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 |
415 | |
017f25f1 |
416 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
417 | |
418 | static int |
419 | my_type() |
420 | { |
421 | int rc; |
422 | TIB *tib; |
423 | PIB *pib; |
424 | |
425 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
426 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
427 | return -1; |
428 | |
429 | return (pib->pib_ultype); |
430 | } |
431 | |
432 | static ULONG |
433 | file_type(char *path) |
434 | { |
435 | int rc; |
436 | ULONG apptype; |
437 | |
438 | if (!(_emx_env & 0x200)) |
439 | croak("file_type not implemented on DOS"); /* not OS/2. */ |
440 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
441 | switch (rc) { |
442 | case ERROR_FILE_NOT_FOUND: |
443 | case ERROR_PATH_NOT_FOUND: |
444 | return -1; |
445 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
446 | return -3; |
447 | default: /* Found, but not an |
448 | executable, or some other |
449 | read error. */ |
450 | return -2; |
451 | } |
452 | } |
453 | return apptype; |
454 | } |
455 | |
456 | static ULONG os2_mytype; |
457 | |
491527d0 |
458 | /* Spawn/exec a program, revert to shell if needed. */ |
6b88bc9c |
459 | /* global PL_Argv[] contains arguments. */ |
491527d0 |
460 | |
4633a7c4 |
461 | int |
2c2e0e8c |
462 | do_spawn_ve(really, flag, execf, inicmd) |
4633a7c4 |
463 | SV *really; |
491527d0 |
464 | U32 flag; |
465 | U32 execf; |
2c2e0e8c |
466 | char *inicmd; |
4633a7c4 |
467 | { |
dd96f567 |
468 | dTHR; |
491527d0 |
469 | int trueflag = flag; |
a97be121 |
470 | int rc, pass = 1; |
491527d0 |
471 | char *tmps; |
6756f2f0 |
472 | char buf[256], *s = 0, scrbuf[280]; |
491527d0 |
473 | char *args[4]; |
474 | static char * fargs[4] |
475 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
476 | char **argsp = fargs; |
477 | char nargs = 4; |
017f25f1 |
478 | int force_shell; |
2d8e6c8d |
479 | STRLEN n_a; |
491527d0 |
480 | |
4633a7c4 |
481 | if (flag == P_WAIT) |
482 | flag = P_NOWAIT; |
483 | |
491527d0 |
484 | retry: |
6b88bc9c |
485 | if (strEQ(PL_Argv[0],"/bin/sh")) |
486 | PL_Argv[0] = PL_sh_path; |
3bbf9c2b |
487 | |
6b88bc9c |
488 | if (PL_Argv[0][0] != '/' && PL_Argv[0][0] != '\\' |
489 | && !(PL_Argv[0][0] && PL_Argv[0][1] == ':' |
490 | && (PL_Argv[0][2] == '/' || PL_Argv[0][2] != '\\')) |
2c2e0e8c |
491 | ) /* will spawnvp use PATH? */ |
c0c09dfd |
492 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
760ac839 |
493 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
2d8e6c8d |
494 | if (!really || !*(tmps = SvPV(really, n_a))) |
6b88bc9c |
495 | tmps = PL_Argv[0]; |
017f25f1 |
496 | |
497 | reread: |
498 | force_shell = 0; |
499 | if (_emx_env & 0x200) { /* OS/2. */ |
500 | int type = file_type(tmps); |
501 | type_again: |
502 | if (type == -1) { /* Not found */ |
503 | errno = ENOENT; |
504 | rc = -1; |
505 | goto do_script; |
506 | } |
507 | else if (type == -2) { /* Not an EXE */ |
508 | errno = ENOEXEC; |
509 | rc = -1; |
510 | goto do_script; |
511 | } |
512 | else if (type == -3) { /* Is a directory? */ |
513 | /* Special-case this */ |
514 | char tbuf[512]; |
515 | int l = strlen(tmps); |
516 | |
517 | if (l + 5 <= sizeof tbuf) { |
518 | strcpy(tbuf, tmps); |
519 | strcpy(tbuf + l, ".exe"); |
520 | type = file_type(tbuf); |
521 | if (type >= -3) |
522 | goto type_again; |
523 | } |
524 | |
525 | errno = ENOEXEC; |
526 | rc = -1; |
527 | goto do_script; |
528 | } |
529 | switch (type & 7) { |
530 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
531 | case FAPPTYP_WINDOWAPI: |
532 | { |
533 | if (os2_mytype != 3) { /* not PM */ |
534 | if (flag == P_NOWAIT) |
535 | flag = P_PM; |
536 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION) |
537 | warn("Starting PM process with flag=%d, mytype=%d", |
538 | flag, os2_mytype); |
539 | } |
540 | } |
541 | break; |
542 | case FAPPTYP_NOTWINDOWCOMPAT: |
543 | { |
544 | if (os2_mytype != 0) { /* not full screen */ |
545 | if (flag == P_NOWAIT) |
546 | flag = P_SESSION; |
547 | else if ((flag & 7) != P_SESSION) |
548 | warn("Starting Full Screen process with flag=%d, mytype=%d", |
549 | flag, os2_mytype); |
550 | } |
551 | } |
552 | break; |
553 | case FAPPTYP_NOTSPEC: |
554 | /* Let the shell handle this... */ |
555 | force_shell = 1; |
556 | goto doshell_args; |
557 | break; |
558 | } |
559 | } |
560 | |
491527d0 |
561 | #if 0 |
6b88bc9c |
562 | rc = result(trueflag, spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
563 | #else |
564 | if (execf == EXECF_TRUEEXEC) |
6b88bc9c |
565 | rc = execvp(tmps,PL_Argv); |
491527d0 |
566 | else if (execf == EXECF_EXEC) |
6b88bc9c |
567 | rc = spawnvp(trueflag | P_OVERLAY,tmps,PL_Argv); |
491527d0 |
568 | else if (execf == EXECF_SPAWN_NOWAIT) |
017f25f1 |
569 | rc = spawnvp(flag,tmps,PL_Argv); |
491527d0 |
570 | else /* EXECF_SPAWN */ |
571 | rc = result(trueflag, |
017f25f1 |
572 | spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
573 | #endif |
2c2e0e8c |
574 | if (rc < 0 && pass == 1 |
6b88bc9c |
575 | && (tmps == PL_Argv[0])) { /* Cannot transfer `really' via shell. */ |
017f25f1 |
576 | do_script: |
577 | { |
a97be121 |
578 | int err = errno; |
579 | |
2c2e0e8c |
580 | if (err == ENOENT || err == ENOEXEC) { |
581 | /* No such file, or is a script. */ |
582 | /* Try adding script extensions to the file name, and |
583 | search on PATH. */ |
6b88bc9c |
584 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
2c2e0e8c |
585 | |
586 | if (scr) { |
e96326af |
587 | FILE *file; |
2c2e0e8c |
588 | char *s = 0, *s1; |
e96326af |
589 | int l; |
2c2e0e8c |
590 | |
e96326af |
591 | l = strlen(scr); |
592 | |
593 | if (l >= sizeof scrbuf) { |
594 | Safefree(scr); |
595 | longbuf: |
596 | croak("Size of scriptname too big: %d", l); |
597 | } |
598 | strcpy(scrbuf, scr); |
599 | Safefree(scr); |
600 | scr = scrbuf; |
601 | |
602 | file = fopen(scr, "r"); |
6b88bc9c |
603 | PL_Argv[0] = scr; |
2c2e0e8c |
604 | if (!file) |
605 | goto panic_file; |
017f25f1 |
606 | if (!fgets(buf, sizeof buf, file)) { /* Empty... */ |
017f25f1 |
607 | |
608 | buf[0] = 0; |
2c2e0e8c |
609 | fclose(file); |
017f25f1 |
610 | /* Special case: maybe from -Zexe build, so |
611 | there is an executable around (contrary to |
612 | documentation, DosQueryAppType sometimes (?) |
613 | does not append ".exe", so we could have |
614 | reached this place). */ |
6756f2f0 |
615 | if (l + 5 < sizeof scrbuf) { |
616 | strcpy(scrbuf + l, ".exe"); |
617 | if (PerlLIO_stat(scrbuf,&PL_statbuf) >= 0 |
017f25f1 |
618 | && !S_ISDIR(PL_statbuf.st_mode)) { |
619 | /* Found */ |
620 | tmps = scr; |
621 | pass++; |
622 | goto reread; |
6756f2f0 |
623 | } else |
624 | scrbuf[l] = 0; |
625 | } else |
626 | goto longbuf; |
2c2e0e8c |
627 | } |
628 | if (fclose(file) != 0) { /* Failure */ |
629 | panic_file: |
630 | warn("Error reading \"%s\": %s", |
631 | scr, Strerror(errno)); |
632 | buf[0] = 0; /* Not #! */ |
633 | goto doshell_args; |
634 | } |
635 | if (buf[0] == '#') { |
636 | if (buf[1] == '!') |
637 | s = buf + 2; |
638 | } else if (buf[0] == 'e') { |
639 | if (strnEQ(buf, "extproc", 7) |
640 | && isSPACE(buf[7])) |
641 | s = buf + 8; |
642 | } else if (buf[0] == 'E') { |
643 | if (strnEQ(buf, "EXTPROC", 7) |
644 | && isSPACE(buf[7])) |
645 | s = buf + 8; |
646 | } |
647 | if (!s) { |
648 | buf[0] = 0; /* Not #! */ |
649 | goto doshell_args; |
650 | } |
651 | |
652 | s1 = s; |
653 | nargs = 0; |
654 | argsp = args; |
655 | while (1) { |
656 | /* Do better than pdksh: allow a few args, |
657 | strip trailing whitespace. */ |
658 | while (isSPACE(*s)) |
659 | s++; |
660 | if (*s == 0) |
661 | break; |
662 | if (nargs == 4) { |
663 | nargs = -1; |
664 | break; |
665 | } |
666 | args[nargs++] = s; |
667 | while (*s && !isSPACE(*s)) |
668 | s++; |
669 | if (*s == 0) |
670 | break; |
671 | *s++ = 0; |
672 | } |
673 | if (nargs == -1) { |
674 | warn("Too many args on %.*s line of \"%s\"", |
675 | s1 - buf, buf, scr); |
676 | nargs = 4; |
677 | argsp = fargs; |
678 | } |
679 | doshell_args: |
680 | { |
6b88bc9c |
681 | char **a = PL_Argv; |
2c2e0e8c |
682 | char *exec_args[2]; |
683 | |
017f25f1 |
684 | if (force_shell |
685 | || (!buf[0] && file)) { /* File without magic */ |
2c2e0e8c |
686 | /* In fact we tried all what pdksh would |
687 | try. There is no point in calling |
688 | pdksh, we may just emulate its logic. */ |
689 | char *shell = getenv("EXECSHELL"); |
690 | char *shell_opt = NULL; |
691 | |
692 | if (!shell) { |
693 | char *s; |
694 | |
695 | shell_opt = "/c"; |
696 | shell = getenv("OS2_SHELL"); |
697 | if (inicmd) { /* No spaces at start! */ |
698 | s = inicmd; |
699 | while (*s && !isSPACE(*s)) { |
700 | if (*s++ = '/') { |
701 | inicmd = NULL; /* Cannot use */ |
702 | break; |
703 | } |
704 | } |
705 | } |
706 | if (!inicmd) { |
6b88bc9c |
707 | s = PL_Argv[0]; |
2c2e0e8c |
708 | while (*s) { |
709 | /* Dosish shells will choke on slashes |
710 | in paths, fortunately, this is |
711 | important for zeroth arg only. */ |
712 | if (*s == '/') |
713 | *s = '\\'; |
714 | s++; |
715 | } |
491527d0 |
716 | } |
491527d0 |
717 | } |
2c2e0e8c |
718 | /* If EXECSHELL is set, we do not set */ |
719 | |
720 | if (!shell) |
721 | shell = ((_emx_env & 0x200) |
722 | ? "c:/os2/cmd.exe" |
723 | : "c:/command.com"); |
724 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
725 | exec_args[0] = shell; |
726 | exec_args[1] = shell_opt; |
727 | argsp = exec_args; |
728 | if (nargs == 2 && inicmd) { |
729 | /* Use the original cmd line */ |
730 | /* XXXX This is good only until we refuse |
731 | quoted arguments... */ |
6b88bc9c |
732 | PL_Argv[0] = inicmd; |
733 | PL_Argv[1] = Nullch; |
491527d0 |
734 | } |
2c2e0e8c |
735 | } else if (!buf[0] && inicmd) { /* No file */ |
736 | /* Start with the original cmdline. */ |
737 | /* XXXX This is good only until we refuse |
738 | quoted arguments... */ |
739 | |
6b88bc9c |
740 | PL_Argv[0] = inicmd; |
741 | PL_Argv[1] = Nullch; |
2c2e0e8c |
742 | nargs = 2; /* shell -c */ |
743 | } |
744 | |
745 | while (a[1]) /* Get to the end */ |
746 | a++; |
747 | a++; /* Copy finil NULL too */ |
6b88bc9c |
748 | while (a >= PL_Argv) { |
749 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
2c2e0e8c |
750 | long enough. */ |
751 | a--; |
491527d0 |
752 | } |
2c2e0e8c |
753 | while (nargs-- >= 0) |
6b88bc9c |
754 | PL_Argv[nargs] = argsp[nargs]; |
2c2e0e8c |
755 | /* Enable pathless exec if #! (as pdksh). */ |
756 | pass = (buf[0] == '#' ? 2 : 3); |
757 | goto retry; |
e29f6e02 |
758 | } |
759 | } |
2c2e0e8c |
760 | /* Not found: restore errno */ |
491527d0 |
761 | errno = err; |
2c2e0e8c |
762 | } |
017f25f1 |
763 | } |
a97be121 |
764 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
6b88bc9c |
765 | char *no_dir = strrchr(PL_Argv[0], '/'); |
2c2e0e8c |
766 | |
767 | /* Do as pdksh port does: if not found with /, try without |
768 | path. */ |
769 | if (no_dir) { |
6b88bc9c |
770 | PL_Argv[0] = no_dir + 1; |
2c2e0e8c |
771 | pass++; |
e29f6e02 |
772 | goto retry; |
773 | } |
774 | } |
6b88bc9c |
775 | if (rc < 0 && PL_dowarn) |
491527d0 |
776 | warn("Can't %s \"%s\": %s\n", |
777 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
778 | ? "spawn" : "exec"), |
a97be121 |
779 | PL_Argv[0], Strerror(errno)); |
491527d0 |
780 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
781 | && ((trueflag & 0xFF) == P_WAIT)) |
782 | rc = 255 << 8; /* Emulate the fork(). */ |
783 | |
784 | return rc; |
785 | } |
786 | |
2c2e0e8c |
787 | /* Array spawn. */ |
491527d0 |
788 | int |
789 | do_aspawn(really,mark,sp) |
790 | SV *really; |
791 | register SV **mark; |
792 | register SV **sp; |
793 | { |
794 | dTHR; |
795 | register char **a; |
796 | char *tmps = NULL; |
797 | int rc; |
798 | int flag = P_WAIT, trueflag, err, secondtry = 0; |
2d8e6c8d |
799 | STRLEN n_a; |
491527d0 |
800 | |
801 | if (sp > mark) { |
6b88bc9c |
802 | New(1301,PL_Argv, sp - mark + 3, char*); |
803 | a = PL_Argv; |
491527d0 |
804 | |
805 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
806 | ++mark; |
807 | flag = SvIVx(*mark); |
808 | } |
809 | |
810 | while (++mark <= sp) { |
811 | if (*mark) |
2d8e6c8d |
812 | *a++ = SvPVx(*mark, n_a); |
491527d0 |
813 | else |
814 | *a++ = ""; |
815 | } |
816 | *a = Nullch; |
817 | |
2c2e0e8c |
818 | rc = do_spawn_ve(really, flag, EXECF_SPAWN, NULL); |
4633a7c4 |
819 | } else |
820 | rc = -1; |
821 | do_execfree(); |
822 | return rc; |
823 | } |
824 | |
491527d0 |
825 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
4633a7c4 |
826 | int |
760ac839 |
827 | do_spawn2(cmd, execf) |
4633a7c4 |
828 | char *cmd; |
760ac839 |
829 | int execf; |
4633a7c4 |
830 | { |
831 | register char **a; |
832 | register char *s; |
833 | char flags[10]; |
3bbf9c2b |
834 | char *shell, *copt, *news = NULL; |
2c2e0e8c |
835 | int rc, err, seenspace = 0; |
e29f6e02 |
836 | char fullcmd[MAXNAMLEN + 1]; |
4633a7c4 |
837 | |
c0c09dfd |
838 | #ifdef TRYSHELL |
839 | if ((shell = getenv("EMXSHELL")) != NULL) |
840 | copt = "-c"; |
841 | else if ((shell = getenv("SHELL")) != NULL) |
4633a7c4 |
842 | copt = "-c"; |
843 | else if ((shell = getenv("COMSPEC")) != NULL) |
844 | copt = "/C"; |
845 | else |
846 | shell = "cmd.exe"; |
c0c09dfd |
847 | #else |
848 | /* Consensus on perl5-porters is that it is _very_ important to |
849 | have a shell which will not change between computers with the |
850 | same architecture, to avoid "action on a distance". |
851 | And to have simple build, this shell should be sh. */ |
6b88bc9c |
852 | shell = PL_sh_path; |
c0c09dfd |
853 | copt = "-c"; |
854 | #endif |
855 | |
856 | while (*cmd && isSPACE(*cmd)) |
857 | cmd++; |
4633a7c4 |
858 | |
3bbf9c2b |
859 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
6b88bc9c |
860 | STRLEN l = strlen(PL_sh_path); |
3bbf9c2b |
861 | |
2cc2f81f |
862 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
6b88bc9c |
863 | strcpy(news, PL_sh_path); |
3bbf9c2b |
864 | strcpy(news + l, cmd + 7); |
865 | cmd = news; |
866 | } |
867 | |
4633a7c4 |
868 | /* save an extra exec if possible */ |
869 | /* see if there are shell metacharacters in it */ |
870 | |
c0c09dfd |
871 | if (*cmd == '.' && isSPACE(cmd[1])) |
872 | goto doshell; |
873 | |
874 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
875 | goto doshell; |
876 | |
877 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
878 | if (*s == '=') |
879 | goto doshell; |
880 | |
4633a7c4 |
881 | for (s = cmd; *s; s++) { |
c0c09dfd |
882 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
3bbf9c2b |
883 | if (*s == '\n' && s[1] == '\0') { |
4633a7c4 |
884 | *s = '\0'; |
885 | break; |
a0914d8e |
886 | } else if (*s == '\\' && !seenspace) { |
887 | continue; /* Allow backslashes in names */ |
4633a7c4 |
888 | } |
491527d0 |
889 | /* We do not convert this to do_spawn_ve since shell |
890 | should be smart enough to start itself gloriously. */ |
c0c09dfd |
891 | doshell: |
760ac839 |
892 | if (execf == EXECF_TRUEEXEC) |
2c2e0e8c |
893 | rc = execl(shell,shell,copt,cmd,(char*)0); |
760ac839 |
894 | else if (execf == EXECF_EXEC) |
2c2e0e8c |
895 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
72ea3524 |
896 | else if (execf == EXECF_SPAWN_NOWAIT) |
2c2e0e8c |
897 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
898 | else { |
899 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
900 | rc = result(P_WAIT, |
901 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
6b88bc9c |
902 | if (rc < 0 && PL_dowarn) |
2c2e0e8c |
903 | warn("Can't %s \"%s\": %s", |
904 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
905 | shell, Strerror(errno)); |
906 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
907 | } |
908 | if (news) |
909 | Safefree(news); |
c0c09dfd |
910 | return rc; |
a0914d8e |
911 | } else if (*s == ' ' || *s == '\t') { |
912 | seenspace = 1; |
4633a7c4 |
913 | } |
914 | } |
c0c09dfd |
915 | |
491527d0 |
916 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
6b88bc9c |
917 | New(1303,PL_Argv, (s - cmd + 11) / 2, char*); |
918 | PL_Cmd = savepvn(cmd, s-cmd); |
919 | a = PL_Argv; |
920 | for (s = PL_Cmd; *s;) { |
4633a7c4 |
921 | while (*s && isSPACE(*s)) s++; |
922 | if (*s) |
923 | *(a++) = s; |
924 | while (*s && !isSPACE(*s)) s++; |
925 | if (*s) |
926 | *s++ = '\0'; |
927 | } |
928 | *a = Nullch; |
6b88bc9c |
929 | if (PL_Argv[0]) |
2c2e0e8c |
930 | rc = do_spawn_ve(NULL, 0, execf, cmd); |
491527d0 |
931 | else |
4633a7c4 |
932 | rc = -1; |
2c2e0e8c |
933 | if (news) |
934 | Safefree(news); |
4633a7c4 |
935 | do_execfree(); |
936 | return rc; |
937 | } |
938 | |
760ac839 |
939 | int |
940 | do_spawn(cmd) |
941 | char *cmd; |
942 | { |
943 | return do_spawn2(cmd, EXECF_SPAWN); |
944 | } |
945 | |
72ea3524 |
946 | int |
947 | do_spawn_nowait(cmd) |
948 | char *cmd; |
949 | { |
950 | return do_spawn2(cmd, EXECF_SPAWN_NOWAIT); |
951 | } |
952 | |
760ac839 |
953 | bool |
954 | do_exec(cmd) |
955 | char *cmd; |
956 | { |
017f25f1 |
957 | do_spawn2(cmd, EXECF_EXEC); |
958 | return FALSE; |
760ac839 |
959 | } |
960 | |
961 | bool |
962 | os2exec(cmd) |
963 | char *cmd; |
964 | { |
965 | return do_spawn2(cmd, EXECF_TRUEEXEC); |
966 | } |
967 | |
3bbf9c2b |
968 | PerlIO * |
969 | my_syspopen(cmd,mode) |
c0c09dfd |
970 | char *cmd; |
971 | char *mode; |
972 | { |
72ea3524 |
973 | #ifndef USE_POPEN |
974 | |
975 | int p[2]; |
976 | register I32 this, that, newfd; |
977 | register I32 pid, rc; |
3bbf9c2b |
978 | PerlIO *res; |
979 | SV *sv; |
72ea3524 |
980 | |
72ea3524 |
981 | /* `this' is what we use in the parent, `that' in the child. */ |
982 | this = (*mode == 'w'); |
983 | that = !this; |
6b88bc9c |
984 | if (PL_tainting) { |
72ea3524 |
985 | taint_env(); |
986 | taint_proper("Insecure %s%s", "EXEC"); |
987 | } |
c2267164 |
988 | if (pipe(p) < 0) |
989 | return Nullfp; |
72ea3524 |
990 | /* Now we need to spawn the child. */ |
991 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
992 | if (p[that] != (*mode == 'r')) { |
993 | dup2(p[that], *mode == 'r'); |
994 | close(p[that]); |
995 | } |
996 | /* Where is `this' and newfd now? */ |
997 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
998 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
999 | pid = do_spawn_nowait(cmd); |
1000 | if (newfd != (*mode == 'r')) { |
1001 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
1002 | close(newfd); |
1003 | } |
491527d0 |
1004 | if (p[that] == (*mode == 'r')) |
1005 | close(p[that]); |
72ea3524 |
1006 | if (pid == -1) { |
1007 | close(p[this]); |
1008 | return NULL; |
1009 | } |
1010 | if (p[that] < p[this]) { |
1011 | dup2(p[this], p[that]); |
1012 | close(p[this]); |
1013 | p[this] = p[that]; |
1014 | } |
6b88bc9c |
1015 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
72ea3524 |
1016 | (void)SvUPGRADE(sv,SVt_IV); |
1017 | SvIVX(sv) = pid; |
6b88bc9c |
1018 | PL_forkprocess = pid; |
72ea3524 |
1019 | return PerlIO_fdopen(p[this], mode); |
3bbf9c2b |
1020 | |
72ea3524 |
1021 | #else /* USE_POPEN */ |
1022 | |
1023 | PerlIO *res; |
1024 | SV *sv; |
1025 | |
1026 | # ifdef TRYSHELL |
3bbf9c2b |
1027 | res = popen(cmd, mode); |
72ea3524 |
1028 | # else |
c0c09dfd |
1029 | char *shell = getenv("EMXSHELL"); |
3bbf9c2b |
1030 | |
6b88bc9c |
1031 | my_setenv("EMXSHELL", PL_sh_path); |
c0c09dfd |
1032 | res = popen(cmd, mode); |
1033 | my_setenv("EMXSHELL", shell); |
72ea3524 |
1034 | # endif |
6b88bc9c |
1035 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
3bbf9c2b |
1036 | (void)SvUPGRADE(sv,SVt_IV); |
1037 | SvIVX(sv) = -1; /* A cooky. */ |
1038 | return res; |
72ea3524 |
1039 | |
1040 | #endif /* USE_POPEN */ |
1041 | |
c0c09dfd |
1042 | } |
1043 | |
3bbf9c2b |
1044 | /******************************************************************/ |
4633a7c4 |
1045 | |
1046 | #ifndef HAS_FORK |
1047 | int |
1048 | fork(void) |
1049 | { |
4bfbfac5 |
1050 | croak(PL_no_func, "Unsupported function fork"); |
4633a7c4 |
1051 | errno = EINVAL; |
1052 | return -1; |
1053 | } |
1054 | #endif |
1055 | |
3bbf9c2b |
1056 | /*******************************************************************/ |
4633a7c4 |
1057 | /* not implemented in EMX 0.9a */ |
1058 | |
1059 | void * ctermid(x) { return 0; } |
eacfb5f1 |
1060 | |
1061 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
4633a7c4 |
1062 | void * ttyname(x) { return 0; } |
eacfb5f1 |
1063 | #endif |
4633a7c4 |
1064 | |
3bbf9c2b |
1065 | /******************************************************************/ |
760ac839 |
1066 | /* my socket forwarders - EMX lib only provides static forwarders */ |
1067 | |
1068 | static HMODULE htcp = 0; |
1069 | |
1070 | static void * |
1071 | tcp0(char *name) |
1072 | { |
1073 | static BYTE buf[20]; |
1074 | PFN fcn; |
55497cff |
1075 | |
1076 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1077 | if (!htcp) |
1078 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1079 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1080 | return (void *) ((void * (*)(void)) fcn) (); |
1081 | return 0; |
1082 | } |
1083 | |
1084 | static void |
1085 | tcp1(char *name, int arg) |
1086 | { |
1087 | static BYTE buf[20]; |
1088 | PFN fcn; |
55497cff |
1089 | |
1090 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1091 | if (!htcp) |
1092 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1093 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1094 | ((void (*)(int)) fcn) (arg); |
1095 | } |
1096 | |
1097 | void * gethostent() { return tcp0("GETHOSTENT"); } |
1098 | void * getnetent() { return tcp0("GETNETENT"); } |
1099 | void * getprotoent() { return tcp0("GETPROTOENT"); } |
1100 | void * getservent() { return tcp0("GETSERVENT"); } |
1101 | void sethostent(x) { tcp1("SETHOSTENT", x); } |
1102 | void setnetent(x) { tcp1("SETNETENT", x); } |
1103 | void setprotoent(x) { tcp1("SETPROTOENT", x); } |
1104 | void setservent(x) { tcp1("SETSERVENT", x); } |
1105 | void endhostent() { tcp0("ENDHOSTENT"); } |
1106 | void endnetent() { tcp0("ENDNETENT"); } |
1107 | void endprotoent() { tcp0("ENDPROTOENT"); } |
1108 | void endservent() { tcp0("ENDSERVENT"); } |
1109 | |
1110 | /*****************************************************************************/ |
1111 | /* not implemented in C Set++ */ |
1112 | |
1113 | #ifndef __EMX__ |
1114 | int setuid(x) { errno = EINVAL; return -1; } |
1115 | int setgid(x) { errno = EINVAL; return -1; } |
1116 | #endif |
4633a7c4 |
1117 | |
1118 | /*****************************************************************************/ |
1119 | /* stat() hack for char/block device */ |
1120 | |
1121 | #if OS2_STAT_HACK |
1122 | |
1123 | /* First attempt used DosQueryFSAttach which crashed the system when |
1124 | used with 5.001. Now just look for /dev/. */ |
1125 | |
1126 | int |
1127 | os2_stat(char *name, struct stat *st) |
1128 | { |
1129 | static int ino = SHRT_MAX; |
1130 | |
1131 | if (stricmp(name, "/dev/con") != 0 |
1132 | && stricmp(name, "/dev/tty") != 0) |
1133 | return stat(name, st); |
1134 | |
1135 | memset(st, 0, sizeof *st); |
1136 | st->st_mode = S_IFCHR|0666; |
1137 | st->st_ino = (ino-- & 0x7FFF); |
1138 | st->st_nlink = 1; |
1139 | return 0; |
1140 | } |
1141 | |
1142 | #endif |
c0c09dfd |
1143 | |
760ac839 |
1144 | #ifdef USE_PERL_SBRK |
c0c09dfd |
1145 | |
760ac839 |
1146 | /* SBRK() emulation, mostly moved to malloc.c. */ |
c0c09dfd |
1147 | |
1148 | void * |
760ac839 |
1149 | sys_alloc(int size) { |
1150 | void *got; |
1151 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
1152 | |
c0c09dfd |
1153 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
1154 | return (void *) -1; |
4bfbfac5 |
1155 | } else if ( rc ) |
1156 | croak("Got an error from DosAllocMem: %li", (long)rc); |
760ac839 |
1157 | return got; |
c0c09dfd |
1158 | } |
760ac839 |
1159 | |
1160 | #endif /* USE_PERL_SBRK */ |
c0c09dfd |
1161 | |
1162 | /* tmp path */ |
1163 | |
1164 | char *tmppath = TMPPATH1; |
1165 | |
1166 | void |
1167 | settmppath() |
1168 | { |
1169 | char *p = getenv("TMP"), *tpath; |
1170 | int len; |
1171 | |
1172 | if (!p) p = getenv("TEMP"); |
1173 | if (!p) return; |
1174 | len = strlen(p); |
1175 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
1176 | strcpy(tpath, p); |
1177 | tpath[len] = '/'; |
1178 | strcpy(tpath + len + 1, TMPPATH1); |
1179 | tmppath = tpath; |
1180 | } |
7a2f0d5b |
1181 | |
1182 | #include "XSUB.h" |
1183 | |
1184 | XS(XS_File__Copy_syscopy) |
1185 | { |
1186 | dXSARGS; |
1187 | if (items < 2 || items > 3) |
1188 | croak("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
1189 | { |
2d8e6c8d |
1190 | STRLEN n_a; |
1191 | char * src = (char *)SvPV(ST(0),n_a); |
1192 | char * dst = (char *)SvPV(ST(1),n_a); |
7a2f0d5b |
1193 | U32 flag; |
1194 | int RETVAL, rc; |
1195 | |
1196 | if (items < 3) |
1197 | flag = 0; |
1198 | else { |
1199 | flag = (unsigned long)SvIV(ST(2)); |
1200 | } |
1201 | |
6f064249 |
1202 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
7a2f0d5b |
1203 | ST(0) = sv_newmortal(); |
1204 | sv_setiv(ST(0), (IV)RETVAL); |
1205 | } |
1206 | XSRETURN(1); |
1207 | } |
1208 | |
017f25f1 |
1209 | #include "patchlevel.h" |
1210 | |
6f064249 |
1211 | char * |
1212 | mod2fname(sv) |
1213 | SV *sv; |
1214 | { |
1215 | static char fname[9]; |
760ac839 |
1216 | int pos = 6, len, avlen; |
1217 | unsigned int sum = 0; |
6f064249 |
1218 | AV *av; |
1219 | SV *svp; |
1220 | char *s; |
2d8e6c8d |
1221 | STRLEN n_a; |
6f064249 |
1222 | |
1223 | if (!SvROK(sv)) croak("Not a reference given to mod2fname"); |
1224 | sv = SvRV(sv); |
1225 | if (SvTYPE(sv) != SVt_PVAV) |
1226 | croak("Not array reference given to mod2fname"); |
760ac839 |
1227 | |
1228 | avlen = av_len((AV*)sv); |
1229 | if (avlen < 0) |
6f064249 |
1230 | croak("Empty array reference given to mod2fname"); |
760ac839 |
1231 | |
2d8e6c8d |
1232 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
6f064249 |
1233 | strncpy(fname, s, 8); |
760ac839 |
1234 | len = strlen(s); |
1235 | if (len < 6) pos = len; |
1236 | while (*s) { |
1237 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
1238 | * get the capitalization into c.s. */ |
1239 | } |
1240 | avlen --; |
1241 | while (avlen >= 0) { |
2d8e6c8d |
1242 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
760ac839 |
1243 | while (*s) { |
1244 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
1245 | } |
1246 | avlen --; |
1247 | } |
3aefca04 |
1248 | #ifdef USE_THREADS |
1249 | sum++; /* Avoid conflict of DLLs in memory. */ |
1250 | #endif |
017f25f1 |
1251 | sum += PATCHLEVEL * 200 + SUBVERSION * 2; /* */ |
760ac839 |
1252 | fname[pos] = 'A' + (sum % 26); |
1253 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
1254 | fname[pos + 2] = '\0'; |
6f064249 |
1255 | return (char *)fname; |
1256 | } |
1257 | |
1258 | XS(XS_DynaLoader_mod2fname) |
1259 | { |
1260 | dXSARGS; |
1261 | if (items != 1) |
1262 | croak("Usage: DynaLoader::mod2fname(sv)"); |
1263 | { |
1264 | SV * sv = ST(0); |
1265 | char * RETVAL; |
1266 | |
1267 | RETVAL = mod2fname(sv); |
1268 | ST(0) = sv_newmortal(); |
1269 | sv_setpv((SV*)ST(0), RETVAL); |
1270 | } |
1271 | XSRETURN(1); |
1272 | } |
1273 | |
1274 | char * |
1275 | os2error(int rc) |
1276 | { |
1277 | static char buf[300]; |
1278 | ULONG len; |
1279 | |
55497cff |
1280 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
6f064249 |
1281 | if (rc == 0) |
1282 | return NULL; |
1283 | if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, rc, "OSO001.MSG", &len)) |
1284 | sprintf(buf, "OS/2 system error code %d=0x%x", rc, rc); |
1285 | else |
1286 | buf[len] = '\0'; |
017f25f1 |
1287 | if (len > 0 && buf[len - 1] == '\n') |
1288 | buf[len - 1] = '\0'; |
1289 | if (len > 1 && buf[len - 2] == '\r') |
1290 | buf[len - 2] = '\0'; |
1291 | if (len > 2 && buf[len - 3] == '.') |
1292 | buf[len - 3] = '\0'; |
6f064249 |
1293 | return buf; |
1294 | } |
1295 | |
760ac839 |
1296 | char * |
1297 | perllib_mangle(char *s, unsigned int l) |
1298 | { |
1299 | static char *newp, *oldp; |
1300 | static int newl, oldl, notfound; |
1301 | static char ret[STATIC_FILE_LENGTH+1]; |
1302 | |
1303 | if (!newp && !notfound) { |
1304 | newp = getenv("PERLLIB_PREFIX"); |
1305 | if (newp) { |
ff68c719 |
1306 | char *s; |
1307 | |
760ac839 |
1308 | oldp = newp; |
89078e0f |
1309 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
760ac839 |
1310 | newp++; oldl++; /* Skip digits. */ |
1311 | } |
1312 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
1313 | newp++; /* Skip whitespace. */ |
1314 | } |
1315 | newl = strlen(newp); |
1316 | if (newl == 0 || oldl == 0) { |
4bfbfac5 |
1317 | croak("Malformed PERLLIB_PREFIX"); |
760ac839 |
1318 | } |
ff68c719 |
1319 | strcpy(ret, newp); |
1320 | s = ret; |
1321 | while (*s) { |
1322 | if (*s == '\\') *s = '/'; |
1323 | s++; |
1324 | } |
760ac839 |
1325 | } else { |
1326 | notfound = 1; |
1327 | } |
1328 | } |
1329 | if (!newp) { |
1330 | return s; |
1331 | } |
1332 | if (l == 0) { |
1333 | l = strlen(s); |
1334 | } |
3bbf9c2b |
1335 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
760ac839 |
1336 | return s; |
1337 | } |
1338 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
4bfbfac5 |
1339 | croak("Malformed PERLLIB_PREFIX"); |
760ac839 |
1340 | } |
89078e0f |
1341 | strcpy(ret + newl, s + oldl); |
760ac839 |
1342 | return ret; |
1343 | } |
6f064249 |
1344 | |
4bfbfac5 |
1345 | unsigned long |
1346 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
1347 | { |
1348 | return perl_hab_GET(); |
1349 | } |
1350 | |
1351 | HMQ |
1352 | Perl_Register_MQ(int serve) |
1353 | { |
1354 | PPIB pib; |
1355 | PTIB tib; |
1356 | |
1357 | if (Perl_os2_initial_mode++) |
1358 | return Perl_hmq; |
1359 | DosGetInfoBlocks(&tib, &pib); |
1360 | Perl_os2_initial_mode = pib->pib_ultype; |
1361 | Perl_hmq_refcnt = 1; |
1362 | /* Try morphing into a PM application. */ |
1363 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
1364 | pib->pib_ultype = 3; /* 3 is PM */ |
1365 | init_PMWIN_entries(); |
1366 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
1367 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
1368 | if (!Perl_hmq) { |
1369 | static int cnt; |
1370 | if (cnt++) |
1371 | _exit(188); /* Panic can try to create a window. */ |
1372 | croak("Cannot create a message queue, or morph to a PM application"); |
1373 | } |
1374 | return Perl_hmq; |
1375 | } |
1376 | |
1377 | int |
1378 | Perl_Serve_Messages(int force) |
1379 | { |
1380 | int cnt = 0; |
1381 | QMSG msg; |
1382 | |
1383 | if (Perl_hmq_servers && !force) |
1384 | return 0; |
1385 | if (!Perl_hmq_refcnt) |
1386 | croak("No message queue"); |
1387 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
1388 | cnt++; |
1389 | if (msg.msg == WM_QUIT) |
1390 | croak("QUITing..."); |
1391 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1392 | } |
1393 | return cnt; |
1394 | } |
1395 | |
1396 | int |
1397 | Perl_Process_Messages(int force, I32 *cntp) |
1398 | { |
1399 | QMSG msg; |
1400 | |
1401 | if (Perl_hmq_servers && !force) |
1402 | return 0; |
1403 | if (!Perl_hmq_refcnt) |
1404 | croak("No message queue"); |
1405 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
1406 | if (cntp) |
1407 | (*cntp)++; |
1408 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1409 | if (msg.msg == WM_DESTROY) |
1410 | return -1; |
1411 | if (msg.msg == WM_CREATE) |
1412 | return +1; |
1413 | } |
1414 | croak("QUITing..."); |
1415 | } |
1416 | |
1417 | void |
1418 | Perl_Deregister_MQ(int serve) |
1419 | { |
1420 | PPIB pib; |
1421 | PTIB tib; |
1422 | |
1423 | if (--Perl_hmq_refcnt == 0) { |
1424 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
1425 | Perl_hmq = 0; |
1426 | /* Try morphing back from a PM application. */ |
1427 | if (pib->pib_ultype == 3) /* 3 is PM */ |
1428 | pib->pib_ultype = Perl_os2_initial_mode; |
1429 | else |
1430 | warn("Unexpected program mode %d when morphing back from PM", |
1431 | pib->pib_ultype); |
1432 | } |
1433 | } |
1434 | |
6f064249 |
1435 | extern void dlopen(); |
1436 | void *fakedl = &dlopen; /* Pull in dynaloading part. */ |
3bbf9c2b |
1437 | |
1438 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
1439 | && ((path)[2] == '/' || (path)[2] == '\\')) |
1440 | #define sys_is_rooted _fnisabs |
1441 | #define sys_is_relative _fnisrel |
1442 | #define current_drive _getdrive |
1443 | |
1444 | #undef chdir /* Was _chdir2. */ |
1445 | #define sys_chdir(p) (chdir(p) == 0) |
1446 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
1447 | |
4bfbfac5 |
1448 | static int DOS_harderr_state = -1; |
1449 | |
1450 | XS(XS_OS2_Error) |
1451 | { |
1452 | dXSARGS; |
1453 | if (items != 2) |
1454 | croak("Usage: OS2::Error(harderr, exception)"); |
1455 | { |
1456 | int arg1 = SvIV(ST(0)); |
1457 | int arg2 = SvIV(ST(1)); |
1458 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
1459 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
1460 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
1461 | unsigned long rc; |
1462 | |
1463 | if (CheckOSError(DosError(a))) |
1464 | croak("DosError(%d) failed", a); |
1465 | ST(0) = sv_newmortal(); |
1466 | if (DOS_harderr_state >= 0) |
1467 | sv_setiv(ST(0), DOS_harderr_state); |
1468 | DOS_harderr_state = RETVAL; |
1469 | } |
1470 | XSRETURN(1); |
1471 | } |
1472 | |
1473 | static signed char DOS_suppression_state = -1; |
1474 | |
1475 | XS(XS_OS2_Errors2Drive) |
1476 | { |
1477 | dXSARGS; |
1478 | if (items != 1) |
1479 | croak("Usage: OS2::Errors2Drive(drive)"); |
1480 | { |
2d8e6c8d |
1481 | STRLEN n_a; |
4bfbfac5 |
1482 | SV *sv = ST(0); |
1483 | int suppress = SvOK(sv); |
2d8e6c8d |
1484 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
4bfbfac5 |
1485 | char drive = (s ? *s : 0); |
1486 | unsigned long rc; |
1487 | |
1488 | if (suppress && !isALPHA(drive)) |
1489 | croak("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
1490 | if (CheckOSError(DosSuppressPopUps((suppress |
1491 | ? SPU_ENABLESUPPRESSION |
1492 | : SPU_DISABLESUPPRESSION), |
1493 | drive))) |
1494 | croak("DosSuppressPopUps(%c) failed", drive); |
1495 | ST(0) = sv_newmortal(); |
1496 | if (DOS_suppression_state > 0) |
1497 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
1498 | else if (DOS_suppression_state == 0) |
1499 | sv_setpvn(ST(0), "", 0); |
1500 | DOS_suppression_state = drive; |
1501 | } |
1502 | XSRETURN(1); |
1503 | } |
1504 | |
1505 | static const char * const si_fields[QSV_MAX] = { |
1506 | "MAX_PATH_LENGTH", |
1507 | "MAX_TEXT_SESSIONS", |
1508 | "MAX_PM_SESSIONS", |
1509 | "MAX_VDM_SESSIONS", |
1510 | "BOOT_DRIVE", |
1511 | "DYN_PRI_VARIATION", |
1512 | "MAX_WAIT", |
1513 | "MIN_SLICE", |
1514 | "MAX_SLICE", |
1515 | "PAGE_SIZE", |
1516 | "VERSION_MAJOR", |
1517 | "VERSION_MINOR", |
1518 | "VERSION_REVISION", |
1519 | "MS_COUNT", |
1520 | "TIME_LOW", |
1521 | "TIME_HIGH", |
1522 | "TOTPHYSMEM", |
1523 | "TOTRESMEM", |
1524 | "TOTAVAILMEM", |
1525 | "MAXPRMEM", |
1526 | "MAXSHMEM", |
1527 | "TIMER_INTERVAL", |
1528 | "MAX_COMP_LENGTH", |
1529 | "FOREGROUND_FS_SESSION", |
1530 | "FOREGROUND_PROCESS" |
1531 | }; |
1532 | |
1533 | XS(XS_OS2_SysInfo) |
1534 | { |
1535 | dXSARGS; |
1536 | if (items != 0) |
1537 | croak("Usage: OS2::SysInfo()"); |
1538 | { |
1539 | ULONG si[QSV_MAX] = {0}; /* System Information Data Buffer */ |
1540 | APIRET rc = NO_ERROR; /* Return code */ |
1541 | int i = 0, j = 0; |
1542 | |
1543 | if (CheckOSError(DosQuerySysInfo(1L, /* Request all available system */ |
1544 | QSV_MAX, /* information */ |
1545 | (PVOID)si, |
1546 | sizeof(si)))) |
1547 | croak("DosQuerySysInfo() failed"); |
1548 | EXTEND(SP,2*QSV_MAX); |
1549 | while (i < QSV_MAX) { |
1550 | ST(j) = sv_newmortal(); |
1551 | sv_setpv(ST(j++), si_fields[i]); |
1552 | ST(j) = sv_newmortal(); |
1553 | sv_setiv(ST(j++), si[i]); |
1554 | i++; |
1555 | } |
1556 | } |
1557 | XSRETURN(2 * QSV_MAX); |
1558 | } |
1559 | |
1560 | XS(XS_OS2_BootDrive) |
1561 | { |
1562 | dXSARGS; |
1563 | if (items != 0) |
1564 | croak("Usage: OS2::BootDrive()"); |
1565 | { |
1566 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
1567 | APIRET rc = NO_ERROR; /* Return code */ |
1568 | char c; |
1569 | |
1570 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
1571 | (PVOID)si, sizeof(si)))) |
1572 | croak("DosQuerySysInfo() failed"); |
1573 | ST(0) = sv_newmortal(); |
1574 | c = 'a' - 1 + si[0]; |
1575 | sv_setpvn(ST(0), &c, 1); |
1576 | } |
1577 | XSRETURN(1); |
1578 | } |
1579 | |
1580 | XS(XS_OS2_MorphPM) |
1581 | { |
1582 | dXSARGS; |
1583 | if (items != 1) |
1584 | croak("Usage: OS2::MorphPM(serve)"); |
1585 | { |
1586 | bool serve = SvOK(ST(0)); |
1587 | unsigned long pmq = perl_hmq_GET(serve); |
1588 | |
1589 | ST(0) = sv_newmortal(); |
1590 | sv_setiv(ST(0), pmq); |
1591 | } |
1592 | XSRETURN(1); |
1593 | } |
1594 | |
1595 | XS(XS_OS2_UnMorphPM) |
1596 | { |
1597 | dXSARGS; |
1598 | if (items != 1) |
1599 | croak("Usage: OS2::UnMorphPM(serve)"); |
1600 | { |
1601 | bool serve = SvOK(ST(0)); |
1602 | |
1603 | perl_hmq_UNSET(serve); |
1604 | } |
1605 | XSRETURN(0); |
1606 | } |
1607 | |
1608 | XS(XS_OS2_Serve_Messages) |
1609 | { |
1610 | dXSARGS; |
1611 | if (items != 1) |
1612 | croak("Usage: OS2::Serve_Messages(force)"); |
1613 | { |
1614 | bool force = SvOK(ST(0)); |
1615 | unsigned long cnt = Perl_Serve_Messages(force); |
1616 | |
1617 | ST(0) = sv_newmortal(); |
1618 | sv_setiv(ST(0), cnt); |
1619 | } |
1620 | XSRETURN(1); |
1621 | } |
1622 | |
1623 | XS(XS_OS2_Process_Messages) |
1624 | { |
1625 | dXSARGS; |
1626 | if (items < 1 || items > 2) |
1627 | croak("Usage: OS2::Process_Messages(force [, cnt])"); |
1628 | { |
1629 | bool force = SvOK(ST(0)); |
1630 | unsigned long cnt; |
1631 | I32 *cntp = NULL; |
1632 | |
1633 | if (items == 2) { |
1634 | SV *sv = ST(1); |
1635 | int fake = SvIV(sv); /* Force SvIVX */ |
1636 | |
1637 | if (!SvIOK(sv)) |
1638 | croak("Can't upgrade count to IV"); |
1639 | cntp = &SvIVX(sv); |
1640 | } |
1641 | cnt = Perl_Process_Messages(force, cntp); |
1642 | ST(0) = sv_newmortal(); |
1643 | sv_setiv(ST(0), cnt); |
1644 | } |
1645 | XSRETURN(1); |
1646 | } |
1647 | |
3bbf9c2b |
1648 | XS(XS_Cwd_current_drive) |
1649 | { |
1650 | dXSARGS; |
1651 | if (items != 0) |
1652 | croak("Usage: Cwd::current_drive()"); |
1653 | { |
1654 | char RETVAL; |
1655 | |
1656 | RETVAL = current_drive(); |
1657 | ST(0) = sv_newmortal(); |
1658 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
1659 | } |
1660 | XSRETURN(1); |
1661 | } |
1662 | |
1663 | XS(XS_Cwd_sys_chdir) |
1664 | { |
1665 | dXSARGS; |
1666 | if (items != 1) |
1667 | croak("Usage: Cwd::sys_chdir(path)"); |
1668 | { |
2d8e6c8d |
1669 | STRLEN n_a; |
1670 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1671 | bool RETVAL; |
1672 | |
1673 | RETVAL = sys_chdir(path); |
54310121 |
1674 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1675 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1676 | } |
1677 | XSRETURN(1); |
1678 | } |
1679 | |
1680 | XS(XS_Cwd_change_drive) |
1681 | { |
1682 | dXSARGS; |
1683 | if (items != 1) |
1684 | croak("Usage: Cwd::change_drive(d)"); |
1685 | { |
2d8e6c8d |
1686 | STRLEN n_a; |
1687 | char d = (char)*SvPV(ST(0),n_a); |
3bbf9c2b |
1688 | bool RETVAL; |
1689 | |
1690 | RETVAL = change_drive(d); |
54310121 |
1691 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1692 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1693 | } |
1694 | XSRETURN(1); |
1695 | } |
1696 | |
1697 | XS(XS_Cwd_sys_is_absolute) |
1698 | { |
1699 | dXSARGS; |
1700 | if (items != 1) |
1701 | croak("Usage: Cwd::sys_is_absolute(path)"); |
1702 | { |
2d8e6c8d |
1703 | STRLEN n_a; |
1704 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1705 | bool RETVAL; |
1706 | |
1707 | RETVAL = sys_is_absolute(path); |
54310121 |
1708 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1709 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1710 | } |
1711 | XSRETURN(1); |
1712 | } |
1713 | |
1714 | XS(XS_Cwd_sys_is_rooted) |
1715 | { |
1716 | dXSARGS; |
1717 | if (items != 1) |
1718 | croak("Usage: Cwd::sys_is_rooted(path)"); |
1719 | { |
2d8e6c8d |
1720 | STRLEN n_a; |
1721 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1722 | bool RETVAL; |
1723 | |
1724 | RETVAL = sys_is_rooted(path); |
54310121 |
1725 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1726 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1727 | } |
1728 | XSRETURN(1); |
1729 | } |
1730 | |
1731 | XS(XS_Cwd_sys_is_relative) |
1732 | { |
1733 | dXSARGS; |
1734 | if (items != 1) |
1735 | croak("Usage: Cwd::sys_is_relative(path)"); |
1736 | { |
2d8e6c8d |
1737 | STRLEN n_a; |
1738 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1739 | bool RETVAL; |
1740 | |
1741 | RETVAL = sys_is_relative(path); |
54310121 |
1742 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1743 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1744 | } |
1745 | XSRETURN(1); |
1746 | } |
1747 | |
1748 | XS(XS_Cwd_sys_cwd) |
1749 | { |
1750 | dXSARGS; |
1751 | if (items != 0) |
1752 | croak("Usage: Cwd::sys_cwd()"); |
1753 | { |
1754 | char p[MAXPATHLEN]; |
1755 | char * RETVAL; |
1756 | RETVAL = _getcwd2(p, MAXPATHLEN); |
1757 | ST(0) = sv_newmortal(); |
1758 | sv_setpv((SV*)ST(0), RETVAL); |
1759 | } |
1760 | XSRETURN(1); |
1761 | } |
1762 | |
1763 | XS(XS_Cwd_sys_abspath) |
1764 | { |
1765 | dXSARGS; |
1766 | if (items < 1 || items > 2) |
1767 | croak("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
1768 | { |
2d8e6c8d |
1769 | STRLEN n_a; |
1770 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1771 | char * dir; |
1772 | char p[MAXPATHLEN]; |
1773 | char * RETVAL; |
1774 | |
1775 | if (items < 2) |
1776 | dir = NULL; |
1777 | else { |
2d8e6c8d |
1778 | dir = (char *)SvPV(ST(1),n_a); |
3bbf9c2b |
1779 | } |
1780 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
1781 | path += 2; |
1782 | } |
1783 | if (dir == NULL) { |
1784 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1785 | RETVAL = p; |
1786 | } else { |
1787 | RETVAL = NULL; |
1788 | } |
1789 | } else { |
1790 | /* Absolute with drive: */ |
1791 | if ( sys_is_absolute(path) ) { |
1792 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1793 | RETVAL = p; |
1794 | } else { |
1795 | RETVAL = NULL; |
1796 | } |
1797 | } else if (path[0] == '/' || path[0] == '\\') { |
1798 | /* Rooted, but maybe on different drive. */ |
1799 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
1800 | char p1[MAXPATHLEN]; |
1801 | |
1802 | /* Need to prepend the drive. */ |
1803 | p1[0] = dir[0]; |
1804 | p1[1] = dir[1]; |
1805 | Copy(path, p1 + 2, strlen(path) + 1, char); |
1806 | RETVAL = p; |
1807 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1808 | RETVAL = p; |
1809 | } else { |
1810 | RETVAL = NULL; |
1811 | } |
1812 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1813 | RETVAL = p; |
1814 | } else { |
1815 | RETVAL = NULL; |
1816 | } |
1817 | } else { |
1818 | /* Either path is relative, or starts with a drive letter. */ |
1819 | /* If the path starts with a drive letter, then dir is |
1820 | relevant only if |
1821 | a/b) it is absolute/x:relative on the same drive. |
1822 | c) path is on current drive, and dir is rooted |
1823 | In all the cases it is safe to drop the drive part |
1824 | of the path. */ |
1825 | if ( !sys_is_relative(path) ) { |
1826 | int is_drived; |
1827 | |
1828 | if ( ( ( sys_is_absolute(dir) |
1829 | || (isALPHA(dir[0]) && dir[1] == ':' |
1830 | && strnicmp(dir, path,1) == 0)) |
1831 | && strnicmp(dir, path,1) == 0) |
1832 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
1833 | && toupper(path[0]) == current_drive())) { |
1834 | path += 2; |
1835 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1836 | RETVAL = p; goto done; |
1837 | } else { |
1838 | RETVAL = NULL; goto done; |
1839 | } |
1840 | } |
1841 | { |
1842 | /* Need to prepend the absolute path of dir. */ |
1843 | char p1[MAXPATHLEN]; |
1844 | |
1845 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
1846 | int l = strlen(p1); |
1847 | |
1848 | if (p1[ l - 1 ] != '/') { |
1849 | p1[ l ] = '/'; |
1850 | l++; |
1851 | } |
1852 | Copy(path, p1 + l, strlen(path) + 1, char); |
1853 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1854 | RETVAL = p; |
1855 | } else { |
1856 | RETVAL = NULL; |
1857 | } |
1858 | } else { |
1859 | RETVAL = NULL; |
1860 | } |
1861 | } |
1862 | done: |
1863 | } |
1864 | } |
1865 | ST(0) = sv_newmortal(); |
1866 | sv_setpv((SV*)ST(0), RETVAL); |
1867 | } |
1868 | XSRETURN(1); |
1869 | } |
72ea3524 |
1870 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
1871 | |
1872 | APIRET |
1873 | ExtLIBPATH(ULONG ord, PSZ path, ULONG type) |
1874 | { |
4bfbfac5 |
1875 | loadByOrd("doscalls",ord); /* Guarantied to load or die! */ |
72ea3524 |
1876 | return (*(PELP)ExtFCN[ord])(path, type); |
1877 | } |
3bbf9c2b |
1878 | |
72ea3524 |
1879 | #define extLibpath(type) \ |
1880 | (CheckOSError(ExtLIBPATH(ORD_QUERY_ELP, to, ((type) ? END_LIBPATH \ |
1881 | : BEGIN_LIBPATH))) \ |
3bbf9c2b |
1882 | ? NULL : to ) |
1883 | |
1884 | #define extLibpath_set(p,type) \ |
72ea3524 |
1885 | (!CheckOSError(ExtLIBPATH(ORD_SET_ELP, (p), ((type) ? END_LIBPATH \ |
1886 | : BEGIN_LIBPATH)))) |
3bbf9c2b |
1887 | |
1888 | XS(XS_Cwd_extLibpath) |
1889 | { |
1890 | dXSARGS; |
1891 | if (items < 0 || items > 1) |
1892 | croak("Usage: Cwd::extLibpath(type = 0)"); |
1893 | { |
1894 | bool type; |
1895 | char to[1024]; |
1896 | U32 rc; |
1897 | char * RETVAL; |
1898 | |
1899 | if (items < 1) |
1900 | type = 0; |
1901 | else { |
1902 | type = (int)SvIV(ST(0)); |
1903 | } |
1904 | |
1905 | RETVAL = extLibpath(type); |
1906 | ST(0) = sv_newmortal(); |
1907 | sv_setpv((SV*)ST(0), RETVAL); |
1908 | } |
1909 | XSRETURN(1); |
1910 | } |
1911 | |
1912 | XS(XS_Cwd_extLibpath_set) |
1913 | { |
1914 | dXSARGS; |
1915 | if (items < 1 || items > 2) |
1916 | croak("Usage: Cwd::extLibpath_set(s, type = 0)"); |
1917 | { |
2d8e6c8d |
1918 | STRLEN n_a; |
1919 | char * s = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1920 | bool type; |
1921 | U32 rc; |
1922 | bool RETVAL; |
1923 | |
1924 | if (items < 2) |
1925 | type = 0; |
1926 | else { |
1927 | type = (int)SvIV(ST(1)); |
1928 | } |
1929 | |
1930 | RETVAL = extLibpath_set(s, type); |
54310121 |
1931 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1932 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1933 | } |
1934 | XSRETURN(1); |
1935 | } |
1936 | |
1937 | int |
1938 | Xs_OS2_init() |
1939 | { |
1940 | char *file = __FILE__; |
1941 | { |
1942 | GV *gv; |
55497cff |
1943 | |
1944 | if (_emx_env & 0x200) { /* OS/2 */ |
1945 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
1946 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
1947 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
1948 | } |
4bfbfac5 |
1949 | newXS("OS2::Error", XS_OS2_Error, file); |
1950 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
1951 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
1952 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
1953 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
1954 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
1955 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
1956 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
3bbf9c2b |
1957 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
1958 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
1959 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
1960 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
1961 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
1962 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
1963 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
1964 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
1965 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
3bbf9c2b |
1966 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
1967 | GvMULTI_on(gv); |
1968 | #ifdef PERL_IS_AOUT |
1969 | sv_setiv(GvSV(gv), 1); |
1970 | #endif |
4bfbfac5 |
1971 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
1972 | GvMULTI_on(gv); |
1973 | sv_setiv(GvSV(gv), _emx_rev); |
1974 | sv_setpv(GvSV(gv), _emx_vprt); |
1975 | SvIOK_on(GvSV(gv)); |
1976 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
1977 | GvMULTI_on(gv); |
1978 | sv_setiv(GvSV(gv), _emx_env); |
1979 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
1980 | GvMULTI_on(gv); |
1981 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
3bbf9c2b |
1982 | } |
1983 | } |
1984 | |
1985 | OS2_Perl_data_t OS2_Perl_data; |
1986 | |
1987 | void |
aa689395 |
1988 | Perl_OS2_init(char **env) |
3bbf9c2b |
1989 | { |
1990 | char *shell; |
1991 | |
18f739ee |
1992 | MALLOC_INIT; |
3bbf9c2b |
1993 | settmppath(); |
1994 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
28743a51 |
1995 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
aa689395 |
1996 | if (environ == NULL) { |
1997 | environ = env; |
1998 | } |
3bbf9c2b |
1999 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
6b88bc9c |
2000 | New(1304, PL_sh_path, strlen(SH_PATH) + 1, char); |
2001 | strcpy(PL_sh_path, SH_PATH); |
2002 | PL_sh_path[0] = shell[0]; |
3bbf9c2b |
2003 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
ff68c719 |
2004 | int l = strlen(shell), i; |
3bbf9c2b |
2005 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
2006 | l--; |
2007 | } |
6b88bc9c |
2008 | New(1304, PL_sh_path, l + 8, char); |
2009 | strncpy(PL_sh_path, shell, l); |
2010 | strcpy(PL_sh_path + l, "/sh.exe"); |
ff68c719 |
2011 | for (i = 0; i < l; i++) { |
6b88bc9c |
2012 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
ff68c719 |
2013 | } |
3bbf9c2b |
2014 | } |
dd96f567 |
2015 | MUTEX_INIT(&start_thread_mutex); |
017f25f1 |
2016 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
3bbf9c2b |
2017 | } |
2018 | |
55497cff |
2019 | #undef tmpnam |
2020 | #undef tmpfile |
2021 | |
2022 | char * |
2023 | my_tmpnam (char *str) |
2024 | { |
2025 | char *p = getenv("TMP"), *tpath; |
2026 | int len; |
2027 | |
2028 | if (!p) p = getenv("TEMP"); |
2029 | tpath = tempnam(p, "pltmp"); |
2030 | if (str && tpath) { |
2031 | strcpy(str, tpath); |
2032 | return str; |
2033 | } |
2034 | return tpath; |
2035 | } |
2036 | |
2037 | FILE * |
2038 | my_tmpfile () |
2039 | { |
2040 | struct stat s; |
2041 | |
2042 | stat(".", &s); |
2043 | if (s.st_mode & S_IWOTH) { |
2044 | return tmpfile(); |
2045 | } |
2046 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
2047 | grants TMP. */ |
2048 | } |
367f3c24 |
2049 | |
2050 | #undef flock |
2051 | |
2052 | /* This code was contributed by Rocco Caputo. */ |
2053 | int |
dd96f567 |
2054 | my_flock(int handle, int o) |
367f3c24 |
2055 | { |
2056 | FILELOCK rNull, rFull; |
2057 | ULONG timeout, handle_type, flag_word; |
2058 | APIRET rc; |
2059 | int blocking, shared; |
2060 | static int use_my = -1; |
2061 | |
2062 | if (use_my == -1) { |
2063 | char *s = getenv("USE_PERL_FLOCK"); |
2064 | if (s) |
2065 | use_my = atoi(s); |
2066 | else |
2067 | use_my = 1; |
2068 | } |
2069 | if (!(_emx_env & 0x200) || !use_my) |
dd96f567 |
2070 | return flock(handle, o); /* Delegate to EMX. */ |
367f3c24 |
2071 | |
2072 | // is this a file? |
2073 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
2074 | (handle_type & 0xFF)) |
2075 | { |
2076 | errno = EBADF; |
2077 | return -1; |
2078 | } |
2079 | // set lock/unlock ranges |
2080 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
2081 | rFull.lRange = 0x7FFFFFFF; |
2082 | // set timeout for blocking |
dd96f567 |
2083 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
367f3c24 |
2084 | // shared or exclusive? |
dd96f567 |
2085 | shared = (o & LOCK_SH) ? 1 : 0; |
367f3c24 |
2086 | // do not block the unlock |
dd96f567 |
2087 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
367f3c24 |
2088 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
2089 | switch (rc) { |
2090 | case 0: |
2091 | errno = 0; |
2092 | return 0; |
2093 | case ERROR_INVALID_HANDLE: |
2094 | errno = EBADF; |
2095 | return -1; |
2096 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2097 | errno = ENOLCK; |
2098 | return -1; |
2099 | case ERROR_LOCK_VIOLATION: |
2100 | break; // not an error |
2101 | case ERROR_INVALID_PARAMETER: |
2102 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2103 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2104 | errno = EINVAL; |
2105 | return -1; |
2106 | case ERROR_INTERRUPT: |
2107 | errno = EINTR; |
2108 | return -1; |
2109 | default: |
2110 | errno = EINVAL; |
2111 | return -1; |
2112 | } |
2113 | } |
2114 | // lock may block |
dd96f567 |
2115 | if (o & (LOCK_SH | LOCK_EX)) { |
367f3c24 |
2116 | // for blocking operations |
2117 | for (;;) { |
2118 | rc = |
2119 | DosSetFileLocks( |
2120 | handle, |
2121 | &rNull, |
2122 | &rFull, |
2123 | timeout, |
2124 | shared |
2125 | ); |
2126 | switch (rc) { |
2127 | case 0: |
2128 | errno = 0; |
2129 | return 0; |
2130 | case ERROR_INVALID_HANDLE: |
2131 | errno = EBADF; |
2132 | return -1; |
2133 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2134 | errno = ENOLCK; |
2135 | return -1; |
2136 | case ERROR_LOCK_VIOLATION: |
2137 | if (!blocking) { |
2138 | errno = EWOULDBLOCK; |
2139 | return -1; |
2140 | } |
2141 | break; |
2142 | case ERROR_INVALID_PARAMETER: |
2143 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2144 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2145 | errno = EINVAL; |
2146 | return -1; |
2147 | case ERROR_INTERRUPT: |
2148 | errno = EINTR; |
2149 | return -1; |
2150 | default: |
2151 | errno = EINVAL; |
2152 | return -1; |
2153 | } |
2154 | // give away timeslice |
2155 | DosSleep(1); |
2156 | } |
2157 | } |
2158 | |
2159 | errno = 0; |
2160 | return 0; |
2161 | } |