Commit | Line | Data |
4633a7c4 |
1 | #define INCL_DOS |
2 | #define INCL_NOPM |
7a2f0d5b |
3 | #define INCL_DOSFILEMGR |
760ac839 |
4 | #define INCL_DOSMEMMGR |
5 | #define INCL_DOSERRORS |
4633a7c4 |
6 | #include <os2.h> |
7 | |
28743a51 |
8 | #include <sys/uflags.h> |
9 | |
4633a7c4 |
10 | /* |
11 | * Various Unix compatibility functions for OS/2 |
12 | */ |
13 | |
14 | #include <stdio.h> |
15 | #include <errno.h> |
16 | #include <limits.h> |
17 | #include <process.h> |
72ea3524 |
18 | #include <fcntl.h> |
4633a7c4 |
19 | |
20 | #include "EXTERN.h" |
21 | #include "perl.h" |
22 | |
dd96f567 |
23 | #ifdef USE_THREADS |
24 | |
25 | typedef void (*emx_startroutine)(void *); |
26 | typedef void* (*pthreads_startroutine)(void *); |
27 | |
28 | enum pthreads_state { |
29 | pthreads_st_none = 0, |
30 | pthreads_st_run, |
31 | pthreads_st_exited, |
32 | pthreads_st_detached, |
33 | pthreads_st_waited, |
34 | }; |
35 | const char *pthreads_states[] = { |
36 | "uninit", |
37 | "running", |
38 | "exited", |
39 | "detached", |
40 | "waited for", |
41 | }; |
42 | |
43 | typedef struct { |
44 | void *status; |
3aefca04 |
45 | perl_cond cond; |
dd96f567 |
46 | enum pthreads_state state; |
47 | } thread_join_t; |
48 | |
49 | thread_join_t *thread_join_data; |
50 | int thread_join_count; |
3aefca04 |
51 | perl_mutex start_thread_mutex; |
dd96f567 |
52 | |
53 | int |
3aefca04 |
54 | pthread_join(perl_os_thread tid, void **status) |
dd96f567 |
55 | { |
56 | MUTEX_LOCK(&start_thread_mutex); |
57 | switch (thread_join_data[tid].state) { |
58 | case pthreads_st_exited: |
59 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
60 | MUTEX_UNLOCK(&start_thread_mutex); |
61 | *status = thread_join_data[tid].status; |
62 | break; |
63 | case pthreads_st_waited: |
64 | MUTEX_UNLOCK(&start_thread_mutex); |
65 | croak("join with a thread with a waiter"); |
66 | break; |
67 | case pthreads_st_run: |
68 | thread_join_data[tid].state = pthreads_st_waited; |
69 | COND_INIT(&thread_join_data[tid].cond); |
70 | MUTEX_UNLOCK(&start_thread_mutex); |
71 | COND_WAIT(&thread_join_data[tid].cond, NULL); |
72 | COND_DESTROY(&thread_join_data[tid].cond); |
73 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
74 | *status = thread_join_data[tid].status; |
75 | break; |
76 | default: |
77 | MUTEX_UNLOCK(&start_thread_mutex); |
78 | croak("join: unknown thread state: '%s'", |
79 | pthreads_states[thread_join_data[tid].state]); |
80 | break; |
81 | } |
82 | return 0; |
83 | } |
84 | |
85 | void |
86 | pthread_startit(void *arg) |
87 | { |
88 | /* Thread is already started, we need to transfer control only */ |
89 | pthreads_startroutine start_routine = *((pthreads_startroutine*)arg); |
90 | int tid = pthread_self(); |
91 | void *retval; |
92 | |
93 | arg = ((void**)arg)[1]; |
94 | if (tid >= thread_join_count) { |
95 | int oc = thread_join_count; |
96 | |
97 | thread_join_count = tid + 5 + tid/5; |
98 | if (thread_join_data) { |
99 | Renew(thread_join_data, thread_join_count, thread_join_t); |
100 | Zero(thread_join_data + oc, thread_join_count - oc, thread_join_t); |
101 | } else { |
102 | Newz(1323, thread_join_data, thread_join_count, thread_join_t); |
103 | } |
104 | } |
105 | if (thread_join_data[tid].state != pthreads_st_none) |
106 | croak("attempt to reuse thread id %i", tid); |
107 | thread_join_data[tid].state = pthreads_st_run; |
108 | /* Now that we copied/updated the guys, we may release the caller... */ |
109 | MUTEX_UNLOCK(&start_thread_mutex); |
110 | thread_join_data[tid].status = (*start_routine)(arg); |
111 | switch (thread_join_data[tid].state) { |
112 | case pthreads_st_waited: |
113 | COND_SIGNAL(&thread_join_data[tid].cond); |
114 | break; |
115 | default: |
116 | thread_join_data[tid].state = pthreads_st_exited; |
117 | break; |
118 | } |
119 | } |
120 | |
121 | int |
3aefca04 |
122 | pthread_create(perl_os_thread *tid, const pthread_attr_t *attr, |
dd96f567 |
123 | void *(*start_routine)(void*), void *arg) |
124 | { |
125 | void *args[2]; |
126 | |
127 | args[0] = (void*)start_routine; |
128 | args[1] = arg; |
129 | |
130 | MUTEX_LOCK(&start_thread_mutex); |
131 | *tid = _beginthread(pthread_startit, /*stack*/ NULL, |
132 | /*stacksize*/ 10*1024*1024, (void*)args); |
133 | MUTEX_LOCK(&start_thread_mutex); |
134 | MUTEX_UNLOCK(&start_thread_mutex); |
135 | return *tid ? 0 : EINVAL; |
136 | } |
137 | |
138 | int |
3aefca04 |
139 | pthread_detach(perl_os_thread tid) |
dd96f567 |
140 | { |
141 | MUTEX_LOCK(&start_thread_mutex); |
142 | switch (thread_join_data[tid].state) { |
143 | case pthreads_st_waited: |
144 | MUTEX_UNLOCK(&start_thread_mutex); |
145 | croak("detach on a thread with a waiter"); |
146 | break; |
147 | case pthreads_st_run: |
148 | thread_join_data[tid].state = pthreads_st_detached; |
149 | MUTEX_UNLOCK(&start_thread_mutex); |
150 | break; |
151 | default: |
152 | MUTEX_UNLOCK(&start_thread_mutex); |
153 | croak("detach: unknown thread state: '%s'", |
154 | pthreads_states[thread_join_data[tid].state]); |
155 | break; |
156 | } |
157 | return 0; |
158 | } |
159 | |
160 | /* This is a very bastardized version: */ |
161 | int |
3aefca04 |
162 | os2_cond_wait(perl_cond *c, perl_mutex *m) |
dd96f567 |
163 | { |
164 | int rc; |
2d8e6c8d |
165 | STRLEN n_a; |
166 | if ((rc = DosResetEventSem(*c,&n_a)) && (rc != ERROR_ALREADY_RESET)) |
dd96f567 |
167 | croak("panic: COND_WAIT-reset: rc=%i", rc); |
168 | if (m) MUTEX_UNLOCK(m); |
91643db9 |
169 | if (CheckOSError(DosWaitEventSem(*c,SEM_INDEFINITE_WAIT)) |
170 | && (rc != ERROR_INTERRUPT)) |
dd96f567 |
171 | croak("panic: COND_WAIT: rc=%i", rc); |
91643db9 |
172 | if (rc == ERROR_INTERRUPT) |
173 | errno = EINTR; |
dd96f567 |
174 | if (m) MUTEX_LOCK(m); |
175 | } |
176 | #endif |
177 | |
4633a7c4 |
178 | /*****************************************************************************/ |
72ea3524 |
179 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
180 | static PFN ExtFCN[2]; /* Labeled by ord below. */ |
181 | static USHORT loadOrd[2] = { 874, 873 }; /* Query=874, Set=873. */ |
182 | #define ORD_QUERY_ELP 0 |
183 | #define ORD_SET_ELP 1 |
4bfbfac5 |
184 | struct PMWIN_entries_t PMWIN_entries; |
72ea3524 |
185 | |
186 | APIRET |
4bfbfac5 |
187 | loadByOrd(char *modname, ULONG ord) |
72ea3524 |
188 | { |
189 | if (ExtFCN[ord] == NULL) { |
190 | static HMODULE hdosc = 0; |
191 | BYTE buf[20]; |
192 | PFN fcn; |
193 | APIRET rc; |
194 | |
195 | if ((!hdosc && CheckOSError(DosLoadModule(buf, sizeof buf, |
4bfbfac5 |
196 | modname, &hdosc))) |
72ea3524 |
197 | || CheckOSError(DosQueryProcAddr(hdosc, loadOrd[ord], NULL, &fcn))) |
4bfbfac5 |
198 | croak("This version of OS/2 does not support %s.%i", |
199 | modname, loadOrd[ord]); |
72ea3524 |
200 | ExtFCN[ord] = fcn; |
201 | } |
4bfbfac5 |
202 | if ((long)ExtFCN[ord] == -1) |
203 | croak("panic queryaddr"); |
72ea3524 |
204 | } |
205 | |
4bfbfac5 |
206 | void |
207 | init_PMWIN_entries(void) |
208 | { |
209 | static HMODULE hpmwin = 0; |
210 | static const int ords[] = { |
211 | 763, /* Initialize */ |
212 | 716, /* CreateMsgQueue */ |
213 | 726, /* DestroyMsgQueue */ |
214 | 918, /* PeekMsg */ |
215 | 915, /* GetMsg */ |
216 | 912, /* DispatchMsg */ |
217 | }; |
218 | BYTE buf[20]; |
219 | int i = 0; |
220 | unsigned long rc; |
221 | |
222 | if (hpmwin) |
223 | return; |
224 | |
225 | if (CheckOSError(DosLoadModule(buf, sizeof buf, "pmwin", &hpmwin))) |
226 | croak("This version of OS/2 does not support pmwin: error in %s", buf); |
227 | while (i <= 5) { |
228 | if (CheckOSError(DosQueryProcAddr(hpmwin, ords[i], NULL, |
229 | ((PFN*)&PMWIN_entries)+i))) |
230 | croak("This version of OS/2 does not support pmwin.%d", ords[i]); |
231 | i++; |
232 | } |
233 | } |
234 | |
235 | |
4633a7c4 |
236 | /* priorities */ |
6f064249 |
237 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
238 | self inverse. */ |
239 | #define QSS_INI_BUFFER 1024 |
4633a7c4 |
240 | |
6f064249 |
241 | PQTOPLEVEL |
242 | get_sysinfo(ULONG pid, ULONG flags) |
4633a7c4 |
243 | { |
6f064249 |
244 | char *pbuffer; |
245 | ULONG rc, buf_len = QSS_INI_BUFFER; |
246 | |
fc36a67e |
247 | New(1322, pbuffer, buf_len, char); |
6f064249 |
248 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
249 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
250 | while (rc == ERROR_BUFFER_OVERFLOW) { |
251 | Renew(pbuffer, buf_len *= 2, char); |
df3ef7a9 |
252 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
6f064249 |
253 | } |
254 | if (rc) { |
255 | FillOSError(rc); |
256 | Safefree(pbuffer); |
257 | return 0; |
258 | } |
259 | return (PQTOPLEVEL)pbuffer; |
260 | } |
261 | |
262 | #define PRIO_ERR 0x1111 |
263 | |
264 | static ULONG |
265 | sys_prio(pid) |
266 | { |
267 | ULONG prio; |
268 | PQTOPLEVEL psi; |
269 | |
270 | psi = get_sysinfo(pid, QSS_PROCESS); |
271 | if (!psi) { |
272 | return PRIO_ERR; |
273 | } |
274 | if (pid != psi->procdata->pid) { |
275 | Safefree(psi); |
276 | croak("panic: wrong pid in sysinfo"); |
277 | } |
278 | prio = psi->procdata->threads->priority; |
279 | Safefree(psi); |
280 | return prio; |
281 | } |
282 | |
283 | int |
284 | setpriority(int which, int pid, int val) |
285 | { |
286 | ULONG rc, prio; |
287 | PQTOPLEVEL psi; |
288 | |
289 | prio = sys_prio(pid); |
290 | |
55497cff |
291 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
292 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
293 | /* Do not change class. */ |
294 | return CheckOSError(DosSetPriority((pid < 0) |
295 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
296 | 0, |
297 | (32 - val) % 32 - (prio & 0xFF), |
298 | abs(pid))) |
299 | ? -1 : 0; |
300 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
301 | /* Documentation claims one can change both class and basevalue, |
302 | * but I find it wrong. */ |
303 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
304 | if (CheckOSError(DosSetPriority((pid < 0) |
305 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
306 | priors[(32 - val) >> 5] + 1, |
307 | 0, |
308 | abs(pid)))) |
309 | return -1; |
310 | if ( ((32 - val) % 32) == 0 ) return 0; |
311 | return CheckOSError(DosSetPriority((pid < 0) |
312 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
313 | 0, |
314 | (32 - val) % 32, |
315 | abs(pid))) |
316 | ? -1 : 0; |
317 | } |
318 | /* else return CheckOSError(DosSetPriority((pid < 0) */ |
319 | /* ? PRTYS_PROCESSTREE : PRTYS_PROCESS, */ |
320 | /* priors[(32 - val) >> 5] + 1, */ |
321 | /* (32 - val) % 32 - (prio & 0xFF), */ |
322 | /* abs(pid))) */ |
323 | /* ? -1 : 0; */ |
4633a7c4 |
324 | } |
325 | |
6f064249 |
326 | int |
327 | getpriority(int which /* ignored */, int pid) |
4633a7c4 |
328 | { |
329 | TIB *tib; |
330 | PIB *pib; |
6f064249 |
331 | ULONG rc, ret; |
332 | |
55497cff |
333 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
334 | /* DosGetInfoBlocks has old priority! */ |
335 | /* if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) return -1; */ |
336 | /* if (pid != pib->pib_ulpid) { */ |
337 | ret = sys_prio(pid); |
338 | if (ret == PRIO_ERR) { |
339 | return -1; |
340 | } |
341 | /* } else */ |
342 | /* ret = tib->tib_ptib2->tib2_ulpri; */ |
343 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
4633a7c4 |
344 | } |
345 | |
346 | /*****************************************************************************/ |
347 | /* spawn */ |
2c2e0e8c |
348 | |
349 | /* There is no big sense to make it thread-specific, since signals |
350 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
351 | static int spawn_pid; |
352 | static int spawn_killed; |
353 | |
354 | static Signal_t |
355 | spawn_sighandler(int sig) |
356 | { |
357 | /* Some programs do not arrange for the keyboard signals to be |
358 | delivered to them. We need to deliver the signal manually. */ |
359 | /* We may get a signal only if |
360 | a) kid does not receive keyboard signal: deliver it; |
361 | b) kid already died, and we get a signal. We may only hope |
362 | that the pid number was not reused. |
363 | */ |
364 | |
365 | if (spawn_killed) |
366 | sig = SIGKILL; /* Try harder. */ |
367 | kill(spawn_pid, sig); |
368 | spawn_killed = 1; |
369 | } |
72ea3524 |
370 | |
4633a7c4 |
371 | static int |
372 | result(int flag, int pid) |
373 | { |
374 | int r, status; |
375 | Signal_t (*ihand)(); /* place to save signal during system() */ |
376 | Signal_t (*qhand)(); /* place to save signal during system() */ |
760ac839 |
377 | #ifndef __EMX__ |
378 | RESULTCODES res; |
379 | int rpid; |
380 | #endif |
4633a7c4 |
381 | |
760ac839 |
382 | if (pid < 0 || flag != 0) |
4633a7c4 |
383 | return pid; |
384 | |
760ac839 |
385 | #ifdef __EMX__ |
2c2e0e8c |
386 | spawn_pid = pid; |
387 | spawn_killed = 0; |
388 | ihand = rsignal(SIGINT, &spawn_sighandler); |
389 | qhand = rsignal(SIGQUIT, &spawn_sighandler); |
c0c09dfd |
390 | do { |
391 | r = wait4pid(pid, &status, 0); |
392 | } while (r == -1 && errno == EINTR); |
72ea3524 |
393 | rsignal(SIGINT, ihand); |
394 | rsignal(SIGQUIT, qhand); |
4633a7c4 |
395 | |
6b88bc9c |
396 | PL_statusvalue = (U16)status; |
4633a7c4 |
397 | if (r < 0) |
398 | return -1; |
399 | return status & 0xFFFF; |
760ac839 |
400 | #else |
72ea3524 |
401 | ihand = rsignal(SIGINT, SIG_IGN); |
760ac839 |
402 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
72ea3524 |
403 | rsignal(SIGINT, ihand); |
6b88bc9c |
404 | PL_statusvalue = res.codeResult << 8 | res.codeTerminate; |
760ac839 |
405 | if (r) |
406 | return -1; |
6b88bc9c |
407 | return PL_statusvalue; |
760ac839 |
408 | #endif |
4633a7c4 |
409 | } |
410 | |
491527d0 |
411 | #define EXECF_SPAWN 0 |
412 | #define EXECF_EXEC 1 |
413 | #define EXECF_TRUEEXEC 2 |
414 | #define EXECF_SPAWN_NOWAIT 3 |
4435c477 |
415 | #define EXECF_SPAWN_BYFLAG 4 |
491527d0 |
416 | |
017f25f1 |
417 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
418 | |
419 | static int |
420 | my_type() |
421 | { |
422 | int rc; |
423 | TIB *tib; |
424 | PIB *pib; |
425 | |
426 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
427 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
428 | return -1; |
429 | |
430 | return (pib->pib_ultype); |
431 | } |
432 | |
433 | static ULONG |
434 | file_type(char *path) |
435 | { |
436 | int rc; |
437 | ULONG apptype; |
438 | |
439 | if (!(_emx_env & 0x200)) |
440 | croak("file_type not implemented on DOS"); /* not OS/2. */ |
441 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
442 | switch (rc) { |
443 | case ERROR_FILE_NOT_FOUND: |
444 | case ERROR_PATH_NOT_FOUND: |
445 | return -1; |
446 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
447 | return -3; |
448 | default: /* Found, but not an |
449 | executable, or some other |
450 | read error. */ |
451 | return -2; |
452 | } |
453 | } |
454 | return apptype; |
455 | } |
456 | |
457 | static ULONG os2_mytype; |
458 | |
491527d0 |
459 | /* Spawn/exec a program, revert to shell if needed. */ |
6b88bc9c |
460 | /* global PL_Argv[] contains arguments. */ |
491527d0 |
461 | |
4633a7c4 |
462 | int |
5838269b |
463 | do_spawn_ve(really, flag, execf, inicmd, addflag) |
4633a7c4 |
464 | SV *really; |
491527d0 |
465 | U32 flag; |
466 | U32 execf; |
2c2e0e8c |
467 | char *inicmd; |
5838269b |
468 | U32 addflag; |
4633a7c4 |
469 | { |
dd96f567 |
470 | dTHR; |
491527d0 |
471 | int trueflag = flag; |
a97be121 |
472 | int rc, pass = 1; |
491527d0 |
473 | char *tmps; |
6756f2f0 |
474 | char buf[256], *s = 0, scrbuf[280]; |
491527d0 |
475 | char *args[4]; |
476 | static char * fargs[4] |
477 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
478 | char **argsp = fargs; |
479 | char nargs = 4; |
017f25f1 |
480 | int force_shell; |
5838269b |
481 | int new_stderr = -1, nostderr = 0, fl_stderr; |
2d8e6c8d |
482 | STRLEN n_a; |
491527d0 |
483 | |
4633a7c4 |
484 | if (flag == P_WAIT) |
485 | flag = P_NOWAIT; |
486 | |
491527d0 |
487 | retry: |
6b88bc9c |
488 | if (strEQ(PL_Argv[0],"/bin/sh")) |
489 | PL_Argv[0] = PL_sh_path; |
3bbf9c2b |
490 | |
6b88bc9c |
491 | if (PL_Argv[0][0] != '/' && PL_Argv[0][0] != '\\' |
492 | && !(PL_Argv[0][0] && PL_Argv[0][1] == ':' |
493 | && (PL_Argv[0][2] == '/' || PL_Argv[0][2] != '\\')) |
2c2e0e8c |
494 | ) /* will spawnvp use PATH? */ |
c0c09dfd |
495 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
760ac839 |
496 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
2d8e6c8d |
497 | if (!really || !*(tmps = SvPV(really, n_a))) |
6b88bc9c |
498 | tmps = PL_Argv[0]; |
017f25f1 |
499 | |
500 | reread: |
501 | force_shell = 0; |
502 | if (_emx_env & 0x200) { /* OS/2. */ |
503 | int type = file_type(tmps); |
504 | type_again: |
505 | if (type == -1) { /* Not found */ |
506 | errno = ENOENT; |
507 | rc = -1; |
508 | goto do_script; |
509 | } |
510 | else if (type == -2) { /* Not an EXE */ |
511 | errno = ENOEXEC; |
512 | rc = -1; |
513 | goto do_script; |
514 | } |
515 | else if (type == -3) { /* Is a directory? */ |
516 | /* Special-case this */ |
517 | char tbuf[512]; |
518 | int l = strlen(tmps); |
519 | |
520 | if (l + 5 <= sizeof tbuf) { |
521 | strcpy(tbuf, tmps); |
522 | strcpy(tbuf + l, ".exe"); |
523 | type = file_type(tbuf); |
524 | if (type >= -3) |
525 | goto type_again; |
526 | } |
527 | |
528 | errno = ENOEXEC; |
529 | rc = -1; |
530 | goto do_script; |
531 | } |
532 | switch (type & 7) { |
533 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
534 | case FAPPTYP_WINDOWAPI: |
535 | { |
536 | if (os2_mytype != 3) { /* not PM */ |
537 | if (flag == P_NOWAIT) |
538 | flag = P_PM; |
539 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION) |
540 | warn("Starting PM process with flag=%d, mytype=%d", |
541 | flag, os2_mytype); |
542 | } |
543 | } |
544 | break; |
545 | case FAPPTYP_NOTWINDOWCOMPAT: |
546 | { |
547 | if (os2_mytype != 0) { /* not full screen */ |
548 | if (flag == P_NOWAIT) |
549 | flag = P_SESSION; |
550 | else if ((flag & 7) != P_SESSION) |
551 | warn("Starting Full Screen process with flag=%d, mytype=%d", |
552 | flag, os2_mytype); |
553 | } |
554 | } |
555 | break; |
556 | case FAPPTYP_NOTSPEC: |
557 | /* Let the shell handle this... */ |
558 | force_shell = 1; |
559 | goto doshell_args; |
560 | break; |
561 | } |
562 | } |
563 | |
5838269b |
564 | if (addflag) { |
565 | addflag = 0; |
566 | new_stderr = dup(2); /* Preserve stderr */ |
567 | if (new_stderr == -1) { |
568 | if (errno == EBADF) |
569 | nostderr = 1; |
570 | else { |
571 | rc = -1; |
572 | goto finish; |
573 | } |
574 | } else |
575 | fl_stderr = fcntl(2, F_GETFD); |
576 | rc = dup2(1,2); |
577 | if (rc == -1) |
578 | goto finish; |
579 | fcntl(new_stderr, F_SETFD, FD_CLOEXEC); |
580 | } |
581 | |
491527d0 |
582 | #if 0 |
6b88bc9c |
583 | rc = result(trueflag, spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
584 | #else |
585 | if (execf == EXECF_TRUEEXEC) |
6b88bc9c |
586 | rc = execvp(tmps,PL_Argv); |
491527d0 |
587 | else if (execf == EXECF_EXEC) |
6b88bc9c |
588 | rc = spawnvp(trueflag | P_OVERLAY,tmps,PL_Argv); |
491527d0 |
589 | else if (execf == EXECF_SPAWN_NOWAIT) |
017f25f1 |
590 | rc = spawnvp(flag,tmps,PL_Argv); |
4435c477 |
591 | else /* EXECF_SPAWN, EXECF_SPAWN_BYFLAG */ |
491527d0 |
592 | rc = result(trueflag, |
017f25f1 |
593 | spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
594 | #endif |
2c2e0e8c |
595 | if (rc < 0 && pass == 1 |
6b88bc9c |
596 | && (tmps == PL_Argv[0])) { /* Cannot transfer `really' via shell. */ |
017f25f1 |
597 | do_script: |
598 | { |
a97be121 |
599 | int err = errno; |
600 | |
2c2e0e8c |
601 | if (err == ENOENT || err == ENOEXEC) { |
602 | /* No such file, or is a script. */ |
603 | /* Try adding script extensions to the file name, and |
604 | search on PATH. */ |
6b88bc9c |
605 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
2c2e0e8c |
606 | |
607 | if (scr) { |
e96326af |
608 | FILE *file; |
2c2e0e8c |
609 | char *s = 0, *s1; |
e96326af |
610 | int l; |
2c2e0e8c |
611 | |
e96326af |
612 | l = strlen(scr); |
613 | |
614 | if (l >= sizeof scrbuf) { |
615 | Safefree(scr); |
616 | longbuf: |
5838269b |
617 | warn("Size of scriptname too big: %d", l); |
618 | rc = -1; |
619 | goto finish; |
e96326af |
620 | } |
621 | strcpy(scrbuf, scr); |
622 | Safefree(scr); |
623 | scr = scrbuf; |
624 | |
625 | file = fopen(scr, "r"); |
6b88bc9c |
626 | PL_Argv[0] = scr; |
2c2e0e8c |
627 | if (!file) |
628 | goto panic_file; |
017f25f1 |
629 | if (!fgets(buf, sizeof buf, file)) { /* Empty... */ |
017f25f1 |
630 | |
631 | buf[0] = 0; |
2c2e0e8c |
632 | fclose(file); |
017f25f1 |
633 | /* Special case: maybe from -Zexe build, so |
634 | there is an executable around (contrary to |
635 | documentation, DosQueryAppType sometimes (?) |
636 | does not append ".exe", so we could have |
637 | reached this place). */ |
6756f2f0 |
638 | if (l + 5 < sizeof scrbuf) { |
639 | strcpy(scrbuf + l, ".exe"); |
640 | if (PerlLIO_stat(scrbuf,&PL_statbuf) >= 0 |
017f25f1 |
641 | && !S_ISDIR(PL_statbuf.st_mode)) { |
642 | /* Found */ |
643 | tmps = scr; |
644 | pass++; |
645 | goto reread; |
6756f2f0 |
646 | } else |
647 | scrbuf[l] = 0; |
648 | } else |
649 | goto longbuf; |
2c2e0e8c |
650 | } |
651 | if (fclose(file) != 0) { /* Failure */ |
652 | panic_file: |
653 | warn("Error reading \"%s\": %s", |
654 | scr, Strerror(errno)); |
655 | buf[0] = 0; /* Not #! */ |
656 | goto doshell_args; |
657 | } |
658 | if (buf[0] == '#') { |
659 | if (buf[1] == '!') |
660 | s = buf + 2; |
661 | } else if (buf[0] == 'e') { |
662 | if (strnEQ(buf, "extproc", 7) |
663 | && isSPACE(buf[7])) |
664 | s = buf + 8; |
665 | } else if (buf[0] == 'E') { |
666 | if (strnEQ(buf, "EXTPROC", 7) |
667 | && isSPACE(buf[7])) |
668 | s = buf + 8; |
669 | } |
670 | if (!s) { |
671 | buf[0] = 0; /* Not #! */ |
672 | goto doshell_args; |
673 | } |
674 | |
675 | s1 = s; |
676 | nargs = 0; |
677 | argsp = args; |
678 | while (1) { |
679 | /* Do better than pdksh: allow a few args, |
680 | strip trailing whitespace. */ |
681 | while (isSPACE(*s)) |
682 | s++; |
683 | if (*s == 0) |
684 | break; |
685 | if (nargs == 4) { |
686 | nargs = -1; |
687 | break; |
688 | } |
689 | args[nargs++] = s; |
690 | while (*s && !isSPACE(*s)) |
691 | s++; |
692 | if (*s == 0) |
693 | break; |
694 | *s++ = 0; |
695 | } |
696 | if (nargs == -1) { |
697 | warn("Too many args on %.*s line of \"%s\"", |
698 | s1 - buf, buf, scr); |
699 | nargs = 4; |
700 | argsp = fargs; |
701 | } |
702 | doshell_args: |
703 | { |
6b88bc9c |
704 | char **a = PL_Argv; |
2c2e0e8c |
705 | char *exec_args[2]; |
706 | |
017f25f1 |
707 | if (force_shell |
708 | || (!buf[0] && file)) { /* File without magic */ |
2c2e0e8c |
709 | /* In fact we tried all what pdksh would |
710 | try. There is no point in calling |
711 | pdksh, we may just emulate its logic. */ |
712 | char *shell = getenv("EXECSHELL"); |
713 | char *shell_opt = NULL; |
714 | |
715 | if (!shell) { |
716 | char *s; |
717 | |
718 | shell_opt = "/c"; |
719 | shell = getenv("OS2_SHELL"); |
720 | if (inicmd) { /* No spaces at start! */ |
721 | s = inicmd; |
722 | while (*s && !isSPACE(*s)) { |
723 | if (*s++ = '/') { |
724 | inicmd = NULL; /* Cannot use */ |
725 | break; |
726 | } |
727 | } |
728 | } |
729 | if (!inicmd) { |
6b88bc9c |
730 | s = PL_Argv[0]; |
2c2e0e8c |
731 | while (*s) { |
732 | /* Dosish shells will choke on slashes |
733 | in paths, fortunately, this is |
734 | important for zeroth arg only. */ |
735 | if (*s == '/') |
736 | *s = '\\'; |
737 | s++; |
738 | } |
491527d0 |
739 | } |
491527d0 |
740 | } |
2c2e0e8c |
741 | /* If EXECSHELL is set, we do not set */ |
742 | |
743 | if (!shell) |
744 | shell = ((_emx_env & 0x200) |
745 | ? "c:/os2/cmd.exe" |
746 | : "c:/command.com"); |
747 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
748 | exec_args[0] = shell; |
749 | exec_args[1] = shell_opt; |
750 | argsp = exec_args; |
751 | if (nargs == 2 && inicmd) { |
752 | /* Use the original cmd line */ |
753 | /* XXXX This is good only until we refuse |
754 | quoted arguments... */ |
6b88bc9c |
755 | PL_Argv[0] = inicmd; |
756 | PL_Argv[1] = Nullch; |
491527d0 |
757 | } |
2c2e0e8c |
758 | } else if (!buf[0] && inicmd) { /* No file */ |
759 | /* Start with the original cmdline. */ |
760 | /* XXXX This is good only until we refuse |
761 | quoted arguments... */ |
762 | |
6b88bc9c |
763 | PL_Argv[0] = inicmd; |
764 | PL_Argv[1] = Nullch; |
2c2e0e8c |
765 | nargs = 2; /* shell -c */ |
766 | } |
767 | |
768 | while (a[1]) /* Get to the end */ |
769 | a++; |
770 | a++; /* Copy finil NULL too */ |
6b88bc9c |
771 | while (a >= PL_Argv) { |
772 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
2c2e0e8c |
773 | long enough. */ |
774 | a--; |
491527d0 |
775 | } |
2c2e0e8c |
776 | while (nargs-- >= 0) |
6b88bc9c |
777 | PL_Argv[nargs] = argsp[nargs]; |
2c2e0e8c |
778 | /* Enable pathless exec if #! (as pdksh). */ |
779 | pass = (buf[0] == '#' ? 2 : 3); |
780 | goto retry; |
e29f6e02 |
781 | } |
782 | } |
2c2e0e8c |
783 | /* Not found: restore errno */ |
491527d0 |
784 | errno = err; |
2c2e0e8c |
785 | } |
017f25f1 |
786 | } |
a97be121 |
787 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
6b88bc9c |
788 | char *no_dir = strrchr(PL_Argv[0], '/'); |
2c2e0e8c |
789 | |
790 | /* Do as pdksh port does: if not found with /, try without |
791 | path. */ |
792 | if (no_dir) { |
6b88bc9c |
793 | PL_Argv[0] = no_dir + 1; |
2c2e0e8c |
794 | pass++; |
e29f6e02 |
795 | goto retry; |
796 | } |
797 | } |
6b88bc9c |
798 | if (rc < 0 && PL_dowarn) |
491527d0 |
799 | warn("Can't %s \"%s\": %s\n", |
800 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
801 | ? "spawn" : "exec"), |
a97be121 |
802 | PL_Argv[0], Strerror(errno)); |
491527d0 |
803 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
804 | && ((trueflag & 0xFF) == P_WAIT)) |
805 | rc = 255 << 8; /* Emulate the fork(). */ |
806 | |
5838269b |
807 | finish: |
808 | if (new_stderr != -1) { /* How can we use error codes? */ |
809 | dup2(new_stderr, 2); |
810 | close(new_stderr); |
811 | fcntl(2, F_SETFD, fl_stderr); |
812 | } else if (nostderr) |
813 | close(2); |
491527d0 |
814 | return rc; |
815 | } |
816 | |
491527d0 |
817 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
4633a7c4 |
818 | int |
4435c477 |
819 | do_spawn3(char *cmd, int execf, int flag) |
4633a7c4 |
820 | { |
821 | register char **a; |
822 | register char *s; |
823 | char flags[10]; |
3bbf9c2b |
824 | char *shell, *copt, *news = NULL; |
5838269b |
825 | int rc, err, seenspace = 0, mergestderr = 0; |
e29f6e02 |
826 | char fullcmd[MAXNAMLEN + 1]; |
4633a7c4 |
827 | |
c0c09dfd |
828 | #ifdef TRYSHELL |
829 | if ((shell = getenv("EMXSHELL")) != NULL) |
830 | copt = "-c"; |
831 | else if ((shell = getenv("SHELL")) != NULL) |
4633a7c4 |
832 | copt = "-c"; |
833 | else if ((shell = getenv("COMSPEC")) != NULL) |
834 | copt = "/C"; |
835 | else |
836 | shell = "cmd.exe"; |
c0c09dfd |
837 | #else |
838 | /* Consensus on perl5-porters is that it is _very_ important to |
839 | have a shell which will not change between computers with the |
840 | same architecture, to avoid "action on a distance". |
841 | And to have simple build, this shell should be sh. */ |
6b88bc9c |
842 | shell = PL_sh_path; |
c0c09dfd |
843 | copt = "-c"; |
844 | #endif |
845 | |
846 | while (*cmd && isSPACE(*cmd)) |
847 | cmd++; |
4633a7c4 |
848 | |
3bbf9c2b |
849 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
6b88bc9c |
850 | STRLEN l = strlen(PL_sh_path); |
3bbf9c2b |
851 | |
2cc2f81f |
852 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
6b88bc9c |
853 | strcpy(news, PL_sh_path); |
3bbf9c2b |
854 | strcpy(news + l, cmd + 7); |
855 | cmd = news; |
856 | } |
857 | |
4633a7c4 |
858 | /* save an extra exec if possible */ |
859 | /* see if there are shell metacharacters in it */ |
860 | |
c0c09dfd |
861 | if (*cmd == '.' && isSPACE(cmd[1])) |
862 | goto doshell; |
863 | |
864 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
865 | goto doshell; |
866 | |
867 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
868 | if (*s == '=') |
869 | goto doshell; |
870 | |
4633a7c4 |
871 | for (s = cmd; *s; s++) { |
c0c09dfd |
872 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
3bbf9c2b |
873 | if (*s == '\n' && s[1] == '\0') { |
4633a7c4 |
874 | *s = '\0'; |
875 | break; |
a0914d8e |
876 | } else if (*s == '\\' && !seenspace) { |
877 | continue; /* Allow backslashes in names */ |
5838269b |
878 | } else if (*s == '>' && s >= cmd + 3 |
879 | && s[-1] == '2' && s[1] == '&' && s[2] == '1' |
880 | && isSPACE(s[-2]) ) { |
881 | char *t = s + 3; |
882 | |
883 | while (*t && isSPACE(*t)) |
884 | t++; |
885 | if (!*t) { |
886 | s[-2] = '\0'; |
887 | mergestderr = 1; |
888 | break; /* Allow 2>&1 as the last thing */ |
889 | } |
4633a7c4 |
890 | } |
491527d0 |
891 | /* We do not convert this to do_spawn_ve since shell |
892 | should be smart enough to start itself gloriously. */ |
c0c09dfd |
893 | doshell: |
760ac839 |
894 | if (execf == EXECF_TRUEEXEC) |
2c2e0e8c |
895 | rc = execl(shell,shell,copt,cmd,(char*)0); |
760ac839 |
896 | else if (execf == EXECF_EXEC) |
2c2e0e8c |
897 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
72ea3524 |
898 | else if (execf == EXECF_SPAWN_NOWAIT) |
2c2e0e8c |
899 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
4435c477 |
900 | else if (execf == EXECF_SPAWN_BYFLAG) |
901 | rc = spawnl(flag,shell,shell,copt,cmd,(char*)0); |
2c2e0e8c |
902 | else { |
903 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
904 | rc = result(P_WAIT, |
905 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
6b88bc9c |
906 | if (rc < 0 && PL_dowarn) |
2c2e0e8c |
907 | warn("Can't %s \"%s\": %s", |
908 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
909 | shell, Strerror(errno)); |
910 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
911 | } |
912 | if (news) |
913 | Safefree(news); |
c0c09dfd |
914 | return rc; |
a0914d8e |
915 | } else if (*s == ' ' || *s == '\t') { |
916 | seenspace = 1; |
4633a7c4 |
917 | } |
918 | } |
c0c09dfd |
919 | |
491527d0 |
920 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
6b88bc9c |
921 | New(1303,PL_Argv, (s - cmd + 11) / 2, char*); |
922 | PL_Cmd = savepvn(cmd, s-cmd); |
923 | a = PL_Argv; |
924 | for (s = PL_Cmd; *s;) { |
4633a7c4 |
925 | while (*s && isSPACE(*s)) s++; |
926 | if (*s) |
927 | *(a++) = s; |
928 | while (*s && !isSPACE(*s)) s++; |
929 | if (*s) |
930 | *s++ = '\0'; |
931 | } |
932 | *a = Nullch; |
6b88bc9c |
933 | if (PL_Argv[0]) |
4435c477 |
934 | rc = do_spawn_ve(NULL, flag, execf, cmd, mergestderr); |
491527d0 |
935 | else |
4633a7c4 |
936 | rc = -1; |
2c2e0e8c |
937 | if (news) |
938 | Safefree(news); |
4633a7c4 |
939 | do_execfree(); |
940 | return rc; |
941 | } |
942 | |
4435c477 |
943 | /* Array spawn. */ |
944 | int |
945 | do_aspawn(really,mark,sp) |
946 | SV *really; |
947 | register SV **mark; |
948 | register SV **sp; |
949 | { |
950 | dTHR; |
951 | register char **a; |
952 | int rc; |
953 | int flag = P_WAIT, flag_set = 0; |
954 | STRLEN n_a; |
955 | |
956 | if (sp > mark) { |
957 | New(1301,PL_Argv, sp - mark + 3, char*); |
958 | a = PL_Argv; |
959 | |
960 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
961 | ++mark; |
962 | flag = SvIVx(*mark); |
963 | flag_set = 1; |
964 | |
965 | } |
966 | |
967 | while (++mark <= sp) { |
968 | if (*mark) |
969 | *a++ = SvPVx(*mark, n_a); |
970 | else |
971 | *a++ = ""; |
972 | } |
973 | *a = Nullch; |
974 | |
975 | if (flag_set && (a == PL_Argv + 1)) { /* One arg? */ |
976 | rc = do_spawn3(a[-1], EXECF_SPAWN_BYFLAG, flag); |
977 | } else |
978 | rc = do_spawn_ve(really, flag, EXECF_SPAWN, NULL, 0); |
979 | } else |
980 | rc = -1; |
981 | do_execfree(); |
982 | return rc; |
983 | } |
984 | |
760ac839 |
985 | int |
986 | do_spawn(cmd) |
987 | char *cmd; |
988 | { |
4435c477 |
989 | return do_spawn3(cmd, EXECF_SPAWN, 0); |
760ac839 |
990 | } |
991 | |
72ea3524 |
992 | int |
993 | do_spawn_nowait(cmd) |
994 | char *cmd; |
995 | { |
4435c477 |
996 | return do_spawn3(cmd, EXECF_SPAWN_NOWAIT,0); |
72ea3524 |
997 | } |
998 | |
760ac839 |
999 | bool |
1000 | do_exec(cmd) |
1001 | char *cmd; |
1002 | { |
4435c477 |
1003 | do_spawn3(cmd, EXECF_EXEC, 0); |
017f25f1 |
1004 | return FALSE; |
760ac839 |
1005 | } |
1006 | |
1007 | bool |
1008 | os2exec(cmd) |
1009 | char *cmd; |
1010 | { |
4435c477 |
1011 | return do_spawn3(cmd, EXECF_TRUEEXEC, 0); |
760ac839 |
1012 | } |
1013 | |
3bbf9c2b |
1014 | PerlIO * |
1015 | my_syspopen(cmd,mode) |
c0c09dfd |
1016 | char *cmd; |
1017 | char *mode; |
1018 | { |
72ea3524 |
1019 | #ifndef USE_POPEN |
1020 | |
1021 | int p[2]; |
1022 | register I32 this, that, newfd; |
1023 | register I32 pid, rc; |
3bbf9c2b |
1024 | PerlIO *res; |
1025 | SV *sv; |
5838269b |
1026 | int fh_fl; |
72ea3524 |
1027 | |
72ea3524 |
1028 | /* `this' is what we use in the parent, `that' in the child. */ |
1029 | this = (*mode == 'w'); |
1030 | that = !this; |
6b88bc9c |
1031 | if (PL_tainting) { |
72ea3524 |
1032 | taint_env(); |
1033 | taint_proper("Insecure %s%s", "EXEC"); |
1034 | } |
c2267164 |
1035 | if (pipe(p) < 0) |
1036 | return Nullfp; |
72ea3524 |
1037 | /* Now we need to spawn the child. */ |
5838269b |
1038 | if (p[this] == (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
1039 | int new = dup(p[this]); |
1040 | |
1041 | if (new == -1) |
1042 | goto closepipes; |
1043 | close(p[this]); |
1044 | p[this] = new; |
1045 | } |
72ea3524 |
1046 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
5838269b |
1047 | if (newfd == -1) { |
1048 | /* This cannot happen due to fh being bad after pipe(), since |
1049 | pipe() should have created fh 0 and 1 even if they were |
1050 | initially closed. But we closed p[this] before. */ |
1051 | if (errno != EBADF) { |
1052 | closepipes: |
1053 | close(p[0]); |
1054 | close(p[1]); |
1055 | return Nullfp; |
1056 | } |
1057 | } else |
1058 | fh_fl = fcntl(*mode == 'r', F_GETFD); |
1059 | if (p[that] != (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
72ea3524 |
1060 | dup2(p[that], *mode == 'r'); |
1061 | close(p[that]); |
1062 | } |
1063 | /* Where is `this' and newfd now? */ |
1064 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
5838269b |
1065 | if (newfd != -1) |
1066 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
72ea3524 |
1067 | pid = do_spawn_nowait(cmd); |
5838269b |
1068 | if (newfd == -1) |
1069 | close(*mode == 'r'); /* It was closed initially */ |
1070 | else if (newfd != (*mode == 'r')) { /* Probably this check is not needed */ |
72ea3524 |
1071 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
1072 | close(newfd); |
5838269b |
1073 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
1074 | } else |
1075 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
491527d0 |
1076 | if (p[that] == (*mode == 'r')) |
1077 | close(p[that]); |
72ea3524 |
1078 | if (pid == -1) { |
1079 | close(p[this]); |
5838269b |
1080 | return Nullfp; |
72ea3524 |
1081 | } |
5838269b |
1082 | if (p[that] < p[this]) { /* Make fh as small as possible */ |
72ea3524 |
1083 | dup2(p[this], p[that]); |
1084 | close(p[this]); |
1085 | p[this] = p[that]; |
1086 | } |
6b88bc9c |
1087 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
72ea3524 |
1088 | (void)SvUPGRADE(sv,SVt_IV); |
1089 | SvIVX(sv) = pid; |
6b88bc9c |
1090 | PL_forkprocess = pid; |
72ea3524 |
1091 | return PerlIO_fdopen(p[this], mode); |
3bbf9c2b |
1092 | |
72ea3524 |
1093 | #else /* USE_POPEN */ |
1094 | |
1095 | PerlIO *res; |
1096 | SV *sv; |
1097 | |
1098 | # ifdef TRYSHELL |
3bbf9c2b |
1099 | res = popen(cmd, mode); |
72ea3524 |
1100 | # else |
c0c09dfd |
1101 | char *shell = getenv("EMXSHELL"); |
3bbf9c2b |
1102 | |
6b88bc9c |
1103 | my_setenv("EMXSHELL", PL_sh_path); |
c0c09dfd |
1104 | res = popen(cmd, mode); |
1105 | my_setenv("EMXSHELL", shell); |
72ea3524 |
1106 | # endif |
6b88bc9c |
1107 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
3bbf9c2b |
1108 | (void)SvUPGRADE(sv,SVt_IV); |
1109 | SvIVX(sv) = -1; /* A cooky. */ |
1110 | return res; |
72ea3524 |
1111 | |
1112 | #endif /* USE_POPEN */ |
1113 | |
c0c09dfd |
1114 | } |
1115 | |
3bbf9c2b |
1116 | /******************************************************************/ |
4633a7c4 |
1117 | |
1118 | #ifndef HAS_FORK |
1119 | int |
1120 | fork(void) |
1121 | { |
4bfbfac5 |
1122 | croak(PL_no_func, "Unsupported function fork"); |
4633a7c4 |
1123 | errno = EINVAL; |
1124 | return -1; |
1125 | } |
1126 | #endif |
1127 | |
3bbf9c2b |
1128 | /*******************************************************************/ |
4633a7c4 |
1129 | /* not implemented in EMX 0.9a */ |
1130 | |
1131 | void * ctermid(x) { return 0; } |
eacfb5f1 |
1132 | |
1133 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
4633a7c4 |
1134 | void * ttyname(x) { return 0; } |
eacfb5f1 |
1135 | #endif |
4633a7c4 |
1136 | |
3bbf9c2b |
1137 | /******************************************************************/ |
760ac839 |
1138 | /* my socket forwarders - EMX lib only provides static forwarders */ |
1139 | |
1140 | static HMODULE htcp = 0; |
1141 | |
1142 | static void * |
1143 | tcp0(char *name) |
1144 | { |
1145 | static BYTE buf[20]; |
1146 | PFN fcn; |
55497cff |
1147 | |
1148 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1149 | if (!htcp) |
1150 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1151 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1152 | return (void *) ((void * (*)(void)) fcn) (); |
1153 | return 0; |
1154 | } |
1155 | |
1156 | static void |
1157 | tcp1(char *name, int arg) |
1158 | { |
1159 | static BYTE buf[20]; |
1160 | PFN fcn; |
55497cff |
1161 | |
1162 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1163 | if (!htcp) |
1164 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1165 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1166 | ((void (*)(int)) fcn) (arg); |
1167 | } |
1168 | |
1169 | void * gethostent() { return tcp0("GETHOSTENT"); } |
1170 | void * getnetent() { return tcp0("GETNETENT"); } |
1171 | void * getprotoent() { return tcp0("GETPROTOENT"); } |
1172 | void * getservent() { return tcp0("GETSERVENT"); } |
1173 | void sethostent(x) { tcp1("SETHOSTENT", x); } |
1174 | void setnetent(x) { tcp1("SETNETENT", x); } |
1175 | void setprotoent(x) { tcp1("SETPROTOENT", x); } |
1176 | void setservent(x) { tcp1("SETSERVENT", x); } |
1177 | void endhostent() { tcp0("ENDHOSTENT"); } |
1178 | void endnetent() { tcp0("ENDNETENT"); } |
1179 | void endprotoent() { tcp0("ENDPROTOENT"); } |
1180 | void endservent() { tcp0("ENDSERVENT"); } |
1181 | |
1182 | /*****************************************************************************/ |
1183 | /* not implemented in C Set++ */ |
1184 | |
1185 | #ifndef __EMX__ |
1186 | int setuid(x) { errno = EINVAL; return -1; } |
1187 | int setgid(x) { errno = EINVAL; return -1; } |
1188 | #endif |
4633a7c4 |
1189 | |
1190 | /*****************************************************************************/ |
1191 | /* stat() hack for char/block device */ |
1192 | |
1193 | #if OS2_STAT_HACK |
1194 | |
1195 | /* First attempt used DosQueryFSAttach which crashed the system when |
1196 | used with 5.001. Now just look for /dev/. */ |
1197 | |
1198 | int |
1199 | os2_stat(char *name, struct stat *st) |
1200 | { |
1201 | static int ino = SHRT_MAX; |
1202 | |
1203 | if (stricmp(name, "/dev/con") != 0 |
1204 | && stricmp(name, "/dev/tty") != 0) |
1205 | return stat(name, st); |
1206 | |
1207 | memset(st, 0, sizeof *st); |
1208 | st->st_mode = S_IFCHR|0666; |
1209 | st->st_ino = (ino-- & 0x7FFF); |
1210 | st->st_nlink = 1; |
1211 | return 0; |
1212 | } |
1213 | |
1214 | #endif |
c0c09dfd |
1215 | |
760ac839 |
1216 | #ifdef USE_PERL_SBRK |
c0c09dfd |
1217 | |
760ac839 |
1218 | /* SBRK() emulation, mostly moved to malloc.c. */ |
c0c09dfd |
1219 | |
1220 | void * |
760ac839 |
1221 | sys_alloc(int size) { |
1222 | void *got; |
1223 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
1224 | |
c0c09dfd |
1225 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
1226 | return (void *) -1; |
4bfbfac5 |
1227 | } else if ( rc ) |
1228 | croak("Got an error from DosAllocMem: %li", (long)rc); |
760ac839 |
1229 | return got; |
c0c09dfd |
1230 | } |
760ac839 |
1231 | |
1232 | #endif /* USE_PERL_SBRK */ |
c0c09dfd |
1233 | |
1234 | /* tmp path */ |
1235 | |
1236 | char *tmppath = TMPPATH1; |
1237 | |
1238 | void |
1239 | settmppath() |
1240 | { |
1241 | char *p = getenv("TMP"), *tpath; |
1242 | int len; |
1243 | |
1244 | if (!p) p = getenv("TEMP"); |
1245 | if (!p) return; |
1246 | len = strlen(p); |
1247 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
db7c17d7 |
1248 | if (tpath) { |
1249 | strcpy(tpath, p); |
1250 | tpath[len] = '/'; |
1251 | strcpy(tpath + len + 1, TMPPATH1); |
1252 | tmppath = tpath; |
1253 | } |
c0c09dfd |
1254 | } |
7a2f0d5b |
1255 | |
1256 | #include "XSUB.h" |
1257 | |
1258 | XS(XS_File__Copy_syscopy) |
1259 | { |
1260 | dXSARGS; |
1261 | if (items < 2 || items > 3) |
1262 | croak("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
1263 | { |
2d8e6c8d |
1264 | STRLEN n_a; |
1265 | char * src = (char *)SvPV(ST(0),n_a); |
1266 | char * dst = (char *)SvPV(ST(1),n_a); |
7a2f0d5b |
1267 | U32 flag; |
1268 | int RETVAL, rc; |
1269 | |
1270 | if (items < 3) |
1271 | flag = 0; |
1272 | else { |
1273 | flag = (unsigned long)SvIV(ST(2)); |
1274 | } |
1275 | |
6f064249 |
1276 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
7a2f0d5b |
1277 | ST(0) = sv_newmortal(); |
1278 | sv_setiv(ST(0), (IV)RETVAL); |
1279 | } |
1280 | XSRETURN(1); |
1281 | } |
1282 | |
017f25f1 |
1283 | #include "patchlevel.h" |
1284 | |
6f064249 |
1285 | char * |
1286 | mod2fname(sv) |
1287 | SV *sv; |
1288 | { |
1289 | static char fname[9]; |
760ac839 |
1290 | int pos = 6, len, avlen; |
1291 | unsigned int sum = 0; |
6f064249 |
1292 | AV *av; |
1293 | SV *svp; |
1294 | char *s; |
2d8e6c8d |
1295 | STRLEN n_a; |
6f064249 |
1296 | |
1297 | if (!SvROK(sv)) croak("Not a reference given to mod2fname"); |
1298 | sv = SvRV(sv); |
1299 | if (SvTYPE(sv) != SVt_PVAV) |
1300 | croak("Not array reference given to mod2fname"); |
760ac839 |
1301 | |
1302 | avlen = av_len((AV*)sv); |
1303 | if (avlen < 0) |
6f064249 |
1304 | croak("Empty array reference given to mod2fname"); |
760ac839 |
1305 | |
2d8e6c8d |
1306 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
6f064249 |
1307 | strncpy(fname, s, 8); |
760ac839 |
1308 | len = strlen(s); |
1309 | if (len < 6) pos = len; |
1310 | while (*s) { |
1311 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
1312 | * get the capitalization into c.s. */ |
1313 | } |
1314 | avlen --; |
1315 | while (avlen >= 0) { |
2d8e6c8d |
1316 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
760ac839 |
1317 | while (*s) { |
1318 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
1319 | } |
1320 | avlen --; |
1321 | } |
3aefca04 |
1322 | #ifdef USE_THREADS |
1323 | sum++; /* Avoid conflict of DLLs in memory. */ |
1324 | #endif |
cceca5ed |
1325 | sum += PERL_VERSION * 200 + PERL_SUBVERSION * 2; /* */ |
760ac839 |
1326 | fname[pos] = 'A' + (sum % 26); |
1327 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
1328 | fname[pos + 2] = '\0'; |
6f064249 |
1329 | return (char *)fname; |
1330 | } |
1331 | |
1332 | XS(XS_DynaLoader_mod2fname) |
1333 | { |
1334 | dXSARGS; |
1335 | if (items != 1) |
1336 | croak("Usage: DynaLoader::mod2fname(sv)"); |
1337 | { |
1338 | SV * sv = ST(0); |
1339 | char * RETVAL; |
1340 | |
1341 | RETVAL = mod2fname(sv); |
1342 | ST(0) = sv_newmortal(); |
1343 | sv_setpv((SV*)ST(0), RETVAL); |
1344 | } |
1345 | XSRETURN(1); |
1346 | } |
1347 | |
1348 | char * |
1349 | os2error(int rc) |
1350 | { |
1351 | static char buf[300]; |
1352 | ULONG len; |
1353 | |
55497cff |
1354 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
6f064249 |
1355 | if (rc == 0) |
1356 | return NULL; |
1357 | if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, rc, "OSO001.MSG", &len)) |
1358 | sprintf(buf, "OS/2 system error code %d=0x%x", rc, rc); |
1359 | else |
1360 | buf[len] = '\0'; |
017f25f1 |
1361 | if (len > 0 && buf[len - 1] == '\n') |
1362 | buf[len - 1] = '\0'; |
1363 | if (len > 1 && buf[len - 2] == '\r') |
1364 | buf[len - 2] = '\0'; |
1365 | if (len > 2 && buf[len - 3] == '.') |
1366 | buf[len - 3] = '\0'; |
6f064249 |
1367 | return buf; |
1368 | } |
1369 | |
760ac839 |
1370 | char * |
1371 | perllib_mangle(char *s, unsigned int l) |
1372 | { |
1373 | static char *newp, *oldp; |
1374 | static int newl, oldl, notfound; |
1375 | static char ret[STATIC_FILE_LENGTH+1]; |
1376 | |
1377 | if (!newp && !notfound) { |
1378 | newp = getenv("PERLLIB_PREFIX"); |
1379 | if (newp) { |
ff68c719 |
1380 | char *s; |
1381 | |
760ac839 |
1382 | oldp = newp; |
89078e0f |
1383 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
760ac839 |
1384 | newp++; oldl++; /* Skip digits. */ |
1385 | } |
1386 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
1387 | newp++; /* Skip whitespace. */ |
1388 | } |
1389 | newl = strlen(newp); |
1390 | if (newl == 0 || oldl == 0) { |
4bfbfac5 |
1391 | croak("Malformed PERLLIB_PREFIX"); |
760ac839 |
1392 | } |
ff68c719 |
1393 | strcpy(ret, newp); |
1394 | s = ret; |
1395 | while (*s) { |
1396 | if (*s == '\\') *s = '/'; |
1397 | s++; |
1398 | } |
760ac839 |
1399 | } else { |
1400 | notfound = 1; |
1401 | } |
1402 | } |
1403 | if (!newp) { |
1404 | return s; |
1405 | } |
1406 | if (l == 0) { |
1407 | l = strlen(s); |
1408 | } |
3bbf9c2b |
1409 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
760ac839 |
1410 | return s; |
1411 | } |
1412 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
4bfbfac5 |
1413 | croak("Malformed PERLLIB_PREFIX"); |
760ac839 |
1414 | } |
89078e0f |
1415 | strcpy(ret + newl, s + oldl); |
760ac839 |
1416 | return ret; |
1417 | } |
6f064249 |
1418 | |
4bfbfac5 |
1419 | unsigned long |
1420 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
1421 | { |
1422 | return perl_hab_GET(); |
1423 | } |
1424 | |
1425 | HMQ |
1426 | Perl_Register_MQ(int serve) |
1427 | { |
1428 | PPIB pib; |
1429 | PTIB tib; |
1430 | |
1431 | if (Perl_os2_initial_mode++) |
1432 | return Perl_hmq; |
1433 | DosGetInfoBlocks(&tib, &pib); |
1434 | Perl_os2_initial_mode = pib->pib_ultype; |
1435 | Perl_hmq_refcnt = 1; |
1436 | /* Try morphing into a PM application. */ |
1437 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
1438 | pib->pib_ultype = 3; /* 3 is PM */ |
1439 | init_PMWIN_entries(); |
1440 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
1441 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
1442 | if (!Perl_hmq) { |
1443 | static int cnt; |
1444 | if (cnt++) |
1445 | _exit(188); /* Panic can try to create a window. */ |
1446 | croak("Cannot create a message queue, or morph to a PM application"); |
1447 | } |
1448 | return Perl_hmq; |
1449 | } |
1450 | |
1451 | int |
1452 | Perl_Serve_Messages(int force) |
1453 | { |
1454 | int cnt = 0; |
1455 | QMSG msg; |
1456 | |
1457 | if (Perl_hmq_servers && !force) |
1458 | return 0; |
1459 | if (!Perl_hmq_refcnt) |
1460 | croak("No message queue"); |
1461 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
1462 | cnt++; |
1463 | if (msg.msg == WM_QUIT) |
1464 | croak("QUITing..."); |
1465 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1466 | } |
1467 | return cnt; |
1468 | } |
1469 | |
1470 | int |
1471 | Perl_Process_Messages(int force, I32 *cntp) |
1472 | { |
1473 | QMSG msg; |
1474 | |
1475 | if (Perl_hmq_servers && !force) |
1476 | return 0; |
1477 | if (!Perl_hmq_refcnt) |
1478 | croak("No message queue"); |
1479 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
1480 | if (cntp) |
1481 | (*cntp)++; |
1482 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1483 | if (msg.msg == WM_DESTROY) |
1484 | return -1; |
1485 | if (msg.msg == WM_CREATE) |
1486 | return +1; |
1487 | } |
1488 | croak("QUITing..."); |
1489 | } |
1490 | |
1491 | void |
1492 | Perl_Deregister_MQ(int serve) |
1493 | { |
1494 | PPIB pib; |
1495 | PTIB tib; |
1496 | |
1497 | if (--Perl_hmq_refcnt == 0) { |
1498 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
1499 | Perl_hmq = 0; |
1500 | /* Try morphing back from a PM application. */ |
1501 | if (pib->pib_ultype == 3) /* 3 is PM */ |
1502 | pib->pib_ultype = Perl_os2_initial_mode; |
1503 | else |
1504 | warn("Unexpected program mode %d when morphing back from PM", |
1505 | pib->pib_ultype); |
1506 | } |
1507 | } |
1508 | |
6f064249 |
1509 | extern void dlopen(); |
1510 | void *fakedl = &dlopen; /* Pull in dynaloading part. */ |
3bbf9c2b |
1511 | |
1512 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
1513 | && ((path)[2] == '/' || (path)[2] == '\\')) |
1514 | #define sys_is_rooted _fnisabs |
1515 | #define sys_is_relative _fnisrel |
1516 | #define current_drive _getdrive |
1517 | |
1518 | #undef chdir /* Was _chdir2. */ |
1519 | #define sys_chdir(p) (chdir(p) == 0) |
1520 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
1521 | |
4bfbfac5 |
1522 | static int DOS_harderr_state = -1; |
1523 | |
1524 | XS(XS_OS2_Error) |
1525 | { |
1526 | dXSARGS; |
1527 | if (items != 2) |
1528 | croak("Usage: OS2::Error(harderr, exception)"); |
1529 | { |
1530 | int arg1 = SvIV(ST(0)); |
1531 | int arg2 = SvIV(ST(1)); |
1532 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
1533 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
1534 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
1535 | unsigned long rc; |
1536 | |
1537 | if (CheckOSError(DosError(a))) |
1538 | croak("DosError(%d) failed", a); |
1539 | ST(0) = sv_newmortal(); |
1540 | if (DOS_harderr_state >= 0) |
1541 | sv_setiv(ST(0), DOS_harderr_state); |
1542 | DOS_harderr_state = RETVAL; |
1543 | } |
1544 | XSRETURN(1); |
1545 | } |
1546 | |
1547 | static signed char DOS_suppression_state = -1; |
1548 | |
1549 | XS(XS_OS2_Errors2Drive) |
1550 | { |
1551 | dXSARGS; |
1552 | if (items != 1) |
1553 | croak("Usage: OS2::Errors2Drive(drive)"); |
1554 | { |
2d8e6c8d |
1555 | STRLEN n_a; |
4bfbfac5 |
1556 | SV *sv = ST(0); |
1557 | int suppress = SvOK(sv); |
2d8e6c8d |
1558 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
4bfbfac5 |
1559 | char drive = (s ? *s : 0); |
1560 | unsigned long rc; |
1561 | |
1562 | if (suppress && !isALPHA(drive)) |
1563 | croak("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
1564 | if (CheckOSError(DosSuppressPopUps((suppress |
1565 | ? SPU_ENABLESUPPRESSION |
1566 | : SPU_DISABLESUPPRESSION), |
1567 | drive))) |
1568 | croak("DosSuppressPopUps(%c) failed", drive); |
1569 | ST(0) = sv_newmortal(); |
1570 | if (DOS_suppression_state > 0) |
1571 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
1572 | else if (DOS_suppression_state == 0) |
1573 | sv_setpvn(ST(0), "", 0); |
1574 | DOS_suppression_state = drive; |
1575 | } |
1576 | XSRETURN(1); |
1577 | } |
1578 | |
1579 | static const char * const si_fields[QSV_MAX] = { |
1580 | "MAX_PATH_LENGTH", |
1581 | "MAX_TEXT_SESSIONS", |
1582 | "MAX_PM_SESSIONS", |
1583 | "MAX_VDM_SESSIONS", |
1584 | "BOOT_DRIVE", |
1585 | "DYN_PRI_VARIATION", |
1586 | "MAX_WAIT", |
1587 | "MIN_SLICE", |
1588 | "MAX_SLICE", |
1589 | "PAGE_SIZE", |
1590 | "VERSION_MAJOR", |
1591 | "VERSION_MINOR", |
1592 | "VERSION_REVISION", |
1593 | "MS_COUNT", |
1594 | "TIME_LOW", |
1595 | "TIME_HIGH", |
1596 | "TOTPHYSMEM", |
1597 | "TOTRESMEM", |
1598 | "TOTAVAILMEM", |
1599 | "MAXPRMEM", |
1600 | "MAXSHMEM", |
1601 | "TIMER_INTERVAL", |
1602 | "MAX_COMP_LENGTH", |
1603 | "FOREGROUND_FS_SESSION", |
1604 | "FOREGROUND_PROCESS" |
1605 | }; |
1606 | |
1607 | XS(XS_OS2_SysInfo) |
1608 | { |
1609 | dXSARGS; |
1610 | if (items != 0) |
1611 | croak("Usage: OS2::SysInfo()"); |
1612 | { |
1613 | ULONG si[QSV_MAX] = {0}; /* System Information Data Buffer */ |
1614 | APIRET rc = NO_ERROR; /* Return code */ |
1615 | int i = 0, j = 0; |
1616 | |
1617 | if (CheckOSError(DosQuerySysInfo(1L, /* Request all available system */ |
1618 | QSV_MAX, /* information */ |
1619 | (PVOID)si, |
1620 | sizeof(si)))) |
1621 | croak("DosQuerySysInfo() failed"); |
1622 | EXTEND(SP,2*QSV_MAX); |
1623 | while (i < QSV_MAX) { |
1624 | ST(j) = sv_newmortal(); |
1625 | sv_setpv(ST(j++), si_fields[i]); |
1626 | ST(j) = sv_newmortal(); |
1627 | sv_setiv(ST(j++), si[i]); |
1628 | i++; |
1629 | } |
1630 | } |
1631 | XSRETURN(2 * QSV_MAX); |
1632 | } |
1633 | |
1634 | XS(XS_OS2_BootDrive) |
1635 | { |
1636 | dXSARGS; |
1637 | if (items != 0) |
1638 | croak("Usage: OS2::BootDrive()"); |
1639 | { |
1640 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
1641 | APIRET rc = NO_ERROR; /* Return code */ |
1642 | char c; |
1643 | |
1644 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
1645 | (PVOID)si, sizeof(si)))) |
1646 | croak("DosQuerySysInfo() failed"); |
1647 | ST(0) = sv_newmortal(); |
1648 | c = 'a' - 1 + si[0]; |
1649 | sv_setpvn(ST(0), &c, 1); |
1650 | } |
1651 | XSRETURN(1); |
1652 | } |
1653 | |
1654 | XS(XS_OS2_MorphPM) |
1655 | { |
1656 | dXSARGS; |
1657 | if (items != 1) |
1658 | croak("Usage: OS2::MorphPM(serve)"); |
1659 | { |
1660 | bool serve = SvOK(ST(0)); |
1661 | unsigned long pmq = perl_hmq_GET(serve); |
1662 | |
1663 | ST(0) = sv_newmortal(); |
1664 | sv_setiv(ST(0), pmq); |
1665 | } |
1666 | XSRETURN(1); |
1667 | } |
1668 | |
1669 | XS(XS_OS2_UnMorphPM) |
1670 | { |
1671 | dXSARGS; |
1672 | if (items != 1) |
1673 | croak("Usage: OS2::UnMorphPM(serve)"); |
1674 | { |
1675 | bool serve = SvOK(ST(0)); |
1676 | |
1677 | perl_hmq_UNSET(serve); |
1678 | } |
1679 | XSRETURN(0); |
1680 | } |
1681 | |
1682 | XS(XS_OS2_Serve_Messages) |
1683 | { |
1684 | dXSARGS; |
1685 | if (items != 1) |
1686 | croak("Usage: OS2::Serve_Messages(force)"); |
1687 | { |
1688 | bool force = SvOK(ST(0)); |
1689 | unsigned long cnt = Perl_Serve_Messages(force); |
1690 | |
1691 | ST(0) = sv_newmortal(); |
1692 | sv_setiv(ST(0), cnt); |
1693 | } |
1694 | XSRETURN(1); |
1695 | } |
1696 | |
1697 | XS(XS_OS2_Process_Messages) |
1698 | { |
1699 | dXSARGS; |
1700 | if (items < 1 || items > 2) |
1701 | croak("Usage: OS2::Process_Messages(force [, cnt])"); |
1702 | { |
1703 | bool force = SvOK(ST(0)); |
1704 | unsigned long cnt; |
1705 | I32 *cntp = NULL; |
1706 | |
1707 | if (items == 2) { |
1708 | SV *sv = ST(1); |
1709 | int fake = SvIV(sv); /* Force SvIVX */ |
1710 | |
1711 | if (!SvIOK(sv)) |
1712 | croak("Can't upgrade count to IV"); |
1713 | cntp = &SvIVX(sv); |
1714 | } |
1715 | cnt = Perl_Process_Messages(force, cntp); |
1716 | ST(0) = sv_newmortal(); |
1717 | sv_setiv(ST(0), cnt); |
1718 | } |
1719 | XSRETURN(1); |
1720 | } |
1721 | |
3bbf9c2b |
1722 | XS(XS_Cwd_current_drive) |
1723 | { |
1724 | dXSARGS; |
1725 | if (items != 0) |
1726 | croak("Usage: Cwd::current_drive()"); |
1727 | { |
1728 | char RETVAL; |
1729 | |
1730 | RETVAL = current_drive(); |
1731 | ST(0) = sv_newmortal(); |
1732 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
1733 | } |
1734 | XSRETURN(1); |
1735 | } |
1736 | |
1737 | XS(XS_Cwd_sys_chdir) |
1738 | { |
1739 | dXSARGS; |
1740 | if (items != 1) |
1741 | croak("Usage: Cwd::sys_chdir(path)"); |
1742 | { |
2d8e6c8d |
1743 | STRLEN n_a; |
1744 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1745 | bool RETVAL; |
1746 | |
1747 | RETVAL = sys_chdir(path); |
54310121 |
1748 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1749 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1750 | } |
1751 | XSRETURN(1); |
1752 | } |
1753 | |
1754 | XS(XS_Cwd_change_drive) |
1755 | { |
1756 | dXSARGS; |
1757 | if (items != 1) |
1758 | croak("Usage: Cwd::change_drive(d)"); |
1759 | { |
2d8e6c8d |
1760 | STRLEN n_a; |
1761 | char d = (char)*SvPV(ST(0),n_a); |
3bbf9c2b |
1762 | bool RETVAL; |
1763 | |
1764 | RETVAL = change_drive(d); |
54310121 |
1765 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1766 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1767 | } |
1768 | XSRETURN(1); |
1769 | } |
1770 | |
1771 | XS(XS_Cwd_sys_is_absolute) |
1772 | { |
1773 | dXSARGS; |
1774 | if (items != 1) |
1775 | croak("Usage: Cwd::sys_is_absolute(path)"); |
1776 | { |
2d8e6c8d |
1777 | STRLEN n_a; |
1778 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1779 | bool RETVAL; |
1780 | |
1781 | RETVAL = sys_is_absolute(path); |
54310121 |
1782 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1783 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1784 | } |
1785 | XSRETURN(1); |
1786 | } |
1787 | |
1788 | XS(XS_Cwd_sys_is_rooted) |
1789 | { |
1790 | dXSARGS; |
1791 | if (items != 1) |
1792 | croak("Usage: Cwd::sys_is_rooted(path)"); |
1793 | { |
2d8e6c8d |
1794 | STRLEN n_a; |
1795 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1796 | bool RETVAL; |
1797 | |
1798 | RETVAL = sys_is_rooted(path); |
54310121 |
1799 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1800 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1801 | } |
1802 | XSRETURN(1); |
1803 | } |
1804 | |
1805 | XS(XS_Cwd_sys_is_relative) |
1806 | { |
1807 | dXSARGS; |
1808 | if (items != 1) |
1809 | croak("Usage: Cwd::sys_is_relative(path)"); |
1810 | { |
2d8e6c8d |
1811 | STRLEN n_a; |
1812 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1813 | bool RETVAL; |
1814 | |
1815 | RETVAL = sys_is_relative(path); |
54310121 |
1816 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1817 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1818 | } |
1819 | XSRETURN(1); |
1820 | } |
1821 | |
1822 | XS(XS_Cwd_sys_cwd) |
1823 | { |
1824 | dXSARGS; |
1825 | if (items != 0) |
1826 | croak("Usage: Cwd::sys_cwd()"); |
1827 | { |
1828 | char p[MAXPATHLEN]; |
1829 | char * RETVAL; |
1830 | RETVAL = _getcwd2(p, MAXPATHLEN); |
1831 | ST(0) = sv_newmortal(); |
1832 | sv_setpv((SV*)ST(0), RETVAL); |
1833 | } |
1834 | XSRETURN(1); |
1835 | } |
1836 | |
1837 | XS(XS_Cwd_sys_abspath) |
1838 | { |
1839 | dXSARGS; |
1840 | if (items < 1 || items > 2) |
1841 | croak("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
1842 | { |
2d8e6c8d |
1843 | STRLEN n_a; |
1844 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1845 | char * dir; |
1846 | char p[MAXPATHLEN]; |
1847 | char * RETVAL; |
1848 | |
1849 | if (items < 2) |
1850 | dir = NULL; |
1851 | else { |
2d8e6c8d |
1852 | dir = (char *)SvPV(ST(1),n_a); |
3bbf9c2b |
1853 | } |
1854 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
1855 | path += 2; |
1856 | } |
1857 | if (dir == NULL) { |
1858 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1859 | RETVAL = p; |
1860 | } else { |
1861 | RETVAL = NULL; |
1862 | } |
1863 | } else { |
1864 | /* Absolute with drive: */ |
1865 | if ( sys_is_absolute(path) ) { |
1866 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1867 | RETVAL = p; |
1868 | } else { |
1869 | RETVAL = NULL; |
1870 | } |
1871 | } else if (path[0] == '/' || path[0] == '\\') { |
1872 | /* Rooted, but maybe on different drive. */ |
1873 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
1874 | char p1[MAXPATHLEN]; |
1875 | |
1876 | /* Need to prepend the drive. */ |
1877 | p1[0] = dir[0]; |
1878 | p1[1] = dir[1]; |
1879 | Copy(path, p1 + 2, strlen(path) + 1, char); |
1880 | RETVAL = p; |
1881 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1882 | RETVAL = p; |
1883 | } else { |
1884 | RETVAL = NULL; |
1885 | } |
1886 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1887 | RETVAL = p; |
1888 | } else { |
1889 | RETVAL = NULL; |
1890 | } |
1891 | } else { |
1892 | /* Either path is relative, or starts with a drive letter. */ |
1893 | /* If the path starts with a drive letter, then dir is |
1894 | relevant only if |
1895 | a/b) it is absolute/x:relative on the same drive. |
1896 | c) path is on current drive, and dir is rooted |
1897 | In all the cases it is safe to drop the drive part |
1898 | of the path. */ |
1899 | if ( !sys_is_relative(path) ) { |
1900 | int is_drived; |
1901 | |
1902 | if ( ( ( sys_is_absolute(dir) |
1903 | || (isALPHA(dir[0]) && dir[1] == ':' |
1904 | && strnicmp(dir, path,1) == 0)) |
1905 | && strnicmp(dir, path,1) == 0) |
1906 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
1907 | && toupper(path[0]) == current_drive())) { |
1908 | path += 2; |
1909 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1910 | RETVAL = p; goto done; |
1911 | } else { |
1912 | RETVAL = NULL; goto done; |
1913 | } |
1914 | } |
1915 | { |
1916 | /* Need to prepend the absolute path of dir. */ |
1917 | char p1[MAXPATHLEN]; |
1918 | |
1919 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
1920 | int l = strlen(p1); |
1921 | |
1922 | if (p1[ l - 1 ] != '/') { |
1923 | p1[ l ] = '/'; |
1924 | l++; |
1925 | } |
1926 | Copy(path, p1 + l, strlen(path) + 1, char); |
1927 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1928 | RETVAL = p; |
1929 | } else { |
1930 | RETVAL = NULL; |
1931 | } |
1932 | } else { |
1933 | RETVAL = NULL; |
1934 | } |
1935 | } |
1936 | done: |
1937 | } |
1938 | } |
1939 | ST(0) = sv_newmortal(); |
1940 | sv_setpv((SV*)ST(0), RETVAL); |
1941 | } |
1942 | XSRETURN(1); |
1943 | } |
72ea3524 |
1944 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
1945 | |
1946 | APIRET |
1947 | ExtLIBPATH(ULONG ord, PSZ path, ULONG type) |
1948 | { |
4bfbfac5 |
1949 | loadByOrd("doscalls",ord); /* Guarantied to load or die! */ |
72ea3524 |
1950 | return (*(PELP)ExtFCN[ord])(path, type); |
1951 | } |
3bbf9c2b |
1952 | |
72ea3524 |
1953 | #define extLibpath(type) \ |
1954 | (CheckOSError(ExtLIBPATH(ORD_QUERY_ELP, to, ((type) ? END_LIBPATH \ |
1955 | : BEGIN_LIBPATH))) \ |
3bbf9c2b |
1956 | ? NULL : to ) |
1957 | |
1958 | #define extLibpath_set(p,type) \ |
72ea3524 |
1959 | (!CheckOSError(ExtLIBPATH(ORD_SET_ELP, (p), ((type) ? END_LIBPATH \ |
1960 | : BEGIN_LIBPATH)))) |
3bbf9c2b |
1961 | |
1962 | XS(XS_Cwd_extLibpath) |
1963 | { |
1964 | dXSARGS; |
1965 | if (items < 0 || items > 1) |
1966 | croak("Usage: Cwd::extLibpath(type = 0)"); |
1967 | { |
1968 | bool type; |
1969 | char to[1024]; |
1970 | U32 rc; |
1971 | char * RETVAL; |
1972 | |
1973 | if (items < 1) |
1974 | type = 0; |
1975 | else { |
1976 | type = (int)SvIV(ST(0)); |
1977 | } |
1978 | |
1979 | RETVAL = extLibpath(type); |
1980 | ST(0) = sv_newmortal(); |
1981 | sv_setpv((SV*)ST(0), RETVAL); |
1982 | } |
1983 | XSRETURN(1); |
1984 | } |
1985 | |
1986 | XS(XS_Cwd_extLibpath_set) |
1987 | { |
1988 | dXSARGS; |
1989 | if (items < 1 || items > 2) |
1990 | croak("Usage: Cwd::extLibpath_set(s, type = 0)"); |
1991 | { |
2d8e6c8d |
1992 | STRLEN n_a; |
1993 | char * s = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1994 | bool type; |
1995 | U32 rc; |
1996 | bool RETVAL; |
1997 | |
1998 | if (items < 2) |
1999 | type = 0; |
2000 | else { |
2001 | type = (int)SvIV(ST(1)); |
2002 | } |
2003 | |
2004 | RETVAL = extLibpath_set(s, type); |
54310121 |
2005 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2006 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2007 | } |
2008 | XSRETURN(1); |
2009 | } |
2010 | |
2011 | int |
2012 | Xs_OS2_init() |
2013 | { |
2014 | char *file = __FILE__; |
2015 | { |
2016 | GV *gv; |
55497cff |
2017 | |
2018 | if (_emx_env & 0x200) { /* OS/2 */ |
2019 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
2020 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
2021 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
2022 | } |
4bfbfac5 |
2023 | newXS("OS2::Error", XS_OS2_Error, file); |
2024 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
2025 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
2026 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
2027 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
2028 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
2029 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
2030 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
3bbf9c2b |
2031 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
2032 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
2033 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
2034 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
2035 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
2036 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
2037 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
2038 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
2039 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
3bbf9c2b |
2040 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
2041 | GvMULTI_on(gv); |
2042 | #ifdef PERL_IS_AOUT |
2043 | sv_setiv(GvSV(gv), 1); |
2044 | #endif |
4bfbfac5 |
2045 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
2046 | GvMULTI_on(gv); |
2047 | sv_setiv(GvSV(gv), _emx_rev); |
2048 | sv_setpv(GvSV(gv), _emx_vprt); |
2049 | SvIOK_on(GvSV(gv)); |
2050 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
2051 | GvMULTI_on(gv); |
2052 | sv_setiv(GvSV(gv), _emx_env); |
2053 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
2054 | GvMULTI_on(gv); |
2055 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
3bbf9c2b |
2056 | } |
2057 | } |
2058 | |
2059 | OS2_Perl_data_t OS2_Perl_data; |
2060 | |
2061 | void |
aa689395 |
2062 | Perl_OS2_init(char **env) |
3bbf9c2b |
2063 | { |
2064 | char *shell; |
2065 | |
18f739ee |
2066 | MALLOC_INIT; |
3bbf9c2b |
2067 | settmppath(); |
2068 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
28743a51 |
2069 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
aa689395 |
2070 | if (environ == NULL) { |
2071 | environ = env; |
2072 | } |
3bbf9c2b |
2073 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
6b88bc9c |
2074 | New(1304, PL_sh_path, strlen(SH_PATH) + 1, char); |
2075 | strcpy(PL_sh_path, SH_PATH); |
2076 | PL_sh_path[0] = shell[0]; |
3bbf9c2b |
2077 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
ff68c719 |
2078 | int l = strlen(shell), i; |
3bbf9c2b |
2079 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
2080 | l--; |
2081 | } |
6b88bc9c |
2082 | New(1304, PL_sh_path, l + 8, char); |
2083 | strncpy(PL_sh_path, shell, l); |
2084 | strcpy(PL_sh_path + l, "/sh.exe"); |
ff68c719 |
2085 | for (i = 0; i < l; i++) { |
6b88bc9c |
2086 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
ff68c719 |
2087 | } |
3bbf9c2b |
2088 | } |
dd96f567 |
2089 | MUTEX_INIT(&start_thread_mutex); |
017f25f1 |
2090 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
3bbf9c2b |
2091 | } |
2092 | |
55497cff |
2093 | #undef tmpnam |
2094 | #undef tmpfile |
2095 | |
2096 | char * |
2097 | my_tmpnam (char *str) |
2098 | { |
2099 | char *p = getenv("TMP"), *tpath; |
2100 | int len; |
2101 | |
2102 | if (!p) p = getenv("TEMP"); |
2103 | tpath = tempnam(p, "pltmp"); |
2104 | if (str && tpath) { |
2105 | strcpy(str, tpath); |
2106 | return str; |
2107 | } |
2108 | return tpath; |
2109 | } |
2110 | |
2111 | FILE * |
2112 | my_tmpfile () |
2113 | { |
2114 | struct stat s; |
2115 | |
2116 | stat(".", &s); |
2117 | if (s.st_mode & S_IWOTH) { |
2118 | return tmpfile(); |
2119 | } |
2120 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
2121 | grants TMP. */ |
2122 | } |
367f3c24 |
2123 | |
2124 | #undef flock |
2125 | |
2126 | /* This code was contributed by Rocco Caputo. */ |
2127 | int |
dd96f567 |
2128 | my_flock(int handle, int o) |
367f3c24 |
2129 | { |
2130 | FILELOCK rNull, rFull; |
2131 | ULONG timeout, handle_type, flag_word; |
2132 | APIRET rc; |
2133 | int blocking, shared; |
2134 | static int use_my = -1; |
2135 | |
2136 | if (use_my == -1) { |
2137 | char *s = getenv("USE_PERL_FLOCK"); |
2138 | if (s) |
2139 | use_my = atoi(s); |
2140 | else |
2141 | use_my = 1; |
2142 | } |
2143 | if (!(_emx_env & 0x200) || !use_my) |
dd96f567 |
2144 | return flock(handle, o); /* Delegate to EMX. */ |
367f3c24 |
2145 | |
2146 | // is this a file? |
2147 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
2148 | (handle_type & 0xFF)) |
2149 | { |
2150 | errno = EBADF; |
2151 | return -1; |
2152 | } |
2153 | // set lock/unlock ranges |
2154 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
2155 | rFull.lRange = 0x7FFFFFFF; |
2156 | // set timeout for blocking |
dd96f567 |
2157 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
367f3c24 |
2158 | // shared or exclusive? |
dd96f567 |
2159 | shared = (o & LOCK_SH) ? 1 : 0; |
367f3c24 |
2160 | // do not block the unlock |
dd96f567 |
2161 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
367f3c24 |
2162 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
2163 | switch (rc) { |
2164 | case 0: |
2165 | errno = 0; |
2166 | return 0; |
2167 | case ERROR_INVALID_HANDLE: |
2168 | errno = EBADF; |
2169 | return -1; |
2170 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2171 | errno = ENOLCK; |
2172 | return -1; |
2173 | case ERROR_LOCK_VIOLATION: |
2174 | break; // not an error |
2175 | case ERROR_INVALID_PARAMETER: |
2176 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2177 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2178 | errno = EINVAL; |
2179 | return -1; |
2180 | case ERROR_INTERRUPT: |
2181 | errno = EINTR; |
2182 | return -1; |
2183 | default: |
2184 | errno = EINVAL; |
2185 | return -1; |
2186 | } |
2187 | } |
2188 | // lock may block |
dd96f567 |
2189 | if (o & (LOCK_SH | LOCK_EX)) { |
367f3c24 |
2190 | // for blocking operations |
2191 | for (;;) { |
2192 | rc = |
2193 | DosSetFileLocks( |
2194 | handle, |
2195 | &rNull, |
2196 | &rFull, |
2197 | timeout, |
2198 | shared |
2199 | ); |
2200 | switch (rc) { |
2201 | case 0: |
2202 | errno = 0; |
2203 | return 0; |
2204 | case ERROR_INVALID_HANDLE: |
2205 | errno = EBADF; |
2206 | return -1; |
2207 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2208 | errno = ENOLCK; |
2209 | return -1; |
2210 | case ERROR_LOCK_VIOLATION: |
2211 | if (!blocking) { |
2212 | errno = EWOULDBLOCK; |
2213 | return -1; |
2214 | } |
2215 | break; |
2216 | case ERROR_INVALID_PARAMETER: |
2217 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2218 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2219 | errno = EINVAL; |
2220 | return -1; |
2221 | case ERROR_INTERRUPT: |
2222 | errno = EINTR; |
2223 | return -1; |
2224 | default: |
2225 | errno = EINVAL; |
2226 | return -1; |
2227 | } |
2228 | // give away timeslice |
2229 | DosSleep(1); |
2230 | } |
2231 | } |
2232 | |
2233 | errno = 0; |
2234 | return 0; |
2235 | } |