xref: /openbsd/gnu/usr.bin/perl/os2/os2ish.h (revision 09467b48)
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 #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 #ifdef __GNUG__
422 # define HAS_BOOL
423 #endif
424 #ifndef HAS_BOOL
425 # define bool char
426 # define HAS_BOOL 1
427 #endif
428 
429 #include <emx/io.h> /* for _fd_flags() prototype */
430 
431 static inline bool
432 _PERLIO_IS_BINMODE_FD(int fd)
433 {
434     int *pflags = _fd_flags(fd);
435 
436     return pflags && (*pflags) & O_BINARY;
437 }
438 
439 /* ctermid is missing from emx0.9d */
440 char *ctermid(char *s);
441 
442 #define OP_BINARY O_BINARY
443 
444 #define OS2_STAT_HACK 1
445 #if OS2_STAT_HACK
446 
447 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
448 #define Fstat(fd,bufptr)   os2_fstat((fd),(bufptr))
449 #define Fflush(fp)         fflush(fp)
450 #define Mkdir(path,mode)   mkdir((path),(mode))
451 #define chmod(path,mode)   os2_chmod((path),(mode))
452 
453 #undef S_IFBLK
454 #undef S_ISBLK
455 #define S_IFBLK		0120000		/* Hacks to make things compile... */
456 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
457 
458 int os2_chmod(const char *name, int pmode);
459 int os2_fstat(int handle, struct stat *st);
460 
461 #else
462 
463 #define Stat(fname,bufptr) stat((fname),(bufptr))
464 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
465 #define Fflush(fp)         fflush(fp)
466 #define Mkdir(path,mode)   mkdir((path),(mode))
467 
468 #endif
469 
470 /* With SD386 it is impossible to debug register variables. */
471 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
472 #  define register
473 #endif
474 
475 /* Our private OS/2 specific data. */
476 
477 typedef struct OS2_Perl_data {
478   unsigned long flags;
479   unsigned long phab;
480   int (*xs_init)();
481   unsigned long rc;
482   unsigned long severity;
483   unsigned long	phmq;			/* Handle to message queue */
484   unsigned long	phmq_refcnt;
485   unsigned long	phmq_servers;
486   unsigned long	initial_mode;		/* VIO etc. mode we were started in */
487   unsigned long	morph_refcnt;
488 } OS2_Perl_data_t;
489 
490 extern OS2_Perl_data_t OS2_Perl_data;
491 
492 #define Perl_hab		((HAB)OS2_Perl_data.phab)
493 #define Perl_rc			(OS2_Perl_data.rc)
494 #define Perl_severity		(OS2_Perl_data.severity)
495 #define errno_isOS2		12345678
496 #define errno_isOS2_set		12345679
497 #define OS2_Perl_flags	(OS2_Perl_data.flags)
498 #define Perl_HAB_set_f	1
499 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
500 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
501 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
502 #define _obtain_Perl_HAB (init_PMWIN_entries(),				\
503 			  Perl_hab = (*PMWIN_entries.Initialize)(0),	\
504 			  set_Perl_HAB_f, Perl_hab)
505 #define perl_hab_GET()	(Perl_HAB_set ? Perl_hab : _obtain_Perl_HAB)
506 #define Acquire_hab()	perl_hab_GET()
507 #define Perl_hmq	((HMQ)OS2_Perl_data.phmq)
508 #define Perl_hmq_refcnt	(OS2_Perl_data.phmq_refcnt)
509 #define Perl_hmq_servers	(OS2_Perl_data.phmq_servers)
510 #define Perl_os2_initial_mode	(OS2_Perl_data.initial_mode)
511 #define Perl_morph_refcnt	(OS2_Perl_data.morph_refcnt)
512 
513 unsigned long Perl_hab_GET();
514 unsigned long Perl_Register_MQ(int serve);
515 void	Perl_Deregister_MQ(int serve);
516 int	Perl_Serve_Messages(int force);
517 /* Cannot prototype with I32 at this point. */
518 int	Perl_Process_Messages(int force, long *cntp);
519 char	*os2_execname(pTHX);
520 
521 struct _QMSG;
522 struct PMWIN_entries_t {
523     unsigned long (*Initialize)( unsigned long fsOptions );
524     unsigned long (*CreateMsgQueue)(unsigned long hab, long cmsg);
525     int (*DestroyMsgQueue)(unsigned long hmq);
526     int (*PeekMsg)(unsigned long hab, struct _QMSG *pqmsg,
527 		   unsigned long hwndFilter, unsigned long msgFilterFirst,
528 		   unsigned long msgFilterLast, unsigned long fl);
529     int (*GetMsg)(unsigned long hab, struct _QMSG *pqmsg,
530 		  unsigned long hwndFilter, unsigned long msgFilterFirst,
531 		  unsigned long msgFilterLast);
532     void * (*DispatchMsg)(unsigned long hab, struct _QMSG *pqmsg);
533     unsigned long (*GetLastError)(unsigned long hab);
534     unsigned long (*CancelShutdown)(unsigned long hmq, unsigned long fCancelAlways);
535 };
536 extern struct PMWIN_entries_t PMWIN_entries;
537 void init_PMWIN_entries(void);
538 
539 #define perl_hmq_GET(serve)	Perl_Register_MQ(serve)
540 #define perl_hmq_UNSET(serve)	Perl_Deregister_MQ(serve)
541 
542 #define OS2_XS_init() (*OS2_Perl_data.xs_init)(aTHX)
543 
544 #if _EMX_CRT_REV_ >= 60
545 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2_set, \
546 				_setsyserrno(rc))
547 #else
548 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2)
549 #endif
550 
551 /* The expressions below return true on error. */
552 /* INCL_DOSERRORS needed. rc should be declared outside. */
553 #define CheckOSError(expr) ((rc = (expr)) ? (FillOSError(rc), rc) : 0)
554 /* INCL_WINERRORS needed. */
555 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
556 
557 /* This form propagates the return value, setting $^E if needed */
558 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
559 
560 /* This form propagates the return value, dieing with $^E if needed */
561 #define SaveCroakWinError(expr,die,name1,name2)		\
562   ((expr) ? : (CroakWinError(die,name1 name2), 0))
563 
564 #define FillOSError(rc) (os2_setsyserrno(rc),				\
565 			Perl_severity = SEVERITY_ERROR)
566 
567 #define WinError_2_Perl_rc	\
568  (	init_PMWIN_entries(),	\
569 	Perl_rc=(*PMWIN_entries.GetLastError)(perl_hab_GET()) )
570 
571 /* Calling WinGetLastError() resets the error code of the current thread.
572    Since for some Win* API return value 0 is normal, one needs to call
573    this before calling them to distinguish normal and anomalous returns.  */
574 /*#define ResetWinError()	WinError_2_Perl_rc */
575 
576 /* At this moment init_PMWIN_entries() should be a nop (WinInitialize should
577    be called already, right?), so we do not risk stepping over our own error */
578 #define FillWinError (	WinError_2_Perl_rc,				\
579 			Perl_severity = ERRORIDSEV(Perl_rc),		\
580 			Perl_rc = ERRORIDERROR(Perl_rc),		\
581 			os2_setsyserrno(Perl_rc))
582 
583 #define STATIC_FILE_LENGTH 127
584 
585     /* This should match loadOrdinals[] array in os2.c */
586 enum entries_ordinals {
587     ORD_DosQueryExtLibpath,
588     ORD_DosSetExtLibpath,
589     ORD_DosVerifyPidTid,
590     ORD_SETHOSTENT,
591     ORD_SETNETENT,
592     ORD_SETPROTOENT,
593     ORD_SETSERVENT,
594     ORD_GETHOSTENT,
595     ORD_GETNETENT,
596     ORD_GETPROTOENT,
597     ORD_GETSERVENT,
598     ORD_ENDHOSTENT,
599     ORD_ENDNETENT,
600     ORD_ENDPROTOENT,
601     ORD_ENDSERVENT,
602     ORD_WinInitialize,
603     ORD_WinCreateMsgQueue,
604     ORD_WinDestroyMsgQueue,
605     ORD_WinPeekMsg,
606     ORD_WinGetMsg,
607     ORD_WinDispatchMsg,
608     ORD_WinGetLastError,
609     ORD_WinCancelShutdown,
610     ORD_RexxStart,
611     ORD_RexxVariablePool,
612     ORD_RexxRegisterFunctionExe,
613     ORD_RexxDeregisterFunction,
614     ORD_DOSSMSETTITLE,
615     ORD_PRF32QUERYPROFILESIZE,
616     ORD_PRF32OPENPROFILE,
617     ORD_PRF32CLOSEPROFILE,
618     ORD_PRF32QUERYPROFILE,
619     ORD_PRF32RESET,
620     ORD_PRF32QUERYPROFILEDATA,
621     ORD_PRF32WRITEPROFILEDATA,
622 
623     ORD_WinChangeSwitchEntry,
624     ORD_WinQuerySwitchEntry,
625     ORD_WinQuerySwitchHandle,
626     ORD_WinQuerySwitchList,
627     ORD_WinSwitchToProgram,
628     ORD_WinBeginEnumWindows,
629     ORD_WinEndEnumWindows,
630     ORD_WinEnumDlgItem,
631     ORD_WinGetNextWindow,
632     ORD_WinIsChild,
633     ORD_WinQueryActiveWindow,
634     ORD_WinQueryClassName,
635     ORD_WinQueryFocus,
636     ORD_WinQueryWindow,
637     ORD_WinQueryWindowPos,
638     ORD_WinQueryWindowProcess,
639     ORD_WinQueryWindowText,
640     ORD_WinQueryWindowTextLength,
641     ORD_WinSetFocus,
642     ORD_WinSetWindowPos,
643     ORD_WinSetWindowText,
644     ORD_WinShowWindow,
645     ORD_WinIsWindow,
646     ORD_WinWindowFromId,
647     ORD_WinWindowFromPoint,
648     ORD_WinPostMsg,
649     ORD_WinEnableWindow,
650     ORD_WinEnableWindowUpdate,
651     ORD_WinIsWindowEnabled,
652     ORD_WinIsWindowShowing,
653     ORD_WinIsWindowVisible,
654     ORD_WinQueryWindowPtr,
655     ORD_WinQueryWindowULong,
656     ORD_WinQueryWindowUShort,
657     ORD_WinSetWindowBits,
658     ORD_WinSetWindowPtr,
659     ORD_WinSetWindowULong,
660     ORD_WinSetWindowUShort,
661     ORD_WinQueryDesktopWindow,
662     ORD_WinSetActiveWindow,
663     ORD_DosQueryModFromEIP,
664     ORD_Dos32QueryHeaderInfo,
665     ORD_DosTmrQueryFreq,
666     ORD_DosTmrQueryTime,
667     ORD_WinQueryActiveDesktopPathname,
668     ORD_WinInvalidateRect,
669     ORD_WinCreateFrameControls,
670     ORD_WinQueryClipbrdFmtInfo,
671     ORD_WinQueryClipbrdOwner,
672     ORD_WinQueryClipbrdViewer,
673     ORD_WinQueryClipbrdData,
674     ORD_WinOpenClipbrd,
675     ORD_WinCloseClipbrd,
676     ORD_WinSetClipbrdData,
677     ORD_WinSetClipbrdOwner,
678     ORD_WinSetClipbrdViewer,
679     ORD_WinEnumClipbrdFmts,
680     ORD_WinEmptyClipbrd,
681     ORD_WinAddAtom,
682     ORD_WinFindAtom,
683     ORD_WinDeleteAtom,
684     ORD_WinQueryAtomUsage,
685     ORD_WinQueryAtomName,
686     ORD_WinQueryAtomLength,
687     ORD_WinQuerySystemAtomTable,
688     ORD_WinCreateAtomTable,
689     ORD_WinDestroyAtomTable,
690     ORD_WinOpenWindowDC,
691     ORD_DevOpenDC,
692     ORD_DevQueryCaps,
693     ORD_DevCloseDC,
694     ORD_WinMessageBox,
695     ORD_WinMessageBox2,
696     ORD_WinQuerySysValue,
697     ORD_WinSetSysValue,
698     ORD_WinAlarm,
699     ORD_WinFlashWindow,
700     ORD_WinLoadPointer,
701     ORD_WinQuerySysPointer,
702     ORD_DosReplaceModule,
703     ORD_DosPerfSysCall,
704     ORD_RexxRegisterSubcomExe,
705     ORD_NENTRIES
706 };
707 
708 /* RET: return type, AT: argument signature in (), ARGS: should be in () */
709 #define CallORD(ret,o,at,args)	(((ret (*)at) loadByOrdinal(o, 1))args)
710 #define DeclFuncByORD(ret,name,o,at,args)	\
711   ret name at { return CallORD(ret,o,at,args); }
712 #define DeclVoidFuncByORD(name,o,at,args)	\
713   void name at { CallORD(void,o,at,args); }
714 
715 /* This function returns error code on error, and saves the error info in $^E and Perl_rc */
716 #define DeclOSFuncByORD_native(ret,name,o,at,args)	\
717   ret name at { unsigned long rc; return CheckOSError(CallORD(ret,o,at,args)); }
718 
719 /* These functions return false on error, and save the error info in $^E and Perl_rc */
720 #define DeclOSFuncByORD(ret,name,o,at,args)	\
721   ret name at { unsigned long rc; return !CheckOSError(CallORD(ret,o,at,args)); }
722 #define DeclWinFuncByORD(ret,name,o,at,args)	\
723   ret name at { return SaveWinError(CallORD(ret,o,at,args)); }
724 
725 #define AssignFuncPByORD(p,o)	(*(Perl_PFN*)&(p) = (loadByOrdinal(o, 1)))
726 
727 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
728 #define DeclWinFuncByORD_CACHE(ret,name,o,at,args)	\
729 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,1)
730 
731 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
732 #define DeclWinFuncByORD_CACHE_resetError(ret,name,o,at,args)	\
733 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,1)
734 
735 /* Two flavors below do the same as above, but do not auto-croak */
736 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
737 #define DeclWinFuncByORD_CACHE_survive(ret,name,o,at,args)	\
738 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,0)
739 
740 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
741 #define DeclWinFuncByORD_CACHE_resetError_survive(ret,name,o,at,args)	\
742 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,0)
743 
744 #define DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,r,die)	\
745   static ret (*CAT2(p__Win,name)) at;				\
746   static ret name at {						\
747 	if (!CAT2(p__Win,name))					\
748 	    AssignFuncPByORD(CAT2(p__Win,name), o);		\
749 	if (r) ResetWinError();					\
750 	return SaveCroakWinError(CAT2(p__Win,name) args, die, "[Win]", STRINGIFY(name)); }
751 
752 /* These flavors additionally assume ORD is name with prepended ORD_Win  */
753 #define DeclWinFunc_CACHE(ret,name,at,args)	\
754 	DeclWinFuncByORD_CACHE(ret,name,CAT2(ORD_Win,name),at,args)
755 #define DeclWinFunc_CACHE_resetError(ret,name,at,args)	\
756 	DeclWinFuncByORD_CACHE_resetError(ret,name,CAT2(ORD_Win,name),at,args)
757 #define DeclWinFunc_CACHE_survive(ret,name,at,args)	\
758 	DeclWinFuncByORD_CACHE_survive(ret,name,CAT2(ORD_Win,name),at,args)
759 #define DeclWinFunc_CACHE_resetError_survive(ret,name,at,args)	\
760 	DeclWinFuncByORD_CACHE_resetError_survive(ret,name,CAT2(ORD_Win,name),at,args)
761 
762 void ResetWinError(void);
763 void CroakWinError(int die, char *name);
764 
765 enum Perlos2_handler {
766   Perlos2_handler_mangle = 1,
767   Perlos2_handler_perl_sh,
768   Perlos2_handler_perllib_from,
769   Perlos2_handler_perllib_to,
770 };
771 enum dir_subst_e {
772     dir_subst_fatal = 1,
773     dir_subst_pathlike = 2
774 };
775 
776 extern int Perl_OS2_handler_install(void *handler, enum Perlos2_handler how);
777 extern char *dir_subst(char *s, unsigned int l, char *b, unsigned int bl, enum dir_subst_e flags, char *msg);
778 extern unsigned long fill_extLibpath(int type, char *pre, char *post, int replace, char *msg);
779 
780 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
781 char *perllib_mangle(char *, unsigned int);
782 
783 #define fork	fork_with_resources
784 
785 #ifdef EINTR				/* x2p do not include perl.h!!! */
786 static __inline__ int
787 my_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
788 {
789   if (nfds == 0 && timeout && (_emx_env & 0x200)) {
790     if (async_mssleep(1000 * timeout->tv_sec + (timeout->tv_usec + 500)/1000, 500))
791       return 0;
792     errno = EINTR;
793     return -1;
794   }
795   return select(nfds, readfds, writefds, exceptfds, timeout);
796 }
797 
798 #define select		my_select
799 #endif
800 
801 
802 typedef int (*Perl_PFN)();
803 Perl_PFN loadByOrdinal(enum entries_ordinals ord, int fail);
804 extern const Perl_PFN * const pExtFCN;
805 char *os2error(int rc);
806 int os2_stat(const char *name, struct stat *st);
807 int fork_with_resources();
808 int setpriority(int which, int pid, int val);
809 int getpriority(int which /* ignored */, int pid);
810 
811 void croak_with_os2error(char *s) __attribute__((noreturn));
812 
813 /* void return value */
814 #define os2cp_croak(rc,msg)	(CheckOSError(rc) && (croak_with_os2error(msg),0))
815 
816 /* propagates rc */
817 #define os2win_croak(rc,msg)						\
818 	SaveCroakWinError((expr), 1 /* die */, /* no prefix */, (msg))
819 
820 /* propagates rc; use with functions which may return 0 on success */
821 #define os2win_croak_0OK(rc,msg)					\
822 	SaveCroakWinError((ResetWinError, (expr)),			\
823 			  1 /* die */, /* no prefix */, (msg))
824 
825 #ifdef PERL_CORE
826 int os2_do_spawn(pTHX_ char *cmd);
827 int os2_do_aspawn(pTHX_ SV *really, SV **vmark, SV **vsp);
828 #endif
829 
830 #ifndef LOG_DAEMON
831 
832 /* Replacement for syslog.h */
833 #  define	LOG_EMERG	0	/* system is unusable */
834 #  define	LOG_ALERT	1	/* action must be taken immediately */
835 #  define	LOG_CRIT	2	/* critical conditions */
836 #  define	LOG_ERR	3	/* error conditions */
837 #  define	LOG_WARNING	4	/* warning conditions */
838 #  define	LOG_NOTICE	5	/* normal but significant condition */
839 #  define	LOG_INFO	6	/* informational */
840 #  define	LOG_DEBUG	7	/* debug-level messages */
841 
842 #  define	LOG_PRIMASK	0x007	/* mask to extract priority part (internal) */
843 				/* extract priority */
844 #  define	LOG_PRI(p)	((p) & LOG_PRIMASK)
845 #  define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
846 
847 /* facility codes */
848 #  define	LOG_KERN	(0<<3)	/* kernel messages */
849 #  define	LOG_USER	(1<<3)	/* random user-level messages */
850 #  define	LOG_MAIL	(2<<3)	/* mail system */
851 #  define	LOG_DAEMON	(3<<3)	/* system daemons */
852 #  define	LOG_AUTH	(4<<3)	/* security/authorization messages */
853 #  define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
854 #  define	LOG_LPR	(6<<3)	/* line printer subsystem */
855 #  define	LOG_NEWS	(7<<3)	/* network news subsystem */
856 #  define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
857 #  define	LOG_CRON	(15<<3)	/* clock daemon */
858 	/* other codes through 15 reserved for system use */
859 #  define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
860 #  define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
861 #  define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
862 #  define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
863 #  define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
864 #  define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
865 #  define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
866 #  define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
867 
868 #  define	LOG_NFACILITIES	24	/* current number of facilities */
869 #  define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
870 				/* facility of pri */
871 #  define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
872 
873 /*
874  * arguments to setlogmask.
875  */
876 #  define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
877 #  define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
878 
879 /*
880  * Option flags for openlog.
881  *
882  * LOG_ODELAY no longer does anything.
883  * LOG_NDELAY is the inverse of what it used to be.
884  */
885 #  define	LOG_PID		0x01	/* log the pid with each message */
886 #  define	LOG_CONS	0x02	/* log on the console if errors in sending */
887 #  define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
888 #  define	LOG_NDELAY	0x08	/* don't delay open */
889 #  define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
890 #  define	LOG_PERROR	0x20	/* log to stderr as well */
891 
892 #endif
893 
894 /* ************************************************* */
895 #ifndef MAKEPLINFOSEG
896 
897 /* From $DDK\base32\rel\os2c\include\base\os2\16bit\infoseg.h + typedefs */
898 
899 /*
900  * The structure below defines the content and organization of the system
901  * information segment (InfoSeg).  The actual table is statically defined in
902  * SDATA.ASM.  Ring 0, read/write access is obtained by the clock device
903  * driver using the DevHlp GetDOSVar function.  (GetDOSVar returns a ring 0,
904  * read-only selector to all other requestors.)
905  *
906  * In order to prevent an errant process from destroying the infoseg, two
907  * identical global infosegs are maintained.  One is in the tiled shared
908  * arena and is accessible in user mode (and therefore can potentially be
909  * overwritten from ring 2), and the other is in the system arena and is
910  * accessible only in kernel mode.  All kernel code (except the clock driver)
911  * is responsible for updating BOTH copies of the infoseg.  The copy kept
912  * in the system arena is addressable as DOSGROUP:SISData, and the copy
913  * in the shared arena is addressable via a system arena alias.  16:16 and
914  * 0:32 pointers to the alias are stored in _Sis2.
915  */
916 
917 typedef struct InfoSegGDT {
918 
919 /* Time (offset 0x00) */
920 
921 unsigned long   SIS_BigTime;    /* Time from 1-1-1970 in seconds */
922 unsigned long   SIS_MsCount;    /* Freerunning milliseconds counter */
923 unsigned char   SIS_HrsTime;    /* Hours */
924 unsigned char   SIS_MinTime;    /* Minutes */
925 unsigned char   SIS_SecTime;    /* Seconds */
926 unsigned char   SIS_HunTime;    /* Hundredths of seconds */
927 unsigned short  SIS_TimeZone;   /* Timezone in min from GMT (Set to EST) */
928 unsigned short  SIS_ClkIntrvl;  /* Timer interval (units=0.0001 secs) */
929 
930 /* Date (offset 0x10) */
931 
932 unsigned char   SIS_DayDate;    /* Day-of-month (1-31) */
933 unsigned char   SIS_MonDate;    /* Month (1-12) */
934 unsigned short  SIS_YrsDate;    /* Year (>= 1980) */
935 unsigned char   SIS_DOWDate;    /* Day-of-week (1-1-80 = Tues = 3) */
936 
937 /* Version (offset 0x15) */
938 
939 unsigned char   SIS_VerMajor;   /* Major version number */
940 unsigned char   SIS_VerMinor;   /* Minor version number */
941 unsigned char   SIS_RevLettr;   /* Revision letter */
942 
943 /* System Status (offset 0x18) */
944 
945 unsigned char   SIS_CurScrnGrp; /* Fgnd screen group # */
946 unsigned char   SIS_MaxScrnGrp; /* Maximum number of screen groups */
947 unsigned char   SIS_HugeShfCnt; /* Shift count for huge segments */
948 unsigned char   SIS_ProtMdOnly; /* Protect-mode-only indicator */
949 unsigned short  SIS_FgndPID;    /* Foreground process ID */
950 
951 /* Scheduler Parms (offset 0x1E) */
952 
953 unsigned char   SIS_Dynamic;    /* Dynamic variation flag (1=enabled) */
954 unsigned char   SIS_MaxWait;    /* Maxwait (seconds) */
955 unsigned short  SIS_MinSlice;   /* Minimum timeslice (milliseconds) */
956 unsigned short  SIS_MaxSlice;   /* Maximum timeslice (milliseconds) */
957 
958 /* Boot Drive (offset 0x24) */
959 
960 unsigned short  SIS_BootDrv;    /* Drive from which system was booted */
961 
962 /* RAS Major Event Code Table (offset 0x26) */
963 
964 unsigned char   SIS_mec_table[32]; /* Table of RAS Major Event Codes (MECs) */
965 
966 /* Additional Session Data (offset 0x46) */
967 
968 unsigned char   SIS_MaxVioWinSG;  /* Max. no. of VIO windowable SG's */
969 unsigned char   SIS_MaxPresMgrSG; /* Max. no. of Presentation Manager SG's */
970 
971 /* Error logging Information (offset 0x48) */
972 
973 unsigned short  SIS_SysLog;     /* Error Logging Status */
974 
975 /* Additional RAS Information (offset 0x4A) */
976 
977 unsigned short  SIS_MMIOBase;   /* Memory mapped I/O selector */
978 unsigned long   SIS_MMIOAddr;   /* Memory mapped I/O address  */
979 
980 /* Additional 2.0 Data (offset 0x50) */
981 
982 unsigned char   SIS_MaxVDMs;      /* Max. no. of Virtual DOS machines */
983 unsigned char   SIS_Reserved;
984 
985 unsigned char   SIS_perf_mec_table[32]; /* varga 6/5/97 Table of Performance Major Event Codes (MECS) varga*/
986 } GINFOSEG, *PGINFOSEG;
987 
988 #define SIS_LEN         sizeof(struct InfoSegGDT)
989 
990 /*
991  *      InfoSeg LDT Data Segment Structure
992  *
993  * The structure below defines the content and organization of the system
994  * information in a special per-process segment to be accessible by the
995  * process through the LDT (read-only).
996  *
997  * As in the global infoseg, two copies of the current processes local
998  * infoseg exist, one accessible in both user and kernel mode, the other
999  * only in kernel mode.  Kernel code is responsible for updating BOTH copies.
1000  * Pointers to the local infoseg copy are stored in _Lis2.
1001  *
1002  * Note that only the currently running process has an extra copy of the
1003  * local infoseg.  The copy is done at context switch time.
1004  */
1005 
1006 typedef struct InfoSegLDT {
1007 unsigned short  LIS_CurProcID;  /* Current process ID */
1008 unsigned short  LIS_ParProcID;  /* Process ID of parent */
1009 unsigned short  LIS_CurThrdPri; /* Current thread priority */
1010 unsigned short  LIS_CurThrdID;  /* Current thread ID */
1011 unsigned short  LIS_CurScrnGrp; /* Screengroup */
1012 unsigned char   LIS_ProcStatus; /* Process status bits */
1013 unsigned char   LIS_fillbyte1;  /* filler byte */
1014 unsigned short  LIS_Fgnd;       /* Current process is in foreground */
1015 unsigned char   LIS_ProcType;   /* Current process type */
1016 unsigned char   LIS_fillbyte2;  /* filler byte */
1017 
1018 unsigned short  LIS_AX;         /* @@V1 Environment selector */
1019 unsigned short  LIS_BX;         /* @@V1 Offset of command line start */
1020 unsigned short  LIS_CX;         /* @@V1 Length of Data Segment */
1021 unsigned short  LIS_DX;         /* @@V1 STACKSIZE from the .EXE file */
1022 unsigned short  LIS_SI;         /* @@V1 HEAPSIZE  from the .EXE file */
1023 unsigned short  LIS_DI;         /* @@V1 Module handle of the application */
1024 unsigned short  LIS_DS;         /* @@V1 Data Segment Handle of application */
1025 
1026 unsigned short  LIS_PackSel;    /* First tiled selector in this EXE */
1027 unsigned short  LIS_PackShrSel; /* First selector above shared arena */
1028 unsigned short  LIS_PackPckSel; /* First selector above packed arena */
1029 /* #ifdef SMP */
1030 unsigned long   LIS_pTIB;       /* Pointer to TIB */
1031 unsigned long   LIS_pPIB;       /* Pointer to PIB */
1032 /* #endif */
1033 } LINFOSEG, *PLINFOSEG;
1034 
1035 #define LIS_LEN         sizeof(struct InfoSegLDT)
1036 
1037 
1038 /*
1039  *      Process Type codes
1040  *
1041  *      These are the definitions for the codes stored
1042  *      in the LIS_ProcType field in the local infoseg.
1043  */
1044 
1045 #define         LIS_PT_FULLSCRN 0       /* Full screen app. */
1046 #define         LIS_PT_REALMODE 1       /* Real mode process */
1047 #define         LIS_PT_VIOWIN   2       /* VIO windowable app. */
1048 #define         LIS_PT_PRESMGR  3       /* Presentation Manager app. */
1049 #define         LIS_PT_DETACHED 4       /* Detached app. */
1050 
1051 
1052 /*
1053  *
1054  *      Process Status Bit Definitions
1055  *
1056  */
1057 
1058 #define         LIS_PS_EXITLIST 0x01    /* In exitlist handler */
1059 
1060 
1061 /*
1062  *      Flags equates for the Global Info Segment
1063  *      SIS_SysLog  WORD in Global Info Segment
1064  *
1065  *        xxxx xxxx xxxx xxx0         Error Logging Disabled
1066  *        xxxx xxxx xxxx xxx1         Error Logging Enabled
1067  *
1068  *        xxxx xxxx xxxx xx0x         Error Logging not available
1069  *        xxxx xxxx xxxx xx1x         Error Logging available
1070  */
1071 
1072 #define LF_LOGENABLE    0x0001          /* Logging enabled */
1073 #define LF_LOGAVAILABLE 0x0002          /* Logging available */
1074 
1075 #define MAKEPGINFOSEG(sel)  ((PGINFOSEG)MAKEP(sel, 0))
1076 #define MAKEPLINFOSEG(sel)  ((PLINFOSEG)MAKEP(sel, 0))
1077 
1078 #endif	/* ndef(MAKEPLINFOSEG) */
1079 
1080 /* ************************************************************ */
1081 #define Dos32QuerySysState DosQuerySysState
1082 #define QuerySysState(flags, pid, buf, bufsz) \
1083 	Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
1084 
1085 #define QSS_PROCESS	1
1086 #define QSS_MODULE	4
1087 #define QSS_SEMAPHORES	2
1088 #define QSS_FILE	8		/* Buggy until fixpack18 */
1089 #define QSS_SHARED	16
1090 
1091 #ifdef _OS2_H
1092 
1093 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
1094 			ULONG _res_,PVOID buf,ULONG bufsz);
1095 typedef struct {
1096 	ULONG	threadcnt;
1097 	ULONG	proccnt;
1098 	ULONG	modulecnt;
1099 } QGLOBAL, *PQGLOBAL;
1100 
1101 typedef struct {
1102 	ULONG	rectype;
1103 	USHORT	threadid;
1104 	USHORT	slotid;
1105 	ULONG	sleepid;
1106 	ULONG	priority;
1107 	ULONG	systime;
1108 	ULONG	usertime;
1109 	UCHAR	state;
1110 	UCHAR	_reserved1_;	/* padding to ULONG */
1111 	USHORT	_reserved2_;	/* padding to ULONG */
1112 } QTHREAD, *PQTHREAD;
1113 
1114 typedef struct {
1115 	USHORT	sfn;
1116 	USHORT	refcnt;
1117 	USHORT	flags1;
1118 	USHORT	flags2;
1119 	USHORT	accmode1;
1120 	USHORT	accmode2;
1121 	ULONG	filesize;
1122 	USHORT  volhnd;
1123 	USHORT	attrib;
1124 	USHORT	_reserved_;
1125 } QFDS, *PQFDS;
1126 
1127 typedef struct qfile {
1128 	ULONG		rectype;
1129 	struct qfile	*next;
1130 	ULONG		opencnt;
1131 	PQFDS		filedata;
1132 	char		name[1];
1133 } QFILE, *PQFILE;
1134 
1135 typedef struct {
1136 	ULONG	rectype;
1137 	PQTHREAD threads;
1138 	USHORT	pid;
1139 	USHORT	ppid;
1140 	ULONG	type;
1141 	ULONG	state;
1142 	ULONG	sessid;
1143 	USHORT	hndmod;
1144 	USHORT	threadcnt;
1145 	ULONG	privsem32cnt;
1146 	ULONG	_reserved2_;
1147 	USHORT	sem16cnt;
1148 	USHORT	dllcnt;
1149 	USHORT	shrmemcnt;
1150 	USHORT	fdscnt;
1151 	PUSHORT	sem16s;
1152 	PUSHORT	dlls;
1153 	PUSHORT	shrmems;
1154 	PUSHORT	fds;
1155 } QPROCESS, *PQPROCESS;
1156 
1157 typedef struct sema {
1158 	struct sema *next;
1159 	USHORT	refcnt;
1160 	UCHAR	sysflags;
1161 	UCHAR	sysproccnt;
1162 	ULONG	_reserved1_;
1163 	USHORT	index;
1164 	CHAR	name[1];
1165 } QSEMA, *PQSEMA;
1166 
1167 typedef struct {
1168 	ULONG	rectype;
1169 	ULONG	_reserved1_;
1170 	USHORT	_reserved2_;
1171 	USHORT	syssemidx;
1172 	ULONG	index;
1173 	QSEMA	sema;
1174 } QSEMSTRUC, *PQSEMSTRUC;
1175 
1176 typedef struct {
1177 	USHORT	pid;
1178 	USHORT	opencnt;
1179 } QSEMOWNER32, *PQSEMOWNER32;
1180 
1181 typedef struct {
1182 	PQSEMOWNER32	own;
1183 	PCHAR		name;
1184 	PVOID		semrecs; /* array of associated sema's */
1185 	USHORT		flags;
1186 	USHORT		semreccnt;
1187 	USHORT		waitcnt;
1188 	USHORT		_reserved_;	/* padding to ULONG */
1189 } QSEMSMUX32, *PQSEMSMUX32;
1190 
1191 typedef struct {
1192 	PQSEMOWNER32	own;
1193 	PCHAR		name;
1194 	PQSEMSMUX32	mux;
1195 	USHORT		flags;
1196 	USHORT		postcnt;
1197 } QSEMEV32, *PQSEMEV32;
1198 
1199 typedef struct {
1200 	PQSEMOWNER32	own;
1201 	PCHAR		name;
1202 	PQSEMSMUX32	mux;
1203 	USHORT		flags;
1204 	USHORT		refcnt;
1205 	USHORT		thrdnum;
1206 	USHORT		_reserved_;	/* padding to ULONG */
1207 } QSEMMUX32, *PQSEMMUX32;
1208 
1209 typedef struct semstr32 {
1210 	struct semstr *next;
1211 	QSEMEV32 evsem;
1212 	QSEMMUX32  muxsem;
1213 	QSEMSMUX32 smuxsem;
1214 } QSEMSTRUC32, *PQSEMSTRUC32;
1215 
1216 typedef struct shrmem {
1217 	struct shrmem *next;
1218 	USHORT	hndshr;
1219 	USHORT	selshr;
1220 	USHORT	refcnt;
1221 	CHAR	name[1];
1222 } QSHRMEM, *PQSHRMEM;
1223 
1224 typedef struct module {
1225 	struct module *next;
1226 	USHORT	hndmod;
1227 	USHORT	type;
1228 	ULONG	refcnt;
1229 	ULONG	segcnt;
1230 	PVOID	_reserved_;
1231 	PCHAR	name;
1232 	USHORT	modref[1];
1233 } QMODULE, *PQMODULE;
1234 
1235 typedef struct {
1236 	PQGLOBAL	gbldata;
1237 	PQPROCESS	procdata;
1238 	PQSEMSTRUC	semadata;
1239 	PQSEMSTRUC32	sem32data;
1240 	PQSHRMEM	shrmemdata;
1241 	PQMODULE	moddata;
1242 	PVOID		_reserved2_;
1243 	PQFILE		filedata;
1244 } QTOPLEVEL, *PQTOPLEVEL;
1245 /* ************************************************************ */
1246 
1247 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
1248 
1249 #endif /* _OS2_H */
1250 
1251