xref: /openbsd/gnu/usr.bin/perl/os2/os2ish.h (revision 3d61058a)
1 #include <signal.h>
2 #include <io.h>
3 /* #include <sys/select.h> */
4 
5 /* HAS_IOCTL:
6  *	This symbol, if defined, indicates that the ioctl() routine is
7  *	available to set I/O characteristics
8  */
9 #define HAS_IOCTL               /**/
10 
11 /* HAS_UTIME:
12  *	This symbol, if defined, indicates that the routine utime() is
13  *	available to update the access and modification times of files.
14  */
15 #define HAS_UTIME		/**/
16 
17 /* BIG_TIME:
18  *	This symbol is defined if Time_t is an unsigned type on this system.
19  */
20 #define BIG_TIME
21 
22 #define HAS_KILL
23 #define HAS_WAIT
24 #define HAS_DLERROR
25 #define HAS_WAITPID_RUNTIME (_emx_env & 0x200)
26 
27 /* HAS_PASSWD
28  *	This symbol, if defined, indicates that the getpwnam() and
29  *	getpwuid() routines are available to get password entries.
30  *	The getpwent() has a separate definition, HAS_GETPWENT.
31  */
32 #define HAS_PASSWD
33 
34 /* HAS_GROUP
35  *	This symbol, if defined, indicates that the getgrnam() and
36  *	getgrgid() routines are available to get group entries.
37  *	The getgrent() has a separate definition, HAS_GETGRENT.
38  */
39 #define HAS_GROUP
40 #define HAS_GETGRENT			/* fake */
41 #define HAS_SETGRENT			/* fake */
42 #define HAS_ENDGRENT			/* fake */
43 
44 /* USEMYBINMODE
45  *	This symbol, if defined, indicates that the program should
46  *	use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
47  *	that a file is in "binary" mode -- that is, that no translation
48  *	of bytes occurs on read or write operations.
49  */
50 #undef USEMYBINMODE
51 
52 #define SOCKET_OPEN_MODE	"b"
53 
54 /* Stat_t:
55  *	This symbol holds the type used to declare buffers for information
56  *	returned by stat().  It's usually just struct stat.  It may be necessary
57  *	to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
58  *	information.
59  */
60 #define Stat_t struct stat
61 
62 /* USE_STAT_RDEV:
63  *	This symbol is defined if this system has a stat structure declaring
64  *	st_rdev
65  */
66 #define USE_STAT_RDEV 	/**/
67 
68 /* ACME_MESS:
69  *	This symbol, if defined, indicates that error messages should be
70  *	should be generated in a format that allows the use of the Acme
71  *	GUI/editor's autofind feature.
72  */
73 #undef ACME_MESS	/**/
74 
75 /* ALTERNATE_SHEBANG:
76  *	This symbol, if defined, contains a "magic" string which may be used
77  *	as the first line of a Perl program designed to be executed directly
78  *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
79  *	begins with a character other then #, then Perl will only treat
80  *	it as a command line if it finds the string "perl" in the first
81  *	word; otherwise it's treated as the first line of code in the script.
82  *	(IOW, Perl won't hand off to another interpreter via an alternate
83  *	shebang sequence that might be legal Perl code.)
84  */
85 #define ALTERNATE_SHEBANG "extproc "
86 
87 #ifndef SIGABRT
88 #    define SIGABRT SIGILL
89 #endif
90 #ifndef SIGILL
91 #    define SIGILL 6         /* blech */
92 #endif
93 #define ABORT() kill(PerlProc_getpid(),SIGABRT);
94 
95 #define BIT_BUCKET "/dev/nul"  /* Will this work? */
96 
97 /* Apparently TCPIPV4 defines may be included even with only IAK present */
98 
99 #if !defined(NO_TCPIPV4) && !defined(TCPIPV4)
100 #  define TCPIPV4
101 #  define TCPIPV4_FORCED		/* Just in case */
102 #endif
103 
104 #if defined(I_SYS_UN) && !defined(TCPIPV4)
105 /* It is not working without TCPIPV4 defined. */
106 # undef I_SYS_UN
107 #endif
108 
109 #ifdef USE_ITHREADS
110 
111 #define do_spawn(a)      os2_do_spawn(aTHX_ (a))
112 #define do_aspawn(a,b,c) os2_do_aspawn(aTHX_ (a),(b),(c))
113 
114 #define OS2_ERROR_ALREADY_POSTED 299	/* Avoid os2.h */
115 
116 extern int rc;
117 
118 #define MUTEX_INIT(m) \
119     STMT_START {						\
120         int rc;							\
121         if ((rc = _rmutex_create(m,0)))				\
122             Perl_croak_nocontext("panic: MUTEX_INIT: rc=%i", rc);	\
123     } STMT_END
124 #define MUTEX_LOCK(m) \
125     STMT_START {						\
126         int rc;							\
127         if ((rc = _rmutex_request(m,_FMR_IGNINT)))		\
128             Perl_croak_nocontext("panic: MUTEX_LOCK: rc=%i", rc);	\
129     } STMT_END
130 #define MUTEX_UNLOCK(m) \
131     STMT_START {						\
132         int rc;							\
133         if ((rc = _rmutex_release(m)))				\
134             Perl_croak_nocontext("panic: MUTEX_UNLOCK: rc=%i", rc);	\
135     } STMT_END
136 #define MUTEX_DESTROY(m) \
137     STMT_START {						\
138         int rc;							\
139         if ((rc = _rmutex_close(m)))				\
140             Perl_croak_nocontext("panic: MUTEX_DESTROY: rc=%i", rc);	\
141     } STMT_END
142 
143 #define COND_INIT(c) \
144     STMT_START {						\
145         int rc;							\
146         if ((rc = DosCreateEventSem(NULL,c,0,0)))		\
147             Perl_croak_nocontext("panic: COND_INIT: rc=%i", rc);	\
148     } STMT_END
149 #define COND_SIGNAL(c) \
150     STMT_START {						\
151         int rc;							\
152         if ((rc = DosPostEventSem(*(c))) && rc != OS2_ERROR_ALREADY_POSTED)\
153             Perl_croak_nocontext("panic: COND_SIGNAL, rc=%ld", rc);	\
154     } STMT_END
155 #define COND_BROADCAST(c) \
156     STMT_START {						\
157         int rc;							\
158         if ((rc = DosPostEventSem(*(c))) && rc != OS2_ERROR_ALREADY_POSTED)\
159             Perl_croak_nocontext("panic: COND_BROADCAST, rc=%i", rc);	\
160     } STMT_END
161 /* #define COND_WAIT(c, m) \
162     STMT_START {						\
163         if (WaitForSingleObject(*(c),INFINITE) == WAIT_FAILED)	\
164             Perl_croak_nocontext("panic: COND_WAIT");		\
165     } STMT_END
166 */
167 #define COND_WAIT(c, m) os2_cond_wait(c,m)
168 
169 #define COND_WAIT_win32(c, m) \
170     STMT_START {						\
171         int rc;							\
172         if ((rc = SignalObjectAndWait(*(m),*(c),INFINITE,FALSE)))	\
173             Perl_croak_nocontext("panic: COND_WAIT");			\
174         else							\
175             MUTEX_LOCK(m);					\
176     } STMT_END
177 #define COND_DESTROY(c) \
178     STMT_START {						\
179         int rc;							\
180         if ((rc = DosCloseEventSem(*(c))))			\
181             Perl_croak_nocontext("panic: COND_DESTROY, rc=%i", rc);	\
182     } STMT_END
183 /*#define THR ((struct thread *) TlsGetValue(PL_thr_key))
184 */
185 
186 #ifdef USE_SLOW_THREAD_SPECIFIC
187 #  define pthread_getspecific(k)	(*_threadstore())
188 #  define pthread_setspecific(k,v)	(*_threadstore()=v,0)
189 #  define pthread_key_create(keyp,flag)	(*keyp=_gettid(),0)
190 #else /* USE_SLOW_THREAD_SPECIFIC */
191 #  define pthread_getspecific(k)	(*(k))
192 #  define pthread_setspecific(k,v)	(*(k)=(v),0)
193 #  define pthread_key_create(keyp,flag)			\
194         ( DosAllocThreadLocalMemory(1,(unsigned long**)keyp)	\
195           /* diag_listed_as: Out of memory in perl:%s */ \
196           ? Perl_croak_nocontext("Out of memory in perl:os2:pthread_key_create"), 1        \
197           : 0						\
198         )
199 #endif /* USE_SLOW_THREAD_SPECIFIC */
200 #define pthread_key_delete(keyp)
201 #define pthread_self()			_gettid()
202 #define YIELD				DosSleep(0)
203 
204 #ifdef PTHREADS_INCLUDED		/* For ./x2p stuff. */
205 int pthread_join(pthread_t tid, void **status);
206 int pthread_detach(pthread_t tid);
207 int pthread_create(pthread_t *tid, const pthread_attr_t *attr,
208                    void *(*start_routine)(void*), void *arg);
209 #endif /* PTHREAD_INCLUDED */
210 
211 #define THREADS_ELSEWHERE
212 
213 #else /* USE_ITHREADS */
214 
215 #define do_spawn(a)      os2_do_spawn(a)
216 #define do_aspawn(a,b,c) os2_do_aspawn((a),(b),(c))
217 
218 void Perl_OS2_init(char **);
219 void Perl_OS2_init3(char **envp, void **excH, int flags);
220 void Perl_OS2_term(void **excH, int exitstatus, int flags);
221 
222 /* The code without INIT3 hideously puts env inside: */
223 
224 /* These ones should be in the same block as PERL_SYS_TERM() */
225 #ifdef PERL_CORE
226 
227 #  define PERL_SYS_INIT3_BODY(argcp, argvp, envp)	\
228   { void *xreg[2];				\
229     MALLOC_CHECK_TAINT(*argcp, *argvp, *envp)	\
230     _response(argcp, argvp);			\
231     _wildcard(argcp, argvp);			\
232     Perl_OS2_init3(*envp, xreg, 0);		\
233     PERLIO_INIT
234 
235 #  define PERL_SYS_INIT_BODY(argcp, argvp)  {	\
236   { void *xreg[2];				\
237     _response(argcp, argvp);			\
238     _wildcard(argcp, argvp);			\
239     Perl_OS2_init3(NULL, xreg, 0);		\
240     PERLIO_INIT
241 
242 #else  /* Compiling embedded Perl or Perl extension */
243 
244 #  define PERL_SYS_INIT3_BODY(argcp, argvp, envp)	\
245   { void *xreg[2];				\
246     Perl_OS2_init3(*envp, xreg, 0);		\
247     PERLIO_INIT
248 #  define PERL_SYS_INIT_BODY(argcp, argvp)	{	\
249   { void *xreg[2];				\
250     Perl_OS2_init3(NULL, xreg, 0);		\
251     PERLIO_INIT
252 #endif
253 
254 #define FORCE_EMX_DEINIT_EXIT		1
255 #define FORCE_EMX_DEINIT_CRT_TERM	2
256 #define FORCE_EMX_DEINIT_RUN_ATEXIT	4
257 
258 #define PERL_SYS_TERM2(xreg,flags)					\
259   Perl_OS2_term(xreg, 0, flags);					\
260   PERLIO_TERM;								\
261   MALLOC_TERM
262 
263 #define PERL_SYS_TERM1(xreg)						\
264      Perl_OS2_term(xreg, 0, FORCE_EMX_DEINIT_RUN_ATEXIT)
265 
266 /* This one should come in pair with PERL_SYS_INIT_BODY() and in the same block */
267 #define PERL_SYS_TERM_BODY()							\
268      PERL_SYS_TERM1(xreg);						\
269   }
270 
271 #ifndef __EMX__
272 #  define PERL_CALLCONV _System
273 #endif
274 
275 /* #define PERL_SYS_TERM_BODY() STMT_START {	\
276     if (Perl_HAB_set) WinTerminate(Perl_hab);	} STMT_END */
277 
278 #define dXSUB_SYS int fake = OS2_XS_init() PERL_UNUSED_DECL
279 
280 #ifdef PERL_IS_AOUT
281 /* #  define HAS_FORK */
282 /* #  define HIDEMYMALLOC */
283 /* #  define PERL_SBRK_VIA_MALLOC */ /* gets off-page sbrk... */
284 #else /* !PERL_IS_AOUT */
285 #  ifndef PERL_FOR_X2P
286 #    ifdef EMX_BAD_SBRK
287 #      define USE_PERL_SBRK
288 #    endif
289 #  else
290 #    define PerlIO FILE
291 #  endif
292 #  define SYSTEM_ALLOC(a) sys_alloc(a)
293 
294 void *sys_alloc(int size);
295 
296 #endif /* !PERL_IS_AOUT */
297 #if !defined(PERL_CORE) && !defined(PerlIO) /* a2p */
298 #  define PerlIO FILE
299 #endif
300 
301 /* os2ish is used from a2p/a2p.h without pTHX/pTHX_ first being
302  * defined.  Hack around this to get us to compile.
303 */
304 #ifdef PTHX_UNUSED
305 # ifndef pTHX
306 #  define pTHX
307 # endif
308 # ifndef pTHX_
309 #  define pTHX_
310 # endif
311 #endif
312 
313 #define TMPPATH1 "plXXXXXX"
314 extern const char *tmppath;
315 PerlIO *my_syspopen(pTHX_ char *cmd, char *mode);
316 #ifdef PERL_CORE
317 /* Cannot prototype with I32, SV at this point (used in x2p too). */
318 PerlIO *my_syspopen4(pTHX_ char *cmd, char *mode, I32 cnt, SV** args);
319 #endif
320 int my_syspclose(PerlIO *f);
321 FILE *my_tmpfile (void);
322 char *my_tmpnam (char *);
323 int my_mkdir (__const__ char *, long);
324 int my_rmdir (__const__ char *);
325 struct passwd *my_getpwent (void);
326 void my_setpwent (void);
327 void my_endpwent (void);
328 char *gcvt_os2(double value, int digits, char *buffer);
329 
330 extern int async_mssleep(unsigned long ms, int switch_priority);
331 extern unsigned long msCounter(void);
332 extern unsigned long InfoTable(int local);
333 extern unsigned long find_myself(void);
334 
335 #define MAX_SLEEP	(((1<30) / (1000/4))-1)	/* 1<32 msec */
336 
337 static __inline__ unsigned
my_sleep(unsigned sec)338 my_sleep(unsigned sec)
339 {
340   int remain;
341   while (sec > MAX_SLEEP) {
342     sec -= MAX_SLEEP;
343     remain = sleep(MAX_SLEEP);
344     if (remain)
345       return remain + sec;
346   }
347   return sleep(sec);
348 }
349 
350 #define sleep		my_sleep
351 
352 #ifndef INCL_DOS
353 unsigned long DosSleep(unsigned long);
354 unsigned long DosAllocThreadLocalMemory (unsigned long cb, unsigned long **p);
355 #endif
356 
357 struct group *getgrent (void);
358 void setgrent (void);
359 void endgrent (void);
360 
361 struct passwd *my_getpwuid (uid_t);
362 struct passwd *my_getpwnam (__const__ char *);
363 
364 #undef L_tmpnam
365 #define L_tmpnam MAXPATHLEN
366 
367 #define tmpfile	my_tmpfile
368 #define tmpnam	my_tmpnam
369 #define isatty	_isterm
370 #define rand	random
371 #define srand	srandom
372 #define strtoll	_strtoll
373 #define strtoull	_strtoull
374 
375 #define usleep(usec)	((void)async_mssleep(((usec)+500)/1000, 500))
376 
377 
378 /*
379  * fwrite1() should be a routine with the same calling sequence as fwrite(),
380  * but which outputs all of the bytes requested as a single stream (unlike
381  * fwrite() itself, which on some systems outputs several distinct records
382  * if the number_of_items parameter is >1).
383  */
384 #define fwrite1 fwrite
385 
386 #define my_getenv(var) getenv(var)
387 #define flock	my_flock
388 #define rmdir	my_rmdir
389 #define mkdir	my_mkdir
390 #define setpwent	my_setpwent
391 #define getpwent	my_getpwent
392 #define endpwent	my_endpwent
393 #define getpwuid	my_getpwuid
394 #define getpwnam	my_getpwnam
395 
396 void *emx_calloc (size_t, size_t);
397 void emx_free (void *);
398 void *emx_malloc (size_t);
399 void *emx_realloc (void *, size_t);
400 
401 /*****************************************************************************/
402 
403 #include <stdlib.h>	/* before the following definitions */
404 #include <unistd.h>	/* before the following definitions */
405 #include <fcntl.h>
406 #include <sys/stat.h>
407 
408 #define chdir	_chdir2
409 #define getcwd	_getcwd2
410 
411 /* This guy is needed for quick stdstd  */
412 
413 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
414         /* Perl uses ungetc only with successful return */
415 #  define ungetc(c,fp) \
416         (FILE_ptr(fp) > FILE_base(fp) && c == (int)*(FILE_ptr(fp) - 1) \
417          ? (--FILE_ptr(fp), ++FILE_cnt(fp), (int)c) : ungetc(c,fp))
418 #endif
419 
420 #define PERLIO_IS_BINMODE_FD(fd) _PERLIO_IS_BINMODE_FD(fd)
421 
422 #include <emx/io.h> /* for _fd_flags() prototype */
423 
424 static inline bool
_PERLIO_IS_BINMODE_FD(int fd)425 _PERLIO_IS_BINMODE_FD(int fd)
426 {
427     int *pflags = _fd_flags(fd);
428 
429     return pflags && (*pflags) & O_BINARY;
430 }
431 
432 /* ctermid is missing from emx0.9d */
433 char *ctermid(char *s);
434 
435 #define OP_BINARY O_BINARY
436 
437 #define OS2_STAT_HACK 1
438 #if OS2_STAT_HACK
439 
440 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
441 #define Fstat(fd,bufptr)   os2_fstat((fd),(bufptr))
442 #define Fflush(fp)         fflush(fp)
443 #define Mkdir(path,mode)   mkdir((path),(mode))
444 #define chmod(path,mode)   os2_chmod((path),(mode))
445 
446 #undef S_IFBLK
447 #undef S_ISBLK
448 #define S_IFBLK		0120000		/* Hacks to make things compile... */
449 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
450 
451 int os2_chmod(const char *name, int pmode);
452 int os2_fstat(int handle, struct stat *st);
453 
454 #else
455 
456 #define Stat(fname,bufptr) stat((fname),(bufptr))
457 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
458 #define Fflush(fp)         fflush(fp)
459 #define Mkdir(path,mode)   mkdir((path),(mode))
460 
461 #endif
462 
463 /* With SD386 it is impossible to debug register variables. */
464 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
465 #  define register
466 #endif
467 
468 /* Our private OS/2 specific data. */
469 
470 typedef struct OS2_Perl_data {
471   unsigned long flags;
472   unsigned long phab;
473   int (*xs_init)();
474   unsigned long rc;
475   unsigned long severity;
476   unsigned long	phmq;			/* Handle to message queue */
477   unsigned long	phmq_refcnt;
478   unsigned long	phmq_servers;
479   unsigned long	initial_mode;		/* VIO etc. mode we were started in */
480   unsigned long	morph_refcnt;
481 } OS2_Perl_data_t;
482 
483 extern OS2_Perl_data_t OS2_Perl_data;
484 
485 #define Perl_hab		((HAB)OS2_Perl_data.phab)
486 #define Perl_rc			(OS2_Perl_data.rc)
487 #define Perl_severity		(OS2_Perl_data.severity)
488 #define errno_isOS2		12345678
489 #define errno_isOS2_set		12345679
490 #define OS2_Perl_flags	(OS2_Perl_data.flags)
491 #define Perl_HAB_set_f	1
492 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
493 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
494 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
495 #define _obtain_Perl_HAB (init_PMWIN_entries(),				\
496                           Perl_hab = (*PMWIN_entries.Initialize)(0),	\
497                           set_Perl_HAB_f, Perl_hab)
498 #define perl_hab_GET()	(Perl_HAB_set ? Perl_hab : _obtain_Perl_HAB)
499 #define Acquire_hab()	perl_hab_GET()
500 #define Perl_hmq	((HMQ)OS2_Perl_data.phmq)
501 #define Perl_hmq_refcnt	(OS2_Perl_data.phmq_refcnt)
502 #define Perl_hmq_servers	(OS2_Perl_data.phmq_servers)
503 #define Perl_os2_initial_mode	(OS2_Perl_data.initial_mode)
504 #define Perl_morph_refcnt	(OS2_Perl_data.morph_refcnt)
505 
506 unsigned long Perl_hab_GET();
507 unsigned long Perl_Register_MQ(int serve);
508 void	Perl_Deregister_MQ(int serve);
509 int	Perl_Serve_Messages(int force);
510 /* Cannot prototype with I32 at this point. */
511 int	Perl_Process_Messages(int force, long *cntp);
512 char	*os2_execname(pTHX);
513 
514 struct _QMSG;
515 struct PMWIN_entries_t {
516     unsigned long (*Initialize)( unsigned long fsOptions );
517     unsigned long (*CreateMsgQueue)(unsigned long hab, long cmsg);
518     int (*DestroyMsgQueue)(unsigned long hmq);
519     int (*PeekMsg)(unsigned long hab, struct _QMSG *pqmsg,
520                    unsigned long hwndFilter, unsigned long msgFilterFirst,
521                    unsigned long msgFilterLast, unsigned long fl);
522     int (*GetMsg)(unsigned long hab, struct _QMSG *pqmsg,
523                   unsigned long hwndFilter, unsigned long msgFilterFirst,
524                   unsigned long msgFilterLast);
525     void * (*DispatchMsg)(unsigned long hab, struct _QMSG *pqmsg);
526     unsigned long (*GetLastError)(unsigned long hab);
527     unsigned long (*CancelShutdown)(unsigned long hmq, unsigned long fCancelAlways);
528 };
529 extern struct PMWIN_entries_t PMWIN_entries;
530 void init_PMWIN_entries(void);
531 
532 #define perl_hmq_GET(serve)	Perl_Register_MQ(serve)
533 #define perl_hmq_UNSET(serve)	Perl_Deregister_MQ(serve)
534 
535 #define OS2_XS_init() (*OS2_Perl_data.xs_init)(aTHX)
536 
537 #if _EMX_CRT_REV_ >= 60
538 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2_set, \
539                                 _setsyserrno(rc))
540 #else
541 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2)
542 #endif
543 
544 /* The expressions below return true on error. */
545 /* INCL_DOSERRORS needed. rc should be declared outside. */
546 #define CheckOSError(expr) ((rc = (expr)) ? (FillOSError(rc), rc) : 0)
547 /* INCL_WINERRORS needed. */
548 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
549 
550 /* This form propagates the return value, setting $^E if needed */
551 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
552 
553 /* This form propagates the return value, dieing with $^E if needed */
554 #define SaveCroakWinError(expr,die,name1,name2)		\
555   ((expr) ? : (CroakWinError(die,name1 name2), 0))
556 
557 #define FillOSError(rc) (os2_setsyserrno(rc),				\
558                         Perl_severity = SEVERITY_ERROR)
559 
560 #define WinError_2_Perl_rc	\
561  (	init_PMWIN_entries(),	\
562         Perl_rc=(*PMWIN_entries.GetLastError)(perl_hab_GET()) )
563 
564 /* Calling WinGetLastError() resets the error code of the current thread.
565    Since for some Win* API return value 0 is normal, one needs to call
566    this before calling them to distinguish normal and anomalous returns.  */
567 /*#define ResetWinError()	WinError_2_Perl_rc */
568 
569 /* At this moment init_PMWIN_entries() should be a nop (WinInitialize should
570    be called already, right?), so we do not risk stepping over our own error */
571 #define FillWinError (	WinError_2_Perl_rc,				\
572                         Perl_severity = ERRORIDSEV(Perl_rc),		\
573                         Perl_rc = ERRORIDERROR(Perl_rc),		\
574                         os2_setsyserrno(Perl_rc))
575 
576 #define STATIC_FILE_LENGTH 127
577 
578     /* This should match loadOrdinals[] array in os2.c */
579 enum entries_ordinals {
580     ORD_DosQueryExtLibpath,
581     ORD_DosSetExtLibpath,
582     ORD_DosVerifyPidTid,
583     ORD_SETHOSTENT,
584     ORD_SETNETENT,
585     ORD_SETPROTOENT,
586     ORD_SETSERVENT,
587     ORD_GETHOSTENT,
588     ORD_GETNETENT,
589     ORD_GETPROTOENT,
590     ORD_GETSERVENT,
591     ORD_ENDHOSTENT,
592     ORD_ENDNETENT,
593     ORD_ENDPROTOENT,
594     ORD_ENDSERVENT,
595     ORD_WinInitialize,
596     ORD_WinCreateMsgQueue,
597     ORD_WinDestroyMsgQueue,
598     ORD_WinPeekMsg,
599     ORD_WinGetMsg,
600     ORD_WinDispatchMsg,
601     ORD_WinGetLastError,
602     ORD_WinCancelShutdown,
603     ORD_RexxStart,
604     ORD_RexxVariablePool,
605     ORD_RexxRegisterFunctionExe,
606     ORD_RexxDeregisterFunction,
607     ORD_DOSSMSETTITLE,
608     ORD_PRF32QUERYPROFILESIZE,
609     ORD_PRF32OPENPROFILE,
610     ORD_PRF32CLOSEPROFILE,
611     ORD_PRF32QUERYPROFILE,
612     ORD_PRF32RESET,
613     ORD_PRF32QUERYPROFILEDATA,
614     ORD_PRF32WRITEPROFILEDATA,
615 
616     ORD_WinChangeSwitchEntry,
617     ORD_WinQuerySwitchEntry,
618     ORD_WinQuerySwitchHandle,
619     ORD_WinQuerySwitchList,
620     ORD_WinSwitchToProgram,
621     ORD_WinBeginEnumWindows,
622     ORD_WinEndEnumWindows,
623     ORD_WinEnumDlgItem,
624     ORD_WinGetNextWindow,
625     ORD_WinIsChild,
626     ORD_WinQueryActiveWindow,
627     ORD_WinQueryClassName,
628     ORD_WinQueryFocus,
629     ORD_WinQueryWindow,
630     ORD_WinQueryWindowPos,
631     ORD_WinQueryWindowProcess,
632     ORD_WinQueryWindowText,
633     ORD_WinQueryWindowTextLength,
634     ORD_WinSetFocus,
635     ORD_WinSetWindowPos,
636     ORD_WinSetWindowText,
637     ORD_WinShowWindow,
638     ORD_WinIsWindow,
639     ORD_WinWindowFromId,
640     ORD_WinWindowFromPoint,
641     ORD_WinPostMsg,
642     ORD_WinEnableWindow,
643     ORD_WinEnableWindowUpdate,
644     ORD_WinIsWindowEnabled,
645     ORD_WinIsWindowShowing,
646     ORD_WinIsWindowVisible,
647     ORD_WinQueryWindowPtr,
648     ORD_WinQueryWindowULong,
649     ORD_WinQueryWindowUShort,
650     ORD_WinSetWindowBits,
651     ORD_WinSetWindowPtr,
652     ORD_WinSetWindowULong,
653     ORD_WinSetWindowUShort,
654     ORD_WinQueryDesktopWindow,
655     ORD_WinSetActiveWindow,
656     ORD_DosQueryModFromEIP,
657     ORD_Dos32QueryHeaderInfo,
658     ORD_DosTmrQueryFreq,
659     ORD_DosTmrQueryTime,
660     ORD_WinQueryActiveDesktopPathname,
661     ORD_WinInvalidateRect,
662     ORD_WinCreateFrameControls,
663     ORD_WinQueryClipbrdFmtInfo,
664     ORD_WinQueryClipbrdOwner,
665     ORD_WinQueryClipbrdViewer,
666     ORD_WinQueryClipbrdData,
667     ORD_WinOpenClipbrd,
668     ORD_WinCloseClipbrd,
669     ORD_WinSetClipbrdData,
670     ORD_WinSetClipbrdOwner,
671     ORD_WinSetClipbrdViewer,
672     ORD_WinEnumClipbrdFmts,
673     ORD_WinEmptyClipbrd,
674     ORD_WinAddAtom,
675     ORD_WinFindAtom,
676     ORD_WinDeleteAtom,
677     ORD_WinQueryAtomUsage,
678     ORD_WinQueryAtomName,
679     ORD_WinQueryAtomLength,
680     ORD_WinQuerySystemAtomTable,
681     ORD_WinCreateAtomTable,
682     ORD_WinDestroyAtomTable,
683     ORD_WinOpenWindowDC,
684     ORD_DevOpenDC,
685     ORD_DevQueryCaps,
686     ORD_DevCloseDC,
687     ORD_WinMessageBox,
688     ORD_WinMessageBox2,
689     ORD_WinQuerySysValue,
690     ORD_WinSetSysValue,
691     ORD_WinAlarm,
692     ORD_WinFlashWindow,
693     ORD_WinLoadPointer,
694     ORD_WinQuerySysPointer,
695     ORD_DosReplaceModule,
696     ORD_DosPerfSysCall,
697     ORD_RexxRegisterSubcomExe,
698     ORD_NENTRIES
699 };
700 
701 /* RET: return type, AT: argument signature in (), ARGS: should be in () */
702 #define CallORD(ret,o,at,args)	(((ret (*)at) loadByOrdinal(o, 1))args)
703 #define DeclFuncByORD(ret,name,o,at,args)	\
704   ret name at { return CallORD(ret,o,at,args); }
705 #define DeclVoidFuncByORD(name,o,at,args)	\
706   void name at { CallORD(void,o,at,args); }
707 
708 /* This function returns error code on error, and saves the error info in $^E and Perl_rc */
709 #define DeclOSFuncByORD_native(ret,name,o,at,args)	\
710   ret name at { unsigned long rc; return CheckOSError(CallORD(ret,o,at,args)); }
711 
712 /* These functions return false on error, and save the error info in $^E and Perl_rc */
713 #define DeclOSFuncByORD(ret,name,o,at,args)	\
714   ret name at { unsigned long rc; return !CheckOSError(CallORD(ret,o,at,args)); }
715 #define DeclWinFuncByORD(ret,name,o,at,args)	\
716   ret name at { return SaveWinError(CallORD(ret,o,at,args)); }
717 
718 #define AssignFuncPByORD(p,o)	(*(Perl_PFN*)&(p) = (loadByOrdinal(o, 1)))
719 
720 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
721 #define DeclWinFuncByORD_CACHE(ret,name,o,at,args)	\
722         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,1)
723 
724 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
725 #define DeclWinFuncByORD_CACHE_resetError(ret,name,o,at,args)	\
726         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,1)
727 
728 /* Two flavors below do the same as above, but do not auto-croak */
729 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
730 #define DeclWinFuncByORD_CACHE_survive(ret,name,o,at,args)	\
731         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,0)
732 
733 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
734 #define DeclWinFuncByORD_CACHE_resetError_survive(ret,name,o,at,args)	\
735         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,0)
736 
737 #define DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,r,die)	\
738   static ret (*CAT2(p__Win,name)) at;				\
739   static ret name at {						\
740         if (!CAT2(p__Win,name))					\
741             AssignFuncPByORD(CAT2(p__Win,name), o);		\
742         if (r) ResetWinError();					\
743         return SaveCroakWinError(CAT2(p__Win,name) args, die, "[Win]", STRINGIFY(name)); }
744 
745 /* These flavors additionally assume ORD is name with prepended ORD_Win  */
746 #define DeclWinFunc_CACHE(ret,name,at,args)	\
747         DeclWinFuncByORD_CACHE(ret,name,CAT2(ORD_Win,name),at,args)
748 #define DeclWinFunc_CACHE_resetError(ret,name,at,args)	\
749         DeclWinFuncByORD_CACHE_resetError(ret,name,CAT2(ORD_Win,name),at,args)
750 #define DeclWinFunc_CACHE_survive(ret,name,at,args)	\
751         DeclWinFuncByORD_CACHE_survive(ret,name,CAT2(ORD_Win,name),at,args)
752 #define DeclWinFunc_CACHE_resetError_survive(ret,name,at,args)	\
753         DeclWinFuncByORD_CACHE_resetError_survive(ret,name,CAT2(ORD_Win,name),at,args)
754 
755 void ResetWinError(void);
756 void CroakWinError(int die, char *name);
757 
758 enum Perlos2_handler {
759   Perlos2_handler_mangle = 1,
760   Perlos2_handler_perl_sh,
761   Perlos2_handler_perllib_from,
762   Perlos2_handler_perllib_to,
763 };
764 enum dir_subst_e {
765     dir_subst_fatal = 1,
766     dir_subst_pathlike = 2
767 };
768 
769 extern int Perl_OS2_handler_install(void *handler, enum Perlos2_handler how);
770 extern char *dir_subst(char *s, unsigned int l, char *b, unsigned int bl, enum dir_subst_e flags, char *msg);
771 extern unsigned long fill_extLibpath(int type, char *pre, char *post, int replace, char *msg);
772 
773 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
774 char *perllib_mangle(char *, unsigned int);
775 
776 #define fork	fork_with_resources
777 
778 #ifdef EINTR				/* x2p do not include perl.h!!! */
779 static __inline__ int
my_select(int nfds,fd_set * readfds,fd_set * writefds,fd_set * exceptfds,struct timeval * timeout)780 my_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
781 {
782   if (nfds == 0 && timeout && (_emx_env & 0x200)) {
783     if (async_mssleep(1000 * timeout->tv_sec + (timeout->tv_usec + 500)/1000, 500))
784       return 0;
785     errno = EINTR;
786     return -1;
787   }
788   return select(nfds, readfds, writefds, exceptfds, timeout);
789 }
790 
791 #define select		my_select
792 #endif
793 
794 
795 typedef int (*Perl_PFN)();
796 Perl_PFN loadByOrdinal(enum entries_ordinals ord, int fail);
797 extern const Perl_PFN * const pExtFCN;
798 char *os2error(int rc);
799 int os2_stat(const char *name, struct stat *st);
800 int fork_with_resources();
801 int setpriority(int which, int pid, int val);
802 int getpriority(int which /* ignored */, int pid);
803 
804 void croak_with_os2error(char *s) __attribute__((noreturn));
805 
806 /* void return value */
807 #define os2cp_croak(rc,msg)	(CheckOSError(rc) && (croak_with_os2error(msg),0))
808 
809 /* propagates rc */
810 #define os2win_croak(rc,msg)						\
811         SaveCroakWinError((expr), 1 /* die */, /* no prefix */, (msg))
812 
813 /* propagates rc; use with functions which may return 0 on success */
814 #define os2win_croak_0OK(rc,msg)					\
815         SaveCroakWinError((ResetWinError, (expr)),			\
816                           1 /* die */, /* no prefix */, (msg))
817 
818 #ifdef PERL_CORE
819 int os2_do_spawn(pTHX_ char *cmd);
820 int os2_do_aspawn(pTHX_ SV *really, SV **vmark, SV **vsp);
821 #endif
822 
823 #ifndef LOG_DAEMON
824 
825 /* Replacement for syslog.h */
826 #  define LOG_EMERG     0       /* system is unusable */
827 #  define LOG_ALERT     1       /* action must be taken immediately */
828 #  define LOG_CRIT      2       /* critical conditions */
829 #  define LOG_ERR       3       /* error conditions */
830 #  define LOG_WARNING   4       /* warning conditions */
831 #  define LOG_NOTICE    5       /* normal but significant condition */
832 #  define LOG_INFO      6       /* informational */
833 #  define LOG_DEBUG     7       /* debug-level messages */
834 
835 #  define LOG_PRIMASK   0x007   /* mask to extract priority part (internal) */
836                                 /* extract priority */
837 #  define LOG_PRI(p)    ((p) & LOG_PRIMASK)
838 #  define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
839 
840 /* facility codes */
841 #  define LOG_KERN      (0<<3)  /* kernel messages */
842 #  define LOG_USER      (1<<3)  /* random user-level messages */
843 #  define LOG_MAIL      (2<<3)  /* mail system */
844 #  define LOG_DAEMON    (3<<3)  /* system daemons */
845 #  define LOG_AUTH      (4<<3)  /* security/authorization messages */
846 #  define LOG_SYSLOG    (5<<3)  /* messages generated internally by syslogd */
847 #  define LOG_LPR       (6<<3)  /* line printer subsystem */
848 #  define LOG_NEWS      (7<<3)  /* network news subsystem */
849 #  define LOG_UUCP      (8<<3)  /* UUCP subsystem */
850 #  define LOG_CRON      (15<<3) /* clock daemon */
851         /* other codes through 15 reserved for system use */
852 #  define LOG_LOCAL0    (16<<3) /* reserved for local use */
853 #  define LOG_LOCAL1    (17<<3) /* reserved for local use */
854 #  define LOG_LOCAL2    (18<<3) /* reserved for local use */
855 #  define LOG_LOCAL3    (19<<3) /* reserved for local use */
856 #  define LOG_LOCAL4    (20<<3) /* reserved for local use */
857 #  define LOG_LOCAL5    (21<<3) /* reserved for local use */
858 #  define LOG_LOCAL6    (22<<3) /* reserved for local use */
859 #  define LOG_LOCAL7    (23<<3) /* reserved for local use */
860 
861 #  define LOG_NFACILITIES       24      /* current number of facilities */
862 #  define LOG_FACMASK   0x03f8  /* mask to extract facility part */
863                                 /* facility of pri */
864 #  define LOG_FAC(p)    (((p) & LOG_FACMASK) >> 3)
865 
866 /*
867  * arguments to setlogmask.
868  */
869 #  define LOG_MASK(pri) (1 << (pri))            /* mask for one priority */
870 #  define       LOG_UPTO(pri)   nBIT_MASK((pri)+1)      /* all priorities through pri */
871 
872 /*
873  * Option flags for openlog.
874  *
875  * LOG_ODELAY no longer does anything.
876  * LOG_NDELAY is the inverse of what it used to be.
877  */
878 #  define LOG_PID               0x01    /* log the pid with each message */
879 #  define LOG_CONS      0x02    /* log on the console if errors in sending */
880 #  define LOG_ODELAY    0x04    /* delay open until first syslog() (default) */
881 #  define LOG_NDELAY    0x08    /* don't delay open */
882 #  define LOG_NOWAIT    0x10    /* don't wait for console forks: DEPRECATED */
883 #  define LOG_PERROR    0x20    /* log to stderr as well */
884 
885 #endif
886 
887 /* ************************************************* */
888 #ifndef MAKEPLINFOSEG
889 
890 /* From $DDK\base32\rel\os2c\include\base\os2\16bit\infoseg.h + typedefs */
891 
892 /*
893  * The structure below defines the content and organization of the system
894  * information segment (InfoSeg).  The actual table is statically defined in
895  * SDATA.ASM.  Ring 0, read/write access is obtained by the clock device
896  * driver using the DevHlp GetDOSVar function.  (GetDOSVar returns a ring 0,
897  * read-only selector to all other requestors.)
898  *
899  * In order to prevent an errant process from destroying the infoseg, two
900  * identical global infosegs are maintained.  One is in the tiled shared
901  * arena and is accessible in user mode (and therefore can potentially be
902  * overwritten from ring 2), and the other is in the system arena and is
903  * accessible only in kernel mode.  All kernel code (except the clock driver)
904  * is responsible for updating BOTH copies of the infoseg.  The copy kept
905  * in the system arena is addressable as DOSGROUP:SISData, and the copy
906  * in the shared arena is addressable via a system arena alias.  16:16 and
907  * 0:32 pointers to the alias are stored in _Sis2.
908  */
909 
910 typedef struct InfoSegGDT {
911 
912 /* Time (offset 0x00) */
913 
914 unsigned long   SIS_BigTime;    /* Time from 1-1-1970 in seconds */
915 unsigned long   SIS_MsCount;    /* Freerunning milliseconds counter */
916 unsigned char   SIS_HrsTime;    /* Hours */
917 unsigned char   SIS_MinTime;    /* Minutes */
918 unsigned char   SIS_SecTime;    /* Seconds */
919 unsigned char   SIS_HunTime;    /* Hundredths of seconds */
920 unsigned short  SIS_TimeZone;   /* Timezone in min from GMT (Set to EST) */
921 unsigned short  SIS_ClkIntrvl;  /* Timer interval (units=0.0001 secs) */
922 
923 /* Date (offset 0x10) */
924 
925 unsigned char   SIS_DayDate;    /* Day-of-month (1-31) */
926 unsigned char   SIS_MonDate;    /* Month (1-12) */
927 unsigned short  SIS_YrsDate;    /* Year (>= 1980) */
928 unsigned char   SIS_DOWDate;    /* Day-of-week (1-1-80 = Tues = 3) */
929 
930 /* Version (offset 0x15) */
931 
932 unsigned char   SIS_VerMajor;   /* Major version number */
933 unsigned char   SIS_VerMinor;   /* Minor version number */
934 unsigned char   SIS_RevLettr;   /* Revision letter */
935 
936 /* System Status (offset 0x18) */
937 
938 unsigned char   SIS_CurScrnGrp; /* Fgnd screen group # */
939 unsigned char   SIS_MaxScrnGrp; /* Maximum number of screen groups */
940 unsigned char   SIS_HugeShfCnt; /* Shift count for huge segments */
941 unsigned char   SIS_ProtMdOnly; /* Protect-mode-only indicator */
942 unsigned short  SIS_FgndPID;    /* Foreground process ID */
943 
944 /* Scheduler Parms (offset 0x1E) */
945 
946 unsigned char   SIS_Dynamic;    /* Dynamic variation flag (1=enabled) */
947 unsigned char   SIS_MaxWait;    /* Maxwait (seconds) */
948 unsigned short  SIS_MinSlice;   /* Minimum timeslice (milliseconds) */
949 unsigned short  SIS_MaxSlice;   /* Maximum timeslice (milliseconds) */
950 
951 /* Boot Drive (offset 0x24) */
952 
953 unsigned short  SIS_BootDrv;    /* Drive from which system was booted */
954 
955 /* RAS Major Event Code Table (offset 0x26) */
956 
957 unsigned char   SIS_mec_table[32]; /* Table of RAS Major Event Codes (MECs) */
958 
959 /* Additional Session Data (offset 0x46) */
960 
961 unsigned char   SIS_MaxVioWinSG;  /* Max. no. of VIO windowable SG's */
962 unsigned char   SIS_MaxPresMgrSG; /* Max. no. of Presentation Manager SG's */
963 
964 /* Error logging Information (offset 0x48) */
965 
966 unsigned short  SIS_SysLog;     /* Error Logging Status */
967 
968 /* Additional RAS Information (offset 0x4A) */
969 
970 unsigned short  SIS_MMIOBase;   /* Memory mapped I/O selector */
971 unsigned long   SIS_MMIOAddr;   /* Memory mapped I/O address  */
972 
973 /* Additional 2.0 Data (offset 0x50) */
974 
975 unsigned char   SIS_MaxVDMs;      /* Max. no. of Virtual DOS machines */
976 unsigned char   SIS_Reserved;
977 
978 unsigned char   SIS_perf_mec_table[32]; /* varga 6/5/97 Table of Performance Major Event Codes (MECS) varga*/
979 } GINFOSEG, *PGINFOSEG;
980 
981 #define SIS_LEN         sizeof(struct InfoSegGDT)
982 
983 /*
984  *      InfoSeg LDT Data Segment Structure
985  *
986  * The structure below defines the content and organization of the system
987  * information in a special per-process segment to be accessible by the
988  * process through the LDT (read-only).
989  *
990  * As in the global infoseg, two copies of the current processes local
991  * infoseg exist, one accessible in both user and kernel mode, the other
992  * only in kernel mode.  Kernel code is responsible for updating BOTH copies.
993  * Pointers to the local infoseg copy are stored in _Lis2.
994  *
995  * Note that only the currently running process has an extra copy of the
996  * local infoseg.  The copy is done at context switch time.
997  */
998 
999 typedef struct InfoSegLDT {
1000 unsigned short  LIS_CurProcID;  /* Current process ID */
1001 unsigned short  LIS_ParProcID;  /* Process ID of parent */
1002 unsigned short  LIS_CurThrdPri; /* Current thread priority */
1003 unsigned short  LIS_CurThrdID;  /* Current thread ID */
1004 unsigned short  LIS_CurScrnGrp; /* Screengroup */
1005 unsigned char   LIS_ProcStatus; /* Process status bits */
1006 unsigned char   LIS_fillbyte1;  /* filler byte */
1007 unsigned short  LIS_Fgnd;       /* Current process is in foreground */
1008 unsigned char   LIS_ProcType;   /* Current process type */
1009 unsigned char   LIS_fillbyte2;  /* filler byte */
1010 
1011 unsigned short  LIS_AX;         /* @@V1 Environment selector */
1012 unsigned short  LIS_BX;         /* @@V1 Offset of command line start */
1013 unsigned short  LIS_CX;         /* @@V1 Length of Data Segment */
1014 unsigned short  LIS_DX;         /* @@V1 STACKSIZE from the .EXE file */
1015 unsigned short  LIS_SI;         /* @@V1 HEAPSIZE  from the .EXE file */
1016 unsigned short  LIS_DI;         /* @@V1 Module handle of the application */
1017 unsigned short  LIS_DS;         /* @@V1 Data Segment Handle of application */
1018 
1019 unsigned short  LIS_PackSel;    /* First tiled selector in this EXE */
1020 unsigned short  LIS_PackShrSel; /* First selector above shared arena */
1021 unsigned short  LIS_PackPckSel; /* First selector above packed arena */
1022 /* #ifdef SMP */
1023 unsigned long   LIS_pTIB;       /* Pointer to TIB */
1024 unsigned long   LIS_pPIB;       /* Pointer to PIB */
1025 /* #endif */
1026 } LINFOSEG, *PLINFOSEG;
1027 
1028 #define LIS_LEN         sizeof(struct InfoSegLDT)
1029 
1030 
1031 /*
1032  *      Process Type codes
1033  *
1034  *      These are the definitions for the codes stored
1035  *      in the LIS_ProcType field in the local infoseg.
1036  */
1037 
1038 #define         LIS_PT_FULLSCRN 0       /* Full screen app. */
1039 #define         LIS_PT_REALMODE 1       /* Real mode process */
1040 #define         LIS_PT_VIOWIN   2       /* VIO windowable app. */
1041 #define         LIS_PT_PRESMGR  3       /* Presentation Manager app. */
1042 #define         LIS_PT_DETACHED 4       /* Detached app. */
1043 
1044 
1045 /*
1046  *
1047  *      Process Status Bit Definitions
1048  *
1049  */
1050 
1051 #define         LIS_PS_EXITLIST 0x01    /* In exitlist handler */
1052 
1053 
1054 /*
1055  *      Flags equates for the Global Info Segment
1056  *      SIS_SysLog  WORD in Global Info Segment
1057  *
1058  *        xxxx xxxx xxxx xxx0         Error Logging Disabled
1059  *        xxxx xxxx xxxx xxx1         Error Logging Enabled
1060  *
1061  *        xxxx xxxx xxxx xx0x         Error Logging not available
1062  *        xxxx xxxx xxxx xx1x         Error Logging available
1063  */
1064 
1065 #define LF_LOGENABLE    0x0001          /* Logging enabled */
1066 #define LF_LOGAVAILABLE 0x0002          /* Logging available */
1067 
1068 #define MAKEPGINFOSEG(sel)  ((PGINFOSEG)MAKEP(sel, 0))
1069 #define MAKEPLINFOSEG(sel)  ((PLINFOSEG)MAKEP(sel, 0))
1070 
1071 #endif	/* ndef(MAKEPLINFOSEG) */
1072 
1073 /* ************************************************************ */
1074 #define Dos32QuerySysState DosQuerySysState
1075 #define QuerySysState(flags, pid, buf, bufsz) \
1076         Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
1077 
1078 #define QSS_PROCESS	1
1079 #define QSS_MODULE	4
1080 #define QSS_SEMAPHORES	2
1081 #define QSS_FILE	8		/* Buggy until fixpack18 */
1082 #define QSS_SHARED	16
1083 
1084 #ifdef _OS2_H
1085 
1086 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
1087                         ULONG _res_,PVOID buf,ULONG bufsz);
1088 typedef struct {
1089         ULONG	threadcnt;
1090         ULONG	proccnt;
1091         ULONG	modulecnt;
1092 } QGLOBAL, *PQGLOBAL;
1093 
1094 typedef struct {
1095         ULONG	rectype;
1096         USHORT	threadid;
1097         USHORT	slotid;
1098         ULONG	sleepid;
1099         ULONG	priority;
1100         ULONG	systime;
1101         ULONG	usertime;
1102         UCHAR	state;
1103         UCHAR	_reserved1_;	/* padding to ULONG */
1104         USHORT	_reserved2_;	/* padding to ULONG */
1105 } QTHREAD, *PQTHREAD;
1106 
1107 typedef struct {
1108         USHORT	sfn;
1109         USHORT	refcnt;
1110         USHORT	flags1;
1111         USHORT	flags2;
1112         USHORT	accmode1;
1113         USHORT	accmode2;
1114         ULONG	filesize;
1115         USHORT  volhnd;
1116         USHORT	attrib;
1117         USHORT	_reserved_;
1118 } QFDS, *PQFDS;
1119 
1120 typedef struct qfile {
1121         ULONG		rectype;
1122         struct qfile	*next;
1123         ULONG		opencnt;
1124         PQFDS		filedata;
1125         char		name[1];
1126 } QFILE, *PQFILE;
1127 
1128 typedef struct {
1129         ULONG	rectype;
1130         PQTHREAD threads;
1131         USHORT	pid;
1132         USHORT	ppid;
1133         ULONG	type;
1134         ULONG	state;
1135         ULONG	sessid;
1136         USHORT	hndmod;
1137         USHORT	threadcnt;
1138         ULONG	privsem32cnt;
1139         ULONG	_reserved2_;
1140         USHORT	sem16cnt;
1141         USHORT	dllcnt;
1142         USHORT	shrmemcnt;
1143         USHORT	fdscnt;
1144         PUSHORT	sem16s;
1145         PUSHORT	dlls;
1146         PUSHORT	shrmems;
1147         PUSHORT	fds;
1148 } QPROCESS, *PQPROCESS;
1149 
1150 typedef struct sema {
1151         struct sema *next;
1152         USHORT	refcnt;
1153         UCHAR	sysflags;
1154         UCHAR	sysproccnt;
1155         ULONG	_reserved1_;
1156         USHORT	index;
1157         CHAR	name[1];
1158 } QSEMA, *PQSEMA;
1159 
1160 typedef struct {
1161         ULONG	rectype;
1162         ULONG	_reserved1_;
1163         USHORT	_reserved2_;
1164         USHORT	syssemidx;
1165         ULONG	index;
1166         QSEMA	sema;
1167 } QSEMSTRUC, *PQSEMSTRUC;
1168 
1169 typedef struct {
1170         USHORT	pid;
1171         USHORT	opencnt;
1172 } QSEMOWNER32, *PQSEMOWNER32;
1173 
1174 typedef struct {
1175         PQSEMOWNER32	own;
1176         PCHAR		name;
1177         PVOID		semrecs; /* array of associated sema's */
1178         USHORT		flags;
1179         USHORT		semreccnt;
1180         USHORT		waitcnt;
1181         USHORT		_reserved_;	/* padding to ULONG */
1182 } QSEMSMUX32, *PQSEMSMUX32;
1183 
1184 typedef struct {
1185         PQSEMOWNER32	own;
1186         PCHAR		name;
1187         PQSEMSMUX32	mux;
1188         USHORT		flags;
1189         USHORT		postcnt;
1190 } QSEMEV32, *PQSEMEV32;
1191 
1192 typedef struct {
1193         PQSEMOWNER32	own;
1194         PCHAR		name;
1195         PQSEMSMUX32	mux;
1196         USHORT		flags;
1197         USHORT		refcnt;
1198         USHORT		thrdnum;
1199         USHORT		_reserved_;	/* padding to ULONG */
1200 } QSEMMUX32, *PQSEMMUX32;
1201 
1202 typedef struct semstr32 {
1203         struct semstr *next;
1204         QSEMEV32 evsem;
1205         QSEMMUX32  muxsem;
1206         QSEMSMUX32 smuxsem;
1207 } QSEMSTRUC32, *PQSEMSTRUC32;
1208 
1209 typedef struct shrmem {
1210         struct shrmem *next;
1211         USHORT	hndshr;
1212         USHORT	selshr;
1213         USHORT	refcnt;
1214         CHAR	name[1];
1215 } QSHRMEM, *PQSHRMEM;
1216 
1217 typedef struct module {
1218         struct module *next;
1219         USHORT	hndmod;
1220         USHORT	type;
1221         ULONG	refcnt;
1222         ULONG	segcnt;
1223         PVOID	_reserved_;
1224         PCHAR	name;
1225         USHORT	modref[1];
1226 } QMODULE, *PQMODULE;
1227 
1228 typedef struct {
1229         PQGLOBAL	gbldata;
1230         PQPROCESS	procdata;
1231         PQSEMSTRUC	semadata;
1232         PQSEMSTRUC32	sem32data;
1233         PQSHRMEM	shrmemdata;
1234         PQMODULE	moddata;
1235         PVOID		_reserved2_;
1236         PQFILE		filedata;
1237 } QTOPLEVEL, *PQTOPLEVEL;
1238 /* ************************************************************ */
1239 
1240 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
1241 
1242 #endif /* _OS2_H */
1243