_guard == 0) {                                                         \
2215       _var = _val;                                                             \
2216     } else {                                                                   \
2217       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2218     }                                                                          \
2219     ++_guard;                                                                  \
2220   }
2221 
2222 #define set_type(val) _set_param(type, *out_type, val)
2223 #define set_verbose(val) _set_param(verbose, *out_verbose, val)
2224 #define set_warnings(val) _set_param(warnings, *out_warn, val)
2225 #define set_respect(val) _set_param(respect, *out_respect, val)
2226 #define set_dups(val) _set_param(dups, *out_dups, val)
2227 #define set_proclist(val) _set_param(proclist, *out_proclist, val)
2228 #define set_reset(val) _set_param(reset, __kmp_affin_reset, val)
2229 
2230 #define set_gran(val, levels)                                                  \
2231   {                                                                            \
2232     if (gran == 0) {                                                           \
2233       *out_gran = val;                                                         \
2234       *out_gran_levels = levels;                                               \
2235     } else {                                                                   \
2236       EMIT_WARN(FALSE, (AffParamDefined, name, start));                        \
2237     }                                                                          \
2238     ++gran;                                                                    \
2239   }
2240 
2241   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
2242                    (__kmp_nested_proc_bind.used > 0));
2243 
2244   while (*buf != '\0') {
2245     start = next = buf;
2246 
2247     if (__kmp_match_str("none", buf, CCAST(const char **, &next))) {
2248       set_type(affinity_none);
2249       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2250       buf = next;
2251     } else if (__kmp_match_str("scatter", buf, CCAST(const char **, &next))) {
2252       set_type(affinity_scatter);
2253       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2254       buf = next;
2255     } else if (__kmp_match_str("compact", buf, CCAST(const char **, &next))) {
2256       set_type(affinity_compact);
2257       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2258       buf = next;
2259     } else if (__kmp_match_str("logical", buf, CCAST(const char **, &next))) {
2260       set_type(affinity_logical);
2261       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2262       buf = next;
2263     } else if (__kmp_match_str("physical", buf, CCAST(const char **, &next))) {
2264       set_type(affinity_physical);
2265       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2266       buf = next;
2267     } else if (__kmp_match_str("explicit", buf, CCAST(const char **, &next))) {
2268       set_type(affinity_explicit);
2269       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2270       buf = next;
2271     } else if (__kmp_match_str("balanced", buf, CCAST(const char **, &next))) {
2272       set_type(affinity_balanced);
2273       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2274       buf = next;
2275     } else if (__kmp_match_str("disabled", buf, CCAST(const char **, &next))) {
2276       set_type(affinity_disabled);
2277       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2278       buf = next;
2279     } else if (__kmp_match_str("verbose", buf, CCAST(const char **, &next))) {
2280       set_verbose(TRUE);
2281       buf = next;
2282     } else if (__kmp_match_str("noverbose", buf, CCAST(const char **, &next))) {
2283       set_verbose(FALSE);
2284       buf = next;
2285     } else if (__kmp_match_str("warnings", buf, CCAST(const char **, &next))) {
2286       set_warnings(TRUE);
2287       buf = next;
2288     } else if (__kmp_match_str("nowarnings", buf,
2289                                CCAST(const char **, &next))) {
2290       set_warnings(FALSE);
2291       buf = next;
2292     } else if (__kmp_match_str("respect", buf, CCAST(const char **, &next))) {
2293       set_respect(TRUE);
2294       buf = next;
2295     } else if (__kmp_match_str("norespect", buf, CCAST(const char **, &next))) {
2296       set_respect(FALSE);
2297       buf = next;
2298     } else if (__kmp_match_str("reset", buf, CCAST(const char **, &next))) {
2299       set_reset(TRUE);
2300       buf = next;
2301     } else if (__kmp_match_str("noreset", buf, CCAST(const char **, &next))) {
2302       set_reset(FALSE);
2303       buf = next;
2304     } else if (__kmp_match_str("duplicates", buf,
2305                                CCAST(const char **, &next)) ||
2306                __kmp_match_str("dups", buf, CCAST(const char **, &next))) {
2307       set_dups(TRUE);
2308       buf = next;
2309     } else if (__kmp_match_str("noduplicates", buf,
2310                                CCAST(const char **, &next)) ||
2311                __kmp_match_str("nodups", buf, CCAST(const char **, &next))) {
2312       set_dups(FALSE);
2313       buf = next;
2314     } else if (__kmp_match_str("granularity", buf,
2315                                CCAST(const char **, &next)) ||
2316                __kmp_match_str("gran", buf, CCAST(const char **, &next))) {
2317       SKIP_WS(next);
2318       if (*next != '=') {
2319         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2320         continue;
2321       }
2322       next++; // skip '='
2323       SKIP_WS(next);
2324 
2325       buf = next;
2326 
2327       // Try any hardware topology type for granularity
2328       KMP_FOREACH_HW_TYPE(type) {
2329         const char *name = __kmp_hw_get_keyword(type);
2330         if (__kmp_match_str(name, buf, CCAST(const char **, &next))) {
2331           set_gran(type, -1);
2332           buf = next;
2333           set = true;
2334           break;
2335         }
2336       }
2337       if (!set) {
2338         // Support older names for different granularity layers
2339         if (__kmp_match_str("fine", buf, CCAST(const char **, &next))) {
2340           set_gran(KMP_HW_THREAD, -1);
2341           buf = next;
2342           set = true;
2343         } else if (__kmp_match_str("package", buf,
2344                                    CCAST(const char **, &next))) {
2345           set_gran(KMP_HW_SOCKET, -1);
2346           buf = next;
2347           set = true;
2348         } else if (__kmp_match_str("node", buf, CCAST(const char **, &next))) {
2349           set_gran(KMP_HW_NUMA, -1);
2350           buf = next;
2351           set = true;
2352 #if KMP_GROUP_AFFINITY
2353         } else if (__kmp_match_str("group", buf, CCAST(const char **, &next))) {
2354           set_gran(KMP_HW_PROC_GROUP, -1);
2355           buf = next;
2356           set = true;
2357 #endif /* KMP_GROUP AFFINITY */
2358         } else if ((*buf >= '0') && (*buf <= '9')) {
2359           int n;
2360           next = buf;
2361           SKIP_DIGITS(next);
2362           n = __kmp_str_to_int(buf, *next);
2363           KMP_ASSERT(n >= 0);
2364           buf = next;
2365           set_gran(KMP_HW_UNKNOWN, n);
2366           set = true;
2367         } else {
2368           EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2369           continue;
2370         }
2371       }
2372     } else if (__kmp_match_str("proclist", buf, CCAST(const char **, &next))) {
2373       char *temp_proclist;
2374 
2375       SKIP_WS(next);
2376       if (*next != '=') {
2377         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2378         continue;
2379       }
2380       next++; // skip '='
2381       SKIP_WS(next);
2382       if (*next != '[') {
2383         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2384         continue;
2385       }
2386       next++; // skip '['
2387       buf = next;
2388       if (!__kmp_parse_affinity_proc_id_list(
2389               name, buf, CCAST(const char **, &next), &temp_proclist)) {
2390         // warning already emitted.
2391         SKIP_TO(next, ']');
2392         if (*next == ']')
2393           next++;
2394         SKIP_TO(next, ',');
2395         if (*next == ',')
2396           next++;
2397         buf = next;
2398         continue;
2399       }
2400       if (*next != ']') {
2401         EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2402         continue;
2403       }
2404       next++; // skip ']'
2405       set_proclist(temp_proclist);
2406     } else if ((*buf >= '0') && (*buf <= '9')) {
2407       // Parse integer numbers -- permute and offset.
2408       int n;
2409       next = buf;
2410       SKIP_DIGITS(next);
2411       n = __kmp_str_to_int(buf, *next);
2412       KMP_ASSERT(n >= 0);
2413       buf = next;
2414       if (count < 2) {
2415         number[count] = n;
2416       } else {
2417         KMP_WARNING(AffManyParams, name, start);
2418       }
2419       ++count;
2420     } else {
2421       EMIT_WARN(TRUE, (AffInvalidParam, name, start));
2422       continue;
2423     }
2424 
2425     SKIP_WS(next);
2426     if (*next == ',') {
2427       next++;
2428       SKIP_WS(next);
2429     } else if (*next != '\0') {
2430       const char *temp = next;
2431       EMIT_WARN(TRUE, (ParseExtraCharsWarn, name, temp));
2432       continue;
2433     }
2434     buf = next;
2435   } // while
2436 
2437 #undef EMIT_WARN
2438 #undef _set_param
2439 #undef set_type
2440 #undef set_verbose
2441 #undef set_warnings
2442 #undef set_respect
2443 #undef set_granularity
2444 #undef set_reset
2445 
2446   __kmp_str_free(&buffer);
2447 
2448   if (proclist) {
2449     if (!type) {
2450       KMP_WARNING(AffProcListNoType, name);
2451       *out_type = affinity_explicit;
2452       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2453     } else if (*out_type != affinity_explicit) {
2454       KMP_WARNING(AffProcListNotExplicit, name);
2455       KMP_ASSERT(*out_proclist != NULL);
2456       KMP_INTERNAL_FREE(*out_proclist);
2457       *out_proclist = NULL;
2458     }
2459   }
2460   switch (*out_type) {
2461   case affinity_logical:
2462   case affinity_physical: {
2463     if (count > 0) {
2464       *out_offset = number[0];
2465     }
2466     if (count > 1) {
2467       KMP_WARNING(AffManyParamsForLogic, name, number[1]);
2468     }
2469   } break;
2470   case affinity_balanced: {
2471     if (count > 0) {
2472       *out_compact = number[0];
2473     }
2474     if (count > 1) {
2475       *out_offset = number[1];
2476     }
2477 
2478     if (__kmp_affinity_gran == KMP_HW_UNKNOWN) {
2479 #if KMP_MIC_SUPPORTED
2480       if (__kmp_mic_type != non_mic) {
2481         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2482           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "fine");
2483         }
2484         __kmp_affinity_gran = KMP_HW_THREAD;
2485       } else
2486 #endif
2487       {
2488         if (__kmp_affinity_verbose || __kmp_affinity_warnings) {
2489           KMP_WARNING(AffGranUsing, "KMP_AFFINITY", "core");
2490         }
2491         __kmp_affinity_gran = KMP_HW_CORE;
2492       }
2493     }
2494   } break;
2495   case affinity_scatter:
2496   case affinity_compact: {
2497     if (count > 0) {
2498       *out_compact = number[0];
2499     }
2500     if (count > 1) {
2501       *out_offset = number[1];
2502     }
2503   } break;
2504   case affinity_explicit: {
2505     if (*out_proclist == NULL) {
2506       KMP_WARNING(AffNoProcList, name);
2507       __kmp_affinity_type = affinity_none;
2508     }
2509     if (count > 0) {
2510       KMP_WARNING(AffNoParam, name, "explicit");
2511     }
2512   } break;
2513   case affinity_none: {
2514     if (count > 0) {
2515       KMP_WARNING(AffNoParam, name, "none");
2516     }
2517   } break;
2518   case affinity_disabled: {
2519     if (count > 0) {
2520       KMP_WARNING(AffNoParam, name, "disabled");
2521     }
2522   } break;
2523   case affinity_default: {
2524     if (count > 0) {
2525       KMP_WARNING(AffNoParam, name, "default");
2526     }
2527   } break;
2528   default: {
2529     KMP_ASSERT(0);
2530   }
2531   }
2532 } // __kmp_parse_affinity_env
2533 
2534 static void __kmp_stg_parse_affinity(char const *name, char const *value,
2535                                      void *data) {
2536   kmp_setting_t **rivals = (kmp_setting_t **)data;
2537   int rc;
2538 
2539   rc = __kmp_stg_check_rivals(name, value, rivals);
2540   if (rc) {
2541     return;
2542   }
2543 
2544   __kmp_parse_affinity_env(name, value, &__kmp_affinity_type,
2545                            &__kmp_affinity_proclist, &__kmp_affinity_verbose,
2546                            &__kmp_affinity_warnings,
2547                            &__kmp_affinity_respect_mask, &__kmp_affinity_gran,
2548                            &__kmp_affinity_gran_levels, &__kmp_affinity_dups,
2549                            &__kmp_affinity_compact, &__kmp_affinity_offset);
2550 
2551 } // __kmp_stg_parse_affinity
2552 
2553 static void __kmp_stg_print_affinity(kmp_str_buf_t *buffer, char const *name,
2554                                      void *data) {
2555   if (__kmp_env_format) {
2556     KMP_STR_BUF_PRINT_NAME_EX(name);
2557   } else {
2558     __kmp_str_buf_print(buffer, "   %s='", name);
2559   }
2560   if (__kmp_affinity_verbose) {
2561     __kmp_str_buf_print(buffer, "%s,", "verbose");
2562   } else {
2563     __kmp_str_buf_print(buffer, "%s,", "noverbose");
2564   }
2565   if (__kmp_affinity_warnings) {
2566     __kmp_str_buf_print(buffer, "%s,", "warnings");
2567   } else {
2568     __kmp_str_buf_print(buffer, "%s,", "nowarnings");
2569   }
2570   if (KMP_AFFINITY_CAPABLE()) {
2571     if (__kmp_affinity_respect_mask) {
2572       __kmp_str_buf_print(buffer, "%s,", "respect");
2573     } else {
2574       __kmp_str_buf_print(buffer, "%s,", "norespect");
2575     }
2576     if (__kmp_affin_reset) {
2577       __kmp_str_buf_print(buffer, "%s,", "reset");
2578     } else {
2579       __kmp_str_buf_print(buffer, "%s,", "noreset");
2580     }
2581     __kmp_str_buf_print(buffer, "granularity=%s,",
2582                         __kmp_hw_get_keyword(__kmp_affinity_gran, false));
2583   }
2584   if (!KMP_AFFINITY_CAPABLE()) {
2585     __kmp_str_buf_print(buffer, "%s", "disabled");
2586   } else
2587     switch (__kmp_affinity_type) {
2588     case affinity_none:
2589       __kmp_str_buf_print(buffer, "%s", "none");
2590       break;
2591     case affinity_physical:
2592       __kmp_str_buf_print(buffer, "%s,%d", "physical", __kmp_affinity_offset);
2593       break;
2594     case affinity_logical:
2595       __kmp_str_buf_print(buffer, "%s,%d", "logical", __kmp_affinity_offset);
2596       break;
2597     case affinity_compact:
2598       __kmp_str_buf_print(buffer, "%s,%d,%d", "compact", __kmp_affinity_compact,
2599                           __kmp_affinity_offset);
2600       break;
2601     case affinity_scatter:
2602       __kmp_str_buf_print(buffer, "%s,%d,%d", "scatter", __kmp_affinity_compact,
2603                           __kmp_affinity_offset);
2604       break;
2605     case affinity_explicit:
2606       __kmp_str_buf_print(buffer, "%s=[%s],%s", "proclist",
2607                           __kmp_affinity_proclist, "explicit");
2608       break;
2609     case affinity_balanced:
2610       __kmp_str_buf_print(buffer, "%s,%d,%d", "balanced",
2611                           __kmp_affinity_compact, __kmp_affinity_offset);
2612       break;
2613     case affinity_disabled:
2614       __kmp_str_buf_print(buffer, "%s", "disabled");
2615       break;
2616     case affinity_default:
2617       __kmp_str_buf_print(buffer, "%s", "default");
2618       break;
2619     default:
2620       __kmp_str_buf_print(buffer, "%s", "<unknown>");
2621       break;
2622     }
2623   __kmp_str_buf_print(buffer, "'\n");
2624 } //__kmp_stg_print_affinity
2625 
2626 #ifdef KMP_GOMP_COMPAT
2627 
2628 static void __kmp_stg_parse_gomp_cpu_affinity(char const *name,
2629                                               char const *value, void *data) {
2630   const char *next = NULL;
2631   char *temp_proclist;
2632   kmp_setting_t **rivals = (kmp_setting_t **)data;
2633   int rc;
2634 
2635   rc = __kmp_stg_check_rivals(name, value, rivals);
2636   if (rc) {
2637     return;
2638   }
2639 
2640   if (TCR_4(__kmp_init_middle)) {
2641     KMP_WARNING(EnvMiddleWarn, name);
2642     __kmp_env_toPrint(name, 0);
2643     return;
2644   }
2645 
2646   __kmp_env_toPrint(name, 1);
2647 
2648   if (__kmp_parse_affinity_proc_id_list(name, value, &next, &temp_proclist)) {
2649     SKIP_WS(next);
2650     if (*next == '\0') {
2651       // GOMP_CPU_AFFINITY => granularity=fine,explicit,proclist=...
2652       __kmp_affinity_proclist = temp_proclist;
2653       __kmp_affinity_type = affinity_explicit;
2654       __kmp_affinity_gran = KMP_HW_THREAD;
2655       __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
2656     } else {
2657       KMP_WARNING(AffSyntaxError, name);
2658       if (temp_proclist != NULL) {
2659         KMP_INTERNAL_FREE((void *)temp_proclist);
2660       }
2661     }
2662   } else {
2663     // Warning already emitted
2664     __kmp_affinity_type = affinity_none;
2665     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
2666   }
2667 } // __kmp_stg_parse_gomp_cpu_affinity
2668 
2669 #endif /* KMP_GOMP_COMPAT */
2670 
2671 /*-----------------------------------------------------------------------------
2672 The OMP_PLACES proc id list parser. Here is the grammar:
2673 
2674 place_list := place
2675 place_list := place , place_list
2676 place := num
2677 place := place : num
2678 place := place : num : signed
2679 place := { subplacelist }
2680 place := ! place                  // (lowest priority)
2681 subplace_list := subplace
2682 subplace_list := subplace , subplace_list
2683 subplace := num
2684 subplace := num : num
2685 subplace := num : num : signed
2686 signed := num
2687 signed := + signed
2688 signed := - signed
2689 -----------------------------------------------------------------------------*/
2690 
2691 // Warning to issue for syntax error during parsing of OMP_PLACES
2692 static inline void __kmp_omp_places_syntax_warn(const char *var) {
2693   KMP_WARNING(SyntaxErrorUsing, var, "\"cores\"");
2694 }
2695 
2696 static int __kmp_parse_subplace_list(const char *var, const char **scan) {
2697   const char *next;
2698 
2699   for (;;) {
2700     int start, count, stride;
2701 
2702     //
2703     // Read in the starting proc id
2704     //
2705     SKIP_WS(*scan);
2706     if ((**scan < '0') || (**scan > '9')) {
2707       __kmp_omp_places_syntax_warn(var);
2708       return FALSE;
2709     }
2710     next = *scan;
2711     SKIP_DIGITS(next);
2712     start = __kmp_str_to_int(*scan, *next);
2713     KMP_ASSERT(start >= 0);
2714     *scan = next;
2715 
2716     // valid follow sets are ',' ':' and '}'
2717     SKIP_WS(*scan);
2718     if (**scan == '}') {
2719       break;
2720     }
2721     if (**scan == ',') {
2722       (*scan)++; // skip ','
2723       continue;
2724     }
2725     if (**scan != ':') {
2726       __kmp_omp_places_syntax_warn(var);
2727       return FALSE;
2728     }
2729     (*scan)++; // skip ':'
2730 
2731     // Read count parameter
2732     SKIP_WS(*scan);
2733     if ((**scan < '0') || (**scan > '9')) {
2734       __kmp_omp_places_syntax_warn(var);
2735       return FALSE;
2736     }
2737     next = *scan;
2738     SKIP_DIGITS(next);
2739     count = __kmp_str_to_int(*scan, *next);
2740     KMP_ASSERT(count >= 0);
2741     *scan = next;
2742 
2743     // valid follow sets are ',' ':' and '}'
2744     SKIP_WS(*scan);
2745     if (**scan == '}') {
2746       break;
2747     }
2748     if (**scan == ',') {
2749       (*scan)++; // skip ','
2750       continue;
2751     }
2752     if (**scan != ':') {
2753       __kmp_omp_places_syntax_warn(var);
2754       return FALSE;
2755     }
2756     (*scan)++; // skip ':'
2757 
2758     // Read stride parameter
2759     int sign = +1;
2760     for (;;) {
2761       SKIP_WS(*scan);
2762       if (**scan == '+') {
2763         (*scan)++; // skip '+'
2764         continue;
2765       }
2766       if (**scan == '-') {
2767         sign *= -1;
2768         (*scan)++; // skip '-'
2769         continue;
2770       }
2771       break;
2772     }
2773     SKIP_WS(*scan);
2774     if ((**scan < '0') || (**scan > '9')) {
2775       __kmp_omp_places_syntax_warn(var);
2776       return FALSE;
2777     }
2778     next = *scan;
2779     SKIP_DIGITS(next);
2780     stride = __kmp_str_to_int(*scan, *next);
2781     KMP_ASSERT(stride >= 0);
2782     *scan = next;
2783     stride *= sign;
2784 
2785     // valid follow sets are ',' and '}'
2786     SKIP_WS(*scan);
2787     if (**scan == '}') {
2788       break;
2789     }
2790     if (**scan == ',') {
2791       (*scan)++; // skip ','
2792       continue;
2793     }
2794 
2795     __kmp_omp_places_syntax_warn(var);
2796     return FALSE;
2797   }
2798   return TRUE;
2799 }
2800 
2801 static int __kmp_parse_place(const char *var, const char **scan) {
2802   const char *next;
2803 
2804   // valid follow sets are '{' '!' and num
2805   SKIP_WS(*scan);
2806   if (**scan == '{') {
2807     (*scan)++; // skip '{'
2808     if (!__kmp_parse_subplace_list(var, scan)) {
2809       return FALSE;
2810     }
2811     if (**scan != '}') {
2812       __kmp_omp_places_syntax_warn(var);
2813       return FALSE;
2814     }
2815     (*scan)++; // skip '}'
2816   } else if (**scan == '!') {
2817     (*scan)++; // skip '!'
2818     return __kmp_parse_place(var, scan); //'!' has lower precedence than ':'
2819   } else if ((**scan >= '0') && (**scan <= '9')) {
2820     next = *scan;
2821     SKIP_DIGITS(next);
2822     int proc = __kmp_str_to_int(*scan, *next);
2823     KMP_ASSERT(proc >= 0);
2824     *scan = next;
2825   } else {
2826     __kmp_omp_places_syntax_warn(var);
2827     return FALSE;
2828   }
2829   return TRUE;
2830 }
2831 
2832 static int __kmp_parse_place_list(const char *var, const char *env,
2833                                   char **place_list) {
2834   const char *scan = env;
2835   const char *next = scan;
2836 
2837   for (;;) {
2838     int count, stride;
2839 
2840     if (!__kmp_parse_place(var, &scan)) {
2841       return FALSE;
2842     }
2843 
2844     // valid follow sets are ',' ':' and EOL
2845     SKIP_WS(scan);
2846     if (*scan == '\0') {
2847       break;
2848     }
2849     if (*scan == ',') {
2850       scan++; // skip ','
2851       continue;
2852     }
2853     if (*scan != ':') {
2854       __kmp_omp_places_syntax_warn(var);
2855       return FALSE;
2856     }
2857     scan++; // skip ':'
2858 
2859     // Read count parameter
2860     SKIP_WS(scan);
2861     if ((*scan < '0') || (*scan > '9')) {
2862       __kmp_omp_places_syntax_warn(var);
2863       return FALSE;
2864     }
2865     next = scan;
2866     SKIP_DIGITS(next);
2867     count = __kmp_str_to_int(scan, *next);
2868     KMP_ASSERT(count >= 0);
2869     scan = next;
2870 
2871     // valid follow sets are ',' ':' and EOL
2872     SKIP_WS(scan);
2873     if (*scan == '\0') {
2874       break;
2875     }
2876     if (*scan == ',') {
2877       scan++; // skip ','
2878       continue;
2879     }
2880     if (*scan != ':') {
2881       __kmp_omp_places_syntax_warn(var);
2882       return FALSE;
2883     }
2884     scan++; // skip ':'
2885 
2886     // Read stride parameter
2887     int sign = +1;
2888     for (;;) {
2889       SKIP_WS(scan);
2890       if (*scan == '+') {
2891         scan++; // skip '+'
2892         continue;
2893       }
2894       if (*scan == '-') {
2895         sign *= -1;
2896         scan++; // skip '-'
2897         continue;
2898       }
2899       break;
2900     }
2901     SKIP_WS(scan);
2902     if ((*scan < '0') || (*scan > '9')) {
2903       __kmp_omp_places_syntax_warn(var);
2904       return FALSE;
2905     }
2906     next = scan;
2907     SKIP_DIGITS(next);
2908     stride = __kmp_str_to_int(scan, *next);
2909     KMP_ASSERT(stride >= 0);
2910     scan = next;
2911     stride *= sign;
2912 
2913     // valid follow sets are ',' and EOL
2914     SKIP_WS(scan);
2915     if (*scan == '\0') {
2916       break;
2917     }
2918     if (*scan == ',') {
2919       scan++; // skip ','
2920       continue;
2921     }
2922 
2923     __kmp_omp_places_syntax_warn(var);
2924     return FALSE;
2925   }
2926 
2927   {
2928     ptrdiff_t len = scan - env;
2929     char *retlist = (char *)__kmp_allocate((len + 1) * sizeof(char));
2930     KMP_MEMCPY_S(retlist, (len + 1) * sizeof(char), env, len * sizeof(char));
2931     retlist[len] = '\0';
2932     *place_list = retlist;
2933   }
2934   return TRUE;
2935 }
2936 
2937 static void __kmp_stg_parse_places(char const *name, char const *value,
2938                                    void *data) {
2939   struct kmp_place_t {
2940     const char *name;
2941     kmp_hw_t type;
2942   };
2943   int count;
2944   bool set = false;
2945   const char *scan = value;
2946   const char *next = scan;
2947   const char *kind = "\"threads\"";
2948   kmp_place_t std_places[] = {{"threads", KMP_HW_THREAD},
2949                               {"cores", KMP_HW_CORE},
2950                               {"numa_domains", KMP_HW_NUMA},
2951                               {"ll_caches", KMP_HW_LLC},
2952                               {"sockets", KMP_HW_SOCKET}};
2953   kmp_setting_t **rivals = (kmp_setting_t **)data;
2954   int rc;
2955 
2956   rc = __kmp_stg_check_rivals(name, value, rivals);
2957   if (rc) {
2958     return;
2959   }
2960 
2961   // Standard choices
2962   for (size_t i = 0; i < sizeof(std_places) / sizeof(std_places[0]); ++i) {
2963     const kmp_place_t &place = std_places[i];
2964     if (__kmp_match_str(place.name, scan, &next)) {
2965       scan = next;
2966       __kmp_affinity_type = affinity_compact;
2967       __kmp_affinity_gran = place.type;
2968       __kmp_affinity_dups = FALSE;
2969       set = true;
2970       break;
2971     }
2972   }
2973   // Implementation choices for OMP_PLACES based on internal types
2974   if (!set) {
2975     KMP_FOREACH_HW_TYPE(type) {
2976       const char *name = __kmp_hw_get_keyword(type, true);
2977       if (__kmp_match_str("unknowns", scan, &next))
2978         continue;
2979       if (__kmp_match_str(name, scan, &next)) {
2980         scan = next;
2981         __kmp_affinity_type = affinity_compact;
2982         __kmp_affinity_gran = type;
2983         __kmp_affinity_dups = FALSE;
2984         set = true;
2985         break;
2986       }
2987     }
2988   }
2989   if (!set) {
2990     if (__kmp_affinity_proclist != NULL) {
2991       KMP_INTERNAL_FREE((void *)__kmp_affinity_proclist);
2992       __kmp_affinity_proclist = NULL;
2993     }
2994     if (__kmp_parse_place_list(name, value, &__kmp_affinity_proclist)) {
2995       __kmp_affinity_type = affinity_explicit;
2996       __kmp_affinity_gran = KMP_HW_THREAD;
2997       __kmp_affinity_dups = FALSE;
2998     } else {
2999       // Syntax error fallback
3000       __kmp_affinity_type = affinity_compact;
3001       __kmp_affinity_gran = KMP_HW_CORE;
3002       __kmp_affinity_dups = FALSE;
3003     }
3004     if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
3005       __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
3006     }
3007     return;
3008   }
3009   if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
3010     kind = __kmp_hw_get_keyword(__kmp_affinity_gran);
3011   }
3012 
3013   if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
3014     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
3015   }
3016 
3017   SKIP_WS(scan);
3018   if (*scan == '\0') {
3019     return;
3020   }
3021 
3022   // Parse option count parameter in parentheses
3023   if (*scan != '(') {
3024     KMP_WARNING(SyntaxErrorUsing, name, kind);
3025     return;
3026   }
3027   scan++; // skip '('
3028 
3029   SKIP_WS(scan);
3030   next = scan;
3031   SKIP_DIGITS(next);
3032   count = __kmp_str_to_int(scan, *next);
3033   KMP_ASSERT(count >= 0);
3034   scan = next;
3035 
3036   SKIP_WS(scan);
3037   if (*scan != ')') {
3038     KMP_WARNING(SyntaxErrorUsing, name, kind);
3039     return;
3040   }
3041   scan++; // skip ')'
3042 
3043   SKIP_WS(scan);
3044   if (*scan != '\0') {
3045     KMP_WARNING(ParseExtraCharsWarn, name, scan);
3046   }
3047   __kmp_affinity_num_places = count;
3048 }
3049 
3050 static void __kmp_stg_print_places(kmp_str_buf_t *buffer, char const *name,
3051                                    void *data) {
3052   if (__kmp_env_format) {
3053     KMP_STR_BUF_PRINT_NAME;
3054   } else {
3055     __kmp_str_buf_print(buffer, "   %s", name);
3056   }
3057   if ((__kmp_nested_proc_bind.used == 0) ||
3058       (__kmp_nested_proc_bind.bind_types == NULL) ||
3059       (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) {
3060     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3061   } else if (__kmp_affinity_type == affinity_explicit) {
3062     if (__kmp_affinity_proclist != NULL) {
3063       __kmp_str_buf_print(buffer, "='%s'\n", __kmp_affinity_proclist);
3064     } else {
3065       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3066     }
3067   } else if (__kmp_affinity_type == affinity_compact) {
3068     int num;
3069     if (__kmp_affinity_num_masks > 0) {
3070       num = __kmp_affinity_num_masks;
3071     } else if (__kmp_affinity_num_places > 0) {
3072       num = __kmp_affinity_num_places;
3073     } else {
3074       num = 0;
3075     }
3076     if (__kmp_affinity_gran != KMP_HW_UNKNOWN) {
3077       const char *name = __kmp_hw_get_keyword(__kmp_affinity_gran, true);
3078       if (num > 0) {
3079         __kmp_str_buf_print(buffer, "='%s(%d)'\n", name, num);
3080       } else {
3081         __kmp_str_buf_print(buffer, "='%s'\n", name);
3082       }
3083     } else {
3084       __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3085     }
3086   } else {
3087     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3088   }
3089 }
3090 
3091 static void __kmp_stg_parse_topology_method(char const *name, char const *value,
3092                                             void *data) {
3093   if (__kmp_str_match("all", 1, value)) {
3094     __kmp_affinity_top_method = affinity_top_method_all;
3095   }
3096 #if KMP_USE_HWLOC
3097   else if (__kmp_str_match("hwloc", 1, value)) {
3098     __kmp_affinity_top_method = affinity_top_method_hwloc;
3099   }
3100 #endif
3101 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3102   else if (__kmp_str_match("cpuid_leaf31", 12, value) ||
3103            __kmp_str_match("cpuid 1f", 8, value) ||
3104            __kmp_str_match("cpuid 31", 8, value) ||
3105            __kmp_str_match("cpuid1f", 7, value) ||
3106            __kmp_str_match("cpuid31", 7, value) ||
3107            __kmp_str_match("leaf 1f", 7, value) ||
3108            __kmp_str_match("leaf 31", 7, value) ||
3109            __kmp_str_match("leaf1f", 6, value) ||
3110            __kmp_str_match("leaf31", 6, value)) {
3111     __kmp_affinity_top_method = affinity_top_method_x2apicid_1f;
3112   } else if (__kmp_str_match("x2apic id", 9, value) ||
3113              __kmp_str_match("x2apic_id", 9, value) ||
3114              __kmp_str_match("x2apic-id", 9, value) ||
3115              __kmp_str_match("x2apicid", 8, value) ||
3116              __kmp_str_match("cpuid leaf 11", 13, value) ||
3117              __kmp_str_match("cpuid_leaf_11", 13, value) ||
3118              __kmp_str_match("cpuid-leaf-11", 13, value) ||
3119              __kmp_str_match("cpuid leaf11", 12, value) ||
3120              __kmp_str_match("cpuid_leaf11", 12, value) ||
3121              __kmp_str_match("cpuid-leaf11", 12, value) ||
3122              __kmp_str_match("cpuidleaf 11", 12, value) ||
3123              __kmp_str_match("cpuidleaf_11", 12, value) ||
3124              __kmp_str_match("cpuidleaf-11", 12, value) ||
3125              __kmp_str_match("cpuidleaf11", 11, value) ||
3126              __kmp_str_match("cpuid 11", 8, value) ||
3127              __kmp_str_match("cpuid_11", 8, value) ||
3128              __kmp_str_match("cpuid-11", 8, value) ||
3129              __kmp_str_match("cpuid11", 7, value) ||
3130              __kmp_str_match("leaf 11", 7, value) ||
3131              __kmp_str_match("leaf_11", 7, value) ||
3132              __kmp_str_match("leaf-11", 7, value) ||
3133              __kmp_str_match("leaf11", 6, value)) {
3134     __kmp_affinity_top_method = affinity_top_method_x2apicid;
3135   } else if (__kmp_str_match("apic id", 7, value) ||
3136              __kmp_str_match("apic_id", 7, value) ||
3137              __kmp_str_match("apic-id", 7, value) ||
3138              __kmp_str_match("apicid", 6, value) ||
3139              __kmp_str_match("cpuid leaf 4", 12, value) ||
3140              __kmp_str_match("cpuid_leaf_4", 12, value) ||
3141              __kmp_str_match("cpuid-leaf-4", 12, value) ||
3142              __kmp_str_match("cpuid leaf4", 11, value) ||
3143              __kmp_str_match("cpuid_leaf4", 11, value) ||
3144              __kmp_str_match("cpuid-leaf4", 11, value) ||
3145              __kmp_str_match("cpuidleaf 4", 11, value) ||
3146              __kmp_str_match("cpuidleaf_4", 11, value) ||
3147              __kmp_str_match("cpuidleaf-4", 11, value) ||
3148              __kmp_str_match("cpuidleaf4", 10, value) ||
3149              __kmp_str_match("cpuid 4", 7, value) ||
3150              __kmp_str_match("cpuid_4", 7, value) ||
3151              __kmp_str_match("cpuid-4", 7, value) ||
3152              __kmp_str_match("cpuid4", 6, value) ||
3153              __kmp_str_match("leaf 4", 6, value) ||
3154              __kmp_str_match("leaf_4", 6, value) ||
3155              __kmp_str_match("leaf-4", 6, value) ||
3156              __kmp_str_match("leaf4", 5, value)) {
3157     __kmp_affinity_top_method = affinity_top_method_apicid;
3158   }
3159 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3160   else if (__kmp_str_match("/proc/cpuinfo", 2, value) ||
3161            __kmp_str_match("cpuinfo", 5, value)) {
3162     __kmp_affinity_top_method = affinity_top_method_cpuinfo;
3163   }
3164 #if KMP_GROUP_AFFINITY
3165   else if (__kmp_str_match("group", 1, value)) {
3166     KMP_WARNING(StgDeprecatedValue, name, value, "all");
3167     __kmp_affinity_top_method = affinity_top_method_group;
3168   }
3169 #endif /* KMP_GROUP_AFFINITY */
3170   else if (__kmp_str_match("flat", 1, value)) {
3171     __kmp_affinity_top_method = affinity_top_method_flat;
3172   } else {
3173     KMP_WARNING(StgInvalidValue, name, value);
3174   }
3175 } // __kmp_stg_parse_topology_method
3176 
3177 static void __kmp_stg_print_topology_method(kmp_str_buf_t *buffer,
3178                                             char const *name, void *data) {
3179   char const *value = NULL;
3180 
3181   switch (__kmp_affinity_top_method) {
3182   case affinity_top_method_default:
3183     value = "default";
3184     break;
3185 
3186   case affinity_top_method_all:
3187     value = "all";
3188     break;
3189 
3190 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3191   case affinity_top_method_x2apicid_1f:
3192     value = "x2APIC id leaf 0x1f";
3193     break;
3194 
3195   case affinity_top_method_x2apicid:
3196     value = "x2APIC id leaf 0xb";
3197     break;
3198 
3199   case affinity_top_method_apicid:
3200     value = "APIC id";
3201     break;
3202 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3203 
3204 #if KMP_USE_HWLOC
3205   case affinity_top_method_hwloc:
3206     value = "hwloc";
3207     break;
3208 #endif
3209 
3210   case affinity_top_method_cpuinfo:
3211     value = "cpuinfo";
3212     break;
3213 
3214 #if KMP_GROUP_AFFINITY
3215   case affinity_top_method_group:
3216     value = "group";
3217     break;
3218 #endif /* KMP_GROUP_AFFINITY */
3219 
3220   case affinity_top_method_flat:
3221     value = "flat";
3222     break;
3223   }
3224 
3225   if (value != NULL) {
3226     __kmp_stg_print_str(buffer, name, value);
3227   }
3228 } // __kmp_stg_print_topology_method
3229 
3230 // KMP_TEAMS_PROC_BIND
3231 struct kmp_proc_bind_info_t {
3232   const char *name;
3233   kmp_proc_bind_t proc_bind;
3234 };
3235 static kmp_proc_bind_info_t proc_bind_table[] = {
3236     {"spread", proc_bind_spread},
3237     {"true", proc_bind_spread},
3238     {"close", proc_bind_close},
3239     // teams-bind = false means "replicate the primary thread's affinity"
3240     {"false", proc_bind_primary},
3241     {"primary", proc_bind_primary}};
3242 static void __kmp_stg_parse_teams_proc_bind(char const *name, char const *value,
3243                                             void *data) {
3244   int valid;
3245   const char *end;
3246   valid = 0;
3247   for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
3248        ++i) {
3249     if (__kmp_match_str(proc_bind_table[i].name, value, &end)) {
3250       __kmp_teams_proc_bind = proc_bind_table[i].proc_bind;
3251       valid = 1;
3252       break;
3253     }
3254   }
3255   if (!valid) {
3256     KMP_WARNING(StgInvalidValue, name, value);
3257   }
3258 }
3259 static void __kmp_stg_print_teams_proc_bind(kmp_str_buf_t *buffer,
3260                                             char const *name, void *data) {
3261   const char *value = KMP_I18N_STR(NotDefined);
3262   for (size_t i = 0; i < sizeof(proc_bind_table) / sizeof(proc_bind_table[0]);
3263        ++i) {
3264     if (__kmp_teams_proc_bind == proc_bind_table[i].proc_bind) {
3265       value = proc_bind_table[i].name;
3266       break;
3267     }
3268   }
3269   __kmp_stg_print_str(buffer, name, value);
3270 }
3271 #endif /* KMP_AFFINITY_SUPPORTED */
3272 
3273 // OMP_PROC_BIND / bind-var is functional on all 4.0 builds, including OS X*
3274 // OMP_PLACES / place-partition-var is not.
3275 static void __kmp_stg_parse_proc_bind(char const *name, char const *value,
3276                                       void *data) {
3277   kmp_setting_t **rivals = (kmp_setting_t **)data;
3278   int rc;
3279 
3280   rc = __kmp_stg_check_rivals(name, value, rivals);
3281   if (rc) {
3282     return;
3283   }
3284 
3285   // In OMP 4.0 OMP_PROC_BIND is a vector of proc_bind types.
3286   KMP_DEBUG_ASSERT((__kmp_nested_proc_bind.bind_types != NULL) &&
3287                    (__kmp_nested_proc_bind.used > 0));
3288 
3289   const char *buf = value;
3290   const char *next;
3291   int num;
3292   SKIP_WS(buf);
3293   if ((*buf >= '0') && (*buf <= '9')) {
3294     next = buf;
3295     SKIP_DIGITS(next);
3296     num = __kmp_str_to_int(buf, *next);
3297     KMP_ASSERT(num >= 0);
3298     buf = next;
3299     SKIP_WS(buf);
3300   } else {
3301     num = -1;
3302   }
3303 
3304   next = buf;
3305   if (__kmp_match_str("disabled", buf, &next)) {
3306     buf = next;
3307     SKIP_WS(buf);
3308 #if KMP_AFFINITY_SUPPORTED
3309     __kmp_affinity_type = affinity_disabled;
3310 #endif /* KMP_AFFINITY_SUPPORTED */
3311     __kmp_nested_proc_bind.used = 1;
3312     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3313   } else if ((num == (int)proc_bind_false) ||
3314              __kmp_match_str("false", buf, &next)) {
3315     buf = next;
3316     SKIP_WS(buf);
3317 #if KMP_AFFINITY_SUPPORTED
3318     __kmp_affinity_type = affinity_none;
3319 #endif /* KMP_AFFINITY_SUPPORTED */
3320     __kmp_nested_proc_bind.used = 1;
3321     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3322   } else if ((num == (int)proc_bind_true) ||
3323              __kmp_match_str("true", buf, &next)) {
3324     buf = next;
3325     SKIP_WS(buf);
3326     __kmp_nested_proc_bind.used = 1;
3327     __kmp_nested_proc_bind.bind_types[0] = proc_bind_true;
3328   } else {
3329     // Count the number of values in the env var string
3330     const char *scan;
3331     int nelem = 1;
3332     for (scan = buf; *scan != '\0'; scan++) {
3333       if (*scan == ',') {
3334         nelem++;
3335       }
3336     }
3337 
3338     // Create / expand the nested proc_bind array as needed
3339     if (__kmp_nested_proc_bind.size < nelem) {
3340       __kmp_nested_proc_bind.bind_types =
3341           (kmp_proc_bind_t *)KMP_INTERNAL_REALLOC(
3342               __kmp_nested_proc_bind.bind_types,
3343               sizeof(kmp_proc_bind_t) * nelem);
3344       if (__kmp_nested_proc_bind.bind_types == NULL) {
3345         KMP_FATAL(MemoryAllocFailed);
3346       }
3347       __kmp_nested_proc_bind.size = nelem;
3348     }
3349     __kmp_nested_proc_bind.used = nelem;
3350 
3351     if (nelem > 1 && !__kmp_dflt_max_active_levels_set)
3352       __kmp_dflt_max_active_levels = KMP_MAX_ACTIVE_LEVELS_LIMIT;
3353 
3354     // Save values in the nested proc_bind array
3355     int i = 0;
3356     for (;;) {
3357       enum kmp_proc_bind_t bind;
3358 
3359       if ((num == (int)proc_bind_primary) ||
3360           __kmp_match_str("master", buf, &next) ||
3361           __kmp_match_str("primary", buf, &next)) {
3362         buf = next;
3363         SKIP_WS(buf);
3364         bind = proc_bind_primary;
3365       } else if ((num == (int)proc_bind_close) ||
3366                  __kmp_match_str("close", buf, &next)) {
3367         buf = next;
3368         SKIP_WS(buf);
3369         bind = proc_bind_close;
3370       } else if ((num == (int)proc_bind_spread) ||
3371                  __kmp_match_str("spread", buf, &next)) {
3372         buf = next;
3373         SKIP_WS(buf);
3374         bind = proc_bind_spread;
3375       } else {
3376         KMP_WARNING(StgInvalidValue, name, value);
3377         __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
3378         __kmp_nested_proc_bind.used = 1;
3379         return;
3380       }
3381 
3382       __kmp_nested_proc_bind.bind_types[i++] = bind;
3383       if (i >= nelem) {
3384         break;
3385       }
3386       KMP_DEBUG_ASSERT(*buf == ',');
3387       buf++;
3388       SKIP_WS(buf);
3389 
3390       // Read next value if it was specified as an integer
3391       if ((*buf >= '0') && (*buf <= '9')) {
3392         next = buf;
3393         SKIP_DIGITS(next);
3394         num = __kmp_str_to_int(buf, *next);
3395         KMP_ASSERT(num >= 0);
3396         buf = next;
3397         SKIP_WS(buf);
3398       } else {
3399         num = -1;
3400       }
3401     }
3402     SKIP_WS(buf);
3403   }
3404   if (*buf != '\0') {
3405     KMP_WARNING(ParseExtraCharsWarn, name, buf);
3406   }
3407 }
3408 
3409 static void __kmp_stg_print_proc_bind(kmp_str_buf_t *buffer, char const *name,
3410                                       void *data) {
3411   int nelem = __kmp_nested_proc_bind.used;
3412   if (__kmp_env_format) {
3413     KMP_STR_BUF_PRINT_NAME;
3414   } else {
3415     __kmp_str_buf_print(buffer, "   %s", name);
3416   }
3417   if (nelem == 0) {
3418     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
3419   } else {
3420     int i;
3421     __kmp_str_buf_print(buffer, "='", name);
3422     for (i = 0; i < nelem; i++) {
3423       switch (__kmp_nested_proc_bind.bind_types[i]) {
3424       case proc_bind_false:
3425         __kmp_str_buf_print(buffer, "false");
3426         break;
3427 
3428       case proc_bind_true:
3429         __kmp_str_buf_print(buffer, "true");
3430         break;
3431 
3432       case proc_bind_primary:
3433         __kmp_str_buf_print(buffer, "primary");
3434         break;
3435 
3436       case proc_bind_close:
3437         __kmp_str_buf_print(buffer, "close");
3438         break;
3439 
3440       case proc_bind_spread:
3441         __kmp_str_buf_print(buffer, "spread");
3442         break;
3443 
3444       case proc_bind_intel:
3445         __kmp_str_buf_print(buffer, "intel");
3446         break;
3447 
3448       case proc_bind_default:
3449         __kmp_str_buf_print(buffer, "default");
3450         break;
3451       }
3452       if (i < nelem - 1) {
3453         __kmp_str_buf_print(buffer, ",");
3454       }
3455     }
3456     __kmp_str_buf_print(buffer, "'\n");
3457   }
3458 }
3459 
3460 static void __kmp_stg_parse_display_affinity(char const *name,
3461                                              char const *value, void *data) {
3462   __kmp_stg_parse_bool(name, value, &__kmp_display_affinity);
3463 }
3464 static void __kmp_stg_print_display_affinity(kmp_str_buf_t *buffer,
3465                                              char const *name, void *data) {
3466   __kmp_stg_print_bool(buffer, name, __kmp_display_affinity);
3467 }
3468 static void __kmp_stg_parse_affinity_format(char const *name, char const *value,
3469                                             void *data) {
3470   size_t length = KMP_STRLEN(value);
3471   __kmp_strncpy_truncate(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, value,
3472                          length);
3473 }
3474 static void __kmp_stg_print_affinity_format(kmp_str_buf_t *buffer,
3475                                             char const *name, void *data) {
3476   if (__kmp_env_format) {
3477     KMP_STR_BUF_PRINT_NAME_EX(name);
3478   } else {
3479     __kmp_str_buf_print(buffer, "   %s='", name);
3480   }
3481   __kmp_str_buf_print(buffer, "%s'\n", __kmp_affinity_format);
3482 }
3483 
3484 /*-----------------------------------------------------------------------------
3485 OMP_ALLOCATOR sets default allocator. Here is the grammar:
3486 
3487 <allocator>        |= <predef-allocator> | <predef-mem-space> |
3488                       <predef-mem-space>:<traits>
3489 <traits>           |= <trait>=<value> | <trait>=<value>,<traits>
3490 <predef-allocator> |= omp_default_mem_alloc | omp_large_cap_mem_alloc |
3491                       omp_const_mem_alloc | omp_high_bw_mem_alloc |
3492                       omp_low_lat_mem_alloc | omp_cgroup_mem_alloc |
3493                       omp_pteam_mem_alloc | omp_thread_mem_alloc
3494 <predef-mem-space> |= omp_default_mem_space | omp_large_cap_mem_space |
3495                       omp_const_mem_space | omp_high_bw_mem_space |
3496                       omp_low_lat_mem_space
3497 <trait>            |= sync_hint | alignment | access | pool_size | fallback |
3498                       fb_data | pinned | partition
3499 <value>            |= one of the allowed values of trait |
3500                       non-negative integer | <predef-allocator>
3501 -----------------------------------------------------------------------------*/
3502 
3503 static void __kmp_stg_parse_allocator(char const *name, char const *value,
3504                                       void *data) {
3505   const char *buf = value;
3506   const char *next, *scan, *start;
3507   char *key;
3508   omp_allocator_handle_t al;
3509   omp_memspace_handle_t ms = omp_default_mem_space;
3510   bool is_memspace = false;
3511   int ntraits = 0, count = 0;
3512 
3513   SKIP_WS(buf);
3514   next = buf;
3515   const char *delim = strchr(buf, ':');
3516   const char *predef_mem_space = strstr(buf, "mem_space");
3517 
3518   bool is_memalloc = (!predef_mem_space && !delim) ? true : false;
3519 
3520   // Count the number of traits in the env var string
3521   if (delim) {
3522     ntraits = 1;
3523     for (scan = buf; *scan != '\0'; scan++) {
3524       if (*scan == ',')
3525         ntraits++;
3526     }
3527   }
3528   omp_alloctrait_t *traits =
3529       (omp_alloctrait_t *)KMP_ALLOCA(ntraits * sizeof(omp_alloctrait_t));
3530 
3531 // Helper macros
3532 #define IS_POWER_OF_TWO(n) (((n) & ((n)-1)) == 0)
3533 
3534 #define GET_NEXT(sentinel)                                                     \
3535   {                                                                            \
3536     SKIP_WS(next);                                                             \
3537     if (*next == sentinel)                                                     \
3538       next++;                                                                  \
3539     SKIP_WS(next);                                                             \
3540     scan = next;                                                               \
3541   }
3542 
3543 #define SKIP_PAIR(key)                                                         \
3544   {                                                                            \
3545     char const str_delimiter[] = {',', 0};                                     \
3546     char *value = __kmp_str_token(CCAST(char *, scan), str_delimiter,          \
3547                                   CCAST(char **, &next));                      \
3548     KMP_WARNING(StgInvalidValue, key, value);                                  \
3549     ntraits--;                                                                 \
3550     SKIP_WS(next);                                                             \
3551     scan = next;                                                               \
3552   }
3553 
3554 #define SET_KEY()                                                              \
3555   {                                                                            \
3556     char const str_delimiter[] = {'=', 0};                                     \
3557     key = __kmp_str_token(CCAST(char *, start), str_delimiter,                 \
3558                           CCAST(char **, &next));                              \
3559     scan = next;                                                               \
3560   }
3561 
3562   scan = next;
3563   while (*next != '\0') {
3564     if (is_memalloc ||
3565         __kmp_match_str("fb_data", scan, &next)) { // allocator check
3566       start = scan;
3567       GET_NEXT('=');
3568       // check HBW and LCAP first as the only non-default supported
3569       if (__kmp_match_str("omp_high_bw_mem_alloc", scan, &next)) {
3570         SKIP_WS(next);
3571         if (is_memalloc) {
3572           if (__kmp_memkind_available) {
3573             __kmp_def_allocator = omp_high_bw_mem_alloc;
3574             return;
3575           } else {
3576             KMP_WARNING(OmpNoAllocator, "omp_high_bw_mem_alloc");
3577           }
3578         } else {
3579           traits[count].key = omp_atk_fb_data;
3580           traits[count].value = RCAST(omp_uintptr_t, omp_high_bw_mem_alloc);
3581         }
3582       } else if (__kmp_match_str("omp_large_cap_mem_alloc", scan, &next)) {
3583         SKIP_WS(next);
3584         if (is_memalloc) {
3585           if (__kmp_memkind_available) {
3586             __kmp_def_allocator = omp_large_cap_mem_alloc;
3587             return;
3588           } else {
3589             KMP_WARNING(OmpNoAllocator, "omp_large_cap_mem_alloc");
3590           }
3591         } else {
3592           traits[count].key = omp_atk_fb_data;
3593           traits[count].value = RCAST(omp_uintptr_t, omp_large_cap_mem_alloc);
3594         }
3595       } else if (__kmp_match_str("omp_default_mem_alloc", scan, &next)) {
3596         // default requested
3597         SKIP_WS(next);
3598         if (!is_memalloc) {
3599           traits[count].key = omp_atk_fb_data;
3600           traits[count].value = RCAST(omp_uintptr_t, omp_default_mem_alloc);
3601         }
3602       } else if (__kmp_match_str("omp_const_mem_alloc", scan, &next)) {
3603         SKIP_WS(next);
3604         if (is_memalloc) {
3605           KMP_WARNING(OmpNoAllocator, "omp_const_mem_alloc");
3606         } else {
3607           traits[count].key = omp_atk_fb_data;
3608           traits[count].value = RCAST(omp_uintptr_t, omp_const_mem_alloc);
3609         }
3610       } else if (__kmp_match_str("omp_low_lat_mem_alloc", scan, &next)) {
3611         SKIP_WS(next);
3612         if (is_memalloc) {
3613           KMP_WARNING(OmpNoAllocator, "omp_low_lat_mem_alloc");
3614         } else {
3615           traits[count].key = omp_atk_fb_data;
3616           traits[count].value = RCAST(omp_uintptr_t, omp_low_lat_mem_alloc);
3617         }
3618       } else if (__kmp_match_str("omp_cgroup_mem_alloc", scan, &next)) {
3619         SKIP_WS(next);
3620         if (is_memalloc) {
3621           KMP_WARNING(OmpNoAllocator, "omp_cgroup_mem_alloc");
3622         } else {
3623           traits[count].key = omp_atk_fb_data;
3624           traits[count].value = RCAST(omp_uintptr_t, omp_cgroup_mem_alloc);
3625         }
3626       } else if (__kmp_match_str("omp_pteam_mem_alloc", scan, &next)) {
3627         SKIP_WS(next);
3628         if (is_memalloc) {
3629           KMP_WARNING(OmpNoAllocator, "omp_pteam_mem_alloc");
3630         } else {
3631           traits[count].key = omp_atk_fb_data;
3632           traits[count].value = RCAST(omp_uintptr_t, omp_pteam_mem_alloc);
3633         }
3634       } else if (__kmp_match_str("omp_thread_mem_alloc", scan, &next)) {
3635         SKIP_WS(next);
3636         if (is_memalloc) {
3637           KMP_WARNING(OmpNoAllocator, "omp_thread_mem_alloc");
3638         } else {
3639           traits[count].key = omp_atk_fb_data;
3640           traits[count].value = RCAST(omp_uintptr_t, omp_thread_mem_alloc);
3641         }
3642       } else {
3643         if (!is_memalloc) {
3644           SET_KEY();
3645           SKIP_PAIR(key);
3646           continue;
3647         }
3648       }
3649       if (is_memalloc) {
3650         __kmp_def_allocator = omp_default_mem_alloc;
3651         if (next == buf || *next != '\0') {
3652           // either no match or extra symbols present after the matched token
3653           KMP_WARNING(StgInvalidValue, name, value);
3654         }
3655         return;
3656       } else {
3657         ++count;
3658         if (count == ntraits)
3659           break;
3660         GET_NEXT(',');
3661       }
3662     } else { // memspace
3663       if (!is_memspace) {
3664         if (__kmp_match_str("omp_default_mem_space", scan, &next)) {
3665           SKIP_WS(next);
3666           ms = omp_default_mem_space;
3667         } else if (__kmp_match_str("omp_large_cap_mem_space", scan, &next)) {
3668           SKIP_WS(next);
3669           ms = omp_large_cap_mem_space;
3670         } else if (__kmp_match_str("omp_const_mem_space", scan, &next)) {
3671           SKIP_WS(next);
3672           ms = omp_const_mem_space;
3673         } else if (__kmp_match_str("omp_high_bw_mem_space", scan, &next)) {
3674           SKIP_WS(next);
3675           ms = omp_high_bw_mem_space;
3676         } else if (__kmp_match_str("omp_low_lat_mem_space", scan, &next)) {
3677           SKIP_WS(next);
3678           ms = omp_low_lat_mem_space;
3679         } else {
3680           __kmp_def_allocator = omp_default_mem_alloc;
3681           if (next == buf || *next != '\0') {
3682             // either no match or extra symbols present after the matched token
3683             KMP_WARNING(StgInvalidValue, name, value);
3684           }
3685           return;
3686         }
3687         is_memspace = true;
3688       }
3689       if (delim) { // traits
3690         GET_NEXT(':');
3691         start = scan;
3692         if (__kmp_match_str("sync_hint", scan, &next)) {
3693           GET_NEXT('=');
3694           traits[count].key = omp_atk_sync_hint;
3695           if (__kmp_match_str("contended", scan, &next)) {
3696             traits[count].value = omp_atv_contended;
3697           } else if (__kmp_match_str("uncontended", scan, &next)) {
3698             traits[count].value = omp_atv_uncontended;
3699           } else if (__kmp_match_str("serialized", scan, &next)) {
3700             traits[count].value = omp_atv_serialized;
3701           } else if (__kmp_match_str("private", scan, &next)) {
3702             traits[count].value = omp_atv_private;
3703           } else {
3704             SET_KEY();
3705             SKIP_PAIR(key);
3706             continue;
3707           }
3708         } else if (__kmp_match_str("alignment", scan, &next)) {
3709           GET_NEXT('=');
3710           if (!isdigit(*next)) {
3711             SET_KEY();
3712             SKIP_PAIR(key);
3713             continue;
3714           }
3715           SKIP_DIGITS(next);
3716           int n = __kmp_str_to_int(scan, ',');
3717           if (n < 0 || !IS_POWER_OF_TWO(n)) {
3718             SET_KEY();
3719             SKIP_PAIR(key);
3720             continue;
3721           }
3722           traits[count].key = omp_atk_alignment;
3723           traits[count].value = n;
3724         } else if (__kmp_match_str("access", scan, &next)) {
3725           GET_NEXT('=');
3726           traits[count].key = omp_atk_access;
3727           if (__kmp_match_str("all", scan, &next)) {
3728             traits[count].value = omp_atv_all;
3729           } else if (__kmp_match_str("cgroup", scan, &next)) {
3730             traits[count].value = omp_atv_cgroup;
3731           } else if (__kmp_match_str("pteam", scan, &next)) {
3732             traits[count].value = omp_atv_pteam;
3733           } else if (__kmp_match_str("thread", scan, &next)) {
3734             traits[count].value = omp_atv_thread;
3735           } else {
3736             SET_KEY();
3737             SKIP_PAIR(key);
3738             continue;
3739           }
3740         } else if (__kmp_match_str("pool_size", scan, &next)) {
3741           GET_NEXT('=');
3742           if (!isdigit(*next)) {
3743             SET_KEY();
3744             SKIP_PAIR(key);
3745             continue;
3746           }
3747           SKIP_DIGITS(next);
3748           int n = __kmp_str_to_int(scan, ',');
3749           if (n < 0) {
3750             SET_KEY();
3751             SKIP_PAIR(key);
3752             continue;
3753           }
3754           traits[count].key = omp_atk_pool_size;
3755           traits[count].value = n;
3756         } else if (__kmp_match_str("fallback", scan, &next)) {
3757           GET_NEXT('=');
3758           traits[count].key = omp_atk_fallback;
3759           if (__kmp_match_str("default_mem_fb", scan, &next)) {
3760             traits[count].value = omp_atv_default_mem_fb;
3761           } else if (__kmp_match_str("null_fb", scan, &next)) {
3762             traits[count].value = omp_atv_null_fb;
3763           } else if (__kmp_match_str("abort_fb", scan, &next)) {
3764             traits[count].value = omp_atv_abort_fb;
3765           } else if (__kmp_match_str("allocator_fb", scan, &next)) {
3766             traits[count].value = omp_atv_allocator_fb;
3767           } else {
3768             SET_KEY();
3769             SKIP_PAIR(key);
3770             continue;
3771           }
3772         } else if (__kmp_match_str("pinned", scan, &next)) {
3773           GET_NEXT('=');
3774           traits[count].key = omp_atk_pinned;
3775           if (__kmp_str_match_true(next)) {
3776             traits[count].value = omp_atv_true;
3777           } else if (__kmp_str_match_false(next)) {
3778             traits[count].value = omp_atv_false;
3779           } else {
3780             SET_KEY();
3781             SKIP_PAIR(key);
3782             continue;
3783           }
3784         } else if (__kmp_match_str("partition", scan, &next)) {
3785           GET_NEXT('=');
3786           traits[count].key = omp_atk_partition;
3787           if (__kmp_match_str("environment", scan, &next)) {
3788             traits[count].value = omp_atv_environment;
3789           } else if (__kmp_match_str("nearest", scan, &next)) {
3790             traits[count].value = omp_atv_nearest;
3791           } else if (__kmp_match_str("blocked", scan, &next)) {
3792             traits[count].value = omp_atv_blocked;
3793           } else if (__kmp_match_str("interleaved", scan, &next)) {
3794             traits[count].value = omp_atv_interleaved;
3795           } else {
3796             SET_KEY();
3797             SKIP_PAIR(key);
3798             continue;
3799           }
3800         } else {
3801           SET_KEY();
3802           SKIP_PAIR(key);
3803           continue;
3804         }
3805         SKIP_WS(next);
3806         ++count;
3807         if (count == ntraits)
3808           break;
3809         GET_NEXT(',');
3810       } // traits
3811     } // memspace
3812   } // while
3813   al = __kmpc_init_allocator(__kmp_get_gtid(), ms, ntraits, traits);
3814   __kmp_def_allocator = (al == omp_null_allocator) ? omp_default_mem_alloc : al;
3815 }
3816 
3817 static void __kmp_stg_print_allocator(kmp_str_buf_t *buffer, char const *name,
3818                                       void *data) {
3819   if (__kmp_def_allocator == omp_default_mem_alloc) {
3820     __kmp_stg_print_str(buffer, name, "omp_default_mem_alloc");
3821   } else if (__kmp_def_allocator == omp_high_bw_mem_alloc) {
3822     __kmp_stg_print_str(buffer, name, "omp_high_bw_mem_alloc");
3823   } else if (__kmp_def_allocator == omp_large_cap_mem_alloc) {
3824     __kmp_stg_print_str(buffer, name, "omp_large_cap_mem_alloc");
3825   } else if (__kmp_def_allocator == omp_const_mem_alloc) {
3826     __kmp_stg_print_str(buffer, name, "omp_const_mem_alloc");
3827   } else if (__kmp_def_allocator == omp_low_lat_mem_alloc) {
3828     __kmp_stg_print_str(buffer, name, "omp_low_lat_mem_alloc");
3829   } else if (__kmp_def_allocator == omp_cgroup_mem_alloc) {
3830     __kmp_stg_print_str(buffer, name, "omp_cgroup_mem_alloc");
3831   } else if (__kmp_def_allocator == omp_pteam_mem_alloc) {
3832     __kmp_stg_print_str(buffer, name, "omp_pteam_mem_alloc");
3833   } else if (__kmp_def_allocator == omp_thread_mem_alloc) {
3834     __kmp_stg_print_str(buffer, name, "omp_thread_mem_alloc");
3835   }
3836 }
3837 
3838 // -----------------------------------------------------------------------------
3839 // OMP_DYNAMIC
3840 
3841 static void __kmp_stg_parse_omp_dynamic(char const *name, char const *value,
3842                                         void *data) {
3843   __kmp_stg_parse_bool(name, value, &(__kmp_global.g.g_dynamic));
3844 } // __kmp_stg_parse_omp_dynamic
3845 
3846 static void __kmp_stg_print_omp_dynamic(kmp_str_buf_t *buffer, char const *name,
3847                                         void *data) {
3848   __kmp_stg_print_bool(buffer, name, __kmp_global.g.g_dynamic);
3849 } // __kmp_stg_print_omp_dynamic
3850 
3851 static void __kmp_stg_parse_kmp_dynamic_mode(char const *name,
3852                                              char const *value, void *data) {
3853   if (TCR_4(__kmp_init_parallel)) {
3854     KMP_WARNING(EnvParallelWarn, name);
3855     __kmp_env_toPrint(name, 0);
3856     return;
3857   }
3858 #ifdef USE_LOAD_BALANCE
3859   else if (__kmp_str_match("load balance", 2, value) ||
3860            __kmp_str_match("load_balance", 2, value) ||
3861            __kmp_str_match("load-balance", 2, value) ||
3862            __kmp_str_match("loadbalance", 2, value) ||
3863            __kmp_str_match("balance", 1, value)) {
3864     __kmp_global.g.g_dynamic_mode = dynamic_load_balance;
3865   }
3866 #endif /* USE_LOAD_BALANCE */
3867   else if (__kmp_str_match("thread limit", 1, value) ||
3868            __kmp_str_match("thread_limit", 1, value) ||
3869            __kmp_str_match("thread-limit", 1, value) ||
3870            __kmp_str_match("threadlimit", 1, value) ||
3871            __kmp_str_match("limit", 2, value)) {
3872     __kmp_global.g.g_dynamic_mode = dynamic_thread_limit;
3873   } else if (__kmp_str_match("random", 1, value)) {
3874     __kmp_global.g.g_dynamic_mode = dynamic_random;
3875   } else {
3876     KMP_WARNING(StgInvalidValue, name, value);
3877   }
3878 } //__kmp_stg_parse_kmp_dynamic_mode
3879 
3880 static void __kmp_stg_print_kmp_dynamic_mode(kmp_str_buf_t *buffer,
3881                                              char const *name, void *data) {
3882 #if KMP_DEBUG
3883   if (__kmp_global.g.g_dynamic_mode == dynamic_default) {
3884     __kmp_str_buf_print(buffer, "   %s: %s \n", name, KMP_I18N_STR(NotDefined));
3885   }
3886 #ifdef USE_LOAD_BALANCE
3887   else if (__kmp_global.g.g_dynamic_mode == dynamic_load_balance) {
3888     __kmp_stg_print_str(buffer, name, "load balance");
3889   }
3890 #endif /* USE_LOAD_BALANCE */
3891   else if (__kmp_global.g.g_dynamic_mode == dynamic_thread_limit) {
3892     __kmp_stg_print_str(buffer, name, "thread limit");
3893   } else if (__kmp_global.g.g_dynamic_mode == dynamic_random) {
3894     __kmp_stg_print_str(buffer, name, "random");
3895   } else {
3896     KMP_ASSERT(0);
3897   }
3898 #endif /* KMP_DEBUG */
3899 } // __kmp_stg_print_kmp_dynamic_mode
3900 
3901 #ifdef USE_LOAD_BALANCE
3902 
3903 // -----------------------------------------------------------------------------
3904 // KMP_LOAD_BALANCE_INTERVAL
3905 
3906 static void __kmp_stg_parse_ld_balance_interval(char const *name,
3907                                                 char const *value, void *data) {
3908   double interval = __kmp_convert_to_double(value);
3909   if (interval >= 0) {
3910     __kmp_load_balance_interval = interval;
3911   } else {
3912     KMP_WARNING(StgInvalidValue, name, value);
3913   }
3914 } // __kmp_stg_parse_load_balance_interval
3915 
3916 static void __kmp_stg_print_ld_balance_interval(kmp_str_buf_t *buffer,
3917                                                 char const *name, void *data) {
3918 #if KMP_DEBUG
3919   __kmp_str_buf_print(buffer, "   %s=%8.6f\n", name,
3920                       __kmp_load_balance_interval);
3921 #endif /* KMP_DEBUG */
3922 } // __kmp_stg_print_load_balance_interval
3923 
3924 #endif /* USE_LOAD_BALANCE */
3925 
3926 // -----------------------------------------------------------------------------
3927 // KMP_INIT_AT_FORK
3928 
3929 static void __kmp_stg_parse_init_at_fork(char const *name, char const *value,
3930                                          void *data) {
3931   __kmp_stg_parse_bool(name, value, &__kmp_need_register_atfork);
3932   if (__kmp_need_register_atfork) {
3933     __kmp_need_register_atfork_specified = TRUE;
3934   }
3935 } // __kmp_stg_parse_init_at_fork
3936 
3937 static void __kmp_stg_print_init_at_fork(kmp_str_buf_t *buffer,
3938                                          char const *name, void *data) {
3939   __kmp_stg_print_bool(buffer, name, __kmp_need_register_atfork_specified);
3940 } // __kmp_stg_print_init_at_fork
3941 
3942 // -----------------------------------------------------------------------------
3943 // KMP_SCHEDULE
3944 
3945 static void __kmp_stg_parse_schedule(char const *name, char const *value,
3946                                      void *data) {
3947 
3948   if (value != NULL) {
3949     size_t length = KMP_STRLEN(value);
3950     if (length > INT_MAX) {
3951       KMP_WARNING(LongValue, name);
3952     } else {
3953       const char *semicolon;
3954       if (value[length - 1] == '"' || value[length - 1] == '\'')
3955         KMP_WARNING(UnbalancedQuotes, name);
3956       do {
3957         char sentinel;
3958 
3959         semicolon = strchr(value, ';');
3960         if (*value && semicolon != value) {
3961           const char *comma = strchr(value, ',');
3962 
3963           if (comma) {
3964             ++comma;
3965             sentinel = ',';
3966           } else
3967             sentinel = ';';
3968           if (!__kmp_strcasecmp_with_sentinel("static", value, sentinel)) {
3969             if (!__kmp_strcasecmp_with_sentinel("greedy", comma, ';')) {
3970               __kmp_static = kmp_sch_static_greedy;
3971               continue;
3972             } else if (!__kmp_strcasecmp_with_sentinel("balanced", comma,
3973                                                        ';')) {
3974               __kmp_static = kmp_sch_static_balanced;
3975               continue;
3976             }
3977           } else if (!__kmp_strcasecmp_with_sentinel("guided", value,
3978                                                      sentinel)) {
3979             if (!__kmp_strcasecmp_with_sentinel("iterative", comma, ';')) {
3980               __kmp_guided = kmp_sch_guided_iterative_chunked;
3981               continue;
3982             } else if (!__kmp_strcasecmp_with_sentinel("analytical", comma,
3983                                                        ';')) {
3984               /* analytical not allowed for too many threads */
3985               __kmp_guided = kmp_sch_guided_analytical_chunked;
3986               continue;
3987             }
3988           }
3989           KMP_WARNING(InvalidClause, name, value);
3990         } else
3991           KMP_WARNING(EmptyClause, name);
3992       } while ((value = semicolon ? semicolon + 1 : NULL));
3993     }
3994   }
3995 
3996 } // __kmp_stg_parse__schedule
3997 
3998 static void __kmp_stg_print_schedule(kmp_str_buf_t *buffer, char const *name,
3999                                      void *data) {
4000   if (__kmp_env_format) {
4001     KMP_STR_BUF_PRINT_NAME_EX(name);
4002   } else {
4003     __kmp_str_buf_print(buffer, "   %s='", name);
4004   }
4005   if (__kmp_static == kmp_sch_static_greedy) {
4006     __kmp_str_buf_print(buffer, "%s", "static,greedy");
4007   } else if (__kmp_static == kmp_sch_static_balanced) {
4008     __kmp_str_buf_print(buffer, "%s", "static,balanced");
4009   }
4010   if (__kmp_guided == kmp_sch_guided_iterative_chunked) {
4011     __kmp_str_buf_print(buffer, ";%s'\n", "guided,iterative");
4012   } else if (__kmp_guided == kmp_sch_guided_analytical_chunked) {
4013     __kmp_str_buf_print(buffer, ";%s'\n", "guided,analytical");
4014   }
4015 } // __kmp_stg_print_schedule
4016 
4017 // -----------------------------------------------------------------------------
4018 // OMP_SCHEDULE
4019 
4020 static inline void __kmp_omp_schedule_restore() {
4021 #if KMP_USE_HIER_SCHED
4022   __kmp_hier_scheds.deallocate();
4023 #endif
4024   __kmp_chunk = 0;
4025   __kmp_sched = kmp_sch_default;
4026 }
4027 
4028 // if parse_hier = true:
4029 //    Parse [HW,][modifier:]kind[,chunk]
4030 // else:
4031 //    Parse [modifier:]kind[,chunk]
4032 static const char *__kmp_parse_single_omp_schedule(const char *name,
4033                                                    const char *value,
4034                                                    bool parse_hier = false) {
4035   /* get the specified scheduling style */
4036   const char *ptr = value;
4037   const char *delim;
4038   int chunk = 0;
4039   enum sched_type sched = kmp_sch_default;
4040   if (*ptr == '\0')
4041     return NULL;
4042   delim = ptr;
4043   while (*delim != ',' && *delim != ':' && *delim != '\0')
4044     delim++;
4045 #if KMP_USE_HIER_SCHED
4046   kmp_hier_layer_e layer = kmp_hier_layer_e::LAYER_THREAD;
4047   if (parse_hier) {
4048     if (*delim == ',') {
4049       if (!__kmp_strcasecmp_with_sentinel("L1", ptr, ',')) {
4050         layer = kmp_hier_layer_e::LAYER_L1;
4051       } else if (!__kmp_strcasecmp_with_sentinel("L2", ptr, ',')) {
4052         layer = kmp_hier_layer_e::LAYER_L2;
4053       } else if (!__kmp_strcasecmp_with_sentinel("L3", ptr, ',')) {
4054         layer = kmp_hier_layer_e::LAYER_L3;
4055       } else if (!__kmp_strcasecmp_with_sentinel("NUMA", ptr, ',')) {
4056         layer = kmp_hier_layer_e::LAYER_NUMA;
4057       }
4058     }
4059     if (layer != kmp_hier_layer_e::LAYER_THREAD && *delim != ',') {
4060       // If there is no comma after the layer, then this schedule is invalid
4061       KMP_WARNING(StgInvalidValue, name, value);
4062       __kmp_omp_schedule_restore();
4063       return NULL;
4064     } else if (layer != kmp_hier_layer_e::LAYER_THREAD) {
4065       ptr = ++delim;
4066       while (*delim != ',' && *delim != ':' && *delim != '\0')
4067         delim++;
4068     }
4069   }
4070 #endif // KMP_USE_HIER_SCHED
4071   // Read in schedule modifier if specified
4072   enum sched_type sched_modifier = (enum sched_type)0;
4073   if (*delim == ':') {
4074     if (!__kmp_strcasecmp_with_sentinel("monotonic", ptr, *delim)) {
4075       sched_modifier = sched_type::kmp_sch_modifier_monotonic;
4076       ptr = ++delim;
4077       while (*delim != ',' && *delim != ':' && *delim != '\0')
4078         delim++;
4079     } else if (!__kmp_strcasecmp_with_sentinel("nonmonotonic", ptr, *delim)) {
4080       sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
4081       ptr = ++delim;
4082       while (*delim != ',' && *delim != ':' && *delim != '\0')
4083         delim++;
4084     } else if (!parse_hier) {
4085       // If there is no proper schedule modifier, then this schedule is invalid
4086       KMP_WARNING(StgInvalidValue, name, value);
4087       __kmp_omp_schedule_restore();
4088       return NULL;
4089     }
4090   }
4091   // Read in schedule kind (required)
4092   if (!__kmp_strcasecmp_with_sentinel("dynamic", ptr, *delim))
4093     sched = kmp_sch_dynamic_chunked;
4094   else if (!__kmp_strcasecmp_with_sentinel("guided", ptr, *delim))
4095     sched = kmp_sch_guided_chunked;
4096   // AC: TODO: probably remove TRAPEZOIDAL (OMP 3.0 does not allow it)
4097   else if (!__kmp_strcasecmp_with_sentinel("auto", ptr, *delim))
4098     sched = kmp_sch_auto;
4099   else if (!__kmp_strcasecmp_with_sentinel("trapezoidal", ptr, *delim))
4100     sched = kmp_sch_trapezoidal;
4101   else if (!__kmp_strcasecmp_with_sentinel("static", ptr, *delim))
4102     sched = kmp_sch_static;
4103 #if KMP_STATIC_STEAL_ENABLED
4104   else if (!__kmp_strcasecmp_with_sentinel("static_steal", ptr, *delim)) {
4105     // replace static_steal with dynamic to better cope with ordered loops
4106     sched = kmp_sch_dynamic_chunked;
4107     sched_modifier = sched_type::kmp_sch_modifier_nonmonotonic;
4108   }
4109 #endif
4110   else {
4111     // If there is no proper schedule kind, then this schedule is invalid
4112     KMP_WARNING(StgInvalidValue, name, value);
4113     __kmp_omp_schedule_restore();
4114     return NULL;
4115   }
4116 
4117   // Read in schedule chunk size if specified
4118   if (*delim == ',') {
4119     ptr = delim + 1;
4120     SKIP_WS(ptr);
4121     if (!isdigit(*ptr)) {
4122       // If there is no chunk after comma, then this schedule is invalid
4123       KMP_WARNING(StgInvalidValue, name, value);
4124       __kmp_omp_schedule_restore();
4125       return NULL;
4126     }
4127     SKIP_DIGITS(ptr);
4128     // auto schedule should not specify chunk size
4129     if (sched == kmp_sch_auto) {
4130       __kmp_msg(kmp_ms_warning, KMP_MSG(IgnoreChunk, name, delim),
4131                 __kmp_msg_null);
4132     } else {
4133       if (sched == kmp_sch_static)
4134         sched = kmp_sch_static_chunked;
4135       chunk = __kmp_str_to_int(delim + 1, *ptr);
4136       if (chunk < 1) {
4137         chunk = KMP_DEFAULT_CHUNK;
4138         __kmp_msg(kmp_ms_warning, KMP_MSG(InvalidChunk, name, delim),
4139                   __kmp_msg_null);
4140         KMP_INFORM(Using_int_Value, name, __kmp_chunk);
4141         // AC: next block commented out until KMP_DEFAULT_CHUNK != KMP_MIN_CHUNK
4142         // (to improve code coverage :)
4143         // The default chunk size is 1 according to standard, thus making
4144         // KMP_MIN_CHUNK not 1 we would introduce mess:
4145         // wrong chunk becomes 1, but it will be impossible to explicitly set
4146         // to 1 because it becomes KMP_MIN_CHUNK...
4147         // } else if ( chunk < KMP_MIN_CHUNK ) {
4148         //   chunk = KMP_MIN_CHUNK;
4149       } else if (chunk > KMP_MAX_CHUNK) {
4150         chunk = KMP_MAX_CHUNK;
4151         __kmp_msg(kmp_ms_warning, KMP_MSG(LargeChunk, name, delim),
4152                   __kmp_msg_null);
4153         KMP_INFORM(Using_int_Value, name, chunk);
4154       }
4155     }
4156   } else {
4157     ptr = delim;
4158   }
4159 
4160   SCHEDULE_SET_MODIFIERS(sched, sched_modifier);
4161 
4162 #if KMP_USE_HIER_SCHED
4163   if (layer != kmp_hier_layer_e::LAYER_THREAD) {
4164     __kmp_hier_scheds.append(sched, chunk, layer);
4165   } else
4166 #endif
4167   {
4168     __kmp_chunk = chunk;
4169     __kmp_sched = sched;
4170   }
4171   return ptr;
4172 }
4173 
4174 static void __kmp_stg_parse_omp_schedule(char const *name, char const *value,
4175                                          void *data) {
4176   size_t length;
4177   const char *ptr = value;
4178   SKIP_WS(ptr);
4179   if (value) {
4180     length = KMP_STRLEN(value);
4181     if (length) {
4182       if (value[length - 1] == '"' || value[length - 1] == '\'')
4183         KMP_WARNING(UnbalancedQuotes, name);
4184 /* get the specified scheduling style */
4185 #if KMP_USE_HIER_SCHED
4186       if (!__kmp_strcasecmp_with_sentinel("EXPERIMENTAL", ptr, ' ')) {
4187         SKIP_TOKEN(ptr);
4188         SKIP_WS(ptr);
4189         while ((ptr = __kmp_parse_single_omp_schedule(name, ptr, true))) {
4190           while (*ptr == ' ' || *ptr == '\t' || *ptr == ':')
4191             ptr++;
4192           if (*ptr == '\0')
4193             break;
4194         }
4195       } else
4196 #endif
4197         __kmp_parse_single_omp_schedule(name, ptr);
4198     } else
4199       KMP_WARNING(EmptyString, name);
4200   }
4201 #if KMP_USE_HIER_SCHED
4202   __kmp_hier_scheds.sort();
4203 #endif
4204   K_DIAG(1, ("__kmp_static == %d\n", __kmp_static))
4205   K_DIAG(1, ("__kmp_guided == %d\n", __kmp_guided))
4206   K_DIAG(1, ("__kmp_sched == %d\n", __kmp_sched))
4207   K_DIAG(1, ("__kmp_chunk == %d\n", __kmp_chunk))
4208 } // __kmp_stg_parse_omp_schedule
4209 
4210 static void __kmp_stg_print_omp_schedule(kmp_str_buf_t *buffer,
4211                                          char const *name, void *data) {
4212   if (__kmp_env_format) {
4213     KMP_STR_BUF_PRINT_NAME_EX(name);
4214   } else {
4215     __kmp_str_buf_print(buffer, "   %s='", name);
4216   }
4217   enum sched_type sched = SCHEDULE_WITHOUT_MODIFIERS(__kmp_sched);
4218   if (SCHEDULE_HAS_MONOTONIC(__kmp_sched)) {
4219     __kmp_str_buf_print(buffer, "monotonic:");
4220   } else if (SCHEDULE_HAS_NONMONOTONIC(__kmp_sched)) {
4221     __kmp_str_buf_print(buffer, "nonmonotonic:");
4222   }
4223   if (__kmp_chunk) {
4224     switch (sched) {
4225     case kmp_sch_dynamic_chunked:
4226       __kmp_str_buf_print(buffer, "%s,%d'\n", "dynamic", __kmp_chunk);
4227       break;
4228     case kmp_sch_guided_iterative_chunked:
4229     case kmp_sch_guided_analytical_chunked:
4230       __kmp_str_buf_print(buffer, "%s,%d'\n", "guided", __kmp_chunk);
4231       break;
4232     case kmp_sch_trapezoidal:
4233       __kmp_str_buf_print(buffer, "%s,%d'\n", "trapezoidal", __kmp_chunk);
4234       break;
4235     case kmp_sch_static:
4236     case kmp_sch_static_chunked:
4237     case kmp_sch_static_balanced:
4238     case kmp_sch_static_greedy:
4239       __kmp_str_buf_print(buffer, "%s,%d'\n", "static", __kmp_chunk);
4240       break;
4241     case kmp_sch_static_steal:
4242       __kmp_str_buf_print(buffer, "%s,%d'\n", "static_steal", __kmp_chunk);
4243       break;
4244     case kmp_sch_auto:
4245       __kmp_str_buf_print(buffer, "%s,%d'\n", "auto", __kmp_chunk);
4246       break;
4247     }
4248   } else {
4249     switch (sched) {
4250     case kmp_sch_dynamic_chunked:
4251       __kmp_str_buf_print(buffer, "%s'\n", "dynamic");
4252       break;
4253     case kmp_sch_guided_iterative_chunked:
4254     case kmp_sch_guided_analytical_chunked:
4255       __kmp_str_buf_print(buffer, "%s'\n", "guided");
4256       break;
4257     case kmp_sch_trapezoidal:
4258       __kmp_str_buf_print(buffer, "%s'\n", "trapezoidal");
4259       break;
4260     case kmp_sch_static:
4261     case kmp_sch_static_chunked:
4262     case kmp_sch_static_balanced:
4263     case kmp_sch_static_greedy:
4264       __kmp_str_buf_print(buffer, "%s'\n", "static");
4265       break;
4266     case kmp_sch_static_steal:
4267       __kmp_str_buf_print(buffer, "%s'\n", "static_steal");
4268       break;
4269     case kmp_sch_auto:
4270       __kmp_str_buf_print(buffer, "%s'\n", "auto");
4271       break;
4272     }
4273   }
4274 } // __kmp_stg_print_omp_schedule
4275 
4276 #if KMP_USE_HIER_SCHED
4277 // -----------------------------------------------------------------------------
4278 // KMP_DISP_HAND_THREAD
4279 static void __kmp_stg_parse_kmp_hand_thread(char const *name, char const *value,
4280                                             void *data) {
4281   __kmp_stg_parse_bool(name, value, &(__kmp_dispatch_hand_threading));
4282 } // __kmp_stg_parse_kmp_hand_thread
4283 
4284 static void __kmp_stg_print_kmp_hand_thread(kmp_str_buf_t *buffer,
4285                                             char const *name, void *data) {
4286   __kmp_stg_print_bool(buffer, name, __kmp_dispatch_hand_threading);
4287 } // __kmp_stg_print_kmp_hand_thread
4288 #endif
4289 
4290 // -----------------------------------------------------------------------------
4291 // KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE
4292 static void __kmp_stg_parse_kmp_force_monotonic(char const *name,
4293                                                 char const *value, void *data) {
4294   __kmp_stg_parse_bool(name, value, &(__kmp_force_monotonic));
4295 } // __kmp_stg_parse_kmp_force_monotonic
4296 
4297 static void __kmp_stg_print_kmp_force_monotonic(kmp_str_buf_t *buffer,
4298                                                 char const *name, void *data) {
4299   __kmp_stg_print_bool(buffer, name, __kmp_force_monotonic);
4300 } // __kmp_stg_print_kmp_force_monotonic
4301 
4302 // -----------------------------------------------------------------------------
4303 // KMP_ATOMIC_MODE
4304 
4305 static void __kmp_stg_parse_atomic_mode(char const *name, char const *value,
4306                                         void *data) {
4307   // Modes: 0 -- do not change default; 1 -- Intel perf mode, 2 -- GOMP
4308   // compatibility mode.
4309   int mode = 0;
4310   int max = 1;
4311 #ifdef KMP_GOMP_COMPAT
4312   max = 2;
4313 #endif /* KMP_GOMP_COMPAT */
4314   __kmp_stg_parse_int(name, value, 0, max, &mode);
4315   // TODO; parse_int is not very suitable for this case. In case of overflow it
4316   // is better to use
4317   // 0 rather that max value.
4318   if (mode > 0) {
4319     __kmp_atomic_mode = mode;
4320   }
4321 } // __kmp_stg_parse_atomic_mode
4322 
4323 static void __kmp_stg_print_atomic_mode(kmp_str_buf_t *buffer, char const *name,
4324                                         void *data) {
4325   __kmp_stg_print_int(buffer, name, __kmp_atomic_mode);
4326 } // __kmp_stg_print_atomic_mode
4327 
4328 // -----------------------------------------------------------------------------
4329 // KMP_CONSISTENCY_CHECK
4330 
4331 static void __kmp_stg_parse_consistency_check(char const *name,
4332                                               char const *value, void *data) {
4333   if (!__kmp_strcasecmp_with_sentinel("all", value, 0)) {
4334     // Note, this will not work from kmp_set_defaults because th_cons stack was
4335     // not allocated
4336     // for existed thread(s) thus the first __kmp_push_<construct> will break
4337     // with assertion.
4338     // TODO: allocate th_cons if called from kmp_set_defaults.
4339     __kmp_env_consistency_check = TRUE;
4340   } else if (!__kmp_strcasecmp_with_sentinel("none", value, 0)) {
4341     __kmp_env_consistency_check = FALSE;
4342   } else {
4343     KMP_WARNING(StgInvalidValue, name, value);
4344   }
4345 } // __kmp_stg_parse_consistency_check
4346 
4347 static void __kmp_stg_print_consistency_check(kmp_str_buf_t *buffer,
4348                                               char const *name, void *data) {
4349 #if KMP_DEBUG
4350   const char *value = NULL;
4351 
4352   if (__kmp_env_consistency_check) {
4353     value = "all";
4354   } else {
4355     value = "none";
4356   }
4357 
4358   if (value != NULL) {
4359     __kmp_stg_print_str(buffer, name, value);
4360   }
4361 #endif /* KMP_DEBUG */
4362 } // __kmp_stg_print_consistency_check
4363 
4364 #if USE_ITT_BUILD
4365 // -----------------------------------------------------------------------------
4366 // KMP_ITT_PREPARE_DELAY
4367 
4368 #if USE_ITT_NOTIFY
4369 
4370 static void __kmp_stg_parse_itt_prepare_delay(char const *name,
4371                                               char const *value, void *data) {
4372   // Experimental code: KMP_ITT_PREPARE_DELAY specifies numbert of loop
4373   // iterations.
4374   int delay = 0;
4375   __kmp_stg_parse_int(name, value, 0, INT_MAX, &delay);
4376   __kmp_itt_prepare_delay = delay;
4377 } // __kmp_str_parse_itt_prepare_delay
4378 
4379 static void __kmp_stg_print_itt_prepare_delay(kmp_str_buf_t *buffer,
4380                                               char const *name, void *data) {
4381   __kmp_stg_print_uint64(buffer, name, __kmp_itt_prepare_delay);
4382 
4383 } // __kmp_str_print_itt_prepare_delay
4384 
4385 #endif // USE_ITT_NOTIFY
4386 #endif /* USE_ITT_BUILD */
4387 
4388 // -----------------------------------------------------------------------------
4389 // KMP_MALLOC_POOL_INCR
4390 
4391 static void __kmp_stg_parse_malloc_pool_incr(char const *name,
4392                                              char const *value, void *data) {
4393   __kmp_stg_parse_size(name, value, KMP_MIN_MALLOC_POOL_INCR,
4394                        KMP_MAX_MALLOC_POOL_INCR, NULL, &__kmp_malloc_pool_incr,
4395                        1);
4396 } // __kmp_stg_parse_malloc_pool_incr
4397 
4398 static void __kmp_stg_print_malloc_pool_incr(kmp_str_buf_t *buffer,
4399                                              char const *name, void *data) {
4400   __kmp_stg_print_size(buffer, name, __kmp_malloc_pool_incr);
4401 
4402 } // _kmp_stg_print_malloc_pool_incr
4403 
4404 #ifdef KMP_DEBUG
4405 
4406 // -----------------------------------------------------------------------------
4407 // KMP_PAR_RANGE
4408 
4409 static void __kmp_stg_parse_par_range_env(char const *name, char const *value,
4410                                           void *data) {
4411   __kmp_stg_parse_par_range(name, value, &__kmp_par_range,
4412                             __kmp_par_range_routine, __kmp_par_range_filename,
4413                             &__kmp_par_range_lb, &__kmp_par_range_ub);
4414 } // __kmp_stg_parse_par_range_env
4415 
4416 static void __kmp_stg_print_par_range_env(kmp_str_buf_t *buffer,
4417                                           char const *name, void *data) {
4418   if (__kmp_par_range != 0) {
4419     __kmp_stg_print_str(buffer, name, par_range_to_print);
4420   }
4421 } // __kmp_stg_print_par_range_env
4422 
4423 #endif
4424 
4425 // -----------------------------------------------------------------------------
4426 // KMP_GTID_MODE
4427 
4428 static void __kmp_stg_parse_gtid_mode(char const *name, char const *value,
4429                                       void *data) {
4430   // Modes:
4431   //   0 -- do not change default
4432   //   1 -- sp search
4433   //   2 -- use "keyed" TLS var, i.e.
4434   //        pthread_getspecific(Linux* OS/OS X*) or TlsGetValue(Windows* OS)
4435   //   3 -- __declspec(thread) TLS var in tdata section
4436   int mode = 0;
4437   int max = 2;
4438 #ifdef KMP_TDATA_GTID
4439   max = 3;
4440 #endif /* KMP_TDATA_GTID */
4441   __kmp_stg_parse_int(name, value, 0, max, &mode);
4442   // TODO; parse_int is not very suitable for this case. In case of overflow it
4443   // is better to use 0 rather that max value.
4444   if (mode == 0) {
4445     __kmp_adjust_gtid_mode = TRUE;
4446   } else {
4447     __kmp_gtid_mode = mode;
4448     __kmp_adjust_gtid_mode = FALSE;
4449   }
4450 } // __kmp_str_parse_gtid_mode
4451 
4452 static void __kmp_stg_print_gtid_mode(kmp_str_buf_t *buffer, char const *name,
4453                                       void *data) {
4454   if (__kmp_adjust_gtid_mode) {
4455     __kmp_stg_print_int(buffer, name, 0);
4456   } else {
4457     __kmp_stg_print_int(buffer, name, __kmp_gtid_mode);
4458   }
4459 } // __kmp_stg_print_gtid_mode
4460 
4461 // -----------------------------------------------------------------------------
4462 // KMP_NUM_LOCKS_IN_BLOCK
4463 
4464 static void __kmp_stg_parse_lock_block(char const *name, char const *value,
4465                                        void *data) {
4466   __kmp_stg_parse_int(name, value, 0, KMP_INT_MAX, &__kmp_num_locks_in_block);
4467 } // __kmp_str_parse_lock_block
4468 
4469 static void __kmp_stg_print_lock_block(kmp_str_buf_t *buffer, char const *name,
4470                                        void *data) {
4471   __kmp_stg_print_int(buffer, name, __kmp_num_locks_in_block);
4472 } // __kmp_stg_print_lock_block
4473 
4474 // -----------------------------------------------------------------------------
4475 // KMP_LOCK_KIND
4476 
4477 #if KMP_USE_DYNAMIC_LOCK
4478 #define KMP_STORE_LOCK_SEQ(a) (__kmp_user_lock_seq = lockseq_##a)
4479 #else
4480 #define KMP_STORE_LOCK_SEQ(a)
4481 #endif
4482 
4483 static void __kmp_stg_parse_lock_kind(char const *name, char const *value,
4484                                       void *data) {
4485   if (__kmp_init_user_locks) {
4486     KMP_WARNING(EnvLockWarn, name);
4487     return;
4488   }
4489 
4490   if (__kmp_str_match("tas", 2, value) ||
4491       __kmp_str_match("test and set", 2, value) ||
4492       __kmp_str_match("test_and_set", 2, value) ||
4493       __kmp_str_match("test-and-set", 2, value) ||
4494       __kmp_str_match("test andset", 2, value) ||
4495       __kmp_str_match("test_andset", 2, value) ||
4496       __kmp_str_match("test-andset", 2, value) ||
4497       __kmp_str_match("testand set", 2, value) ||
4498       __kmp_str_match("testand_set", 2, value) ||
4499       __kmp_str_match("testand-set", 2, value) ||
4500       __kmp_str_match("testandset", 2, value)) {
4501     __kmp_user_lock_kind = lk_tas;
4502     KMP_STORE_LOCK_SEQ(tas);
4503   }
4504 #if KMP_USE_FUTEX
4505   else if (__kmp_str_match("futex", 1, value)) {
4506     if (__kmp_futex_determine_capable()) {
4507       __kmp_user_lock_kind = lk_futex;
4508       KMP_STORE_LOCK_SEQ(futex);
4509     } else {
4510       KMP_WARNING(FutexNotSupported, name, value);
4511     }
4512   }
4513 #endif
4514   else if (__kmp_str_match("ticket", 2, value)) {
4515     __kmp_user_lock_kind = lk_ticket;
4516     KMP_STORE_LOCK_SEQ(ticket);
4517   } else if (__kmp_str_match("queuing", 1, value) ||
4518              __kmp_str_match("queue", 1, value)) {
4519     __kmp_user_lock_kind = lk_queuing;
4520     KMP_STORE_LOCK_SEQ(queuing);
4521   } else if (__kmp_str_match("drdpa ticket", 1, value) ||
4522              __kmp_str_match("drdpa_ticket", 1, value) ||
4523              __kmp_str_match("drdpa-ticket", 1, value) ||
4524              __kmp_str_match("drdpaticket", 1, value) ||
4525              __kmp_str_match("drdpa", 1, value)) {
4526     __kmp_user_lock_kind = lk_drdpa;
4527     KMP_STORE_LOCK_SEQ(drdpa);
4528   }
4529 #if KMP_USE_ADAPTIVE_LOCKS
4530   else if (__kmp_str_match("adaptive", 1, value)) {
4531     if (__kmp_cpuinfo.flags.rtm) { // ??? Is cpuinfo available here?
4532       __kmp_user_lock_kind = lk_adaptive;
4533       KMP_STORE_LOCK_SEQ(adaptive);
4534     } else {
4535       KMP_WARNING(AdaptiveNotSupported, name, value);
4536       __kmp_user_lock_kind = lk_queuing;
4537       KMP_STORE_LOCK_SEQ(queuing);
4538     }
4539   }
4540 #endif // KMP_USE_ADAPTIVE_LOCKS
4541 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4542   else if (__kmp_str_match("rtm_queuing", 1, value)) {
4543     if (__kmp_cpuinfo.flags.rtm) {
4544       __kmp_user_lock_kind = lk_rtm_queuing;
4545       KMP_STORE_LOCK_SEQ(rtm_queuing);
4546     } else {
4547       KMP_WARNING(AdaptiveNotSupported, name, value);
4548       __kmp_user_lock_kind = lk_queuing;
4549       KMP_STORE_LOCK_SEQ(queuing);
4550     }
4551   } else if (__kmp_str_match("rtm_spin", 1, value)) {
4552     if (__kmp_cpuinfo.flags.rtm) {
4553       __kmp_user_lock_kind = lk_rtm_spin;
4554       KMP_STORE_LOCK_SEQ(rtm_spin);
4555     } else {
4556       KMP_WARNING(AdaptiveNotSupported, name, value);
4557       __kmp_user_lock_kind = lk_tas;
4558       KMP_STORE_LOCK_SEQ(queuing);
4559     }
4560   } else if (__kmp_str_match("hle", 1, value)) {
4561     __kmp_user_lock_kind = lk_hle;
4562     KMP_STORE_LOCK_SEQ(hle);
4563   }
4564 #endif
4565   else {
4566     KMP_WARNING(StgInvalidValue, name, value);
4567   }
4568 }
4569 
4570 static void __kmp_stg_print_lock_kind(kmp_str_buf_t *buffer, char const *name,
4571                                       void *data) {
4572   const char *value = NULL;
4573 
4574   switch (__kmp_user_lock_kind) {
4575   case lk_default:
4576     value = "default";
4577     break;
4578 
4579   case lk_tas:
4580     value = "tas";
4581     break;
4582 
4583 #if KMP_USE_FUTEX
4584   case lk_futex:
4585     value = "futex";
4586     break;
4587 #endif
4588 
4589 #if KMP_USE_DYNAMIC_LOCK && KMP_USE_TSX
4590   case lk_rtm_queuing:
4591     value = "rtm_queuing";
4592     break;
4593 
4594   case lk_rtm_spin:
4595     value = "rtm_spin";
4596     break;
4597 
4598   case lk_hle:
4599     value = "hle";
4600     break;
4601 #endif
4602 
4603   case lk_ticket:
4604     value = "ticket";
4605     break;
4606 
4607   case lk_queuing:
4608     value = "queuing";
4609     break;
4610 
4611   case lk_drdpa:
4612     value = "drdpa";
4613     break;
4614 #if KMP_USE_ADAPTIVE_LOCKS
4615   case lk_adaptive:
4616     value = "adaptive";
4617     break;
4618 #endif
4619   }
4620 
4621   if (value != NULL) {
4622     __kmp_stg_print_str(buffer, name, value);
4623   }
4624 }
4625 
4626 // -----------------------------------------------------------------------------
4627 // KMP_SPIN_BACKOFF_PARAMS
4628 
4629 // KMP_SPIN_BACKOFF_PARAMS=max_backoff[,min_tick] (max backoff size, min tick
4630 // for machine pause)
4631 static void __kmp_stg_parse_spin_backoff_params(const char *name,
4632                                                 const char *value, void *data) {
4633   const char *next = value;
4634 
4635   int total = 0; // Count elements that were set. It'll be used as an array size
4636   int prev_comma = FALSE; // For correct processing sequential commas
4637   int i;
4638 
4639   kmp_uint32 max_backoff = __kmp_spin_backoff_params.max_backoff;
4640   kmp_uint32 min_tick = __kmp_spin_backoff_params.min_tick;
4641 
4642   // Run only 3 iterations because it is enough to read two values or find a
4643   // syntax error
4644   for (i = 0; i < 3; i++) {
4645     SKIP_WS(next);
4646 
4647     if (*next == '\0') {
4648       break;
4649     }
4650     // Next character is not an integer or not a comma OR number of values > 2
4651     // => end of list
4652     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4653       KMP_WARNING(EnvSyntaxError, name, value);
4654       return;
4655     }
4656     // The next character is ','
4657     if (*next == ',') {
4658       // ',' is the first character
4659       if (total == 0 || prev_comma) {
4660         total++;
4661       }
4662       prev_comma = TRUE;
4663       next++; // skip ','
4664       SKIP_WS(next);
4665     }
4666     // Next character is a digit
4667     if (*next >= '0' && *next <= '9') {
4668       int num;
4669       const char *buf = next;
4670       char const *msg = NULL;
4671       prev_comma = FALSE;
4672       SKIP_DIGITS(next);
4673       total++;
4674 
4675       const char *tmp = next;
4676       SKIP_WS(tmp);
4677       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4678         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4679         return;
4680       }
4681 
4682       num = __kmp_str_to_int(buf, *next);
4683       if (num <= 0) { // The number of retries should be > 0
4684         msg = KMP_I18N_STR(ValueTooSmall);
4685         num = 1;
4686       } else if (num > KMP_INT_MAX) {
4687         msg = KMP_I18N_STR(ValueTooLarge);
4688         num = KMP_INT_MAX;
4689       }
4690       if (msg != NULL) {
4691         // Message is not empty. Print warning.
4692         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4693         KMP_INFORM(Using_int_Value, name, num);
4694       }
4695       if (total == 1) {
4696         max_backoff = num;
4697       } else if (total == 2) {
4698         min_tick = num;
4699       }
4700     }
4701   }
4702   KMP_DEBUG_ASSERT(total > 0);
4703   if (total <= 0) {
4704     KMP_WARNING(EnvSyntaxError, name, value);
4705     return;
4706   }
4707   __kmp_spin_backoff_params.max_backoff = max_backoff;
4708   __kmp_spin_backoff_params.min_tick = min_tick;
4709 }
4710 
4711 static void __kmp_stg_print_spin_backoff_params(kmp_str_buf_t *buffer,
4712                                                 char const *name, void *data) {
4713   if (__kmp_env_format) {
4714     KMP_STR_BUF_PRINT_NAME_EX(name);
4715   } else {
4716     __kmp_str_buf_print(buffer, "   %s='", name);
4717   }
4718   __kmp_str_buf_print(buffer, "%d,%d'\n", __kmp_spin_backoff_params.max_backoff,
4719                       __kmp_spin_backoff_params.min_tick);
4720 }
4721 
4722 #if KMP_USE_ADAPTIVE_LOCKS
4723 
4724 // -----------------------------------------------------------------------------
4725 // KMP_ADAPTIVE_LOCK_PROPS, KMP_SPECULATIVE_STATSFILE
4726 
4727 // Parse out values for the tunable parameters from a string of the form
4728 // KMP_ADAPTIVE_LOCK_PROPS=max_soft_retries[,max_badness]
4729 static void __kmp_stg_parse_adaptive_lock_props(const char *name,
4730                                                 const char *value, void *data) {
4731   int max_retries = 0;
4732   int max_badness = 0;
4733 
4734   const char *next = value;
4735 
4736   int total = 0; // Count elements that were set. It'll be used as an array size
4737   int prev_comma = FALSE; // For correct processing sequential commas
4738   int i;
4739 
4740   // Save values in the structure __kmp_speculative_backoff_params
4741   // Run only 3 iterations because it is enough to read two values or find a
4742   // syntax error
4743   for (i = 0; i < 3; i++) {
4744     SKIP_WS(next);
4745 
4746     if (*next == '\0') {
4747       break;
4748     }
4749     // Next character is not an integer or not a comma OR number of values > 2
4750     // => end of list
4751     if (((*next < '0' || *next > '9') && *next != ',') || total > 2) {
4752       KMP_WARNING(EnvSyntaxError, name, value);
4753       return;
4754     }
4755     // The next character is ','
4756     if (*next == ',') {
4757       // ',' is the first character
4758       if (total == 0 || prev_comma) {
4759         total++;
4760       }
4761       prev_comma = TRUE;
4762       next++; // skip ','
4763       SKIP_WS(next);
4764     }
4765     // Next character is a digit
4766     if (*next >= '0' && *next <= '9') {
4767       int num;
4768       const char *buf = next;
4769       char const *msg = NULL;
4770       prev_comma = FALSE;
4771       SKIP_DIGITS(next);
4772       total++;
4773 
4774       const char *tmp = next;
4775       SKIP_WS(tmp);
4776       if ((*next == ' ' || *next == '\t') && (*tmp >= '0' && *tmp <= '9')) {
4777         KMP_WARNING(EnvSpacesNotAllowed, name, value);
4778         return;
4779       }
4780 
4781       num = __kmp_str_to_int(buf, *next);
4782       if (num < 0) { // The number of retries should be >= 0
4783         msg = KMP_I18N_STR(ValueTooSmall);
4784         num = 1;
4785       } else if (num > KMP_INT_MAX) {
4786         msg = KMP_I18N_STR(ValueTooLarge);
4787         num = KMP_INT_MAX;
4788       }
4789       if (msg != NULL) {
4790         // Message is not empty. Print warning.
4791         KMP_WARNING(ParseSizeIntWarn, name, value, msg);
4792         KMP_INFORM(Using_int_Value, name, num);
4793       }
4794       if (total == 1) {
4795         max_retries = num;
4796       } else if (total == 2) {
4797         max_badness = num;
4798       }
4799     }
4800   }
4801   KMP_DEBUG_ASSERT(total > 0);
4802   if (total <= 0) {
4803     KMP_WARNING(EnvSyntaxError, name, value);
4804     return;
4805   }
4806   __kmp_adaptive_backoff_params.max_soft_retries = max_retries;
4807   __kmp_adaptive_backoff_params.max_badness = max_badness;
4808 }
4809 
4810 static void __kmp_stg_print_adaptive_lock_props(kmp_str_buf_t *buffer,
4811                                                 char const *name, void *data) {
4812   if (__kmp_env_format) {
4813     KMP_STR_BUF_PRINT_NAME_EX(name);
4814   } else {
4815     __kmp_str_buf_print(buffer, "   %s='", name);
4816   }
4817   __kmp_str_buf_print(buffer, "%d,%d'\n",
4818                       __kmp_adaptive_backoff_params.max_soft_retries,
4819                       __kmp_adaptive_backoff_params.max_badness);
4820 } // __kmp_stg_print_adaptive_lock_props
4821 
4822 #if KMP_DEBUG_ADAPTIVE_LOCKS
4823 
4824 static void __kmp_stg_parse_speculative_statsfile(char const *name,
4825                                                   char const *value,
4826                                                   void *data) {
4827   __kmp_stg_parse_file(name, value, "",
4828                        CCAST(char **, &__kmp_speculative_statsfile));
4829 } // __kmp_stg_parse_speculative_statsfile
4830 
4831 static void __kmp_stg_print_speculative_statsfile(kmp_str_buf_t *buffer,
4832                                                   char const *name,
4833                                                   void *data) {
4834   if (__kmp_str_match("-", 0, __kmp_speculative_statsfile)) {
4835     __kmp_stg_print_str(buffer, name, "stdout");
4836   } else {
4837     __kmp_stg_print_str(buffer, name, __kmp_speculative_statsfile);
4838   }
4839 
4840 } // __kmp_stg_print_speculative_statsfile
4841 
4842 #endif // KMP_DEBUG_ADAPTIVE_LOCKS
4843 
4844 #endif // KMP_USE_ADAPTIVE_LOCKS
4845 
4846 // -----------------------------------------------------------------------------
4847 // KMP_HW_SUBSET (was KMP_PLACE_THREADS)
4848 // 2s16c,2t => 2S16C,2T => 2S16C \0 2T
4849 
4850 // Return KMP_HW_SUBSET preferred hardware type in case a token is ambiguously
4851 // short. The original KMP_HW_SUBSET environment variable had single letters:
4852 // s, c, t for sockets, cores, threads repsectively.
4853 static kmp_hw_t __kmp_hw_subset_break_tie(const kmp_hw_t *possible,
4854                                           size_t num_possible) {
4855   for (size_t i = 0; i < num_possible; ++i) {
4856     if (possible[i] == KMP_HW_THREAD)
4857       return KMP_HW_THREAD;
4858     else if (possible[i] == KMP_HW_CORE)
4859       return KMP_HW_CORE;
4860     else if (possible[i] == KMP_HW_SOCKET)
4861       return KMP_HW_SOCKET;
4862   }
4863   return KMP_HW_UNKNOWN;
4864 }
4865 
4866 // Return hardware type from string or HW_UNKNOWN if string cannot be parsed
4867 // This algorithm is very forgiving to the user in that, the instant it can
4868 // reduce the search space to one, it assumes that is the topology level the
4869 // user wanted, even if it is misspelled later in the token.
4870 static kmp_hw_t __kmp_stg_parse_hw_subset_name(char const *token) {
4871   size_t index, num_possible, token_length;
4872   kmp_hw_t possible[KMP_HW_LAST];
4873   const char *end;
4874 
4875   // Find the end of the hardware token string
4876   end = token;
4877   token_length = 0;
4878   while (isalnum(*end) || *end == '_') {
4879     token_length++;
4880     end++;
4881   }
4882 
4883   // Set the possibilities to all hardware types
4884   num_possible = 0;
4885   KMP_FOREACH_HW_TYPE(type) { possible[num_possible++] = type; }
4886 
4887   // Eliminate hardware types by comparing the front of the token
4888   // with hardware names
4889   // In most cases, the first letter in the token will indicate exactly
4890   // which hardware type is parsed, e.g., 'C' = Core
4891   index = 0;
4892   while (num_possible > 1 && index < token_length) {
4893     size_t n = num_possible;
4894     char token_char = (char)toupper(token[index]);
4895     for (size_t i = 0; i < n; ++i) {
4896       const char *s;
4897       kmp_hw_t type = possible[i];
4898       s = __kmp_hw_get_keyword(type, false);
4899       if (index < KMP_STRLEN(s)) {
4900         char c = (char)toupper(s[index]);
4901         // Mark hardware types for removal when the characters do not match
4902         if (c != token_char) {
4903           possible[i] = KMP_HW_UNKNOWN;
4904           num_possible--;
4905         }
4906       }
4907     }
4908     // Remove hardware types that this token cannot be
4909     size_t start = 0;
4910     for (size_t i = 0; i < n; ++i) {
4911       if (possible[i] != KMP_HW_UNKNOWN) {
4912         kmp_hw_t temp = possible[i];
4913         possible[i] = possible[start];
4914         possible[start] = temp;
4915         start++;
4916       }
4917     }
4918     KMP_ASSERT(start == num_possible);
4919     index++;
4920   }
4921 
4922   // Attempt to break a tie if user has very short token
4923   // (e.g., is 'T' tile or thread?)
4924   if (num_possible > 1)
4925     return __kmp_hw_subset_break_tie(possible, num_possible);
4926   if (num_possible == 1)
4927     return possible[0];
4928   return KMP_HW_UNKNOWN;
4929 }
4930 
4931 // The longest observable sequence of items can only be HW_LAST length
4932 // The input string is usually short enough, let's use 512 limit for now
4933 #define MAX_T_LEVEL KMP_HW_LAST
4934 #define MAX_STR_LEN 512
4935 static void __kmp_stg_parse_hw_subset(char const *name, char const *value,
4936                                       void *data) {
4937   // Value example: 1s,5c@3,2T
4938   // Which means "use 1 socket, 5 cores with offset 3, 2 threads per core"
4939   kmp_setting_t **rivals = (kmp_setting_t **)data;
4940   if (strcmp(name, "KMP_PLACE_THREADS") == 0) {
4941     KMP_INFORM(EnvVarDeprecated, name, "KMP_HW_SUBSET");
4942   }
4943   if (__kmp_stg_check_rivals(name, value, rivals)) {
4944     return;
4945   }
4946 
4947   char *components[MAX_T_LEVEL];
4948   char const *digits = "0123456789";
4949   char input[MAX_STR_LEN];
4950   size_t len = 0, mlen = MAX_STR_LEN;
4951   int level = 0;
4952   bool absolute = false;
4953   // Canonicalize the string (remove spaces, unify delimiters, etc.)
4954   char *pos = CCAST(char *, value);
4955   while (*pos && mlen) {
4956     if (*pos != ' ') { // skip spaces
4957       if (len == 0 && *pos == ':') {
4958         absolute = true;
4959       } else {
4960         input[len] = (char)(toupper(*pos));
4961         if (input[len] == 'X')
4962           input[len] = ','; // unify delimiters of levels
4963         if (input[len] == 'O' && strchr(digits, *(pos + 1)))
4964           input[len] = '@'; // unify delimiters of offset
4965         len++;
4966       }
4967     }
4968     mlen--;
4969     pos++;
4970   }
4971   if (len == 0 || mlen == 0) {
4972     goto err; // contents is either empty or too long
4973   }
4974   input[len] = '\0';
4975   // Split by delimiter
4976   pos = input;
4977   components[level++] = pos;
4978   while ((pos = strchr(pos, ','))) {
4979     if (level >= MAX_T_LEVEL)
4980       goto err; // too many components provided
4981     *pos = '\0'; // modify input and avoid more copying
4982     components[level++] = ++pos; // expect something after ","
4983   }
4984 
4985   __kmp_hw_subset = kmp_hw_subset_t::allocate();
4986   if (absolute)
4987     __kmp_hw_subset->set_absolute();
4988 
4989   // Check each component
4990   for (int i = 0; i < level; ++i) {
4991     int core_level = 0;
4992     char *core_components[MAX_T_LEVEL];
4993     // Split possible core components by '&' delimiter
4994     pos = components[i];
4995     core_components[core_level++] = pos;
4996     while ((pos = strchr(pos, '&'))) {
4997       if (core_level >= MAX_T_LEVEL)
4998         goto err; // too many different core types
4999       *pos = '\0'; // modify input and avoid more copying
5000       core_components[core_level++] = ++pos; // expect something after '&'
5001     }
5002 
5003     for (int j = 0; j < core_level; ++j) {
5004       char *offset_ptr;
5005       char *attr_ptr;
5006       int offset = 0;
5007       kmp_hw_attr_t attr;
5008       int num;
5009       // components may begin with an optional count of the number of resources
5010       if (isdigit(*core_components[j])) {
5011         num = atoi(core_components[j]);
5012         if (num <= 0) {
5013           goto err; // only positive integers are valid for count
5014         }
5015         pos = core_components[j] + strspn(core_components[j], digits);
5016       } else if (*core_components[j] == '*') {
5017         num = kmp_hw_subset_t::USE_ALL;
5018         pos = core_components[j] + 1;
5019       } else {
5020         num = kmp_hw_subset_t::USE_ALL;
5021         pos = core_components[j];
5022       }
5023 
5024       offset_ptr = strchr(core_components[j], '@');
5025       attr_ptr = strchr(core_components[j], ':');
5026 
5027       if (offset_ptr) {
5028         offset = atoi(offset_ptr + 1); // save offset
5029         *offset_ptr = '\0'; // cut the offset from the component
5030       }
5031       if (attr_ptr) {
5032         attr.clear();
5033         // save the attribute
5034 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5035         if (__kmp_str_match("intel_core", -1, attr_ptr + 1)) {
5036           attr.set_core_type(KMP_HW_CORE_TYPE_CORE);
5037         } else if (__kmp_str_match("intel_atom", -1, attr_ptr + 1)) {
5038           attr.set_core_type(KMP_HW_CORE_TYPE_ATOM);
5039         } else
5040 #endif
5041         if (__kmp_str_match("eff", 3, attr_ptr + 1)) {
5042           const char *number = attr_ptr + 1;
5043           // skip the eff[iciency] token
5044           while (isalpha(*number))
5045             number++;
5046           if (!isdigit(*number)) {
5047             goto err;
5048           }
5049           int efficiency = atoi(number);
5050           attr.set_core_eff(efficiency);
5051         } else {
5052           goto err;
5053         }
5054         *attr_ptr = '\0'; // cut the attribute from the component
5055       }
5056       // detect the component type
5057       kmp_hw_t type = __kmp_stg_parse_hw_subset_name(pos);
5058       if (type == KMP_HW_UNKNOWN) {
5059         goto err;
5060       }
5061       // Only the core type can have attributes
5062       if (attr && type != KMP_HW_CORE)
5063         goto err;
5064       // Must allow core be specified more than once
5065       if (type != KMP_HW_CORE && __kmp_hw_subset->specified(type)) {
5066         goto err;
5067       }
5068       __kmp_hw_subset->push_back(num, type, offset, attr);
5069     }
5070   }
5071   return;
5072 err:
5073   KMP_WARNING(AffHWSubsetInvalid, name, value);
5074   if (__kmp_hw_subset) {
5075     kmp_hw_subset_t::deallocate(__kmp_hw_subset);
5076     __kmp_hw_subset = nullptr;
5077   }
5078   return;
5079 }
5080 
5081 static inline const char *
5082 __kmp_hw_get_core_type_keyword(kmp_hw_core_type_t type) {
5083   switch (type) {
5084   case KMP_HW_CORE_TYPE_UNKNOWN:
5085     return "unknown";
5086 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5087   case KMP_HW_CORE_TYPE_ATOM:
5088     return "intel_atom";
5089   case KMP_HW_CORE_TYPE_CORE:
5090     return "intel_core";
5091 #endif
5092   }
5093   return "unknown";
5094 }
5095 
5096 static void __kmp_stg_print_hw_subset(kmp_str_buf_t *buffer, char const *name,
5097                                       void *data) {
5098   kmp_str_buf_t buf;
5099   int depth;
5100   if (!__kmp_hw_subset)
5101     return;
5102   __kmp_str_buf_init(&buf);
5103   if (__kmp_env_format)
5104     KMP_STR_BUF_PRINT_NAME_EX(name);
5105   else
5106     __kmp_str_buf_print(buffer, "   %s='", name);
5107 
5108   depth = __kmp_hw_subset->get_depth();
5109   for (int i = 0; i < depth; ++i) {
5110     const auto &item = __kmp_hw_subset->at(i);
5111     if (i > 0)
5112       __kmp_str_buf_print(&buf, "%c", ',');
5113     for (int j = 0; j < item.num_attrs; ++j) {
5114       __kmp_str_buf_print(&buf, "%s%d%s", (j > 0 ? "&" : ""), item.num[j],
5115                           __kmp_hw_get_keyword(item.type));
5116       if (item.attr[j].is_core_type_valid())
5117         __kmp_str_buf_print(
5118             &buf, ":%s",
5119             __kmp_hw_get_core_type_keyword(item.attr[j].get_core_type()));
5120       if (item.attr[j].is_core_eff_valid())
5121         __kmp_str_buf_print(&buf, ":eff%d", item.attr[j].get_core_eff());
5122       if (item.offset[j])
5123         __kmp_str_buf_print(&buf, "@%d", item.offset[j]);
5124     }
5125   }
5126   __kmp_str_buf_print(buffer, "%s'\n", buf.str);
5127   __kmp_str_buf_free(&buf);
5128 }
5129 
5130 #if USE_ITT_BUILD
5131 // -----------------------------------------------------------------------------
5132 // KMP_FORKJOIN_FRAMES
5133 
5134 static void __kmp_stg_parse_forkjoin_frames(char const *name, char const *value,
5135                                             void *data) {
5136   __kmp_stg_parse_bool(name, value, &__kmp_forkjoin_frames);
5137 } // __kmp_stg_parse_forkjoin_frames
5138 
5139 static void __kmp_stg_print_forkjoin_frames(kmp_str_buf_t *buffer,
5140                                             char const *name, void *data) {
5141   __kmp_stg_print_bool(buffer, name, __kmp_forkjoin_frames);
5142 } // __kmp_stg_print_forkjoin_frames
5143 
5144 // -----------------------------------------------------------------------------
5145 // KMP_FORKJOIN_FRAMES_MODE
5146 
5147 static void __kmp_stg_parse_forkjoin_frames_mode(char const *name,
5148                                                  char const *value,
5149                                                  void *data) {
5150   __kmp_stg_parse_int(name, value, 0, 3, &__kmp_forkjoin_frames_mode);
5151 } // __kmp_stg_parse_forkjoin_frames
5152 
5153 static void __kmp_stg_print_forkjoin_frames_mode(kmp_str_buf_t *buffer,
5154                                                  char const *name, void *data) {
5155   __kmp_stg_print_int(buffer, name, __kmp_forkjoin_frames_mode);
5156 } // __kmp_stg_print_forkjoin_frames
5157 #endif /* USE_ITT_BUILD */
5158 
5159 // -----------------------------------------------------------------------------
5160 // KMP_ENABLE_TASK_THROTTLING
5161 
5162 static void __kmp_stg_parse_task_throttling(char const *name, char const *value,
5163                                             void *data) {
5164   __kmp_stg_parse_bool(name, value, &__kmp_enable_task_throttling);
5165 } // __kmp_stg_parse_task_throttling
5166 
5167 static void __kmp_stg_print_task_throttling(kmp_str_buf_t *buffer,
5168                                             char const *name, void *data) {
5169   __kmp_stg_print_bool(buffer, name, __kmp_enable_task_throttling);
5170 } // __kmp_stg_print_task_throttling
5171 
5172 #if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5173 // -----------------------------------------------------------------------------
5174 // KMP_USER_LEVEL_MWAIT
5175 
5176 static void __kmp_stg_parse_user_level_mwait(char const *name,
5177                                              char const *value, void *data) {
5178   __kmp_stg_parse_bool(name, value, &__kmp_user_level_mwait);
5179 } // __kmp_stg_parse_user_level_mwait
5180 
5181 static void __kmp_stg_print_user_level_mwait(kmp_str_buf_t *buffer,
5182                                              char const *name, void *data) {
5183   __kmp_stg_print_bool(buffer, name, __kmp_user_level_mwait);
5184 } // __kmp_stg_print_user_level_mwait
5185 
5186 // -----------------------------------------------------------------------------
5187 // KMP_MWAIT_HINTS
5188 
5189 static void __kmp_stg_parse_mwait_hints(char const *name, char const *value,
5190                                         void *data) {
5191   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_mwait_hints);
5192 } // __kmp_stg_parse_mwait_hints
5193 
5194 static void __kmp_stg_print_mwait_hints(kmp_str_buf_t *buffer, char const *name,
5195                                         void *data) {
5196   __kmp_stg_print_int(buffer, name, __kmp_mwait_hints);
5197 } // __kmp_stg_print_mwait_hints
5198 
5199 #endif // KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5200 
5201 #if KMP_HAVE_UMWAIT
5202 // -----------------------------------------------------------------------------
5203 // KMP_TPAUSE
5204 // 0 = don't use TPAUSE, 1 = use C0.1 state, 2 = use C0.2 state
5205 
5206 static void __kmp_stg_parse_tpause(char const *name, char const *value,
5207                                    void *data) {
5208   __kmp_stg_parse_int(name, value, 0, INT_MAX, &__kmp_tpause_state);
5209   if (__kmp_tpause_state != 0) {
5210     // The actual hint passed to tpause is: 0 for C0.2 and 1 for C0.1
5211     if (__kmp_tpause_state == 2) // use C0.2
5212       __kmp_tpause_hint = 0; // default was set to 1 for C0.1
5213   }
5214 } // __kmp_stg_parse_tpause
5215 
5216 static void __kmp_stg_print_tpause(kmp_str_buf_t *buffer, char const *name,
5217                                    void *data) {
5218   __kmp_stg_print_int(buffer, name, __kmp_tpause_state);
5219 } // __kmp_stg_print_tpause
5220 #endif // KMP_HAVE_UMWAIT
5221 
5222 // -----------------------------------------------------------------------------
5223 // OMP_DISPLAY_ENV
5224 
5225 static void __kmp_stg_parse_omp_display_env(char const *name, char const *value,
5226                                             void *data) {
5227   if (__kmp_str_match("VERBOSE", 1, value)) {
5228     __kmp_display_env_verbose = TRUE;
5229   } else {
5230     __kmp_stg_parse_bool(name, value, &__kmp_display_env);
5231   }
5232 } // __kmp_stg_parse_omp_display_env
5233 
5234 static void __kmp_stg_print_omp_display_env(kmp_str_buf_t *buffer,
5235                                             char const *name, void *data) {
5236   if (__kmp_display_env_verbose) {
5237     __kmp_stg_print_str(buffer, name, "VERBOSE");
5238   } else {
5239     __kmp_stg_print_bool(buffer, name, __kmp_display_env);
5240   }
5241 } // __kmp_stg_print_omp_display_env
5242 
5243 static void __kmp_stg_parse_omp_cancellation(char const *name,
5244                                              char const *value, void *data) {
5245   if (TCR_4(__kmp_init_parallel)) {
5246     KMP_WARNING(EnvParallelWarn, name);
5247     return;
5248   } // read value before first parallel only
5249   __kmp_stg_parse_bool(name, value, &__kmp_omp_cancellation);
5250 } // __kmp_stg_parse_omp_cancellation
5251 
5252 static void __kmp_stg_print_omp_cancellation(kmp_str_buf_t *buffer,
5253                                              char const *name, void *data) {
5254   __kmp_stg_print_bool(buffer, name, __kmp_omp_cancellation);
5255 } // __kmp_stg_print_omp_cancellation
5256 
5257 #if OMPT_SUPPORT
5258 int __kmp_tool = 1;
5259 
5260 static void __kmp_stg_parse_omp_tool(char const *name, char const *value,
5261                                      void *data) {
5262   __kmp_stg_parse_bool(name, value, &__kmp_tool);
5263 } // __kmp_stg_parse_omp_tool
5264 
5265 static void __kmp_stg_print_omp_tool(kmp_str_buf_t *buffer, char const *name,
5266                                      void *data) {
5267   if (__kmp_env_format) {
5268     KMP_STR_BUF_PRINT_BOOL_EX(name, __kmp_tool, "enabled", "disabled");
5269   } else {
5270     __kmp_str_buf_print(buffer, "   %s=%s\n", name,
5271                         __kmp_tool ? "enabled" : "disabled");
5272   }
5273 } // __kmp_stg_print_omp_tool
5274 
5275 char *__kmp_tool_libraries = NULL;
5276 
5277 static void __kmp_stg_parse_omp_tool_libraries(char const *name,
5278                                                char const *value, void *data) {
5279   __kmp_stg_parse_str(name, value, &__kmp_tool_libraries);
5280 } // __kmp_stg_parse_omp_tool_libraries
5281 
5282 static void __kmp_stg_print_omp_tool_libraries(kmp_str_buf_t *buffer,
5283                                                char const *name, void *data) {
5284   if (__kmp_tool_libraries)
5285     __kmp_stg_print_str(buffer, name, __kmp_tool_libraries);
5286   else {
5287     if (__kmp_env_format) {
5288       KMP_STR_BUF_PRINT_NAME;
5289     } else {
5290       __kmp_str_buf_print(buffer, "   %s", name);
5291     }
5292     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
5293   }
5294 } // __kmp_stg_print_omp_tool_libraries
5295 
5296 char *__kmp_tool_verbose_init = NULL;
5297 
5298 static void __kmp_stg_parse_omp_tool_verbose_init(char const *name,
5299                                                   char const *value,
5300                                                   void *data) {
5301   __kmp_stg_parse_str(name, value, &__kmp_tool_verbose_init);
5302 } // __kmp_stg_parse_omp_tool_libraries
5303 
5304 static void __kmp_stg_print_omp_tool_verbose_init(kmp_str_buf_t *buffer,
5305                                                   char const *name,
5306                                                   void *data) {
5307   if (__kmp_tool_verbose_init)
5308     __kmp_stg_print_str(buffer, name, __kmp_tool_verbose_init);
5309   else {
5310     if (__kmp_env_format) {
5311       KMP_STR_BUF_PRINT_NAME;
5312     } else {
5313       __kmp_str_buf_print(buffer, "   %s", name);
5314     }
5315     __kmp_str_buf_print(buffer, ": %s\n", KMP_I18N_STR(NotDefined));
5316   }
5317 } // __kmp_stg_print_omp_tool_verbose_init
5318 
5319 #endif
5320 
5321 // Table.
5322 
5323 static kmp_setting_t __kmp_stg_table[] = {
5324 
5325     {"KMP_ALL_THREADS", __kmp_stg_parse_device_thread_limit, NULL, NULL, 0, 0},
5326     {"KMP_BLOCKTIME", __kmp_stg_parse_blocktime, __kmp_stg_print_blocktime,
5327      NULL, 0, 0},
5328     {"KMP_USE_YIELD", __kmp_stg_parse_use_yield, __kmp_stg_print_use_yield,
5329      NULL, 0, 0},
5330     {"KMP_DUPLICATE_LIB_OK", __kmp_stg_parse_duplicate_lib_ok,
5331      __kmp_stg_print_duplicate_lib_ok, NULL, 0, 0},
5332     {"KMP_LIBRARY", __kmp_stg_parse_wait_policy, __kmp_stg_print_wait_policy,
5333      NULL, 0, 0},
5334     {"KMP_DEVICE_THREAD_LIMIT", __kmp_stg_parse_device_thread_limit,
5335      __kmp_stg_print_device_thread_limit, NULL, 0, 0},
5336 #if KMP_USE_MONITOR
5337     {"KMP_MONITOR_STACKSIZE", __kmp_stg_parse_monitor_stacksize,
5338      __kmp_stg_print_monitor_stacksize, NULL, 0, 0},
5339 #endif
5340     {"KMP_SETTINGS", __kmp_stg_parse_settings, __kmp_stg_print_settings, NULL,
5341      0, 0},
5342     {"KMP_STACKOFFSET", __kmp_stg_parse_stackoffset,
5343      __kmp_stg_print_stackoffset, NULL, 0, 0},
5344     {"KMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
5345      NULL, 0, 0},
5346     {"KMP_STACKPAD", __kmp_stg_parse_stackpad, __kmp_stg_print_stackpad, NULL,
5347      0, 0},
5348     {"KMP_VERSION", __kmp_stg_parse_version, __kmp_stg_print_version, NULL, 0,
5349      0},
5350     {"KMP_WARNINGS", __kmp_stg_parse_warnings, __kmp_stg_print_warnings, NULL,
5351      0, 0},
5352 
5353     {"KMP_NESTING_MODE", __kmp_stg_parse_nesting_mode,
5354      __kmp_stg_print_nesting_mode, NULL, 0, 0},
5355     {"OMP_NESTED", __kmp_stg_parse_nested, __kmp_stg_print_nested, NULL, 0, 0},
5356     {"OMP_NUM_THREADS", __kmp_stg_parse_num_threads,
5357      __kmp_stg_print_num_threads, NULL, 0, 0},
5358     {"OMP_STACKSIZE", __kmp_stg_parse_stacksize, __kmp_stg_print_stacksize,
5359      NULL, 0, 0},
5360 
5361     {"KMP_TASKING", __kmp_stg_parse_tasking, __kmp_stg_print_tasking, NULL, 0,
5362      0},
5363     {"KMP_TASK_STEALING_CONSTRAINT", __kmp_stg_parse_task_stealing,
5364      __kmp_stg_print_task_stealing, NULL, 0, 0},
5365     {"OMP_MAX_ACTIVE_LEVELS", __kmp_stg_parse_max_active_levels,
5366      __kmp_stg_print_max_active_levels, NULL, 0, 0},
5367     {"OMP_DEFAULT_DEVICE", __kmp_stg_parse_default_device,
5368      __kmp_stg_print_default_device, NULL, 0, 0},
5369     {"OMP_TARGET_OFFLOAD", __kmp_stg_parse_target_offload,
5370      __kmp_stg_print_target_offload, NULL, 0, 0},
5371     {"OMP_MAX_TASK_PRIORITY", __kmp_stg_parse_max_task_priority,
5372      __kmp_stg_print_max_task_priority, NULL, 0, 0},
5373     {"KMP_TASKLOOP_MIN_TASKS", __kmp_stg_parse_taskloop_min_tasks,
5374      __kmp_stg_print_taskloop_min_tasks, NULL, 0, 0},
5375     {"OMP_THREAD_LIMIT", __kmp_stg_parse_thread_limit,
5376      __kmp_stg_print_thread_limit, NULL, 0, 0},
5377     {"KMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_thread_limit,
5378      __kmp_stg_print_teams_thread_limit, NULL, 0, 0},
5379     {"OMP_NUM_TEAMS", __kmp_stg_parse_nteams, __kmp_stg_print_nteams, NULL, 0,
5380      0},
5381     {"OMP_TEAMS_THREAD_LIMIT", __kmp_stg_parse_teams_th_limit,
5382      __kmp_stg_print_teams_th_limit, NULL, 0, 0},
5383     {"OMP_WAIT_POLICY", __kmp_stg_parse_wait_policy,
5384      __kmp_stg_print_wait_policy, NULL, 0, 0},
5385     {"KMP_DISP_NUM_BUFFERS", __kmp_stg_parse_disp_buffers,
5386      __kmp_stg_print_disp_buffers, NULL, 0, 0},
5387 #if KMP_NESTED_HOT_TEAMS
5388     {"KMP_HOT_TEAMS_MAX_LEVEL", __kmp_stg_parse_hot_teams_level,
5389      __kmp_stg_print_hot_teams_level, NULL, 0, 0},
5390     {"KMP_HOT_TEAMS_MODE", __kmp_stg_parse_hot_teams_mode,
5391      __kmp_stg_print_hot_teams_mode, NULL, 0, 0},
5392 #endif // KMP_NESTED_HOT_TEAMS
5393 
5394 #if KMP_HANDLE_SIGNALS
5395     {"KMP_HANDLE_SIGNALS", __kmp_stg_parse_handle_signals,
5396      __kmp_stg_print_handle_signals, NULL, 0, 0},
5397 #endif
5398 
5399 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
5400     {"KMP_INHERIT_FP_CONTROL", __kmp_stg_parse_inherit_fp_control,
5401      __kmp_stg_print_inherit_fp_control, NULL, 0, 0},
5402 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
5403 
5404 #ifdef KMP_GOMP_COMPAT
5405     {"GOMP_STACKSIZE", __kmp_stg_parse_stacksize, NULL, NULL, 0, 0},
5406 #endif
5407 
5408 #ifdef KMP_DEBUG
5409     {"KMP_A_DEBUG", __kmp_stg_parse_a_debug, __kmp_stg_print_a_debug, NULL, 0,
5410      0},
5411     {"KMP_B_DEBUG", __kmp_stg_parse_b_debug, __kmp_stg_print_b_debug, NULL, 0,
5412      0},
5413     {"KMP_C_DEBUG", __kmp_stg_parse_c_debug, __kmp_stg_print_c_debug, NULL, 0,
5414      0},
5415     {"KMP_D_DEBUG", __kmp_stg_parse_d_debug, __kmp_stg_print_d_debug, NULL, 0,
5416      0},
5417     {"KMP_E_DEBUG", __kmp_stg_parse_e_debug, __kmp_stg_print_e_debug, NULL, 0,
5418      0},
5419     {"KMP_F_DEBUG", __kmp_stg_parse_f_debug, __kmp_stg_print_f_debug, NULL, 0,
5420      0},
5421     {"KMP_DEBUG", __kmp_stg_parse_debug, NULL, /* no print */ NULL, 0, 0},
5422     {"KMP_DEBUG_BUF", __kmp_stg_parse_debug_buf, __kmp_stg_print_debug_buf,
5423      NULL, 0, 0},
5424     {"KMP_DEBUG_BUF_ATOMIC", __kmp_stg_parse_debug_buf_atomic,
5425      __kmp_stg_print_debug_buf_atomic, NULL, 0, 0},
5426     {"KMP_DEBUG_BUF_CHARS", __kmp_stg_parse_debug_buf_chars,
5427      __kmp_stg_print_debug_buf_chars, NULL, 0, 0},
5428     {"KMP_DEBUG_BUF_LINES", __kmp_stg_parse_debug_buf_lines,
5429      __kmp_stg_print_debug_buf_lines, NULL, 0, 0},
5430     {"KMP_DIAG", __kmp_stg_parse_diag, __kmp_stg_print_diag, NULL, 0, 0},
5431 
5432     {"KMP_PAR_RANGE", __kmp_stg_parse_par_range_env,
5433      __kmp_stg_print_par_range_env, NULL, 0, 0},
5434 #endif // KMP_DEBUG
5435 
5436     {"KMP_ALIGN_ALLOC", __kmp_stg_parse_align_alloc,
5437      __kmp_stg_print_align_alloc, NULL, 0, 0},
5438 
5439     {"KMP_PLAIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5440      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5441     {"KMP_PLAIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5442      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5443     {"KMP_FORKJOIN_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5444      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5445     {"KMP_FORKJOIN_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5446      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5447 #if KMP_FAST_REDUCTION_BARRIER
5448     {"KMP_REDUCTION_BARRIER", __kmp_stg_parse_barrier_branch_bit,
5449      __kmp_stg_print_barrier_branch_bit, NULL, 0, 0},
5450     {"KMP_REDUCTION_BARRIER_PATTERN", __kmp_stg_parse_barrier_pattern,
5451      __kmp_stg_print_barrier_pattern, NULL, 0, 0},
5452 #endif
5453 
5454     {"KMP_ABORT_DELAY", __kmp_stg_parse_abort_delay,
5455      __kmp_stg_print_abort_delay, NULL, 0, 0},
5456     {"KMP_CPUINFO_FILE", __kmp_stg_parse_cpuinfo_file,
5457      __kmp_stg_print_cpuinfo_file, NULL, 0, 0},
5458     {"KMP_FORCE_REDUCTION", __kmp_stg_parse_force_reduction,
5459      __kmp_stg_print_force_reduction, NULL, 0, 0},
5460     {"KMP_DETERMINISTIC_REDUCTION", __kmp_stg_parse_force_reduction,
5461      __kmp_stg_print_force_reduction, NULL, 0, 0},
5462     {"KMP_STORAGE_MAP", __kmp_stg_parse_storage_map,
5463      __kmp_stg_print_storage_map, NULL, 0, 0},
5464     {"KMP_ALL_THREADPRIVATE", __kmp_stg_parse_all_threadprivate,
5465      __kmp_stg_print_all_threadprivate, NULL, 0, 0},
5466     {"KMP_FOREIGN_THREADS_THREADPRIVATE",
5467      __kmp_stg_parse_foreign_threads_threadprivate,
5468      __kmp_stg_print_foreign_threads_threadprivate, NULL, 0, 0},
5469 
5470 #if KMP_AFFINITY_SUPPORTED
5471     {"KMP_AFFINITY", __kmp_stg_parse_affinity, __kmp_stg_print_affinity, NULL,
5472      0, 0},
5473 #ifdef KMP_GOMP_COMPAT
5474     {"GOMP_CPU_AFFINITY", __kmp_stg_parse_gomp_cpu_affinity, NULL,
5475      /* no print */ NULL, 0, 0},
5476 #endif /* KMP_GOMP_COMPAT */
5477     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
5478      NULL, 0, 0},
5479     {"KMP_TEAMS_PROC_BIND", __kmp_stg_parse_teams_proc_bind,
5480      __kmp_stg_print_teams_proc_bind, NULL, 0, 0},
5481     {"OMP_PLACES", __kmp_stg_parse_places, __kmp_stg_print_places, NULL, 0, 0},
5482     {"KMP_TOPOLOGY_METHOD", __kmp_stg_parse_topology_method,
5483      __kmp_stg_print_topology_method, NULL, 0, 0},
5484 
5485 #else
5486 
5487     // KMP_AFFINITY is not supported on OS X*, nor is OMP_PLACES.
5488     // OMP_PROC_BIND and proc-bind-var are supported, however.
5489     {"OMP_PROC_BIND", __kmp_stg_parse_proc_bind, __kmp_stg_print_proc_bind,
5490      NULL, 0, 0},
5491 
5492 #endif // KMP_AFFINITY_SUPPORTED
5493     {"OMP_DISPLAY_AFFINITY", __kmp_stg_parse_display_affinity,
5494      __kmp_stg_print_display_affinity, NULL, 0, 0},
5495     {"OMP_AFFINITY_FORMAT", __kmp_stg_parse_affinity_format,
5496      __kmp_stg_print_affinity_format, NULL, 0, 0},
5497     {"KMP_INIT_AT_FORK", __kmp_stg_parse_init_at_fork,
5498      __kmp_stg_print_init_at_fork, NULL, 0, 0},
5499     {"KMP_SCHEDULE", __kmp_stg_parse_schedule, __kmp_stg_print_schedule, NULL,
5500      0, 0},
5501     {"OMP_SCHEDULE", __kmp_stg_parse_omp_schedule, __kmp_stg_print_omp_schedule,
5502      NULL, 0, 0},
5503 #if KMP_USE_HIER_SCHED
5504     {"KMP_DISP_HAND_THREAD", __kmp_stg_parse_kmp_hand_thread,
5505      __kmp_stg_print_kmp_hand_thread, NULL, 0, 0},
5506 #endif
5507     {"KMP_FORCE_MONOTONIC_DYNAMIC_SCHEDULE",
5508      __kmp_stg_parse_kmp_force_monotonic, __kmp_stg_print_kmp_force_monotonic,
5509      NULL, 0, 0},
5510     {"KMP_ATOMIC_MODE", __kmp_stg_parse_atomic_mode,
5511      __kmp_stg_print_atomic_mode, NULL, 0, 0},
5512     {"KMP_CONSISTENCY_CHECK", __kmp_stg_parse_consistency_check,
5513      __kmp_stg_print_consistency_check, NULL, 0, 0},
5514 
5515 #if USE_ITT_BUILD && USE_ITT_NOTIFY
5516     {"KMP_ITT_PREPARE_DELAY", __kmp_stg_parse_itt_prepare_delay,
5517      __kmp_stg_print_itt_prepare_delay, NULL, 0, 0},
5518 #endif /* USE_ITT_BUILD && USE_ITT_NOTIFY */
5519     {"KMP_MALLOC_POOL_INCR", __kmp_stg_parse_malloc_pool_incr,
5520      __kmp_stg_print_malloc_pool_incr, NULL, 0, 0},
5521     {"KMP_GTID_MODE", __kmp_stg_parse_gtid_mode, __kmp_stg_print_gtid_mode,
5522      NULL, 0, 0},
5523     {"OMP_DYNAMIC", __kmp_stg_parse_omp_dynamic, __kmp_stg_print_omp_dynamic,
5524      NULL, 0, 0},
5525     {"KMP_DYNAMIC_MODE", __kmp_stg_parse_kmp_dynamic_mode,
5526      __kmp_stg_print_kmp_dynamic_mode, NULL, 0, 0},
5527 
5528 #ifdef USE_LOAD_BALANCE
5529     {"KMP_LOAD_BALANCE_INTERVAL", __kmp_stg_parse_ld_balance_interval,
5530      __kmp_stg_print_ld_balance_interval, NULL, 0, 0},
5531 #endif
5532 
5533     {"KMP_NUM_LOCKS_IN_BLOCK", __kmp_stg_parse_lock_block,
5534      __kmp_stg_print_lock_block, NULL, 0, 0},
5535     {"KMP_LOCK_KIND", __kmp_stg_parse_lock_kind, __kmp_stg_print_lock_kind,
5536      NULL, 0, 0},
5537     {"KMP_SPIN_BACKOFF_PARAMS", __kmp_stg_parse_spin_backoff_params,
5538      __kmp_stg_print_spin_backoff_params, NULL, 0, 0},
5539 #if KMP_USE_ADAPTIVE_LOCKS
5540     {"KMP_ADAPTIVE_LOCK_PROPS", __kmp_stg_parse_adaptive_lock_props,
5541      __kmp_stg_print_adaptive_lock_props, NULL, 0, 0},
5542 #if KMP_DEBUG_ADAPTIVE_LOCKS
5543     {"KMP_SPECULATIVE_STATSFILE", __kmp_stg_parse_speculative_statsfile,
5544      __kmp_stg_print_speculative_statsfile, NULL, 0, 0},
5545 #endif
5546 #endif // KMP_USE_ADAPTIVE_LOCKS
5547     {"KMP_PLACE_THREADS", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
5548      NULL, 0, 0},
5549     {"KMP_HW_SUBSET", __kmp_stg_parse_hw_subset, __kmp_stg_print_hw_subset,
5550      NULL, 0, 0},
5551 #if USE_ITT_BUILD
5552     {"KMP_FORKJOIN_FRAMES", __kmp_stg_parse_forkjoin_frames,
5553      __kmp_stg_print_forkjoin_frames, NULL, 0, 0},
5554     {"KMP_FORKJOIN_FRAMES_MODE", __kmp_stg_parse_forkjoin_frames_mode,
5555      __kmp_stg_print_forkjoin_frames_mode, NULL, 0, 0},
5556 #endif
5557     {"KMP_ENABLE_TASK_THROTTLING", __kmp_stg_parse_task_throttling,
5558      __kmp_stg_print_task_throttling, NULL, 0, 0},
5559 
5560     {"OMP_DISPLAY_ENV", __kmp_stg_parse_omp_display_env,
5561      __kmp_stg_print_omp_display_env, NULL, 0, 0},
5562     {"OMP_CANCELLATION", __kmp_stg_parse_omp_cancellation,
5563      __kmp_stg_print_omp_cancellation, NULL, 0, 0},
5564     {"OMP_ALLOCATOR", __kmp_stg_parse_allocator, __kmp_stg_print_allocator,
5565      NULL, 0, 0},
5566     {"LIBOMP_USE_HIDDEN_HELPER_TASK", __kmp_stg_parse_use_hidden_helper,
5567      __kmp_stg_print_use_hidden_helper, NULL, 0, 0},
5568     {"LIBOMP_NUM_HIDDEN_HELPER_THREADS",
5569      __kmp_stg_parse_num_hidden_helper_threads,
5570      __kmp_stg_print_num_hidden_helper_threads, NULL, 0, 0},
5571 
5572 #if OMPT_SUPPORT
5573     {"OMP_TOOL", __kmp_stg_parse_omp_tool, __kmp_stg_print_omp_tool, NULL, 0,
5574      0},
5575     {"OMP_TOOL_LIBRARIES", __kmp_stg_parse_omp_tool_libraries,
5576      __kmp_stg_print_omp_tool_libraries, NULL, 0, 0},
5577     {"OMP_TOOL_VERBOSE_INIT", __kmp_stg_parse_omp_tool_verbose_init,
5578      __kmp_stg_print_omp_tool_verbose_init, NULL, 0, 0},
5579 #endif
5580 
5581 #if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
5582     {"KMP_USER_LEVEL_MWAIT", __kmp_stg_parse_user_level_mwait,
5583      __kmp_stg_print_user_level_mwait, NULL, 0, 0},
5584     {"KMP_MWAIT_HINTS", __kmp_stg_parse_mwait_hints,
5585      __kmp_stg_print_mwait_hints, NULL, 0, 0},
5586 #endif
5587 
5588 #if KMP_HAVE_UMWAIT
5589     {"KMP_TPAUSE", __kmp_stg_parse_tpause, __kmp_stg_print_tpause, NULL, 0, 0},
5590 #endif
5591     {"", NULL, NULL, NULL, 0, 0}}; // settings
5592 
5593 static int const __kmp_stg_count =
5594     sizeof(__kmp_stg_table) / sizeof(kmp_setting_t);
5595 
5596 static inline kmp_setting_t *__kmp_stg_find(char const *name) {
5597 
5598   int i;
5599   if (name != NULL) {
5600     for (i = 0; i < __kmp_stg_count; ++i) {
5601       if (strcmp(__kmp_stg_table[i].name, name) == 0) {
5602         return &__kmp_stg_table[i];
5603       }
5604     }
5605   }
5606   return NULL;
5607 
5608 } // __kmp_stg_find
5609 
5610 static int __kmp_stg_cmp(void const *_a, void const *_b) {
5611   const kmp_setting_t *a = RCAST(const kmp_setting_t *, _a);
5612   const kmp_setting_t *b = RCAST(const kmp_setting_t *, _b);
5613 
5614   // Process KMP_AFFINITY last.
5615   // It needs to come after OMP_PLACES and GOMP_CPU_AFFINITY.
5616   if (strcmp(a->name, "KMP_AFFINITY") == 0) {
5617     if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5618       return 0;
5619     }
5620     return 1;
5621   } else if (strcmp(b->name, "KMP_AFFINITY") == 0) {
5622     return -1;
5623   }
5624   return strcmp(a->name, b->name);
5625 } // __kmp_stg_cmp
5626 
5627 static void __kmp_stg_init(void) {
5628 
5629   static int initialized = 0;
5630 
5631   if (!initialized) {
5632 
5633     // Sort table.
5634     qsort(__kmp_stg_table, __kmp_stg_count - 1, sizeof(kmp_setting_t),
5635           __kmp_stg_cmp);
5636 
5637     { // Initialize *_STACKSIZE data.
5638       kmp_setting_t *kmp_stacksize =
5639           __kmp_stg_find("KMP_STACKSIZE"); // 1st priority.
5640 #ifdef KMP_GOMP_COMPAT
5641       kmp_setting_t *gomp_stacksize =
5642           __kmp_stg_find("GOMP_STACKSIZE"); // 2nd priority.
5643 #endif
5644       kmp_setting_t *omp_stacksize =
5645           __kmp_stg_find("OMP_STACKSIZE"); // 3rd priority.
5646 
5647       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5648       // !!! Compiler does not understand rivals is used and optimizes out
5649       // assignments
5650       // !!!     rivals[ i ++ ] = ...;
5651       static kmp_setting_t *volatile rivals[4];
5652       static kmp_stg_ss_data_t kmp_data = {1, CCAST(kmp_setting_t **, rivals)};
5653 #ifdef KMP_GOMP_COMPAT
5654       static kmp_stg_ss_data_t gomp_data = {1024,
5655                                             CCAST(kmp_setting_t **, rivals)};
5656 #endif
5657       static kmp_stg_ss_data_t omp_data = {1024,
5658                                            CCAST(kmp_setting_t **, rivals)};
5659       int i = 0;
5660 
5661       rivals[i++] = kmp_stacksize;
5662 #ifdef KMP_GOMP_COMPAT
5663       if (gomp_stacksize != NULL) {
5664         rivals[i++] = gomp_stacksize;
5665       }
5666 #endif
5667       rivals[i++] = omp_stacksize;
5668       rivals[i++] = NULL;
5669 
5670       kmp_stacksize->data = &kmp_data;
5671 #ifdef KMP_GOMP_COMPAT
5672       if (gomp_stacksize != NULL) {
5673         gomp_stacksize->data = &gomp_data;
5674       }
5675 #endif
5676       omp_stacksize->data = &omp_data;
5677     }
5678 
5679     { // Initialize KMP_LIBRARY and OMP_WAIT_POLICY data.
5680       kmp_setting_t *kmp_library =
5681           __kmp_stg_find("KMP_LIBRARY"); // 1st priority.
5682       kmp_setting_t *omp_wait_policy =
5683           __kmp_stg_find("OMP_WAIT_POLICY"); // 2nd priority.
5684 
5685       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5686       static kmp_setting_t *volatile rivals[3];
5687       static kmp_stg_wp_data_t kmp_data = {0, CCAST(kmp_setting_t **, rivals)};
5688       static kmp_stg_wp_data_t omp_data = {1, CCAST(kmp_setting_t **, rivals)};
5689       int i = 0;
5690 
5691       rivals[i++] = kmp_library;
5692       if (omp_wait_policy != NULL) {
5693         rivals[i++] = omp_wait_policy;
5694       }
5695       rivals[i++] = NULL;
5696 
5697       kmp_library->data = &kmp_data;
5698       if (omp_wait_policy != NULL) {
5699         omp_wait_policy->data = &omp_data;
5700       }
5701     }
5702 
5703     { // Initialize KMP_DEVICE_THREAD_LIMIT and KMP_ALL_THREADS
5704       kmp_setting_t *kmp_device_thread_limit =
5705           __kmp_stg_find("KMP_DEVICE_THREAD_LIMIT"); // 1st priority.
5706       kmp_setting_t *kmp_all_threads =
5707           __kmp_stg_find("KMP_ALL_THREADS"); // 2nd priority.
5708 
5709       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5710       static kmp_setting_t *volatile rivals[3];
5711       int i = 0;
5712 
5713       rivals[i++] = kmp_device_thread_limit;
5714       rivals[i++] = kmp_all_threads;
5715       rivals[i++] = NULL;
5716 
5717       kmp_device_thread_limit->data = CCAST(kmp_setting_t **, rivals);
5718       kmp_all_threads->data = CCAST(kmp_setting_t **, rivals);
5719     }
5720 
5721     { // Initialize KMP_HW_SUBSET and KMP_PLACE_THREADS
5722       // 1st priority
5723       kmp_setting_t *kmp_hw_subset = __kmp_stg_find("KMP_HW_SUBSET");
5724       // 2nd priority
5725       kmp_setting_t *kmp_place_threads = __kmp_stg_find("KMP_PLACE_THREADS");
5726 
5727       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5728       static kmp_setting_t *volatile rivals[3];
5729       int i = 0;
5730 
5731       rivals[i++] = kmp_hw_subset;
5732       rivals[i++] = kmp_place_threads;
5733       rivals[i++] = NULL;
5734 
5735       kmp_hw_subset->data = CCAST(kmp_setting_t **, rivals);
5736       kmp_place_threads->data = CCAST(kmp_setting_t **, rivals);
5737     }
5738 
5739 #if KMP_AFFINITY_SUPPORTED
5740     { // Initialize KMP_AFFINITY, GOMP_CPU_AFFINITY, and OMP_PROC_BIND data.
5741       kmp_setting_t *kmp_affinity =
5742           __kmp_stg_find("KMP_AFFINITY"); // 1st priority.
5743       KMP_DEBUG_ASSERT(kmp_affinity != NULL);
5744 
5745 #ifdef KMP_GOMP_COMPAT
5746       kmp_setting_t *gomp_cpu_affinity =
5747           __kmp_stg_find("GOMP_CPU_AFFINITY"); // 2nd priority.
5748       KMP_DEBUG_ASSERT(gomp_cpu_affinity != NULL);
5749 #endif
5750 
5751       kmp_setting_t *omp_proc_bind =
5752           __kmp_stg_find("OMP_PROC_BIND"); // 3rd priority.
5753       KMP_DEBUG_ASSERT(omp_proc_bind != NULL);
5754 
5755       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5756       static kmp_setting_t *volatile rivals[4];
5757       int i = 0;
5758 
5759       rivals[i++] = kmp_affinity;
5760 
5761 #ifdef KMP_GOMP_COMPAT
5762       rivals[i++] = gomp_cpu_affinity;
5763       gomp_cpu_affinity->data = CCAST(kmp_setting_t **, rivals);
5764 #endif
5765 
5766       rivals[i++] = omp_proc_bind;
5767       omp_proc_bind->data = CCAST(kmp_setting_t **, rivals);
5768       rivals[i++] = NULL;
5769 
5770       static kmp_setting_t *volatile places_rivals[4];
5771       i = 0;
5772 
5773       kmp_setting_t *omp_places = __kmp_stg_find("OMP_PLACES"); // 3rd priority.
5774       KMP_DEBUG_ASSERT(omp_places != NULL);
5775 
5776       places_rivals[i++] = kmp_affinity;
5777 #ifdef KMP_GOMP_COMPAT
5778       places_rivals[i++] = gomp_cpu_affinity;
5779 #endif
5780       places_rivals[i++] = omp_places;
5781       omp_places->data = CCAST(kmp_setting_t **, places_rivals);
5782       places_rivals[i++] = NULL;
5783     }
5784 #else
5785 // KMP_AFFINITY not supported, so OMP_PROC_BIND has no rivals.
5786 // OMP_PLACES not supported yet.
5787 #endif // KMP_AFFINITY_SUPPORTED
5788 
5789     { // Initialize KMP_DETERMINISTIC_REDUCTION and KMP_FORCE_REDUCTION data.
5790       kmp_setting_t *kmp_force_red =
5791           __kmp_stg_find("KMP_FORCE_REDUCTION"); // 1st priority.
5792       kmp_setting_t *kmp_determ_red =
5793           __kmp_stg_find("KMP_DETERMINISTIC_REDUCTION"); // 2nd priority.
5794 
5795       // !!! volatile keyword is Intel(R) C Compiler bug CQ49908 workaround.
5796       static kmp_setting_t *volatile rivals[3];
5797       static kmp_stg_fr_data_t force_data = {1,
5798                                              CCAST(kmp_setting_t **, rivals)};
5799       static kmp_stg_fr_data_t determ_data = {0,
5800                                               CCAST(kmp_setting_t **, rivals)};
5801       int i = 0;
5802 
5803       rivals[i++] = kmp_force_red;
5804       if (kmp_determ_red != NULL) {
5805         rivals[i++] = kmp_determ_red;
5806       }
5807       rivals[i++] = NULL;
5808 
5809       kmp_force_red->data = &force_data;
5810       if (kmp_determ_red != NULL) {
5811         kmp_determ_red->data = &determ_data;
5812       }
5813     }
5814 
5815     initialized = 1;
5816   }
5817 
5818   // Reset flags.
5819   int i;
5820   for (i = 0; i < __kmp_stg_count; ++i) {
5821     __kmp_stg_table[i].set = 0;
5822   }
5823 
5824 } // __kmp_stg_init
5825 
5826 static void __kmp_stg_parse(char const *name, char const *value) {
5827   // On Windows* OS there are some nameless variables like "C:=C:\" (yeah,
5828   // really nameless, they are presented in environment block as
5829   // "=C:=C\\\x00=D:=D:\\\x00...", so let us skip them.
5830   if (name[0] == 0) {
5831     return;
5832   }
5833 
5834   if (value != NULL) {
5835     kmp_setting_t *setting = __kmp_stg_find(name);
5836     if (setting != NULL) {
5837       setting->parse(name, value, setting->data);
5838       setting->defined = 1;
5839     }
5840   }
5841 
5842 } // __kmp_stg_parse
5843 
5844 static int __kmp_stg_check_rivals( // 0 -- Ok, 1 -- errors found.
5845     char const *name, // Name of variable.
5846     char const *value, // Value of the variable.
5847     kmp_setting_t **rivals // List of rival settings (must include current one).
5848 ) {
5849 
5850   if (rivals == NULL) {
5851     return 0;
5852   }
5853 
5854   // Loop thru higher priority settings (listed before current).
5855   int i = 0;
5856   for (; strcmp(rivals[i]->name, name) != 0; i++) {
5857     KMP_DEBUG_ASSERT(rivals[i] != NULL);
5858 
5859 #if KMP_AFFINITY_SUPPORTED
5860     if (rivals[i] == __kmp_affinity_notype) {
5861       // If KMP_AFFINITY is specified without a type name,
5862       // it does not rival OMP_PROC_BIND or GOMP_CPU_AFFINITY.
5863       continue;
5864     }
5865 #endif
5866 
5867     if (rivals[i]->set) {
5868       KMP_WARNING(StgIgnored, name, rivals[i]->name);
5869       return 1;
5870     }
5871   }
5872 
5873   ++i; // Skip current setting.
5874   return 0;
5875 
5876 } // __kmp_stg_check_rivals
5877 
5878 static int __kmp_env_toPrint(char const *name, int flag) {
5879   int rc = 0;
5880   kmp_setting_t *setting = __kmp_stg_find(name);
5881   if (setting != NULL) {
5882     rc = setting->defined;
5883     if (flag >= 0) {
5884       setting->defined = flag;
5885     }
5886   }
5887   return rc;
5888 }
5889 
5890 static void __kmp_aux_env_initialize(kmp_env_blk_t *block) {
5891 
5892   char const *value;
5893 
5894   /* OMP_NUM_THREADS */
5895   value = __kmp_env_blk_var(block, "OMP_NUM_THREADS");
5896   if (value) {
5897     ompc_set_num_threads(__kmp_dflt_team_nth);
5898   }
5899 
5900   /* KMP_BLOCKTIME */
5901   value = __kmp_env_blk_var(block, "KMP_BLOCKTIME");
5902   if (value) {
5903     kmpc_set_blocktime(__kmp_dflt_blocktime);
5904   }
5905 
5906   /* OMP_NESTED */
5907   value = __kmp_env_blk_var(block, "OMP_NESTED");
5908   if (value) {
5909     ompc_set_nested(__kmp_dflt_max_active_levels > 1);
5910   }
5911 
5912   /* OMP_DYNAMIC */
5913   value = __kmp_env_blk_var(block, "OMP_DYNAMIC");
5914   if (value) {
5915     ompc_set_dynamic(__kmp_global.g.g_dynamic);
5916   }
5917 }
5918 
5919 void __kmp_env_initialize(char const *string) {
5920 
5921   kmp_env_blk_t block;
5922   int i;
5923 
5924   __kmp_stg_init();
5925 
5926   // Hack!!!
5927   if (string == NULL) {
5928     // __kmp_max_nth = __kmp_sys_max_nth;
5929     __kmp_threads_capacity =
5930         __kmp_initial_threads_capacity(__kmp_dflt_team_nth_ub);
5931   }
5932   __kmp_env_blk_init(&block, string);
5933 
5934   // update the set flag on all entries that have an env var
5935   for (i = 0; i < block.count; ++i) {
5936     if ((block.vars[i].name == NULL) || (*block.vars[i].name == '\0')) {
5937       continue;
5938     }
5939     if (block.vars[i].value == NULL) {
5940       continue;
5941     }
5942     kmp_setting_t *setting = __kmp_stg_find(block.vars[i].name);
5943     if (setting != NULL) {
5944       setting->set = 1;
5945     }
5946   }
5947 
5948   // We need to know if blocktime was set when processing OMP_WAIT_POLICY
5949   blocktime_str = __kmp_env_blk_var(&block, "KMP_BLOCKTIME");
5950 
5951   // Special case. If we parse environment, not a string, process KMP_WARNINGS
5952   // first.
5953   if (string == NULL) {
5954     char const *name = "KMP_WARNINGS";
5955     char const *value = __kmp_env_blk_var(&block, name);
5956     __kmp_stg_parse(name, value);
5957   }
5958 
5959 #if KMP_AFFINITY_SUPPORTED
5960   // Special case. KMP_AFFINITY is not a rival to other affinity env vars
5961   // if no affinity type is specified.  We want to allow
5962   // KMP_AFFINITY=[no],verbose/[no]warnings/etc.  to be enabled when
5963   // specifying the affinity type via GOMP_CPU_AFFINITY or the OMP 4.0
5964   // affinity mechanism.
5965   __kmp_affinity_notype = NULL;
5966   char const *aff_str = __kmp_env_blk_var(&block, "KMP_AFFINITY");
5967   if (aff_str != NULL) {
5968     // Check if the KMP_AFFINITY type is specified in the string.
5969     // We just search the string for "compact", "scatter", etc.
5970     // without really parsing the string.  The syntax of the
5971     // KMP_AFFINITY env var is such that none of the affinity
5972     // type names can appear anywhere other that the type
5973     // specifier, even as substrings.
5974     //
5975     // I can't find a case-insensitive version of strstr on Windows* OS.
5976     // Use the case-sensitive version for now.
5977 
5978 #if KMP_OS_WINDOWS
5979 #define FIND strstr
5980 #else
5981 #define FIND strcasestr
5982 #endif
5983 
5984     if ((FIND(aff_str, "none") == NULL) &&
5985         (FIND(aff_str, "physical") == NULL) &&
5986         (FIND(aff_str, "logical") == NULL) &&
5987         (FIND(aff_str, "compact") == NULL) &&
5988         (FIND(aff_str, "scatter") == NULL) &&
5989         (FIND(aff_str, "explicit") == NULL) &&
5990         (FIND(aff_str, "balanced") == NULL) &&
5991         (FIND(aff_str, "disabled") == NULL)) {
5992       __kmp_affinity_notype = __kmp_stg_find("KMP_AFFINITY");
5993     } else {
5994       // A new affinity type is specified.
5995       // Reset the affinity flags to their default values,
5996       // in case this is called from kmp_set_defaults().
5997       __kmp_affinity_type = affinity_default;
5998       __kmp_affinity_gran = KMP_HW_UNKNOWN;
5999       __kmp_affinity_top_method = affinity_top_method_default;
6000       __kmp_affinity_respect_mask = affinity_respect_mask_default;
6001     }
6002 #undef FIND
6003 
6004     // Also reset the affinity flags if OMP_PROC_BIND is specified.
6005     aff_str = __kmp_env_blk_var(&block, "OMP_PROC_BIND");
6006     if (aff_str != NULL) {
6007       __kmp_affinity_type = affinity_default;
6008       __kmp_affinity_gran = KMP_HW_UNKNOWN;
6009       __kmp_affinity_top_method = affinity_top_method_default;
6010       __kmp_affinity_respect_mask = affinity_respect_mask_default;
6011     }
6012   }
6013 
6014 #endif /* KMP_AFFINITY_SUPPORTED */
6015 
6016   // Set up the nested proc bind type vector.
6017   if (__kmp_nested_proc_bind.bind_types == NULL) {
6018     __kmp_nested_proc_bind.bind_types =
6019         (kmp_proc_bind_t *)KMP_INTERNAL_MALLOC(sizeof(kmp_proc_bind_t));
6020     if (__kmp_nested_proc_bind.bind_types == NULL) {
6021       KMP_FATAL(MemoryAllocFailed);
6022     }
6023     __kmp_nested_proc_bind.size = 1;
6024     __kmp_nested_proc_bind.used = 1;
6025 #if KMP_AFFINITY_SUPPORTED
6026     __kmp_nested_proc_bind.bind_types[0] = proc_bind_default;
6027 #else
6028     // default proc bind is false if affinity not supported
6029     __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6030 #endif
6031   }
6032 
6033   // Set up the affinity format ICV
6034   // Grab the default affinity format string from the message catalog
6035   kmp_msg_t m =
6036       __kmp_msg_format(kmp_i18n_msg_AffFormatDefault, "%P", "%i", "%n", "%A");
6037   KMP_DEBUG_ASSERT(KMP_STRLEN(m.str) < KMP_AFFINITY_FORMAT_SIZE);
6038 
6039   if (__kmp_affinity_format == NULL) {
6040     __kmp_affinity_format =
6041         (char *)KMP_INTERNAL_MALLOC(sizeof(char) * KMP_AFFINITY_FORMAT_SIZE);
6042   }
6043   KMP_STRCPY_S(__kmp_affinity_format, KMP_AFFINITY_FORMAT_SIZE, m.str);
6044   __kmp_str_free(&m.str);
6045 
6046   // Now process all of the settings.
6047   for (i = 0; i < block.count; ++i) {
6048     __kmp_stg_parse(block.vars[i].name, block.vars[i].value);
6049   }
6050 
6051   // If user locks have been allocated yet, don't reset the lock vptr table.
6052   if (!__kmp_init_user_locks) {
6053     if (__kmp_user_lock_kind == lk_default) {
6054       __kmp_user_lock_kind = lk_queuing;
6055     }
6056 #if KMP_USE_DYNAMIC_LOCK
6057     __kmp_init_dynamic_user_locks();
6058 #else
6059     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
6060 #endif
6061   } else {
6062     KMP_DEBUG_ASSERT(string != NULL); // kmp_set_defaults() was called
6063     KMP_DEBUG_ASSERT(__kmp_user_lock_kind != lk_default);
6064 // Binds lock functions again to follow the transition between different
6065 // KMP_CONSISTENCY_CHECK values. Calling this again is harmless as long
6066 // as we do not allow lock kind changes after making a call to any
6067 // user lock functions (true).
6068 #if KMP_USE_DYNAMIC_LOCK
6069     __kmp_init_dynamic_user_locks();
6070 #else
6071     __kmp_set_user_lock_vptrs(__kmp_user_lock_kind);
6072 #endif
6073   }
6074 
6075 #if KMP_AFFINITY_SUPPORTED
6076 
6077   if (!TCR_4(__kmp_init_middle)) {
6078 #if KMP_USE_HWLOC
6079     // Force using hwloc when either tiles or numa nodes requested within
6080     // KMP_HW_SUBSET or granularity setting and no other topology method
6081     // is requested
6082     if (__kmp_hw_subset &&
6083         __kmp_affinity_top_method == affinity_top_method_default)
6084       if (__kmp_hw_subset->specified(KMP_HW_NUMA) ||
6085           __kmp_hw_subset->specified(KMP_HW_TILE) ||
6086           __kmp_affinity_gran == KMP_HW_TILE ||
6087           __kmp_affinity_gran == KMP_HW_NUMA)
6088         __kmp_affinity_top_method = affinity_top_method_hwloc;
6089     // Force using hwloc when tiles or numa nodes requested for OMP_PLACES
6090     if (__kmp_affinity_gran == KMP_HW_NUMA ||
6091         __kmp_affinity_gran == KMP_HW_TILE)
6092       __kmp_affinity_top_method = affinity_top_method_hwloc;
6093 #endif
6094     // Determine if the machine/OS is actually capable of supporting
6095     // affinity.
6096     const char *var = "KMP_AFFINITY";
6097     KMPAffinity::pick_api();
6098 #if KMP_USE_HWLOC
6099     // If Hwloc topology discovery was requested but affinity was also disabled,
6100     // then tell user that Hwloc request is being ignored and use default
6101     // topology discovery method.
6102     if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
6103         __kmp_affinity_dispatch->get_api_type() != KMPAffinity::HWLOC) {
6104       KMP_WARNING(AffIgnoringHwloc, var);
6105       __kmp_affinity_top_method = affinity_top_method_all;
6106     }
6107 #endif
6108     if (__kmp_affinity_type == affinity_disabled) {
6109       KMP_AFFINITY_DISABLE();
6110     } else if (!KMP_AFFINITY_CAPABLE()) {
6111       __kmp_affinity_dispatch->determine_capable(var);
6112       if (!KMP_AFFINITY_CAPABLE()) {
6113         if (__kmp_affinity_verbose ||
6114             (__kmp_affinity_warnings &&
6115              (__kmp_affinity_type != affinity_default) &&
6116              (__kmp_affinity_type != affinity_none) &&
6117              (__kmp_affinity_type != affinity_disabled))) {
6118           KMP_WARNING(AffNotSupported, var);
6119         }
6120         __kmp_affinity_type = affinity_disabled;
6121         __kmp_affinity_respect_mask = 0;
6122         __kmp_affinity_gran = KMP_HW_THREAD;
6123       }
6124     }
6125 
6126     if (__kmp_affinity_type == affinity_disabled) {
6127       __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6128     } else if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_true) {
6129       // OMP_PROC_BIND=true maps to OMP_PROC_BIND=spread.
6130       __kmp_nested_proc_bind.bind_types[0] = proc_bind_spread;
6131     }
6132 
6133     if (KMP_AFFINITY_CAPABLE()) {
6134 
6135 #if KMP_GROUP_AFFINITY
6136       // This checks to see if the initial affinity mask is equal
6137       // to a single windows processor group.  If it is, then we do
6138       // not respect the initial affinity mask and instead, use the
6139       // entire machine.
6140       bool exactly_one_group = false;
6141       if (__kmp_num_proc_groups > 1) {
6142         int group;
6143         bool within_one_group;
6144         // Get the initial affinity mask and determine if it is
6145         // contained within a single group.
6146         kmp_affin_mask_t *init_mask;
6147         KMP_CPU_ALLOC(init_mask);
6148         __kmp_get_system_affinity(init_mask, TRUE);
6149         group = __kmp_get_proc_group(init_mask);
6150         within_one_group = (group >= 0);
6151         // If the initial affinity is within a single group,
6152         // then determine if it is equal to that single group.
6153         if (within_one_group) {
6154           DWORD num_bits_in_group = __kmp_GetActiveProcessorCount(group);
6155           DWORD num_bits_in_mask = 0;
6156           for (int bit = init_mask->begin(); bit != init_mask->end();
6157                bit = init_mask->next(bit))
6158             num_bits_in_mask++;
6159           exactly_one_group = (num_bits_in_group == num_bits_in_mask);
6160         }
6161         KMP_CPU_FREE(init_mask);
6162       }
6163 
6164       // Handle the Win 64 group affinity stuff if there are multiple
6165       // processor groups, or if the user requested it, and OMP 4.0
6166       // affinity is not in effect.
6167       if (__kmp_num_proc_groups > 1 &&
6168           __kmp_affinity_type == affinity_default &&
6169           __kmp_nested_proc_bind.bind_types[0] == proc_bind_default) {
6170         // Do not respect the initial processor affinity mask if it is assigned
6171         // exactly one Windows Processor Group since this is interpreted as the
6172         // default OS assignment. Not respecting the mask allows the runtime to
6173         // use all the logical processors in all groups.
6174         if (__kmp_affinity_respect_mask == affinity_respect_mask_default &&
6175             exactly_one_group) {
6176           __kmp_affinity_respect_mask = FALSE;
6177         }
6178         // Use compact affinity with anticipation of pinning to at least the
6179         // group granularity since threads can only be bound to one group.
6180         if (__kmp_affinity_type == affinity_default) {
6181           __kmp_affinity_type = affinity_compact;
6182           __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
6183         }
6184         if (__kmp_affinity_top_method == affinity_top_method_default)
6185           __kmp_affinity_top_method = affinity_top_method_all;
6186         if (__kmp_affinity_gran == KMP_HW_UNKNOWN)
6187           __kmp_affinity_gran = KMP_HW_PROC_GROUP;
6188       } else
6189 
6190 #endif /* KMP_GROUP_AFFINITY */
6191 
6192       {
6193         if (__kmp_affinity_respect_mask == affinity_respect_mask_default) {
6194 #if KMP_GROUP_AFFINITY
6195           if (__kmp_num_proc_groups > 1 && exactly_one_group) {
6196             __kmp_affinity_respect_mask = FALSE;
6197           } else
6198 #endif /* KMP_GROUP_AFFINITY */
6199           {
6200             __kmp_affinity_respect_mask = TRUE;
6201           }
6202         }
6203         if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
6204             (__kmp_nested_proc_bind.bind_types[0] != proc_bind_default)) {
6205           if (__kmp_affinity_type == affinity_default) {
6206             __kmp_affinity_type = affinity_compact;
6207             __kmp_affinity_dups = FALSE;
6208           }
6209         } else if (__kmp_affinity_type == affinity_default) {
6210 #if KMP_MIC_SUPPORTED
6211           if (__kmp_mic_type != non_mic) {
6212             __kmp_nested_proc_bind.bind_types[0] = proc_bind_intel;
6213           } else
6214 #endif
6215           {
6216             __kmp_nested_proc_bind.bind_types[0] = proc_bind_false;
6217           }
6218 #if KMP_MIC_SUPPORTED
6219           if (__kmp_mic_type != non_mic) {
6220             __kmp_affinity_type = affinity_scatter;
6221           } else
6222 #endif
6223           {
6224             __kmp_affinity_type = affinity_none;
6225           }
6226         }
6227         if ((__kmp_affinity_gran == KMP_HW_UNKNOWN) &&
6228             (__kmp_affinity_gran_levels < 0)) {
6229 #if KMP_MIC_SUPPORTED
6230           if (__kmp_mic_type != non_mic) {
6231             __kmp_affinity_gran = KMP_HW_THREAD;
6232           } else
6233 #endif
6234           {
6235             __kmp_affinity_gran = KMP_HW_CORE;
6236           }
6237         }
6238         if (__kmp_affinity_top_method == affinity_top_method_default) {
6239           __kmp_affinity_top_method = affinity_top_method_all;
6240         }
6241       }
6242     }
6243 
6244     K_DIAG(1, ("__kmp_affinity_type         == %d\n", __kmp_affinity_type));
6245     K_DIAG(1, ("__kmp_affinity_compact      == %d\n", __kmp_affinity_compact));
6246     K_DIAG(1, ("__kmp_affinity_offset       == %d\n", __kmp_affinity_offset));
6247     K_DIAG(1, ("__kmp_affinity_verbose      == %d\n", __kmp_affinity_verbose));
6248     K_DIAG(1, ("__kmp_affinity_warnings     == %d\n", __kmp_affinity_warnings));
6249     K_DIAG(1, ("__kmp_affinity_respect_mask == %d\n",
6250                __kmp_affinity_respect_mask));
6251     K_DIAG(1, ("__kmp_affinity_gran         == %d\n", __kmp_affinity_gran));
6252 
6253     KMP_DEBUG_ASSERT(__kmp_affinity_type != affinity_default);
6254     KMP_DEBUG_ASSERT(__kmp_nested_proc_bind.bind_types[0] != proc_bind_default);
6255     K_DIAG(1, ("__kmp_nested_proc_bind.bind_types[0] == %d\n",
6256                __kmp_nested_proc_bind.bind_types[0]));
6257   }
6258 
6259 #endif /* KMP_AFFINITY_SUPPORTED */
6260 
6261   if (__kmp_version) {
6262     __kmp_print_version_1();
6263   }
6264 
6265   // Post-initialization step: some env. vars need their value's further
6266   // processing
6267   if (string != NULL) { // kmp_set_defaults() was called
6268     __kmp_aux_env_initialize(&block);
6269   }
6270 
6271   __kmp_env_blk_free(&block);
6272 
6273   KMP_MB();
6274 
6275 } // __kmp_env_initialize
6276 
6277 void __kmp_env_print() {
6278 
6279   kmp_env_blk_t block;
6280   int i;
6281   kmp_str_buf_t buffer;
6282 
6283   __kmp_stg_init();
6284   __kmp_str_buf_init(&buffer);
6285 
6286   __kmp_env_blk_init(&block, NULL);
6287   __kmp_env_blk_sort(&block);
6288 
6289   // Print real environment values.
6290   __kmp_str_buf_print(&buffer, "\n%s\n\n", KMP_I18N_STR(UserSettings));
6291   for (i = 0; i < block.count; ++i) {
6292     char const *name = block.vars[i].name;
6293     char const *value = block.vars[i].value;
6294     if ((KMP_STRLEN(name) > 4 && strncmp(name, "KMP_", 4) == 0) ||
6295         strncmp(name, "OMP_", 4) == 0
6296 #ifdef KMP_GOMP_COMPAT
6297         || strncmp(name, "GOMP_", 5) == 0
6298 #endif // KMP_GOMP_COMPAT
6299     ) {
6300       __kmp_str_buf_print(&buffer, "   %s=%s\n", name, value);
6301     }
6302   }
6303   __kmp_str_buf_print(&buffer, "\n");
6304 
6305   // Print internal (effective) settings.
6306   __kmp_str_buf_print(&buffer, "%s\n\n", KMP_I18N_STR(EffectiveSettings));
6307   for (int i = 0; i < __kmp_stg_count; ++i) {
6308     if (__kmp_stg_table[i].print != NULL) {
6309       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
6310                                __kmp_stg_table[i].data);
6311     }
6312   }
6313 
6314   __kmp_printf("%s", buffer.str);
6315 
6316   __kmp_env_blk_free(&block);
6317   __kmp_str_buf_free(&buffer);
6318 
6319   __kmp_printf("\n");
6320 
6321 } // __kmp_env_print
6322 
6323 void __kmp_env_print_2() {
6324   __kmp_display_env_impl(__kmp_display_env, __kmp_display_env_verbose);
6325 } // __kmp_env_print_2
6326 
6327 void __kmp_display_env_impl(int display_env, int display_env_verbose) {
6328   kmp_env_blk_t block;
6329   kmp_str_buf_t buffer;
6330 
6331   __kmp_env_format = 1;
6332 
6333   __kmp_stg_init();
6334   __kmp_str_buf_init(&buffer);
6335 
6336   __kmp_env_blk_init(&block, NULL);
6337   __kmp_env_blk_sort(&block);
6338 
6339   __kmp_str_buf_print(&buffer, "\n%s\n", KMP_I18N_STR(DisplayEnvBegin));
6340   __kmp_str_buf_print(&buffer, "   _OPENMP='%d'\n", __kmp_openmp_version);
6341 
6342   for (int i = 0; i < __kmp_stg_count; ++i) {
6343     if (__kmp_stg_table[i].print != NULL &&
6344         ((display_env && strncmp(__kmp_stg_table[i].name, "OMP_", 4) == 0) ||
6345          display_env_verbose)) {
6346       __kmp_stg_table[i].print(&buffer, __kmp_stg_table[i].name,
6347                                __kmp_stg_table[i].data);
6348     }
6349   }
6350 
6351   __kmp_str_buf_print(&buffer, "%s\n", KMP_I18N_STR(DisplayEnvEnd));
6352   __kmp_str_buf_print(&buffer, "\n");
6353 
6354   __kmp_printf("%s", buffer.str);
6355 
6356   __kmp_env_blk_free(&block);
6357   __kmp_str_buf_free(&buffer);
6358 
6359   __kmp_printf("\n");
6360 }
6361 
6362 #if OMPD_SUPPORT
6363 // Dump environment variables for OMPD
6364 void __kmp_env_dump() {
6365 
6366   kmp_env_blk_t block;
6367   kmp_str_buf_t buffer, env, notdefined;
6368 
6369   __kmp_stg_init();
6370   __kmp_str_buf_init(&buffer);
6371   __kmp_str_buf_init(&env);
6372   __kmp_str_buf_init(&notdefined);
6373 
6374   __kmp_env_blk_init(&block, NULL);
6375   __kmp_env_blk_sort(&block);
6376 
6377   __kmp_str_buf_print(&notdefined, ": %s", KMP_I18N_STR(NotDefined));
6378 
6379   for (int i = 0; i < __kmp_stg_count; ++i) {
6380     if (__kmp_stg_table[i].print == NULL)
6381       continue;
6382     __kmp_str_buf_clear(&env);
6383     __kmp_stg_table[i].print(&env, __kmp_stg_table[i].name,
6384                              __kmp_stg_table[i].data);
6385     if (env.used < 4) // valid definition must have indents (3) and a new line
6386       continue;
6387     if (strstr(env.str, notdefined.str))
6388       // normalize the string
6389       __kmp_str_buf_print(&buffer, "%s=undefined\n", __kmp_stg_table[i].name);
6390     else
6391       __kmp_str_buf_cat(&buffer, env.str + 3, env.used - 3);
6392   }
6393 
6394   ompd_env_block = (char *)__kmp_allocate(buffer.used + 1);
6395   KMP_MEMCPY(ompd_env_block, buffer.str, buffer.used + 1);
6396   ompd_env_block_size = (ompd_size_t)KMP_STRLEN(ompd_env_block);
6397 
6398   __kmp_env_blk_free(&block);
6399   __kmp_str_buf_free(&buffer);
6400   __kmp_str_buf_free(&env);
6401   __kmp_str_buf_free(&notdefined);
6402 }
6403 #endif // OMPD_SUPPORT
6404 
6405 // end of file
6406