xref: /openbsd-src/gnu/usr.bin/perl/os2/os2ish.h (revision e2a1b4748ac00cfe1e64a346f850b3c670166aef)
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 #define MAX_SLEEP	(((1<30) / (1000/4))-1)	/* 1<32 msec */
324 
325 static __inline__ unsigned
326 my_sleep(unsigned sec)
327 {
328   int remain;
329   while (sec > MAX_SLEEP) {
330     sec -= MAX_SLEEP;
331     remain = sleep(MAX_SLEEP);
332     if (remain)
333       return remain + sec;
334   }
335   return sleep(sec);
336 }
337 
338 #define sleep		my_sleep
339 
340 #ifndef INCL_DOS
341 unsigned long DosSleep(unsigned long);
342 unsigned long DosAllocThreadLocalMemory (unsigned long cb, unsigned long **p);
343 #endif
344 
345 struct group *getgrent (void);
346 void setgrent (void);
347 void endgrent (void);
348 
349 struct passwd *my_getpwuid (uid_t);
350 struct passwd *my_getpwnam (__const__ char *);
351 
352 #undef L_tmpnam
353 #define L_tmpnam MAXPATHLEN
354 
355 #define tmpfile	my_tmpfile
356 #define tmpnam	my_tmpnam
357 #define isatty	_isterm
358 #define rand	random
359 #define srand	srandom
360 #define strtoll	_strtoll
361 #define strtoull	_strtoull
362 
363 #define usleep(usec)	((void)_sleep2(((usec)+500)/1000))
364 
365 
366 /*
367  * fwrite1() should be a routine with the same calling sequence as fwrite(),
368  * but which outputs all of the bytes requested as a single stream (unlike
369  * fwrite() itself, which on some systems outputs several distinct records
370  * if the number_of_items parameter is >1).
371  */
372 #define fwrite1 fwrite
373 
374 #define my_getenv(var) getenv(var)
375 #define flock	my_flock
376 #define rmdir	my_rmdir
377 #define mkdir	my_mkdir
378 #define setpwent	my_setpwent
379 #define getpwent	my_getpwent
380 #define endpwent	my_endpwent
381 #define getpwuid	my_getpwuid
382 #define getpwnam	my_getpwnam
383 
384 void *emx_calloc (size_t, size_t);
385 void emx_free (void *);
386 void *emx_malloc (size_t);
387 void *emx_realloc (void *, size_t);
388 
389 /*****************************************************************************/
390 
391 #include <stdlib.h>	/* before the following definitions */
392 #include <unistd.h>	/* before the following definitions */
393 #include <fcntl.h>
394 #include <sys/stat.h>
395 
396 #define chdir	_chdir2
397 #define getcwd	_getcwd2
398 
399 /* This guy is needed for quick stdstd  */
400 
401 #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE)
402 	/* Perl uses ungetc only with successful return */
403 #  define ungetc(c,fp) \
404 	(FILE_ptr(fp) > FILE_base(fp) && c == (int)*(FILE_ptr(fp) - 1) \
405 	 ? (--FILE_ptr(fp), ++FILE_cnt(fp), (int)c) : ungetc(c,fp))
406 #endif
407 
408 #define PERLIO_IS_BINMODE_FD(fd) _PERLIO_IS_BINMODE_FD(fd)
409 
410 #ifdef __GNUG__
411 # define HAS_BOOL
412 #endif
413 #ifndef HAS_BOOL
414 # define bool char
415 # define HAS_BOOL 1
416 #endif
417 
418 #include <emx/io.h> /* for _fd_flags() prototype */
419 
420 static inline bool
421 _PERLIO_IS_BINMODE_FD(int fd)
422 {
423     int *pflags = _fd_flags(fd);
424 
425     return pflags && (*pflags) & O_BINARY;
426 }
427 
428 /* ctermid is missing from emx0.9d */
429 char *ctermid(char *s);
430 
431 #define OP_BINARY O_BINARY
432 
433 #define OS2_STAT_HACK 1
434 #if OS2_STAT_HACK
435 
436 #define Stat(fname,bufptr) os2_stat((fname),(bufptr))
437 #define Fstat(fd,bufptr)   os2_fstat((fd),(bufptr))
438 #define Fflush(fp)         fflush(fp)
439 #define Mkdir(path,mode)   mkdir((path),(mode))
440 #define chmod(path,mode)   os2_chmod((path),(mode))
441 
442 #undef S_IFBLK
443 #undef S_ISBLK
444 #define S_IFBLK		0120000		/* Hacks to make things compile... */
445 #define S_ISBLK(mode)	(((mode) & S_IFMT) == S_IFBLK)
446 
447 int os2_chmod(const char *name, int pmode);
448 int os2_fstat(int handle, struct stat *st);
449 
450 #else
451 
452 #define Stat(fname,bufptr) stat((fname),(bufptr))
453 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
454 #define Fflush(fp)         fflush(fp)
455 #define Mkdir(path,mode)   mkdir((path),(mode))
456 
457 #endif
458 
459 /* With SD386 it is impossible to debug register variables. */
460 #if !defined(PERL_IS_AOUT) && defined(DEBUGGING) && !defined(register)
461 #  define register
462 #endif
463 
464 /* Our private OS/2 specific data. */
465 
466 typedef struct OS2_Perl_data {
467   unsigned long flags;
468   unsigned long phab;
469   int (*xs_init)();
470   unsigned long rc;
471   unsigned long severity;
472   unsigned long	phmq;			/* Handle to message queue */
473   unsigned long	phmq_refcnt;
474   unsigned long	phmq_servers;
475   unsigned long	initial_mode;		/* VIO etc. mode we were started in */
476   unsigned long	morph_refcnt;
477 } OS2_Perl_data_t;
478 
479 extern OS2_Perl_data_t OS2_Perl_data;
480 
481 #define Perl_hab		((HAB)OS2_Perl_data.phab)
482 #define Perl_rc			(OS2_Perl_data.rc)
483 #define Perl_severity		(OS2_Perl_data.severity)
484 #define errno_isOS2		12345678
485 #define errno_isOS2_set		12345679
486 #define OS2_Perl_flags	(OS2_Perl_data.flags)
487 #define Perl_HAB_set_f	1
488 #define Perl_HAB_set	(OS2_Perl_flags & Perl_HAB_set_f)
489 #define set_Perl_HAB_f	(OS2_Perl_flags |= Perl_HAB_set_f)
490 #define set_Perl_HAB(h) (set_Perl_HAB_f, Perl_hab = h)
491 #define _obtain_Perl_HAB (init_PMWIN_entries(),				\
492 			  Perl_hab = (*PMWIN_entries.Initialize)(0),	\
493 			  set_Perl_HAB_f, Perl_hab)
494 #define perl_hab_GET()	(Perl_HAB_set ? Perl_hab : _obtain_Perl_HAB)
495 #define Acquire_hab()	perl_hab_GET()
496 #define Perl_hmq	((HMQ)OS2_Perl_data.phmq)
497 #define Perl_hmq_refcnt	(OS2_Perl_data.phmq_refcnt)
498 #define Perl_hmq_servers	(OS2_Perl_data.phmq_servers)
499 #define Perl_os2_initial_mode	(OS2_Perl_data.initial_mode)
500 #define Perl_morph_refcnt	(OS2_Perl_data.morph_refcnt)
501 
502 unsigned long Perl_hab_GET();
503 unsigned long Perl_Register_MQ(int serve);
504 void	Perl_Deregister_MQ(int serve);
505 int	Perl_Serve_Messages(int force);
506 /* Cannot prototype with I32 at this point. */
507 int	Perl_Process_Messages(int force, long *cntp);
508 char	*os2_execname(pTHX);
509 
510 struct _QMSG;
511 struct PMWIN_entries_t {
512     unsigned long (*Initialize)( unsigned long fsOptions );
513     unsigned long (*CreateMsgQueue)(unsigned long hab, long cmsg);
514     int (*DestroyMsgQueue)(unsigned long hmq);
515     int (*PeekMsg)(unsigned long hab, struct _QMSG *pqmsg,
516 		   unsigned long hwndFilter, unsigned long msgFilterFirst,
517 		   unsigned long msgFilterLast, unsigned long fl);
518     int (*GetMsg)(unsigned long hab, struct _QMSG *pqmsg,
519 		  unsigned long hwndFilter, unsigned long msgFilterFirst,
520 		  unsigned long msgFilterLast);
521     void * (*DispatchMsg)(unsigned long hab, struct _QMSG *pqmsg);
522     unsigned long (*GetLastError)(unsigned long hab);
523     unsigned long (*CancelShutdown)(unsigned long hmq, unsigned long fCancelAlways);
524 };
525 extern struct PMWIN_entries_t PMWIN_entries;
526 void init_PMWIN_entries(void);
527 
528 #define perl_hmq_GET(serve)	Perl_Register_MQ(serve)
529 #define perl_hmq_UNSET(serve)	Perl_Deregister_MQ(serve)
530 
531 #define OS2_XS_init() (*OS2_Perl_data.xs_init)(aTHX)
532 
533 #if _EMX_CRT_REV_ >= 60
534 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2_set, \
535 				_setsyserrno(rc))
536 #else
537 # define os2_setsyserrno(rc)	(Perl_rc = rc, errno = errno_isOS2)
538 #endif
539 
540 /* The expressions below return true on error. */
541 /* INCL_DOSERRORS needed. rc should be declared outside. */
542 #define CheckOSError(expr) ((rc = (expr)) ? (FillOSError(rc), rc) : 0)
543 /* INCL_WINERRORS needed. */
544 #define CheckWinError(expr) ((expr) ? 0: (FillWinError, 1))
545 
546 /* This form propagates the return value, setting $^E if needed */
547 #define SaveWinError(expr) ((expr) ? : (FillWinError, 0))
548 
549 /* This form propagates the return value, dieing with $^E if needed */
550 #define SaveCroakWinError(expr,die,name1,name2)		\
551   ((expr) ? : (CroakWinError(die,name1 name2), 0))
552 
553 #define FillOSError(rc) (os2_setsyserrno(rc),				\
554 			Perl_severity = SEVERITY_ERROR)
555 
556 #define WinError_2_Perl_rc	\
557  (	init_PMWIN_entries(),	\
558 	Perl_rc=(*PMWIN_entries.GetLastError)(perl_hab_GET()) )
559 
560 /* Calling WinGetLastError() resets the error code of the current thread.
561    Since for some Win* API return value 0 is normal, one needs to call
562    this before calling them to distinguish normal and anomalous returns.  */
563 /*#define ResetWinError()	WinError_2_Perl_rc */
564 
565 /* At this moment init_PMWIN_entries() should be a nop (WinInitialize should
566    be called already, right?), so we do not risk stepping over our own error */
567 #define FillWinError (	WinError_2_Perl_rc,				\
568 			Perl_severity = ERRORIDSEV(Perl_rc),		\
569 			Perl_rc = ERRORIDERROR(Perl_rc),		\
570 			os2_setsyserrno(Perl_rc))
571 
572 #define STATIC_FILE_LENGTH 127
573 
574     /* This should match loadOrdinals[] array in os2.c */
575 enum entries_ordinals {
576     ORD_DosQueryExtLibpath,
577     ORD_DosSetExtLibpath,
578     ORD_DosVerifyPidTid,
579     ORD_SETHOSTENT,
580     ORD_SETNETENT,
581     ORD_SETPROTOENT,
582     ORD_SETSERVENT,
583     ORD_GETHOSTENT,
584     ORD_GETNETENT,
585     ORD_GETPROTOENT,
586     ORD_GETSERVENT,
587     ORD_ENDHOSTENT,
588     ORD_ENDNETENT,
589     ORD_ENDPROTOENT,
590     ORD_ENDSERVENT,
591     ORD_WinInitialize,
592     ORD_WinCreateMsgQueue,
593     ORD_WinDestroyMsgQueue,
594     ORD_WinPeekMsg,
595     ORD_WinGetMsg,
596     ORD_WinDispatchMsg,
597     ORD_WinGetLastError,
598     ORD_WinCancelShutdown,
599     ORD_RexxStart,
600     ORD_RexxVariablePool,
601     ORD_RexxRegisterFunctionExe,
602     ORD_RexxDeregisterFunction,
603     ORD_DOSSMSETTITLE,
604     ORD_PRF32QUERYPROFILESIZE,
605     ORD_PRF32OPENPROFILE,
606     ORD_PRF32CLOSEPROFILE,
607     ORD_PRF32QUERYPROFILE,
608     ORD_PRF32RESET,
609     ORD_PRF32QUERYPROFILEDATA,
610     ORD_PRF32WRITEPROFILEDATA,
611 
612     ORD_WinChangeSwitchEntry,
613     ORD_WinQuerySwitchEntry,
614     ORD_WinQuerySwitchHandle,
615     ORD_WinQuerySwitchList,
616     ORD_WinSwitchToProgram,
617     ORD_WinBeginEnumWindows,
618     ORD_WinEndEnumWindows,
619     ORD_WinEnumDlgItem,
620     ORD_WinGetNextWindow,
621     ORD_WinIsChild,
622     ORD_WinQueryActiveWindow,
623     ORD_WinQueryClassName,
624     ORD_WinQueryFocus,
625     ORD_WinQueryWindow,
626     ORD_WinQueryWindowPos,
627     ORD_WinQueryWindowProcess,
628     ORD_WinQueryWindowText,
629     ORD_WinQueryWindowTextLength,
630     ORD_WinSetFocus,
631     ORD_WinSetWindowPos,
632     ORD_WinSetWindowText,
633     ORD_WinShowWindow,
634     ORD_WinIsWindow,
635     ORD_WinWindowFromId,
636     ORD_WinWindowFromPoint,
637     ORD_WinPostMsg,
638     ORD_WinEnableWindow,
639     ORD_WinEnableWindowUpdate,
640     ORD_WinIsWindowEnabled,
641     ORD_WinIsWindowShowing,
642     ORD_WinIsWindowVisible,
643     ORD_WinQueryWindowPtr,
644     ORD_WinQueryWindowULong,
645     ORD_WinQueryWindowUShort,
646     ORD_WinSetWindowBits,
647     ORD_WinSetWindowPtr,
648     ORD_WinSetWindowULong,
649     ORD_WinSetWindowUShort,
650     ORD_WinQueryDesktopWindow,
651     ORD_WinSetActiveWindow,
652     ORD_DosQueryModFromEIP,
653     ORD_Dos32QueryHeaderInfo,
654     ORD_DosTmrQueryFreq,
655     ORD_DosTmrQueryTime,
656     ORD_WinQueryActiveDesktopPathname,
657     ORD_WinInvalidateRect,
658     ORD_WinCreateFrameControls,
659     ORD_WinQueryClipbrdFmtInfo,
660     ORD_WinQueryClipbrdOwner,
661     ORD_WinQueryClipbrdViewer,
662     ORD_WinQueryClipbrdData,
663     ORD_WinOpenClipbrd,
664     ORD_WinCloseClipbrd,
665     ORD_WinSetClipbrdData,
666     ORD_WinSetClipbrdOwner,
667     ORD_WinSetClipbrdViewer,
668     ORD_WinEnumClipbrdFmts,
669     ORD_WinEmptyClipbrd,
670     ORD_WinAddAtom,
671     ORD_WinFindAtom,
672     ORD_WinDeleteAtom,
673     ORD_WinQueryAtomUsage,
674     ORD_WinQueryAtomName,
675     ORD_WinQueryAtomLength,
676     ORD_WinQuerySystemAtomTable,
677     ORD_WinCreateAtomTable,
678     ORD_WinDestroyAtomTable,
679     ORD_WinOpenWindowDC,
680     ORD_DevOpenDC,
681     ORD_DevQueryCaps,
682     ORD_DevCloseDC,
683     ORD_WinMessageBox,
684     ORD_WinMessageBox2,
685     ORD_WinQuerySysValue,
686     ORD_WinSetSysValue,
687     ORD_WinAlarm,
688     ORD_WinFlashWindow,
689     ORD_WinLoadPointer,
690     ORD_WinQuerySysPointer,
691     ORD_DosReplaceModule,
692     ORD_DosPerfSysCall,
693     ORD_RexxRegisterSubcomExe,
694     ORD_NENTRIES
695 };
696 
697 /* RET: return type, AT: argument signature in (), ARGS: should be in () */
698 #define CallORD(ret,o,at,args)	(((ret (*)at) loadByOrdinal(o, 1))args)
699 #define DeclFuncByORD(ret,name,o,at,args)	\
700   ret name at { return CallORD(ret,o,at,args); }
701 #define DeclVoidFuncByORD(name,o,at,args)	\
702   void name at { CallORD(void,o,at,args); }
703 
704 /* This function returns error code on error, and saves the error info in $^E and Perl_rc */
705 #define DeclOSFuncByORD_native(ret,name,o,at,args)	\
706   ret name at { unsigned long rc; return CheckOSError(CallORD(ret,o,at,args)); }
707 
708 /* These functions return false on error, and save the error info in $^E and Perl_rc */
709 #define DeclOSFuncByORD(ret,name,o,at,args)	\
710   ret name at { unsigned long rc; return !CheckOSError(CallORD(ret,o,at,args)); }
711 #define DeclWinFuncByORD(ret,name,o,at,args)	\
712   ret name at { return SaveWinError(CallORD(ret,o,at,args)); }
713 
714 #define AssignFuncPByORD(p,o)	(*(Perl_PFN*)&(p) = (loadByOrdinal(o, 1)))
715 
716 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
717 #define DeclWinFuncByORD_CACHE(ret,name,o,at,args)	\
718 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,1)
719 
720 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
721 #define DeclWinFuncByORD_CACHE_resetError(ret,name,o,at,args)	\
722 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,1)
723 
724 /* Two flavors below do the same as above, but do not auto-croak */
725 /* This flavor caches the procedure pointer (named as p__Win#name) locally */
726 #define DeclWinFuncByORD_CACHE_survive(ret,name,o,at,args)	\
727 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,0,0)
728 
729 /* This flavor may reset the last error before the call (if ret=0 may be OK) */
730 #define DeclWinFuncByORD_CACHE_resetError_survive(ret,name,o,at,args)	\
731 	DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,1,0)
732 
733 #define DeclWinFuncByORD_CACHE_r(ret,name,o,at,args,r,die)	\
734   static ret (*CAT2(p__Win,name)) at;				\
735   static ret name at {						\
736 	if (!CAT2(p__Win,name))					\
737 	    AssignFuncPByORD(CAT2(p__Win,name), o);		\
738 	if (r) ResetWinError();					\
739 	return SaveCroakWinError(CAT2(p__Win,name) args, die, "[Win]", STRINGIFY(name)); }
740 
741 /* These flavors additionally assume ORD is name with prepended ORD_Win  */
742 #define DeclWinFunc_CACHE(ret,name,at,args)	\
743 	DeclWinFuncByORD_CACHE(ret,name,CAT2(ORD_Win,name),at,args)
744 #define DeclWinFunc_CACHE_resetError(ret,name,at,args)	\
745 	DeclWinFuncByORD_CACHE_resetError(ret,name,CAT2(ORD_Win,name),at,args)
746 #define DeclWinFunc_CACHE_survive(ret,name,at,args)	\
747 	DeclWinFuncByORD_CACHE_survive(ret,name,CAT2(ORD_Win,name),at,args)
748 #define DeclWinFunc_CACHE_resetError_survive(ret,name,at,args)	\
749 	DeclWinFuncByORD_CACHE_resetError_survive(ret,name,CAT2(ORD_Win,name),at,args)
750 
751 void ResetWinError(void);
752 void CroakWinError(int die, char *name);
753 
754 #define PERLLIB_MANGLE(s, n) perllib_mangle((s), (n))
755 char *perllib_mangle(char *, unsigned int);
756 
757 #define fork	fork_with_resources
758 
759 #ifdef EINTR				/* x2p do not include perl.h!!! */
760 static __inline__ int
761 my_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
762 {
763   if (nfds == 0 && timeout && (_emx_env & 0x200)) {
764     if (DosSleep(1000 * timeout->tv_sec	+ (timeout->tv_usec + 500)/1000) == 0)
765       return 0;
766     errno = EINTR;
767     return -1;
768   }
769   return select(nfds, readfds, writefds, exceptfds, timeout);
770 }
771 
772 #define select		my_select
773 #endif
774 
775 
776 typedef int (*Perl_PFN)();
777 Perl_PFN loadByOrdinal(enum entries_ordinals ord, int fail);
778 extern const Perl_PFN * const pExtFCN;
779 char *os2error(int rc);
780 int os2_stat(const char *name, struct stat *st);
781 int fork_with_resources();
782 int setpriority(int which, int pid, int val);
783 int getpriority(int which /* ignored */, int pid);
784 
785 void croak_with_os2error(char *s) __attribute__((noreturn));
786 
787 #ifdef PERL_CORE
788 int os2_do_spawn(pTHX_ char *cmd);
789 int os2_do_aspawn(pTHX_ SV *really, SV **vmark, SV **vsp);
790 #endif
791 
792 #ifndef LOG_DAEMON
793 
794 /* Replacement for syslog.h */
795 #  define	LOG_EMERG	0	/* system is unusable */
796 #  define	LOG_ALERT	1	/* action must be taken immediately */
797 #  define	LOG_CRIT	2	/* critical conditions */
798 #  define	LOG_ERR	3	/* error conditions */
799 #  define	LOG_WARNING	4	/* warning conditions */
800 #  define	LOG_NOTICE	5	/* normal but significant condition */
801 #  define	LOG_INFO	6	/* informational */
802 #  define	LOG_DEBUG	7	/* debug-level messages */
803 
804 #  define	LOG_PRIMASK	0x007	/* mask to extract priority part (internal) */
805 				/* extract priority */
806 #  define	LOG_PRI(p)	((p) & LOG_PRIMASK)
807 #  define	LOG_MAKEPRI(fac, pri)	(((fac) << 3) | (pri))
808 
809 /* facility codes */
810 #  define	LOG_KERN	(0<<3)	/* kernel messages */
811 #  define	LOG_USER	(1<<3)	/* random user-level messages */
812 #  define	LOG_MAIL	(2<<3)	/* mail system */
813 #  define	LOG_DAEMON	(3<<3)	/* system daemons */
814 #  define	LOG_AUTH	(4<<3)	/* security/authorization messages */
815 #  define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
816 #  define	LOG_LPR	(6<<3)	/* line printer subsystem */
817 #  define	LOG_NEWS	(7<<3)	/* network news subsystem */
818 #  define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
819 #  define	LOG_CRON	(15<<3)	/* clock daemon */
820 	/* other codes through 15 reserved for system use */
821 #  define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
822 #  define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
823 #  define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
824 #  define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
825 #  define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
826 #  define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
827 #  define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
828 #  define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
829 
830 #  define	LOG_NFACILITIES	24	/* current number of facilities */
831 #  define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
832 				/* facility of pri */
833 #  define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
834 
835 /*
836  * arguments to setlogmask.
837  */
838 #  define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
839 #  define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
840 
841 /*
842  * Option flags for openlog.
843  *
844  * LOG_ODELAY no longer does anything.
845  * LOG_NDELAY is the inverse of what it used to be.
846  */
847 #  define	LOG_PID		0x01	/* log the pid with each message */
848 #  define	LOG_CONS	0x02	/* log on the console if errors in sending */
849 #  define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
850 #  define	LOG_NDELAY	0x08	/* don't delay open */
851 #  define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
852 #  define	LOG_PERROR	0x20	/* log to stderr as well */
853 
854 #endif
855 
856 /* ************************************************************ */
857 #define Dos32QuerySysState DosQuerySysState
858 #define QuerySysState(flags, pid, buf, bufsz) \
859 	Dos32QuerySysState(flags, 0,  pid, 0, buf, bufsz)
860 
861 #define QSS_PROCESS	1
862 #define QSS_MODULE	4
863 #define QSS_SEMAPHORES	2
864 #define QSS_FILE	8		/* Buggy until fixpack18 */
865 #define QSS_SHARED	16
866 
867 #ifdef _OS2_H
868 
869 APIRET APIENTRY Dos32QuerySysState(ULONG func,ULONG arg1,ULONG pid,
870 			ULONG _res_,PVOID buf,ULONG bufsz);
871 typedef struct {
872 	ULONG	threadcnt;
873 	ULONG	proccnt;
874 	ULONG	modulecnt;
875 } QGLOBAL, *PQGLOBAL;
876 
877 typedef struct {
878 	ULONG	rectype;
879 	USHORT	threadid;
880 	USHORT	slotid;
881 	ULONG	sleepid;
882 	ULONG	priority;
883 	ULONG	systime;
884 	ULONG	usertime;
885 	UCHAR	state;
886 	UCHAR	_reserved1_;	/* padding to ULONG */
887 	USHORT	_reserved2_;	/* padding to ULONG */
888 } QTHREAD, *PQTHREAD;
889 
890 typedef struct {
891 	USHORT	sfn;
892 	USHORT	refcnt;
893 	USHORT	flags1;
894 	USHORT	flags2;
895 	USHORT	accmode1;
896 	USHORT	accmode2;
897 	ULONG	filesize;
898 	USHORT  volhnd;
899 	USHORT	attrib;
900 	USHORT	_reserved_;
901 } QFDS, *PQFDS;
902 
903 typedef struct qfile {
904 	ULONG		rectype;
905 	struct qfile	*next;
906 	ULONG		opencnt;
907 	PQFDS		filedata;
908 	char		name[1];
909 } QFILE, *PQFILE;
910 
911 typedef struct {
912 	ULONG	rectype;
913 	PQTHREAD threads;
914 	USHORT	pid;
915 	USHORT	ppid;
916 	ULONG	type;
917 	ULONG	state;
918 	ULONG	sessid;
919 	USHORT	hndmod;
920 	USHORT	threadcnt;
921 	ULONG	privsem32cnt;
922 	ULONG	_reserved2_;
923 	USHORT	sem16cnt;
924 	USHORT	dllcnt;
925 	USHORT	shrmemcnt;
926 	USHORT	fdscnt;
927 	PUSHORT	sem16s;
928 	PUSHORT	dlls;
929 	PUSHORT	shrmems;
930 	PUSHORT	fds;
931 } QPROCESS, *PQPROCESS;
932 
933 typedef struct sema {
934 	struct sema *next;
935 	USHORT	refcnt;
936 	UCHAR	sysflags;
937 	UCHAR	sysproccnt;
938 	ULONG	_reserved1_;
939 	USHORT	index;
940 	CHAR	name[1];
941 } QSEMA, *PQSEMA;
942 
943 typedef struct {
944 	ULONG	rectype;
945 	ULONG	_reserved1_;
946 	USHORT	_reserved2_;
947 	USHORT	syssemidx;
948 	ULONG	index;
949 	QSEMA	sema;
950 } QSEMSTRUC, *PQSEMSTRUC;
951 
952 typedef struct {
953 	USHORT	pid;
954 	USHORT	opencnt;
955 } QSEMOWNER32, *PQSEMOWNER32;
956 
957 typedef struct {
958 	PQSEMOWNER32	own;
959 	PCHAR		name;
960 	PVOID		semrecs; /* array of associated sema's */
961 	USHORT		flags;
962 	USHORT		semreccnt;
963 	USHORT		waitcnt;
964 	USHORT		_reserved_;	/* padding to ULONG */
965 } QSEMSMUX32, *PQSEMSMUX32;
966 
967 typedef struct {
968 	PQSEMOWNER32	own;
969 	PCHAR		name;
970 	PQSEMSMUX32	mux;
971 	USHORT		flags;
972 	USHORT		postcnt;
973 } QSEMEV32, *PQSEMEV32;
974 
975 typedef struct {
976 	PQSEMOWNER32	own;
977 	PCHAR		name;
978 	PQSEMSMUX32	mux;
979 	USHORT		flags;
980 	USHORT		refcnt;
981 	USHORT		thrdnum;
982 	USHORT		_reserved_;	/* padding to ULONG */
983 } QSEMMUX32, *PQSEMMUX32;
984 
985 typedef struct semstr32 {
986 	struct semstr *next;
987 	QSEMEV32 evsem;
988 	QSEMMUX32  muxsem;
989 	QSEMSMUX32 smuxsem;
990 } QSEMSTRUC32, *PQSEMSTRUC32;
991 
992 typedef struct shrmem {
993 	struct shrmem *next;
994 	USHORT	hndshr;
995 	USHORT	selshr;
996 	USHORT	refcnt;
997 	CHAR	name[1];
998 } QSHRMEM, *PQSHRMEM;
999 
1000 typedef struct module {
1001 	struct module *next;
1002 	USHORT	hndmod;
1003 	USHORT	type;
1004 	ULONG	refcnt;
1005 	ULONG	segcnt;
1006 	PVOID	_reserved_;
1007 	PCHAR	name;
1008 	USHORT	modref[1];
1009 } QMODULE, *PQMODULE;
1010 
1011 typedef struct {
1012 	PQGLOBAL	gbldata;
1013 	PQPROCESS	procdata;
1014 	PQSEMSTRUC	semadata;
1015 	PQSEMSTRUC32	sem32data;
1016 	PQSHRMEM	shrmemdata;
1017 	PQMODULE	moddata;
1018 	PVOID		_reserved2_;
1019 	PQFILE		filedata;
1020 } QTOPLEVEL, *PQTOPLEVEL;
1021 /* ************************************************************ */
1022 
1023 PQTOPLEVEL get_sysinfo(ULONG pid, ULONG flags);
1024 
1025 #endif /* _OS2_H */
1026 
1027