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