xref: /openbsd-src/gnu/usr.bin/perl/os2/os2ish.h (revision ff0e7be1ebbcc809ea8ad2b6dafe215824da9e46)
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           ? Perl_croak_nocontext("LocalMemory"),1	\
196           : 0						\
197         )
198 #endif /* USE_SLOW_THREAD_SPECIFIC */
199 #define pthread_key_delete(keyp)
200 #define pthread_self()			_gettid()
201 #define YIELD				DosSleep(0)
202 
203 #ifdef PTHREADS_INCLUDED		/* For ./x2p stuff. */
204 int pthread_join(pthread_t tid, void **status);
205 int pthread_detach(pthread_t tid);
206 int pthread_create(pthread_t *tid, const pthread_attr_t *attr,
207                    void *(*start_routine)(void*), void *arg);
208 #endif /* PTHREAD_INCLUDED */
209 
210 #define THREADS_ELSEWHERE
211 
212 #else /* USE_ITHREADS */
213 
214 #define do_spawn(a)      os2_do_spawn(a)
215 #define do_aspawn(a,b,c) os2_do_aspawn((a),(b),(c))
216 
217 void Perl_OS2_init(char **);
218 void Perl_OS2_init3(char **envp, void **excH, int flags);
219 void Perl_OS2_term(void **excH, int exitstatus, int flags);
220 
221 /* The code without INIT3 hideously puts env inside: */
222 
223 /* These ones should be in the same block as PERL_SYS_TERM() */
224 #ifdef PERL_CORE
225 
226 #  define PERL_SYS_INIT3_BODY(argcp, argvp, envp)	\
227   { void *xreg[2];				\
228     MALLOC_CHECK_TAINT(*argcp, *argvp, *envp)	\
229     _response(argcp, argvp);			\
230     _wildcard(argcp, argvp);			\
231     Perl_OS2_init3(*envp, xreg, 0);		\
232     PERLIO_INIT
233 
234 #  define PERL_SYS_INIT_BODY(argcp, argvp)  {	\
235   { void *xreg[2];				\
236     _response(argcp, argvp);			\
237     _wildcard(argcp, argvp);			\
238     Perl_OS2_init3(NULL, xreg, 0);		\
239     PERLIO_INIT
240 
241 #else  /* Compiling embedded Perl or Perl extension */
242 
243 #  define PERL_SYS_INIT3_BODY(argcp, argvp, envp)	\
244   { void *xreg[2];				\
245     Perl_OS2_init3(*envp, xreg, 0);		\
246     PERLIO_INIT
247 #  define PERL_SYS_INIT_BODY(argcp, argvp)	{	\
248   { void *xreg[2];				\
249     Perl_OS2_init3(NULL, xreg, 0);		\
250     PERLIO_INIT
251 #endif
252 
253 #define FORCE_EMX_DEINIT_EXIT		1
254 #define FORCE_EMX_DEINIT_CRT_TERM	2
255 #define FORCE_EMX_DEINIT_RUN_ATEXIT	4
256 
257 #define PERL_SYS_TERM2(xreg,flags)					\
258   Perl_OS2_term(xreg, 0, flags);					\
259   PERLIO_TERM;								\
260   MALLOC_TERM
261 
262 #define PERL_SYS_TERM1(xreg)						\
263      Perl_OS2_term(xreg, 0, FORCE_EMX_DEINIT_RUN_ATEXIT)
264 
265 /* This one should come in pair with PERL_SYS_INIT_BODY() and in the same block */
266 #define PERL_SYS_TERM_BODY()							\
267      PERL_SYS_TERM1(xreg);						\
268   }
269 
270 #ifndef __EMX__
271 #  define PERL_CALLCONV _System
272 #endif
273 
274 /* #define PERL_SYS_TERM_BODY() STMT_START {	\
275     if (Perl_HAB_set) WinTerminate(Perl_hab);	} STMT_END */
276 
277 #define dXSUB_SYS int fake = OS2_XS_init() PERL_UNUSED_DECL
278 
279 #ifdef PERL_IS_AOUT
280 /* #  define HAS_FORK */
281 /* #  define HIDEMYMALLOC */
282 /* #  define PERL_SBRK_VIA_MALLOC */ /* gets off-page sbrk... */
283 #else /* !PERL_IS_AOUT */
284 #  ifndef PERL_FOR_X2P
285 #    ifdef EMX_BAD_SBRK
286 #      define USE_PERL_SBRK
287 #    endif
288 #  else
289 #    define PerlIO FILE
290 #  endif
291 #  define SYSTEM_ALLOC(a) sys_alloc(a)
292 
293 void *sys_alloc(int size);
294 
295 #endif /* !PERL_IS_AOUT */
296 #if !defined(PERL_CORE) && !defined(PerlIO) /* a2p */
297 #  define PerlIO FILE
298 #endif
299 
300 /* os2ish is used from a2p/a2p.h without pTHX/pTHX_ first being
301  * defined.  Hack around this to get us to compile.
302 */
303 #ifdef PTHX_UNUSED
304 # ifndef pTHX
305 #  define pTHX
306 # endif
307 # ifndef pTHX_
308 #  define pTHX_
309 # endif
310 #endif
311 
312 #define TMPPATH1 "plXXXXXX"
313 extern const char *tmppath;
314 PerlIO *my_syspopen(pTHX_ char *cmd, char *mode);
315 #ifdef PERL_CORE
316 /* Cannot prototype with I32, SV at this point (used in x2p too). */
317 PerlIO *my_syspopen4(pTHX_ char *cmd, char *mode, I32 cnt, SV** args);
318 #endif
319 int my_syspclose(PerlIO *f);
320 FILE *my_tmpfile (void);
321 char *my_tmpnam (char *);
322 int my_mkdir (__const__ char *, long);
323 int my_rmdir (__const__ char *);
324 struct passwd *my_getpwent (void);
325 void my_setpwent (void);
326 void my_endpwent (void);
327 char *gcvt_os2(double value, int digits, char *buffer);
328 
329 extern int async_mssleep(unsigned long ms, int switch_priority);
330 extern unsigned long msCounter(void);
331 extern unsigned long InfoTable(int local);
332 extern unsigned long find_myself(void);
333 
334 #define MAX_SLEEP	(((1<30) / (1000/4))-1)	/* 1<32 msec */
335 
336 static __inline__ unsigned
337 my_sleep(unsigned sec)
338 {
339   int remain;
340   while (sec > MAX_SLEEP) {
341     sec -= MAX_SLEEP;
342     remain = sleep(MAX_SLEEP);
343     if (remain)
344       return remain + sec;
345   }
346   return sleep(sec);
347 }
348 
349 #define sleep		my_sleep
350 
351 #ifndef INCL_DOS
352 unsigned long DosSleep(unsigned long);
353 unsigned long DosAllocThreadLocalMemory (unsigned long cb, unsigned long **p);
354 #endif
355 
356 struct group *getgrent (void);
357 void setgrent (void);
358 void endgrent (void);
359 
360 struct passwd *my_getpwuid (uid_t);
361 struct passwd *my_getpwnam (__const__ char *);
362 
363 #undef L_tmpnam
364 #define L_tmpnam MAXPATHLEN
365 
366 #define tmpfile	my_tmpfile
367 #define tmpnam	my_tmpnam
368 #define isatty	_isterm
369 #define rand	random
370 #define srand	srandom
371 #define strtoll	_strtoll
372 #define strtoull	_strtoull
373 
374 #define usleep(usec)	((void)async_mssleep(((usec)+500)/1000, 500))
375 
376 
377 /*
378  * fwrite1() should be a routine with the same calling sequence as fwrite(),
379  * but which outputs all of the bytes requested as a single stream (unlike
380  * fwrite() itself, which on some systems outputs several distinct records
381  * if the number_of_items parameter is >1).
382  */
383 #define fwrite1 fwrite
384 
385 #define my_getenv(var) getenv(var)
386 #define flock	my_flock
387 #define rmdir	my_rmdir
388 #define mkdir	my_mkdir
389 #define setpwent	my_setpwent
390 #define getpwent	my_getpwent
391 #define endpwent	my_endpwent
392 #define getpwuid	my_getpwuid
393 #define getpwnam	my_getpwnam
394 
395 void *emx_calloc (size_t, size_t);
396 void emx_free (void *);
397 void *emx_malloc (size_t);
398 void *emx_realloc (void *, size_t);
399 
400 /*****************************************************************************/
401 
402 #include <stdlib.h>	/* before the following definitions */
403 #include <unistd.h>	/* before the following definitions */
404 #include <fcntl.h>
405 #include <sys/stat.h>
406 
407 #define chdir	_chdir2
408 #define getcwd	_getcwd2
409 
410 /* This guy is needed for quick stdstd  */
411 
412 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
413         /* Perl uses ungetc only with successful return */
414 #  define ungetc(c,fp) \
415         (FILE_ptr(fp) > FILE_base(fp) && c == (int)*(FILE_ptr(fp) - 1) \
416          ? (--FILE_ptr(fp), ++FILE_cnt(fp), (int)c) : ungetc(c,fp))
417 #endif
418 
419 #define PERLIO_IS_BINMODE_FD(fd) _PERLIO_IS_BINMODE_FD(fd)
420 
421 #include <emx/io.h> /* for _fd_flags() prototype */
422 
423 static inline bool
424 _PERLIO_IS_BINMODE_FD(int fd)
425 {
426     int *pflags = _fd_flags(fd);
427 
428     return pflags && (*pflags) & O_BINARY;
429 }
430 
431 /* ctermid is missing from emx0.9d */
432 char *ctermid(char *s);
433 
434 #define OP_BINARY O_BINARY
435 
436 #define OS2_STAT_HACK 1
437 #if OS2_STAT_HACK
438 
439 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
440 #define Fstat(fd,bufptr)   os2_fstat((fd),(bufptr))
441 #define Fflush(fp)         fflush(fp)
442 #define Mkdir(path,mode)   mkdir((path),(mode))
443 #define chmod(path,mode)   os2_chmod((path),(mode))
444 
445 #undef S_IFBLK
446 #undef S_ISBLK
447 #define S_IFBLK		0120000		/* Hacks to make things compile... */
448 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
449 
450 int os2_chmod(const char *name, int pmode);
451 int os2_fstat(int handle, struct stat *st);
452 
453 #else
454 
455 #define Stat(fname,bufptr) stat((fname),(bufptr))
456 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
457 #define Fflush(fp)         fflush(fp)
458 #define Mkdir(path,mode)   mkdir((path),(mode))
459 
460 #endif
461 
462 /* With SD386 it is impossible to debug register variables. */
463 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
464 #  define register
465 #endif
466 
467 /* Our private OS/2 specific data. */
468 
469 typedef struct OS2_Perl_data {
470   unsigned long flags;
471   unsigned long phab;
472   int (*xs_init)();
473   unsigned long rc;
474   unsigned long severity;
475   unsigned long	phmq;			/* Handle to message queue */
476   unsigned long	phmq_refcnt;
477   unsigned long	phmq_servers;
478   unsigned long	initial_mode;		/* VIO etc. mode we were started in */
479   unsigned long	morph_refcnt;
480 } OS2_Perl_data_t;
481 
482 extern OS2_Perl_data_t OS2_Perl_data;
483 
484 #define Perl_hab		((HAB)OS2_Perl_data.phab)
485 #define Perl_rc			(OS2_Perl_data.rc)
486 #define Perl_severity		(OS2_Perl_data.severity)
487 #define errno_isOS2		12345678
488 #define errno_isOS2_set		12345679
489 #define OS2_Perl_flags	(OS2_Perl_data.flags)
490 #define Perl_HAB_set_f	1
491 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
492 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
493 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
494 #define _obtain_Perl_HAB (init_PMWIN_entries(),				\
495                           Perl_hab = (*PMWIN_entries.Initialize)(0),	\
496                           set_Perl_HAB_f, Perl_hab)
497 #define perl_hab_GET()	(Perl_HAB_set ? Perl_hab : _obtain_Perl_HAB)
498 #define Acquire_hab()	perl_hab_GET()
499 #define Perl_hmq	((HMQ)OS2_Perl_data.phmq)
500 #define Perl_hmq_refcnt	(OS2_Perl_data.phmq_refcnt)
501 #define Perl_hmq_servers	(OS2_Perl_data.phmq_servers)
502 #define Perl_os2_initial_mode	(OS2_Perl_data.initial_mode)
503 #define Perl_morph_refcnt	(OS2_Perl_data.morph_refcnt)
504 
505 unsigned long Perl_hab_GET();
506 unsigned long Perl_Register_MQ(int serve);
507 void	Perl_Deregister_MQ(int serve);
508 int	Perl_Serve_Messages(int force);
509 /* Cannot prototype with I32 at this point. */
510 int	Perl_Process_Messages(int force, long *cntp);
511 char	*os2_execname(pTHX);
512 
513 struct _QMSG;
514 struct PMWIN_entries_t {
515     unsigned long (*Initialize)( unsigned long fsOptions );
516     unsigned long (*CreateMsgQueue)(unsigned long hab, long cmsg);
517     int (*DestroyMsgQueue)(unsigned long hmq);
518     int (*PeekMsg)(unsigned long hab, struct _QMSG *pqmsg,
519                    unsigned long hwndFilter, unsigned long msgFilterFirst,
520                    unsigned long msgFilterLast, unsigned long fl);
521     int (*GetMsg)(unsigned long hab, struct _QMSG *pqmsg,
522                   unsigned long hwndFilter, unsigned long msgFilterFirst,
523                   unsigned long msgFilterLast);
524     void * (*DispatchMsg)(unsigned long hab, struct _QMSG *pqmsg);
525     unsigned long (*GetLastError)(unsigned long hab);
526     unsigned long (*CancelShutdown)(unsigned long hmq, unsigned long fCancelAlways);
527 };
528 extern struct PMWIN_entries_t PMWIN_entries;
529 void init_PMWIN_entries(void);
530 
531 #define perl_hmq_GET(serve)	Perl_Register_MQ(serve)
532 #define perl_hmq_UNSET(serve)	Perl_Deregister_MQ(serve)
533 
534 #define OS2_XS_init() (*OS2_Perl_data.xs_init)(aTHX)
535 
536 #if _EMX_CRT_REV_ >= 60
537 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2_set, \
538                                 _setsyserrno(rc))
539 #else
540 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2)
541 #endif
542 
543 /* The expressions below return true on error. */
544 /* INCL_DOSERRORS needed. rc should be declared outside. */
545 #define CheckOSError(expr) ((rc = (expr)) ? (FillOSError(rc), rc) : 0)
546 /* INCL_WINERRORS needed. */
547 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
548 
549 /* This form propagates the return value, setting $^E if needed */
550 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
551 
552 /* This form propagates the return value, dieing with $^E if needed */
553 #define SaveCroakWinError(expr,die,name1,name2)		\
554   ((expr) ? : (CroakWinError(die,name1 name2), 0))
555 
556 #define FillOSError(rc) (os2_setsyserrno(rc),				\
557                         Perl_severity = SEVERITY_ERROR)
558 
559 #define WinError_2_Perl_rc	\
560  (	init_PMWIN_entries(),	\
561         Perl_rc=(*PMWIN_entries.GetLastError)(perl_hab_GET()) )
562 
563 /* Calling WinGetLastError() resets the error code of the current thread.
564    Since for some Win* API return value 0 is normal, one needs to call
565    this before calling them to distinguish normal and anomalous returns.  */
566 /*#define ResetWinError()	WinError_2_Perl_rc */
567 
568 /* At this moment init_PMWIN_entries() should be a nop (WinInitialize should
569    be called already, right?), so we do not risk stepping over our own error */
570 #define FillWinError (	WinError_2_Perl_rc,				\
571                         Perl_severity = ERRORIDSEV(Perl_rc),		\
572                         Perl_rc = ERRORIDERROR(Perl_rc),		\
573                         os2_setsyserrno(Perl_rc))
574 
575 #define STATIC_FILE_LENGTH 127
576 
577     /* This should match loadOrdinals[] array in os2.c */
578 enum entries_ordinals {
579     ORD_DosQueryExtLibpath,
580     ORD_DosSetExtLibpath,
581     ORD_DosVerifyPidTid,
582     ORD_SETHOSTENT,
583     ORD_SETNETENT,
584     ORD_SETPROTOENT,
585     ORD_SETSERVENT,
586     ORD_GETHOSTENT,
587     ORD_GETNETENT,
588     ORD_GETPROTOENT,
589     ORD_GETSERVENT,
590     ORD_ENDHOSTENT,
591     ORD_ENDNETENT,
592     ORD_ENDPROTOENT,
593     ORD_ENDSERVENT,
594     ORD_WinInitialize,
595     ORD_WinCreateMsgQueue,
596     ORD_WinDestroyMsgQueue,
597     ORD_WinPeekMsg,
598     ORD_WinGetMsg,
599     ORD_WinDispatchMsg,
600     ORD_WinGetLastError,
601     ORD_WinCancelShutdown,
602     ORD_RexxStart,
603     ORD_RexxVariablePool,
604     ORD_RexxRegisterFunctionExe,
605     ORD_RexxDeregisterFunction,
606     ORD_DOSSMSETTITLE,
607     ORD_PRF32QUERYPROFILESIZE,
608     ORD_PRF32OPENPROFILE,
609     ORD_PRF32CLOSEPROFILE,
610     ORD_PRF32QUERYPROFILE,
611     ORD_PRF32RESET,
612     ORD_PRF32QUERYPROFILEDATA,
613     ORD_PRF32WRITEPROFILEDATA,
614 
615     ORD_WinChangeSwitchEntry,
616     ORD_WinQuerySwitchEntry,
617     ORD_WinQuerySwitchHandle,
618     ORD_WinQuerySwitchList,
619     ORD_WinSwitchToProgram,
620     ORD_WinBeginEnumWindows,
621     ORD_WinEndEnumWindows,
622     ORD_WinEnumDlgItem,
623     ORD_WinGetNextWindow,
624     ORD_WinIsChild,
625     ORD_WinQueryActiveWindow,
626     ORD_WinQueryClassName,
627     ORD_WinQueryFocus,
628     ORD_WinQueryWindow,
629     ORD_WinQueryWindowPos,
630     ORD_WinQueryWindowProcess,
631     ORD_WinQueryWindowText,
632     ORD_WinQueryWindowTextLength,
633     ORD_WinSetFocus,
634     ORD_WinSetWindowPos,
635     ORD_WinSetWindowText,
636     ORD_WinShowWindow,
637     ORD_WinIsWindow,
638     ORD_WinWindowFromId,
639     ORD_WinWindowFromPoint,
640     ORD_WinPostMsg,
641     ORD_WinEnableWindow,
642     ORD_WinEnableWindowUpdate,
643     ORD_WinIsWindowEnabled,
644     ORD_WinIsWindowShowing,
645     ORD_WinIsWindowVisible,
646     ORD_WinQueryWindowPtr,
647     ORD_WinQueryWindowULong,
648     ORD_WinQueryWindowUShort,
649     ORD_WinSetWindowBits,
650     ORD_WinSetWindowPtr,
651     ORD_WinSetWindowULong,
652     ORD_WinSetWindowUShort,
653     ORD_WinQueryDesktopWindow,
654     ORD_WinSetActiveWindow,
655     ORD_DosQueryModFromEIP,
656     ORD_Dos32QueryHeaderInfo,
657     ORD_DosTmrQueryFreq,
658     ORD_DosTmrQueryTime,
659     ORD_WinQueryActiveDesktopPathname,
660     ORD_WinInvalidateRect,
661     ORD_WinCreateFrameControls,
662     ORD_WinQueryClipbrdFmtInfo,
663     ORD_WinQueryClipbrdOwner,
664     ORD_WinQueryClipbrdViewer,
665     ORD_WinQueryClipbrdData,
666     ORD_WinOpenClipbrd,
667     ORD_WinCloseClipbrd,
668     ORD_WinSetClipbrdData,
669     ORD_WinSetClipbrdOwner,
670     ORD_WinSetClipbrdViewer,
671     ORD_WinEnumClipbrdFmts,
672     ORD_WinEmptyClipbrd,
673     ORD_WinAddAtom,
674     ORD_WinFindAtom,
675     ORD_WinDeleteAtom,
676     ORD_WinQueryAtomUsage,
677     ORD_WinQueryAtomName,
678     ORD_WinQueryAtomLength,
679     ORD_WinQuerySystemAtomTable,
680     ORD_WinCreateAtomTable,
681     ORD_WinDestroyAtomTable,
682     ORD_WinOpenWindowDC,
683     ORD_DevOpenDC,
684     ORD_DevQueryCaps,
685     ORD_DevCloseDC,
686     ORD_WinMessageBox,
687     ORD_WinMessageBox2,
688     ORD_WinQuerySysValue,
689     ORD_WinSetSysValue,
690     ORD_WinAlarm,
691     ORD_WinFlashWindow,
692     ORD_WinLoadPointer,
693     ORD_WinQuerySysPointer,
694     ORD_DosReplaceModule,
695     ORD_DosPerfSysCall,
696     ORD_RexxRegisterSubcomExe,
697     ORD_NENTRIES
698 };
699 
700 /* RET: return type, AT: argument signature in (), ARGS: should be in () */
701 #define CallORD(ret,o,at,args)	(((ret (*)at) loadByOrdinal(o, 1))args)
702 #define DeclFuncByORD(ret,name,o,at,args)	\
703   ret name at { return CallORD(ret,o,at,args); }
704 #define DeclVoidFuncByORD(name,o,at,args)	\
705   void name at { CallORD(void,o,at,args); }
706 
707 /* This function returns error code on error, and saves the error info in $^E and Perl_rc */
708 #define DeclOSFuncByORD_native(ret,name,o,at,args)	\
709   ret name at { unsigned long rc; return CheckOSError(CallORD(ret,o,at,args)); }
710 
711 /* These functions return false on error, and save the error info in $^E and Perl_rc */
712 #define DeclOSFuncByORD(ret,name,o,at,args)	\
713   ret name at { unsigned long rc; return !CheckOSError(CallORD(ret,o,at,args)); }
714 #define DeclWinFuncByORD(ret,name,o,at,args)	\
715   ret name at { return SaveWinError(CallORD(ret,o,at,args)); }
716 
717 #define AssignFuncPByORD(p,o)	(*(Perl_PFN*)&(p) = (loadByOrdinal(o, 1)))
718 
719 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
720 #define DeclWinFuncByORD_CACHE(ret,name,o,at,args)	\
721         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,1)
722 
723 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
724 #define DeclWinFuncByORD_CACHE_resetError(ret,name,o,at,args)	\
725         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,1)
726 
727 /* Two flavors below do the same as above, but do not auto-croak */
728 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
729 #define DeclWinFuncByORD_CACHE_survive(ret,name,o,at,args)	\
730         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,0)
731 
732 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
733 #define DeclWinFuncByORD_CACHE_resetError_survive(ret,name,o,at,args)	\
734         DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,0)
735 
736 #define DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,r,die)	\
737   static ret (*CAT2(p__Win,name)) at;				\
738   static ret name at {						\
739         if (!CAT2(p__Win,name))					\
740             AssignFuncPByORD(CAT2(p__Win,name), o);		\
741         if (r) ResetWinError();					\
742         return SaveCroakWinError(CAT2(p__Win,name) args, die, "[Win]", STRINGIFY(name)); }
743 
744 /* These flavors additionally assume ORD is name with prepended ORD_Win  */
745 #define DeclWinFunc_CACHE(ret,name,at,args)	\
746         DeclWinFuncByORD_CACHE(ret,name,CAT2(ORD_Win,name),at,args)
747 #define DeclWinFunc_CACHE_resetError(ret,name,at,args)	\
748         DeclWinFuncByORD_CACHE_resetError(ret,name,CAT2(ORD_Win,name),at,args)
749 #define DeclWinFunc_CACHE_survive(ret,name,at,args)	\
750         DeclWinFuncByORD_CACHE_survive(ret,name,CAT2(ORD_Win,name),at,args)
751 #define DeclWinFunc_CACHE_resetError_survive(ret,name,at,args)	\
752         DeclWinFuncByORD_CACHE_resetError_survive(ret,name,CAT2(ORD_Win,name),at,args)
753 
754 void ResetWinError(void);
755 void CroakWinError(int die, char *name);
756 
757 enum Perlos2_handler {
758   Perlos2_handler_mangle = 1,
759   Perlos2_handler_perl_sh,
760   Perlos2_handler_perllib_from,
761   Perlos2_handler_perllib_to,
762 };
763 enum dir_subst_e {
764     dir_subst_fatal = 1,
765     dir_subst_pathlike = 2
766 };
767 
768 extern int Perl_OS2_handler_install(void *handler, enum Perlos2_handler how);
769 extern char *dir_subst(char *s, unsigned int l, char *b, unsigned int bl, enum dir_subst_e flags, char *msg);
770 extern unsigned long fill_extLibpath(int type, char *pre, char *post, int replace, char *msg);
771 
772 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
773 char *perllib_mangle(char *, unsigned int);
774 
775 #define fork	fork_with_resources
776 
777 #ifdef EINTR				/* x2p do not include perl.h!!! */
778 static __inline__ int
779 my_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
780 {
781   if (nfds == 0 && timeout && (_emx_env & 0x200)) {
782     if (async_mssleep(1000 * timeout->tv_sec + (timeout->tv_usec + 500)/1000, 500))
783       return 0;
784     errno = EINTR;
785     return -1;
786   }
787   return select(nfds, readfds, writefds, exceptfds, timeout);
788 }
789 
790 #define select		my_select
791 #endif
792 
793 
794 typedef int (*Perl_PFN)();
795 Perl_PFN loadByOrdinal(enum entries_ordinals ord, int fail);
796 extern const Perl_PFN * const pExtFCN;
797 char *os2error(int rc);
798 int os2_stat(const char *name, struct stat *st);
799 int fork_with_resources();
800 int setpriority(int which, int pid, int val);
801 int getpriority(int which /* ignored */, int pid);
802 
803 void croak_with_os2error(char *s) __attribute__((noreturn));
804 
805 /* void return value */
806 #define os2cp_croak(rc,msg)	(CheckOSError(rc) && (croak_with_os2error(msg),0))
807 
808 /* propagates rc */
809 #define os2win_croak(rc,msg)						\
810         SaveCroakWinError((expr), 1 /* die */, /* no prefix */, (msg))
811 
812 /* propagates rc; use with functions which may return 0 on success */
813 #define os2win_croak_0OK(rc,msg)					\
814         SaveCroakWinError((ResetWinError, (expr)),			\
815                           1 /* die */, /* no prefix */, (msg))
816 
817 #ifdef PERL_CORE
818 int os2_do_spawn(pTHX_ char *cmd);
819 int os2_do_aspawn(pTHX_ SV *really, SV **vmark, SV **vsp);
820 #endif
821 
822 #ifndef LOG_DAEMON
823 
824 /* Replacement for syslog.h */
825 #  define	LOG_EMERG	0	/* system is unusable */
826 #  define	LOG_ALERT	1	/* action must be taken immediately */
827 #  define	LOG_CRIT	2	/* critical conditions */
828 #  define	LOG_ERR	3	/* error conditions */
829 #  define	LOG_WARNING	4	/* warning conditions */
830 #  define	LOG_NOTICE	5	/* normal but significant condition */
831 #  define	LOG_INFO	6	/* informational */
832 #  define	LOG_DEBUG	7	/* debug-level messages */
833 
834 #  define	LOG_PRIMASK	0x007	/* mask to extract priority part (internal) */
835                                 /* extract priority */
836 #  define	LOG_PRI(p)	((p) & LOG_PRIMASK)
837 #  define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
838 
839 /* facility codes */
840 #  define	LOG_KERN	(0<<3)	/* kernel messages */
841 #  define	LOG_USER	(1<<3)	/* random user-level messages */
842 #  define	LOG_MAIL	(2<<3)	/* mail system */
843 #  define	LOG_DAEMON	(3<<3)	/* system daemons */
844 #  define	LOG_AUTH	(4<<3)	/* security/authorization messages */
845 #  define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
846 #  define	LOG_LPR	(6<<3)	/* line printer subsystem */
847 #  define	LOG_NEWS	(7<<3)	/* network news subsystem */
848 #  define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
849 #  define	LOG_CRON	(15<<3)	/* clock daemon */
850         /* other codes through 15 reserved for system use */
851 #  define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
852 #  define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
853 #  define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
854 #  define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
855 #  define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
856 #  define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
857 #  define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
858 #  define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
859 
860 #  define	LOG_NFACILITIES	24	/* current number of facilities */
861 #  define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
862                                 /* facility of pri */
863 #  define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
864 
865 /*
866  * arguments to setlogmask.
867  */
868 #  define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
869 #  define       LOG_UPTO(pri)   nBIT_MASK((pri)+1)      /* all priorities through pri */
870 
871 /*
872  * Option flags for openlog.
873  *
874  * LOG_ODELAY no longer does anything.
875  * LOG_NDELAY is the inverse of what it used to be.
876  */
877 #  define	LOG_PID		0x01	/* log the pid with each message */
878 #  define	LOG_CONS	0x02	/* log on the console if errors in sending */
879 #  define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
880 #  define	LOG_NDELAY	0x08	/* don't delay open */
881 #  define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
882 #  define	LOG_PERROR	0x20	/* log to stderr as well */
883 
884 #endif
885 
886 /* ************************************************* */
887 #ifndef MAKEPLINFOSEG
888 
889 /* From $DDK\base32\rel\os2c\include\base\os2\16bit\infoseg.h + typedefs */
890 
891 /*
892  * The structure below defines the content and organization of the system
893  * information segment (InfoSeg).  The actual table is statically defined in
894  * SDATA.ASM.  Ring 0, read/write access is obtained by the clock device
895  * driver using the DevHlp GetDOSVar function.  (GetDOSVar returns a ring 0,
896  * read-only selector to all other requestors.)
897  *
898  * In order to prevent an errant process from destroying the infoseg, two
899  * identical global infosegs are maintained.  One is in the tiled shared
900  * arena and is accessible in user mode (and therefore can potentially be
901  * overwritten from ring 2), and the other is in the system arena and is
902  * accessible only in kernel mode.  All kernel code (except the clock driver)
903  * is responsible for updating BOTH copies of the infoseg.  The copy kept
904  * in the system arena is addressable as DOSGROUP:SISData, and the copy
905  * in the shared arena is addressable via a system arena alias.  16:16 and
906  * 0:32 pointers to the alias are stored in _Sis2.
907  */
908 
909 typedef struct InfoSegGDT {
910 
911 /* Time (offset 0x00) */
912 
913 unsigned long   SIS_BigTime;    /* Time from 1-1-1970 in seconds */
914 unsigned long   SIS_MsCount;    /* Freerunning milliseconds counter */
915 unsigned char   SIS_HrsTime;    /* Hours */
916 unsigned char   SIS_MinTime;    /* Minutes */
917 unsigned char   SIS_SecTime;    /* Seconds */
918 unsigned char   SIS_HunTime;    /* Hundredths of seconds */
919 unsigned short  SIS_TimeZone;   /* Timezone in min from GMT (Set to EST) */
920 unsigned short  SIS_ClkIntrvl;  /* Timer interval (units=0.0001 secs) */
921 
922 /* Date (offset 0x10) */
923 
924 unsigned char   SIS_DayDate;    /* Day-of-month (1-31) */
925 unsigned char   SIS_MonDate;    /* Month (1-12) */
926 unsigned short  SIS_YrsDate;    /* Year (>= 1980) */
927 unsigned char   SIS_DOWDate;    /* Day-of-week (1-1-80 = Tues = 3) */
928 
929 /* Version (offset 0x15) */
930 
931 unsigned char   SIS_VerMajor;   /* Major version number */
932 unsigned char   SIS_VerMinor;   /* Minor version number */
933 unsigned char   SIS_RevLettr;   /* Revision letter */
934 
935 /* System Status (offset 0x18) */
936 
937 unsigned char   SIS_CurScrnGrp; /* Fgnd screen group # */
938 unsigned char   SIS_MaxScrnGrp; /* Maximum number of screen groups */
939 unsigned char   SIS_HugeShfCnt; /* Shift count for huge segments */
940 unsigned char   SIS_ProtMdOnly; /* Protect-mode-only indicator */
941 unsigned short  SIS_FgndPID;    /* Foreground process ID */
942 
943 /* Scheduler Parms (offset 0x1E) */
944 
945 unsigned char   SIS_Dynamic;    /* Dynamic variation flag (1=enabled) */
946 unsigned char   SIS_MaxWait;    /* Maxwait (seconds) */
947 unsigned short  SIS_MinSlice;   /* Minimum timeslice (milliseconds) */
948 unsigned short  SIS_MaxSlice;   /* Maximum timeslice (milliseconds) */
949 
950 /* Boot Drive (offset 0x24) */
951 
952 unsigned short  SIS_BootDrv;    /* Drive from which system was booted */
953 
954 /* RAS Major Event Code Table (offset 0x26) */
955 
956 unsigned char   SIS_mec_table[32]; /* Table of RAS Major Event Codes (MECs) */
957 
958 /* Additional Session Data (offset 0x46) */
959 
960 unsigned char   SIS_MaxVioWinSG;  /* Max. no. of VIO windowable SG's */
961 unsigned char   SIS_MaxPresMgrSG; /* Max. no. of Presentation Manager SG's */
962 
963 /* Error logging Information (offset 0x48) */
964 
965 unsigned short  SIS_SysLog;     /* Error Logging Status */
966 
967 /* Additional RAS Information (offset 0x4A) */
968 
969 unsigned short  SIS_MMIOBase;   /* Memory mapped I/O selector */
970 unsigned long   SIS_MMIOAddr;   /* Memory mapped I/O address  */
971 
972 /* Additional 2.0 Data (offset 0x50) */
973 
974 unsigned char   SIS_MaxVDMs;      /* Max. no. of Virtual DOS machines */
975 unsigned char   SIS_Reserved;
976 
977 unsigned char   SIS_perf_mec_table[32]; /* varga 6/5/97 Table of Performance Major Event Codes (MECS) varga*/
978 } GINFOSEG, *PGINFOSEG;
979 
980 #define SIS_LEN         sizeof(struct InfoSegGDT)
981 
982 /*
983  *      InfoSeg LDT Data Segment Structure
984  *
985  * The structure below defines the content and organization of the system
986  * information in a special per-process segment to be accessible by the
987  * process through the LDT (read-only).
988  *
989  * As in the global infoseg, two copies of the current processes local
990  * infoseg exist, one accessible in both user and kernel mode, the other
991  * only in kernel mode.  Kernel code is responsible for updating BOTH copies.
992  * Pointers to the local infoseg copy are stored in _Lis2.
993  *
994  * Note that only the currently running process has an extra copy of the
995  * local infoseg.  The copy is done at context switch time.
996  */
997 
998 typedef struct InfoSegLDT {
999 unsigned short  LIS_CurProcID;  /* Current process ID */
1000 unsigned short  LIS_ParProcID;  /* Process ID of parent */
1001 unsigned short  LIS_CurThrdPri; /* Current thread priority */
1002 unsigned short  LIS_CurThrdID;  /* Current thread ID */
1003 unsigned short  LIS_CurScrnGrp; /* Screengroup */
1004 unsigned char   LIS_ProcStatus; /* Process status bits */
1005 unsigned char   LIS_fillbyte1;  /* filler byte */
1006 unsigned short  LIS_Fgnd;       /* Current process is in foreground */
1007 unsigned char   LIS_ProcType;   /* Current process type */
1008 unsigned char   LIS_fillbyte2;  /* filler byte */
1009 
1010 unsigned short  LIS_AX;         /* @@V1 Environment selector */
1011 unsigned short  LIS_BX;         /* @@V1 Offset of command line start */
1012 unsigned short  LIS_CX;         /* @@V1 Length of Data Segment */
1013 unsigned short  LIS_DX;         /* @@V1 STACKSIZE from the .EXE file */
1014 unsigned short  LIS_SI;         /* @@V1 HEAPSIZE  from the .EXE file */
1015 unsigned short  LIS_DI;         /* @@V1 Module handle of the application */
1016 unsigned short  LIS_DS;         /* @@V1 Data Segment Handle of application */
1017 
1018 unsigned short  LIS_PackSel;    /* First tiled selector in this EXE */
1019 unsigned short  LIS_PackShrSel; /* First selector above shared arena */
1020 unsigned short  LIS_PackPckSel; /* First selector above packed arena */
1021 /* #ifdef SMP */
1022 unsigned long   LIS_pTIB;       /* Pointer to TIB */
1023 unsigned long   LIS_pPIB;       /* Pointer to PIB */
1024 /* #endif */
1025 } LINFOSEG, *PLINFOSEG;
1026 
1027 #define LIS_LEN         sizeof(struct InfoSegLDT)
1028 
1029 
1030 /*
1031  *      Process Type codes
1032  *
1033  *      These are the definitions for the codes stored
1034  *      in the LIS_ProcType field in the local infoseg.
1035  */
1036 
1037 #define         LIS_PT_FULLSCRN 0       /* Full screen app. */
1038 #define         LIS_PT_REALMODE 1       /* Real mode process */
1039 #define         LIS_PT_VIOWIN   2       /* VIO windowable app. */
1040 #define         LIS_PT_PRESMGR  3       /* Presentation Manager app. */
1041 #define         LIS_PT_DETACHED 4       /* Detached app. */
1042 
1043 
1044 /*
1045  *
1046  *      Process Status Bit Definitions
1047  *
1048  */
1049 
1050 #define         LIS_PS_EXITLIST 0x01    /* In exitlist handler */
1051 
1052 
1053 /*
1054  *      Flags equates for the Global Info Segment
1055  *      SIS_SysLog  WORD in Global Info Segment
1056  *
1057  *        xxxx xxxx xxxx xxx0         Error Logging Disabled
1058  *        xxxx xxxx xxxx xxx1         Error Logging Enabled
1059  *
1060  *        xxxx xxxx xxxx xx0x         Error Logging not available
1061  *        xxxx xxxx xxxx xx1x         Error Logging available
1062  */
1063 
1064 #define LF_LOGENABLE    0x0001          /* Logging enabled */
1065 #define LF_LOGAVAILABLE 0x0002          /* Logging available */
1066 
1067 #define MAKEPGINFOSEG(sel)  ((PGINFOSEG)MAKEP(sel, 0))
1068 #define MAKEPLINFOSEG(sel)  ((PLINFOSEG)MAKEP(sel, 0))
1069 
1070 #endif	/* ndef(MAKEPLINFOSEG) */
1071 
1072 /* ************************************************************ */
1073 #define Dos32QuerySysState DosQuerySysState
1074 #define QuerySysState(flags, pid, buf, bufsz) \
1075         Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
1076 
1077 #define QSS_PROCESS	1
1078 #define QSS_MODULE	4
1079 #define QSS_SEMAPHORES	2
1080 #define QSS_FILE	8		/* Buggy until fixpack18 */
1081 #define QSS_SHARED	16
1082 
1083 #ifdef _OS2_H
1084 
1085 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
1086                         ULONG _res_,PVOID buf,ULONG bufsz);
1087 typedef struct {
1088         ULONG	threadcnt;
1089         ULONG	proccnt;
1090         ULONG	modulecnt;
1091 } QGLOBAL, *PQGLOBAL;
1092 
1093 typedef struct {
1094         ULONG	rectype;
1095         USHORT	threadid;
1096         USHORT	slotid;
1097         ULONG	sleepid;
1098         ULONG	priority;
1099         ULONG	systime;
1100         ULONG	usertime;
1101         UCHAR	state;
1102         UCHAR	_reserved1_;	/* padding to ULONG */
1103         USHORT	_reserved2_;	/* padding to ULONG */
1104 } QTHREAD, *PQTHREAD;
1105 
1106 typedef struct {
1107         USHORT	sfn;
1108         USHORT	refcnt;
1109         USHORT	flags1;
1110         USHORT	flags2;
1111         USHORT	accmode1;
1112         USHORT	accmode2;
1113         ULONG	filesize;
1114         USHORT  volhnd;
1115         USHORT	attrib;
1116         USHORT	_reserved_;
1117 } QFDS, *PQFDS;
1118 
1119 typedef struct qfile {
1120         ULONG		rectype;
1121         struct qfile	*next;
1122         ULONG		opencnt;
1123         PQFDS		filedata;
1124         char		name[1];
1125 } QFILE, *PQFILE;
1126 
1127 typedef struct {
1128         ULONG	rectype;
1129         PQTHREAD threads;
1130         USHORT	pid;
1131         USHORT	ppid;
1132         ULONG	type;
1133         ULONG	state;
1134         ULONG	sessid;
1135         USHORT	hndmod;
1136         USHORT	threadcnt;
1137         ULONG	privsem32cnt;
1138         ULONG	_reserved2_;
1139         USHORT	sem16cnt;
1140         USHORT	dllcnt;
1141         USHORT	shrmemcnt;
1142         USHORT	fdscnt;
1143         PUSHORT	sem16s;
1144         PUSHORT	dlls;
1145         PUSHORT	shrmems;
1146         PUSHORT	fds;
1147 } QPROCESS, *PQPROCESS;
1148 
1149 typedef struct sema {
1150         struct sema *next;
1151         USHORT	refcnt;
1152         UCHAR	sysflags;
1153         UCHAR	sysproccnt;
1154         ULONG	_reserved1_;
1155         USHORT	index;
1156         CHAR	name[1];
1157 } QSEMA, *PQSEMA;
1158 
1159 typedef struct {
1160         ULONG	rectype;
1161         ULONG	_reserved1_;
1162         USHORT	_reserved2_;
1163         USHORT	syssemidx;
1164         ULONG	index;
1165         QSEMA	sema;
1166 } QSEMSTRUC, *PQSEMSTRUC;
1167 
1168 typedef struct {
1169         USHORT	pid;
1170         USHORT	opencnt;
1171 } QSEMOWNER32, *PQSEMOWNER32;
1172 
1173 typedef struct {
1174         PQSEMOWNER32	own;
1175         PCHAR		name;
1176         PVOID		semrecs; /* array of associated sema's */
1177         USHORT		flags;
1178         USHORT		semreccnt;
1179         USHORT		waitcnt;
1180         USHORT		_reserved_;	/* padding to ULONG */
1181 } QSEMSMUX32, *PQSEMSMUX32;
1182 
1183 typedef struct {
1184         PQSEMOWNER32	own;
1185         PCHAR		name;
1186         PQSEMSMUX32	mux;
1187         USHORT		flags;
1188         USHORT		postcnt;
1189 } QSEMEV32, *PQSEMEV32;
1190 
1191 typedef struct {
1192         PQSEMOWNER32	own;
1193         PCHAR		name;
1194         PQSEMSMUX32	mux;
1195         USHORT		flags;
1196         USHORT		refcnt;
1197         USHORT		thrdnum;
1198         USHORT		_reserved_;	/* padding to ULONG */
1199 } QSEMMUX32, *PQSEMMUX32;
1200 
1201 typedef struct semstr32 {
1202         struct semstr *next;
1203         QSEMEV32 evsem;
1204         QSEMMUX32  muxsem;
1205         QSEMSMUX32 smuxsem;
1206 } QSEMSTRUC32, *PQSEMSTRUC32;
1207 
1208 typedef struct shrmem {
1209         struct shrmem *next;
1210         USHORT	hndshr;
1211         USHORT	selshr;
1212         USHORT	refcnt;
1213         CHAR	name[1];
1214 } QSHRMEM, *PQSHRMEM;
1215 
1216 typedef struct module {
1217         struct module *next;
1218         USHORT	hndmod;
1219         USHORT	type;
1220         ULONG	refcnt;
1221         ULONG	segcnt;
1222         PVOID	_reserved_;
1223         PCHAR	name;
1224         USHORT	modref[1];
1225 } QMODULE, *PQMODULE;
1226 
1227 typedef struct {
1228         PQGLOBAL	gbldata;
1229         PQPROCESS	procdata;
1230         PQSEMSTRUC	semadata;
1231         PQSEMSTRUC32	sem32data;
1232         PQSHRMEM	shrmemdata;
1233         PQMODULE	moddata;
1234         PVOID		_reserved2_;
1235         PQFILE		filedata;
1236 } QTOPLEVEL, *PQTOPLEVEL;
1237 /* ************************************************************ */
1238 
1239 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
1240 
1241 #endif /* _OS2_H */
1242 
1243