xref: /openbsd-src/gnu/usr.bin/perl/os2/os2ish.h (revision daf88648c0e349d5c02e1504293082072c981640)
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 if 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 #if defined(USE_5005THREADS) || defined(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_5005THREADS */
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 #endif /* USE_5005THREADS */
218 
219 void Perl_OS2_init(char **);
220 void Perl_OS2_init3(char **envp, void **excH, int flags);
221 void Perl_OS2_term(void **excH, int exitstatus, int flags);
222 
223 /* The code without INIT3 hideously puts env inside: */
224 
225 /* These ones should be in the same block as PERL_SYS_TERM() */
226 #ifdef PERL_CORE
227 
228 #  define PERL_SYS_INIT3(argcp, argvp, envp)	\
229   { void *xreg[2];				\
230     MALLOC_CHECK_TAINT(*argcp, *argvp, *envp)	\
231     _response(argcp, argvp);			\
232     _wildcard(argcp, argvp);			\
233     Perl_OS2_init3(*envp, xreg, 0)
234 
235 #  define PERL_SYS_INIT(argcp, argvp)  {	\
236   { void *xreg[2];				\
237     _response(argcp, argvp);			\
238     _wildcard(argcp, argvp);			\
239     Perl_OS2_init3(NULL, xreg, 0)
240 
241 #else  /* Compiling embedded Perl or Perl extension */
242 
243 #  define PERL_SYS_INIT3(argcp, argvp, envp)	\
244   { void *xreg[2];				\
245     Perl_OS2_init3(*envp, xreg, 0)
246 #  define PERL_SYS_INIT(argcp, argvp)	{	\
247   { void *xreg[2];				\
248     Perl_OS2_init3(NULL, xreg, 0)
249 #endif
250 
251 #define FORCE_EMX_DEINIT_EXIT		1
252 #define FORCE_EMX_DEINIT_CRT_TERM	2
253 #define FORCE_EMX_DEINIT_RUN_ATEXIT	4
254 
255 #define PERL_SYS_TERM2(xreg,flags)					\
256   Perl_OS2_term(xreg, 0, flags);					\
257   MALLOC_TERM
258 
259 #define PERL_SYS_TERM1(xreg)						\
260      Perl_OS2_term(xreg, 0, FORCE_EMX_DEINIT_RUN_ATEXIT)
261 
262 /* This one should come in pair with PERL_SYS_INIT() and in the same block */
263 #define PERL_SYS_TERM()							\
264      PERL_SYS_TERM1(xreg);						\
265   }
266 
267 #ifndef __EMX__
268 #  define PERL_CALLCONV _System
269 #endif
270 
271 /* #define PERL_SYS_TERM() STMT_START {	\
272     if (Perl_HAB_set) WinTerminate(Perl_hab);	} STMT_END */
273 
274 #define dXSUB_SYS OS2_XS_init()
275 
276 #ifdef PERL_IS_AOUT
277 /* #  define HAS_FORK */
278 /* #  define HIDEMYMALLOC */
279 /* #  define PERL_SBRK_VIA_MALLOC */ /* gets off-page sbrk... */
280 #else /* !PERL_IS_AOUT */
281 #  ifndef PERL_FOR_X2P
282 #    ifdef EMX_BAD_SBRK
283 #      define USE_PERL_SBRK
284 #    endif
285 #  else
286 #    define PerlIO FILE
287 #  endif
288 #  define SYSTEM_ALLOC(a) sys_alloc(a)
289 
290 void *sys_alloc(int size);
291 
292 #endif /* !PERL_IS_AOUT */
293 #if !defined(PERL_CORE) && !defined(PerlIO) /* a2p */
294 #  define PerlIO FILE
295 #endif
296 
297 /* os2ish is used from a2p/a2p.h without pTHX/pTHX_ first being
298  * defined.  Hack around this to get us to compile.
299 */
300 #ifdef PTHX_UNUSED
301 # ifndef pTHX
302 #  define pTHX
303 # endif
304 # ifndef pTHX_
305 #  define pTHX_
306 # endif
307 #endif
308 
309 #define TMPPATH1 "plXXXXXX"
310 extern const char *tmppath;
311 PerlIO *my_syspopen(pTHX_ char *cmd, char *mode);
312 /* Cannot prototype with I32 at this point. */
313 int my_syspclose(PerlIO *f);
314 FILE *my_tmpfile (void);
315 char *my_tmpnam (char *);
316 int my_mkdir (__const__ char *, long);
317 int my_rmdir (__const__ char *);
318 struct passwd *my_getpwent (void);
319 void my_setpwent (void);
320 void my_endpwent (void);
321 char *gcvt_os2(double value, int digits, char *buffer);
322 
323 extern int async_mssleep(unsigned long ms, int switch_priority);
324 extern unsigned long msCounter(void);
325 extern unsigned long InfoTable(int local);
326 extern unsigned long find_myself(void);
327 
328 #define MAX_SLEEP	(((1<30) / (1000/4))-1)	/* 1<32 msec */
329 
330 static __inline__ unsigned
331 my_sleep(unsigned sec)
332 {
333   int remain;
334   while (sec > MAX_SLEEP) {
335     sec -= MAX_SLEEP;
336     remain = sleep(MAX_SLEEP);
337     if (remain)
338       return remain + sec;
339   }
340   return sleep(sec);
341 }
342 
343 #define sleep		my_sleep
344 
345 #ifndef INCL_DOS
346 unsigned long DosSleep(unsigned long);
347 unsigned long DosAllocThreadLocalMemory (unsigned long cb, unsigned long **p);
348 #endif
349 
350 struct group *getgrent (void);
351 void setgrent (void);
352 void endgrent (void);
353 
354 struct passwd *my_getpwuid (uid_t);
355 struct passwd *my_getpwnam (__const__ char *);
356 
357 #undef L_tmpnam
358 #define L_tmpnam MAXPATHLEN
359 
360 #define tmpfile	my_tmpfile
361 #define tmpnam	my_tmpnam
362 #define isatty	_isterm
363 #define rand	random
364 #define srand	srandom
365 #define strtoll	_strtoll
366 #define strtoull	_strtoull
367 
368 #define usleep(usec)	((void)async_mssleep(((usec)+500)/1000, 500))
369 
370 
371 /*
372  * fwrite1() should be a routine with the same calling sequence as fwrite(),
373  * but which outputs all of the bytes requested as a single stream (unlike
374  * fwrite() itself, which on some systems outputs several distinct records
375  * if the number_of_items parameter is >1).
376  */
377 #define fwrite1 fwrite
378 
379 #define my_getenv(var) getenv(var)
380 #define flock	my_flock
381 #define rmdir	my_rmdir
382 #define mkdir	my_mkdir
383 #define setpwent	my_setpwent
384 #define getpwent	my_getpwent
385 #define endpwent	my_endpwent
386 #define getpwuid	my_getpwuid
387 #define getpwnam	my_getpwnam
388 
389 void *emx_calloc (size_t, size_t);
390 void emx_free (void *);
391 void *emx_malloc (size_t);
392 void *emx_realloc (void *, size_t);
393 
394 /*****************************************************************************/
395 
396 #include <stdlib.h>	/* before the following definitions */
397 #include <unistd.h>	/* before the following definitions */
398 #include <fcntl.h>
399 #include <sys/stat.h>
400 
401 #define chdir	_chdir2
402 #define getcwd	_getcwd2
403 
404 /* This guy is needed for quick stdstd  */
405 
406 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
407 	/* Perl uses ungetc only with successful return */
408 #  define ungetc(c,fp) \
409 	(FILE_ptr(fp) > FILE_base(fp) && c == (int)*(FILE_ptr(fp) - 1) \
410 	 ? (--FILE_ptr(fp), ++FILE_cnt(fp), (int)c) : ungetc(c,fp))
411 #endif
412 
413 #define PERLIO_IS_BINMODE_FD(fd) _PERLIO_IS_BINMODE_FD(fd)
414 
415 #ifdef __GNUG__
416 # define HAS_BOOL
417 #endif
418 #ifndef HAS_BOOL
419 # define bool char
420 # define HAS_BOOL 1
421 #endif
422 
423 #include <emx/io.h> /* for _fd_flags() prototype */
424 
425 static inline bool
426 _PERLIO_IS_BINMODE_FD(int fd)
427 {
428     int *pflags = _fd_flags(fd);
429 
430     return pflags && (*pflags) & O_BINARY;
431 }
432 
433 /* ctermid is missing from emx0.9d */
434 char *ctermid(char *s);
435 
436 #define OP_BINARY O_BINARY
437 
438 #define OS2_STAT_HACK 1
439 #if OS2_STAT_HACK
440 
441 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
442 #define Fstat(fd,bufptr)   os2_fstat((fd),(bufptr))
443 #define Fflush(fp)         fflush(fp)
444 #define Mkdir(path,mode)   mkdir((path),(mode))
445 #define chmod(path,mode)   os2_chmod((path),(mode))
446 
447 #undef S_IFBLK
448 #undef S_ISBLK
449 #define S_IFBLK		0120000		/* Hacks to make things compile... */
450 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
451 
452 int os2_chmod(const char *name, int pmode);
453 int os2_fstat(int handle, struct stat *st);
454 
455 #else
456 
457 #define Stat(fname,bufptr) stat((fname),(bufptr))
458 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
459 #define Fflush(fp)         fflush(fp)
460 #define Mkdir(path,mode)   mkdir((path),(mode))
461 
462 #endif
463 
464 /* With SD386 it is impossible to debug register variables. */
465 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
466 #  define register
467 #endif
468 
469 /* Our private OS/2 specific data. */
470 
471 typedef struct OS2_Perl_data {
472   unsigned long flags;
473   unsigned long phab;
474   int (*xs_init)();
475   unsigned long rc;
476   unsigned long severity;
477   unsigned long	phmq;			/* Handle to message queue */
478   unsigned long	phmq_refcnt;
479   unsigned long	phmq_servers;
480   unsigned long	initial_mode;		/* VIO etc. mode we were started in */
481   unsigned long	morph_refcnt;
482 } OS2_Perl_data_t;
483 
484 extern OS2_Perl_data_t OS2_Perl_data;
485 
486 #define Perl_hab		((HAB)OS2_Perl_data.phab)
487 #define Perl_rc			(OS2_Perl_data.rc)
488 #define Perl_severity		(OS2_Perl_data.severity)
489 #define errno_isOS2		12345678
490 #define errno_isOS2_set		12345679
491 #define OS2_Perl_flags	(OS2_Perl_data.flags)
492 #define Perl_HAB_set_f	1
493 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
494 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
495 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
496 #define _obtain_Perl_HAB (init_PMWIN_entries(),				\
497 			  Perl_hab = (*PMWIN_entries.Initialize)(0),	\
498 			  set_Perl_HAB_f, Perl_hab)
499 #define perl_hab_GET()	(Perl_HAB_set ? Perl_hab : _obtain_Perl_HAB)
500 #define Acquire_hab()	perl_hab_GET()
501 #define Perl_hmq	((HMQ)OS2_Perl_data.phmq)
502 #define Perl_hmq_refcnt	(OS2_Perl_data.phmq_refcnt)
503 #define Perl_hmq_servers	(OS2_Perl_data.phmq_servers)
504 #define Perl_os2_initial_mode	(OS2_Perl_data.initial_mode)
505 #define Perl_morph_refcnt	(OS2_Perl_data.morph_refcnt)
506 
507 unsigned long Perl_hab_GET();
508 unsigned long Perl_Register_MQ(int serve);
509 void	Perl_Deregister_MQ(int serve);
510 int	Perl_Serve_Messages(int force);
511 /* Cannot prototype with I32 at this point. */
512 int	Perl_Process_Messages(int force, long *cntp);
513 char	*os2_execname(pTHX);
514 
515 struct _QMSG;
516 struct PMWIN_entries_t {
517     unsigned long (*Initialize)( unsigned long fsOptions );
518     unsigned long (*CreateMsgQueue)(unsigned long hab, long cmsg);
519     int (*DestroyMsgQueue)(unsigned long hmq);
520     int (*PeekMsg)(unsigned long hab, struct _QMSG *pqmsg,
521 		   unsigned long hwndFilter, unsigned long msgFilterFirst,
522 		   unsigned long msgFilterLast, unsigned long fl);
523     int (*GetMsg)(unsigned long hab, struct _QMSG *pqmsg,
524 		  unsigned long hwndFilter, unsigned long msgFilterFirst,
525 		  unsigned long msgFilterLast);
526     void * (*DispatchMsg)(unsigned long hab, struct _QMSG *pqmsg);
527     unsigned long (*GetLastError)(unsigned long hab);
528     unsigned long (*CancelShutdown)(unsigned long hmq, unsigned long fCancelAlways);
529 };
530 extern struct PMWIN_entries_t PMWIN_entries;
531 void init_PMWIN_entries(void);
532 
533 #define perl_hmq_GET(serve)	Perl_Register_MQ(serve)
534 #define perl_hmq_UNSET(serve)	Perl_Deregister_MQ(serve)
535 
536 #define OS2_XS_init() (*OS2_Perl_data.xs_init)(aTHX)
537 
538 #if _EMX_CRT_REV_ >= 60
539 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2_set, \
540 				_setsyserrno(rc))
541 #else
542 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2)
543 #endif
544 
545 /* The expressions below return true on error. */
546 /* INCL_DOSERRORS needed. rc should be declared outside. */
547 #define CheckOSError(expr) ((rc = (expr)) ? (FillOSError(rc), rc) : 0)
548 /* INCL_WINERRORS needed. */
549 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
550 
551 /* This form propagates the return value, setting $^E if needed */
552 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
553 
554 /* This form propagates the return value, dieing with $^E if needed */
555 #define SaveCroakWinError(expr,die,name1,name2)		\
556   ((expr) ? : (CroakWinError(die,name1 name2), 0))
557 
558 #define FillOSError(rc) (os2_setsyserrno(rc),				\
559 			Perl_severity = SEVERITY_ERROR)
560 
561 #define WinError_2_Perl_rc	\
562  (	init_PMWIN_entries(),	\
563 	Perl_rc=(*PMWIN_entries.GetLastError)(perl_hab_GET()) )
564 
565 /* Calling WinGetLastError() resets the error code of the current thread.
566    Since for some Win* API return value 0 is normal, one needs to call
567    this before calling them to distinguish normal and anomalous returns.  */
568 /*#define ResetWinError()	WinError_2_Perl_rc */
569 
570 /* At this moment init_PMWIN_entries() should be a nop (WinInitialize should
571    be called already, right?), so we do not risk stepping over our own error */
572 #define FillWinError (	WinError_2_Perl_rc,				\
573 			Perl_severity = ERRORIDSEV(Perl_rc),		\
574 			Perl_rc = ERRORIDERROR(Perl_rc),		\
575 			os2_setsyserrno(Perl_rc))
576 
577 #define STATIC_FILE_LENGTH 127
578 
579     /* This should match loadOrdinals[] array in os2.c */
580 enum entries_ordinals {
581     ORD_DosQueryExtLibpath,
582     ORD_DosSetExtLibpath,
583     ORD_DosVerifyPidTid,
584     ORD_SETHOSTENT,
585     ORD_SETNETENT,
586     ORD_SETPROTOENT,
587     ORD_SETSERVENT,
588     ORD_GETHOSTENT,
589     ORD_GETNETENT,
590     ORD_GETPROTOENT,
591     ORD_GETSERVENT,
592     ORD_ENDHOSTENT,
593     ORD_ENDNETENT,
594     ORD_ENDPROTOENT,
595     ORD_ENDSERVENT,
596     ORD_WinInitialize,
597     ORD_WinCreateMsgQueue,
598     ORD_WinDestroyMsgQueue,
599     ORD_WinPeekMsg,
600     ORD_WinGetMsg,
601     ORD_WinDispatchMsg,
602     ORD_WinGetLastError,
603     ORD_WinCancelShutdown,
604     ORD_RexxStart,
605     ORD_RexxVariablePool,
606     ORD_RexxRegisterFunctionExe,
607     ORD_RexxDeregisterFunction,
608     ORD_DOSSMSETTITLE,
609     ORD_PRF32QUERYPROFILESIZE,
610     ORD_PRF32OPENPROFILE,
611     ORD_PRF32CLOSEPROFILE,
612     ORD_PRF32QUERYPROFILE,
613     ORD_PRF32RESET,
614     ORD_PRF32QUERYPROFILEDATA,
615     ORD_PRF32WRITEPROFILEDATA,
616 
617     ORD_WinChangeSwitchEntry,
618     ORD_WinQuerySwitchEntry,
619     ORD_WinQuerySwitchHandle,
620     ORD_WinQuerySwitchList,
621     ORD_WinSwitchToProgram,
622     ORD_WinBeginEnumWindows,
623     ORD_WinEndEnumWindows,
624     ORD_WinEnumDlgItem,
625     ORD_WinGetNextWindow,
626     ORD_WinIsChild,
627     ORD_WinQueryActiveWindow,
628     ORD_WinQueryClassName,
629     ORD_WinQueryFocus,
630     ORD_WinQueryWindow,
631     ORD_WinQueryWindowPos,
632     ORD_WinQueryWindowProcess,
633     ORD_WinQueryWindowText,
634     ORD_WinQueryWindowTextLength,
635     ORD_WinSetFocus,
636     ORD_WinSetWindowPos,
637     ORD_WinSetWindowText,
638     ORD_WinShowWindow,
639     ORD_WinIsWindow,
640     ORD_WinWindowFromId,
641     ORD_WinWindowFromPoint,
642     ORD_WinPostMsg,
643     ORD_WinEnableWindow,
644     ORD_WinEnableWindowUpdate,
645     ORD_WinIsWindowEnabled,
646     ORD_WinIsWindowShowing,
647     ORD_WinIsWindowVisible,
648     ORD_WinQueryWindowPtr,
649     ORD_WinQueryWindowULong,
650     ORD_WinQueryWindowUShort,
651     ORD_WinSetWindowBits,
652     ORD_WinSetWindowPtr,
653     ORD_WinSetWindowULong,
654     ORD_WinSetWindowUShort,
655     ORD_WinQueryDesktopWindow,
656     ORD_WinSetActiveWindow,
657     ORD_DosQueryModFromEIP,
658     ORD_Dos32QueryHeaderInfo,
659     ORD_DosTmrQueryFreq,
660     ORD_DosTmrQueryTime,
661     ORD_WinQueryActiveDesktopPathname,
662     ORD_WinInvalidateRect,
663     ORD_WinCreateFrameControls,
664     ORD_WinQueryClipbrdFmtInfo,
665     ORD_WinQueryClipbrdOwner,
666     ORD_WinQueryClipbrdViewer,
667     ORD_WinQueryClipbrdData,
668     ORD_WinOpenClipbrd,
669     ORD_WinCloseClipbrd,
670     ORD_WinSetClipbrdData,
671     ORD_WinSetClipbrdOwner,
672     ORD_WinSetClipbrdViewer,
673     ORD_WinEnumClipbrdFmts,
674     ORD_WinEmptyClipbrd,
675     ORD_WinAddAtom,
676     ORD_WinFindAtom,
677     ORD_WinDeleteAtom,
678     ORD_WinQueryAtomUsage,
679     ORD_WinQueryAtomName,
680     ORD_WinQueryAtomLength,
681     ORD_WinQuerySystemAtomTable,
682     ORD_WinCreateAtomTable,
683     ORD_WinDestroyAtomTable,
684     ORD_WinOpenWindowDC,
685     ORD_DevOpenDC,
686     ORD_DevQueryCaps,
687     ORD_DevCloseDC,
688     ORD_WinMessageBox,
689     ORD_WinMessageBox2,
690     ORD_WinQuerySysValue,
691     ORD_WinSetSysValue,
692     ORD_WinAlarm,
693     ORD_WinFlashWindow,
694     ORD_WinLoadPointer,
695     ORD_WinQuerySysPointer,
696     ORD_DosReplaceModule,
697     ORD_DosPerfSysCall,
698     ORD_RexxRegisterSubcomExe,
699     ORD_NENTRIES
700 };
701 
702 /* RET: return type, AT: argument signature in (), ARGS: should be in () */
703 #define CallORD(ret,o,at,args)	(((ret (*)at) loadByOrdinal(o, 1))args)
704 #define DeclFuncByORD(ret,name,o,at,args)	\
705   ret name at { return CallORD(ret,o,at,args); }
706 #define DeclVoidFuncByORD(name,o,at,args)	\
707   void name at { CallORD(void,o,at,args); }
708 
709 /* This function returns error code on error, and saves the error info in $^E and Perl_rc */
710 #define DeclOSFuncByORD_native(ret,name,o,at,args)	\
711   ret name at { unsigned long rc; return CheckOSError(CallORD(ret,o,at,args)); }
712 
713 /* These functions return false on error, and save the error info in $^E and Perl_rc */
714 #define DeclOSFuncByORD(ret,name,o,at,args)	\
715   ret name at { unsigned long rc; return !CheckOSError(CallORD(ret,o,at,args)); }
716 #define DeclWinFuncByORD(ret,name,o,at,args)	\
717   ret name at { return SaveWinError(CallORD(ret,o,at,args)); }
718 
719 #define AssignFuncPByORD(p,o)	(*(Perl_PFN*)&(p) = (loadByOrdinal(o, 1)))
720 
721 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
722 #define DeclWinFuncByORD_CACHE(ret,name,o,at,args)	\
723 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,1)
724 
725 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
726 #define DeclWinFuncByORD_CACHE_resetError(ret,name,o,at,args)	\
727 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,1)
728 
729 /* Two flavors below do the same as above, but do not auto-croak */
730 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
731 #define DeclWinFuncByORD_CACHE_survive(ret,name,o,at,args)	\
732 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,0)
733 
734 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
735 #define DeclWinFuncByORD_CACHE_resetError_survive(ret,name,o,at,args)	\
736 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,0)
737 
738 #define DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,r,die)	\
739   static ret (*CAT2(p__Win,name)) at;				\
740   static ret name at {						\
741 	if (!CAT2(p__Win,name))					\
742 	    AssignFuncPByORD(CAT2(p__Win,name), o);		\
743 	if (r) ResetWinError();					\
744 	return SaveCroakWinError(CAT2(p__Win,name) args, die, "[Win]", STRINGIFY(name)); }
745 
746 /* These flavors additionally assume ORD is name with prepended ORD_Win  */
747 #define DeclWinFunc_CACHE(ret,name,at,args)	\
748 	DeclWinFuncByORD_CACHE(ret,name,CAT2(ORD_Win,name),at,args)
749 #define DeclWinFunc_CACHE_resetError(ret,name,at,args)	\
750 	DeclWinFuncByORD_CACHE_resetError(ret,name,CAT2(ORD_Win,name),at,args)
751 #define DeclWinFunc_CACHE_survive(ret,name,at,args)	\
752 	DeclWinFuncByORD_CACHE_survive(ret,name,CAT2(ORD_Win,name),at,args)
753 #define DeclWinFunc_CACHE_resetError_survive(ret,name,at,args)	\
754 	DeclWinFuncByORD_CACHE_resetError_survive(ret,name,CAT2(ORD_Win,name),at,args)
755 
756 void ResetWinError(void);
757 void CroakWinError(int die, char *name);
758 
759 enum Perlos2_handler {
760   Perlos2_handler_mangle = 1,
761   Perlos2_handler_perl_sh,
762   Perlos2_handler_perllib_from,
763   Perlos2_handler_perllib_to,
764 };
765 enum dir_subst_e {
766     dir_subst_fatal = 1,
767     dir_subst_pathlike = 2
768 };
769 
770 extern int Perl_OS2_handler_install(void *handler, enum Perlos2_handler how);
771 extern char *dir_subst(char *s, unsigned int l, char *b, unsigned int bl, enum dir_subst_e flags, char *msg);
772 extern unsigned long fill_extLibpath(int type, char *pre, char *post, int replace, char *msg);
773 
774 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
775 char *perllib_mangle(char *, unsigned int);
776 
777 #define fork	fork_with_resources
778 
779 #ifdef EINTR				/* x2p do not include perl.h!!! */
780 static __inline__ int
781 my_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
782 {
783   if (nfds == 0 && timeout && (_emx_env & 0x200)) {
784     if (async_mssleep(1000 * timeout->tv_sec + (timeout->tv_usec + 500)/1000, 500))
785       return 0;
786     errno = EINTR;
787     return -1;
788   }
789   return select(nfds, readfds, writefds, exceptfds, timeout);
790 }
791 
792 #define select		my_select
793 #endif
794 
795 
796 typedef int (*Perl_PFN)();
797 Perl_PFN loadByOrdinal(enum entries_ordinals ord, int fail);
798 extern const Perl_PFN * const pExtFCN;
799 char *os2error(int rc);
800 int os2_stat(const char *name, struct stat *st);
801 int fork_with_resources();
802 int setpriority(int which, int pid, int val);
803 int getpriority(int which /* ignored */, int pid);
804 
805 void croak_with_os2error(char *s) __attribute__((noreturn));
806 
807 /* void return value */
808 #define os2cp_croak(rc,msg)	(CheckOSError(rc) && (croak_with_os2error(msg),0))
809 
810 /* propagates rc */
811 #define os2win_croak(rc,msg)						\
812 	SaveCroakWinError((expr), 1 /* die */, /* no prefix */, (msg))
813 
814 /* propagates rc; use with functions which may return 0 on success */
815 #define os2win_croak_0OK(rc,msg)					\
816 	SaveCroakWinError((ResetWinError, (expr)),			\
817 			  1 /* die */, /* no prefix */, (msg))
818 
819 #ifdef PERL_CORE
820 int os2_do_spawn(pTHX_ char *cmd);
821 int os2_do_aspawn(pTHX_ SV *really, SV **vmark, SV **vsp);
822 #endif
823 
824 #ifndef LOG_DAEMON
825 
826 /* Replacement for syslog.h */
827 #  define	LOG_EMERG	0	/* system is unusable */
828 #  define	LOG_ALERT	1	/* action must be taken immediately */
829 #  define	LOG_CRIT	2	/* critical conditions */
830 #  define	LOG_ERR	3	/* error conditions */
831 #  define	LOG_WARNING	4	/* warning conditions */
832 #  define	LOG_NOTICE	5	/* normal but significant condition */
833 #  define	LOG_INFO	6	/* informational */
834 #  define	LOG_DEBUG	7	/* debug-level messages */
835 
836 #  define	LOG_PRIMASK	0x007	/* mask to extract priority part (internal) */
837 				/* extract priority */
838 #  define	LOG_PRI(p)	((p) & LOG_PRIMASK)
839 #  define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
840 
841 /* facility codes */
842 #  define	LOG_KERN	(0<<3)	/* kernel messages */
843 #  define	LOG_USER	(1<<3)	/* random user-level messages */
844 #  define	LOG_MAIL	(2<<3)	/* mail system */
845 #  define	LOG_DAEMON	(3<<3)	/* system daemons */
846 #  define	LOG_AUTH	(4<<3)	/* security/authorization messages */
847 #  define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
848 #  define	LOG_LPR	(6<<3)	/* line printer subsystem */
849 #  define	LOG_NEWS	(7<<3)	/* network news subsystem */
850 #  define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
851 #  define	LOG_CRON	(15<<3)	/* clock daemon */
852 	/* other codes through 15 reserved for system use */
853 #  define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
854 #  define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
855 #  define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
856 #  define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
857 #  define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
858 #  define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
859 #  define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
860 #  define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
861 
862 #  define	LOG_NFACILITIES	24	/* current number of facilities */
863 #  define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
864 				/* facility of pri */
865 #  define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
866 
867 /*
868  * arguments to setlogmask.
869  */
870 #  define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
871 #  define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
872 
873 /*
874  * Option flags for openlog.
875  *
876  * LOG_ODELAY no longer does anything.
877  * LOG_NDELAY is the inverse of what it used to be.
878  */
879 #  define	LOG_PID		0x01	/* log the pid with each message */
880 #  define	LOG_CONS	0x02	/* log on the console if errors in sending */
881 #  define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
882 #  define	LOG_NDELAY	0x08	/* don't delay open */
883 #  define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
884 #  define	LOG_PERROR	0x20	/* log to stderr as well */
885 
886 #endif
887 
888 /* ************************************************* */
889 #ifndef MAKEPLINFOSEG
890 
891 /* From $DDK\base32\rel\os2c\include\base\os2\16bit\infoseg.h + typedefs */
892 
893 /*
894  * The structure below defines the content and organization of the system
895  * information segment (InfoSeg).  The actual table is statically defined in
896  * SDATA.ASM.  Ring 0, read/write access is obtained by the clock device
897  * driver using the DevHlp GetDOSVar function.  (GetDOSVar returns a ring 0,
898  * read-only selector to all other requestors.)
899  *
900  * In order to prevent an errant process from destroying the infoseg, two
901  * identical global infosegs are maintained.  One is in the tiled shared
902  * arena and is accessible in user mode (and therefore can potentially be
903  * overwritten from ring 2), and the other is in the system arena and is
904  * accessible only in kernel mode.  All kernel code (except the clock driver)
905  * is responsible for updating BOTH copies of the infoseg.  The copy kept
906  * in the system arena is addressable as DOSGROUP:SISData, and the copy
907  * in the shared arena is addressable via a system arena alias.  16:16 and
908  * 0:32 pointers to the alias are stored in _Sis2.
909  */
910 
911 typedef struct InfoSegGDT {
912 
913 /* Time (offset 0x00) */
914 
915 unsigned long   SIS_BigTime;    /* Time from 1-1-1970 in seconds */
916 unsigned long   SIS_MsCount;    /* Freerunning milliseconds counter */
917 unsigned char   SIS_HrsTime;    /* Hours */
918 unsigned char   SIS_MinTime;    /* Minutes */
919 unsigned char   SIS_SecTime;    /* Seconds */
920 unsigned char   SIS_HunTime;    /* Hundredths of seconds */
921 unsigned short  SIS_TimeZone;   /* Timezone in min from GMT (Set to EST) */
922 unsigned short  SIS_ClkIntrvl;  /* Timer interval (units=0.0001 secs) */
923 
924 /* Date (offset 0x10) */
925 
926 unsigned char   SIS_DayDate;    /* Day-of-month (1-31) */
927 unsigned char   SIS_MonDate;    /* Month (1-12) */
928 unsigned short  SIS_YrsDate;    /* Year (>= 1980) */
929 unsigned char   SIS_DOWDate;    /* Day-of-week (1-1-80 = Tues = 3) */
930 
931 /* Version (offset 0x15) */
932 
933 unsigned char   SIS_VerMajor;   /* Major version number */
934 unsigned char   SIS_VerMinor;   /* Minor version number */
935 unsigned char   SIS_RevLettr;   /* Revision letter */
936 
937 /* System Status (offset 0x18) */
938 
939 unsigned char   SIS_CurScrnGrp; /* Fgnd screen group # */
940 unsigned char   SIS_MaxScrnGrp; /* Maximum number of screen groups */
941 unsigned char   SIS_HugeShfCnt; /* Shift count for huge segments */
942 unsigned char   SIS_ProtMdOnly; /* Protect-mode-only indicator */
943 unsigned short  SIS_FgndPID;    /* Foreground process ID */
944 
945 /* Scheduler Parms (offset 0x1E) */
946 
947 unsigned char   SIS_Dynamic;    /* Dynamic variation flag (1=enabled) */
948 unsigned char   SIS_MaxWait;    /* Maxwait (seconds) */
949 unsigned short  SIS_MinSlice;   /* Minimum timeslice (milliseconds) */
950 unsigned short  SIS_MaxSlice;   /* Maximum timeslice (milliseconds) */
951 
952 /* Boot Drive (offset 0x24) */
953 
954 unsigned short  SIS_BootDrv;    /* Drive from which system was booted */
955 
956 /* RAS Major Event Code Table (offset 0x26) */
957 
958 unsigned char   SIS_mec_table[32]; /* Table of RAS Major Event Codes (MECs) */
959 
960 /* Additional Session Data (offset 0x46) */
961 
962 unsigned char   SIS_MaxVioWinSG;  /* Max. no. of VIO windowable SG's */
963 unsigned char   SIS_MaxPresMgrSG; /* Max. no. of Presentation Manager SG's */
964 
965 /* Error logging Information (offset 0x48) */
966 
967 unsigned short  SIS_SysLog;     /* Error Logging Status */
968 
969 /* Additional RAS Information (offset 0x4A) */
970 
971 unsigned short  SIS_MMIOBase;   /* Memory mapped I/O selector */
972 unsigned long   SIS_MMIOAddr;   /* Memory mapped I/O address  */
973 
974 /* Additional 2.0 Data (offset 0x50) */
975 
976 unsigned char   SIS_MaxVDMs;      /* Max. no. of Virtual DOS machines */
977 unsigned char   SIS_Reserved;
978 
979 unsigned char   SIS_perf_mec_table[32]; /* varga 6/5/97 Table of Perfomance Major Event Codes (MECS) varga*/
980 } GINFOSEG, *PGINFOSEG;
981 
982 #define SIS_LEN         sizeof(struct InfoSegGDT)
983 
984 /*
985  *      InfoSeg LDT Data Segment Structure
986  *
987  * The structure below defines the content and organization of the system
988  * information in a special per-process segment to be accessible by the
989  * process through the LDT (read-only).
990  *
991  * As in the global infoseg, two copies of the current processes local
992  * infoseg exist, one accessible in both user and kernel mode, the other
993  * only in kernel mode.  Kernel code is responsible for updating BOTH copies.
994  * Pointers to the local infoseg copy are stored in _Lis2.
995  *
996  * Note that only the currently running process has an extra copy of the
997  * local infoseg.  The copy is done at context switch time.
998  */
999 
1000 typedef struct InfoSegLDT {
1001 unsigned short  LIS_CurProcID;  /* Current process ID */
1002 unsigned short  LIS_ParProcID;  /* Process ID of parent */
1003 unsigned short  LIS_CurThrdPri; /* Current thread priority */
1004 unsigned short  LIS_CurThrdID;  /* Current thread ID */
1005 unsigned short  LIS_CurScrnGrp; /* Screengroup */
1006 unsigned char   LIS_ProcStatus; /* Process status bits */
1007 unsigned char   LIS_fillbyte1;  /* filler byte */
1008 unsigned short  LIS_Fgnd;       /* Current process is in foreground */
1009 unsigned char   LIS_ProcType;   /* Current process type */
1010 unsigned char   LIS_fillbyte2;  /* filler byte */
1011 
1012 unsigned short  LIS_AX;         /* @@V1 Environment selector */
1013 unsigned short  LIS_BX;         /* @@V1 Offset of command line start */
1014 unsigned short  LIS_CX;         /* @@V1 Length of Data Segment */
1015 unsigned short  LIS_DX;         /* @@V1 STACKSIZE from the .EXE file */
1016 unsigned short  LIS_SI;         /* @@V1 HEAPSIZE  from the .EXE file */
1017 unsigned short  LIS_DI;         /* @@V1 Module handle of the application */
1018 unsigned short  LIS_DS;         /* @@V1 Data Segment Handle of application */
1019 
1020 unsigned short  LIS_PackSel;    /* First tiled selector in this EXE */
1021 unsigned short  LIS_PackShrSel; /* First selector above shared arena */
1022 unsigned short  LIS_PackPckSel; /* First selector above packed arena */
1023 /* #ifdef SMP */
1024 unsigned long   LIS_pTIB;       /* Pointer to TIB */
1025 unsigned long   LIS_pPIB;       /* Pointer to PIB */
1026 /* #endif */
1027 } LINFOSEG, *PLINFOSEG;
1028 
1029 #define LIS_LEN         sizeof(struct InfoSegLDT)
1030 
1031 
1032 /*
1033  *      Process Type codes
1034  *
1035  *      These are the definitons for the codes stored
1036  *      in the LIS_ProcType field in the local infoseg.
1037  */
1038 
1039 #define         LIS_PT_FULLSCRN 0       /* Full screen app. */
1040 #define         LIS_PT_REALMODE 1       /* Real mode process */
1041 #define         LIS_PT_VIOWIN   2       /* VIO windowable app. */
1042 #define         LIS_PT_PRESMGR  3       /* Presentation Manager app. */
1043 #define         LIS_PT_DETACHED 4       /* Detached app. */
1044 
1045 
1046 /*
1047  *
1048  *      Process Status Bit Definitions
1049  *
1050  */
1051 
1052 #define         LIS_PS_EXITLIST 0x01    /* In exitlist handler */
1053 
1054 
1055 /*
1056  *      Flags equates for the Global Info Segment
1057  *      SIS_SysLog  WORD in Global Info Segment
1058  *
1059  *        xxxx xxxx xxxx xxx0         Error Logging Disabled
1060  *        xxxx xxxx xxxx xxx1         Error Logging Enabled
1061  *
1062  *        xxxx xxxx xxxx xx0x         Error Logging not available
1063  *        xxxx xxxx xxxx xx1x         Error Logging available
1064  */
1065 
1066 #define LF_LOGENABLE    0x0001          /* Logging enabled */
1067 #define LF_LOGAVAILABLE 0x0002          /* Logging available */
1068 
1069 #define MAKEPGINFOSEG(sel)  ((PGINFOSEG)MAKEP(sel, 0))
1070 #define MAKEPLINFOSEG(sel)  ((PLINFOSEG)MAKEP(sel, 0))
1071 
1072 #endif	/* ndef(MAKEPLINFOSEG) */
1073 
1074 /* ************************************************************ */
1075 #define Dos32QuerySysState DosQuerySysState
1076 #define QuerySysState(flags, pid, buf, bufsz) \
1077 	Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
1078 
1079 #define QSS_PROCESS	1
1080 #define QSS_MODULE	4
1081 #define QSS_SEMAPHORES	2
1082 #define QSS_FILE	8		/* Buggy until fixpack18 */
1083 #define QSS_SHARED	16
1084 
1085 #ifdef _OS2_H
1086 
1087 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
1088 			ULONG _res_,PVOID buf,ULONG bufsz);
1089 typedef struct {
1090 	ULONG	threadcnt;
1091 	ULONG	proccnt;
1092 	ULONG	modulecnt;
1093 } QGLOBAL, *PQGLOBAL;
1094 
1095 typedef struct {
1096 	ULONG	rectype;
1097 	USHORT	threadid;
1098 	USHORT	slotid;
1099 	ULONG	sleepid;
1100 	ULONG	priority;
1101 	ULONG	systime;
1102 	ULONG	usertime;
1103 	UCHAR	state;
1104 	UCHAR	_reserved1_;	/* padding to ULONG */
1105 	USHORT	_reserved2_;	/* padding to ULONG */
1106 } QTHREAD, *PQTHREAD;
1107 
1108 typedef struct {
1109 	USHORT	sfn;
1110 	USHORT	refcnt;
1111 	USHORT	flags1;
1112 	USHORT	flags2;
1113 	USHORT	accmode1;
1114 	USHORT	accmode2;
1115 	ULONG	filesize;
1116 	USHORT  volhnd;
1117 	USHORT	attrib;
1118 	USHORT	_reserved_;
1119 } QFDS, *PQFDS;
1120 
1121 typedef struct qfile {
1122 	ULONG		rectype;
1123 	struct qfile	*next;
1124 	ULONG		opencnt;
1125 	PQFDS		filedata;
1126 	char		name[1];
1127 } QFILE, *PQFILE;
1128 
1129 typedef struct {
1130 	ULONG	rectype;
1131 	PQTHREAD threads;
1132 	USHORT	pid;
1133 	USHORT	ppid;
1134 	ULONG	type;
1135 	ULONG	state;
1136 	ULONG	sessid;
1137 	USHORT	hndmod;
1138 	USHORT	threadcnt;
1139 	ULONG	privsem32cnt;
1140 	ULONG	_reserved2_;
1141 	USHORT	sem16cnt;
1142 	USHORT	dllcnt;
1143 	USHORT	shrmemcnt;
1144 	USHORT	fdscnt;
1145 	PUSHORT	sem16s;
1146 	PUSHORT	dlls;
1147 	PUSHORT	shrmems;
1148 	PUSHORT	fds;
1149 } QPROCESS, *PQPROCESS;
1150 
1151 typedef struct sema {
1152 	struct sema *next;
1153 	USHORT	refcnt;
1154 	UCHAR	sysflags;
1155 	UCHAR	sysproccnt;
1156 	ULONG	_reserved1_;
1157 	USHORT	index;
1158 	CHAR	name[1];
1159 } QSEMA, *PQSEMA;
1160 
1161 typedef struct {
1162 	ULONG	rectype;
1163 	ULONG	_reserved1_;
1164 	USHORT	_reserved2_;
1165 	USHORT	syssemidx;
1166 	ULONG	index;
1167 	QSEMA	sema;
1168 } QSEMSTRUC, *PQSEMSTRUC;
1169 
1170 typedef struct {
1171 	USHORT	pid;
1172 	USHORT	opencnt;
1173 } QSEMOWNER32, *PQSEMOWNER32;
1174 
1175 typedef struct {
1176 	PQSEMOWNER32	own;
1177 	PCHAR		name;
1178 	PVOID		semrecs; /* array of associated sema's */
1179 	USHORT		flags;
1180 	USHORT		semreccnt;
1181 	USHORT		waitcnt;
1182 	USHORT		_reserved_;	/* padding to ULONG */
1183 } QSEMSMUX32, *PQSEMSMUX32;
1184 
1185 typedef struct {
1186 	PQSEMOWNER32	own;
1187 	PCHAR		name;
1188 	PQSEMSMUX32	mux;
1189 	USHORT		flags;
1190 	USHORT		postcnt;
1191 } QSEMEV32, *PQSEMEV32;
1192 
1193 typedef struct {
1194 	PQSEMOWNER32	own;
1195 	PCHAR		name;
1196 	PQSEMSMUX32	mux;
1197 	USHORT		flags;
1198 	USHORT		refcnt;
1199 	USHORT		thrdnum;
1200 	USHORT		_reserved_;	/* padding to ULONG */
1201 } QSEMMUX32, *PQSEMMUX32;
1202 
1203 typedef struct semstr32 {
1204 	struct semstr *next;
1205 	QSEMEV32 evsem;
1206 	QSEMMUX32  muxsem;
1207 	QSEMSMUX32 smuxsem;
1208 } QSEMSTRUC32, *PQSEMSTRUC32;
1209 
1210 typedef struct shrmem {
1211 	struct shrmem *next;
1212 	USHORT	hndshr;
1213 	USHORT	selshr;
1214 	USHORT	refcnt;
1215 	CHAR	name[1];
1216 } QSHRMEM, *PQSHRMEM;
1217 
1218 typedef struct module {
1219 	struct module *next;
1220 	USHORT	hndmod;
1221 	USHORT	type;
1222 	ULONG	refcnt;
1223 	ULONG	segcnt;
1224 	PVOID	_reserved_;
1225 	PCHAR	name;
1226 	USHORT	modref[1];
1227 } QMODULE, *PQMODULE;
1228 
1229 typedef struct {
1230 	PQGLOBAL	gbldata;
1231 	PQPROCESS	procdata;
1232 	PQSEMSTRUC	semadata;
1233 	PQSEMSTRUC32	sem32data;
1234 	PQSHRMEM	shrmemdata;
1235 	PQMODULE	moddata;
1236 	PVOID		_reserved2_;
1237 	PQFILE		filedata;
1238 } QTOPLEVEL, *PQTOPLEVEL;
1239 /* ************************************************************ */
1240 
1241 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
1242 
1243 #endif /* _OS2_H */
1244 
1245