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 |
ed344e4f |
6 | /* These 3 are needed for compile if os2.h includes os2tk.h, not os2emx.h */ |
7 | #define INCL_DOSPROCESS |
8 | #define SPU_DISABLESUPPRESSION 0 |
9 | #define SPU_ENABLESUPPRESSION 1 |
4633a7c4 |
10 | #include <os2.h> |
5ba48348 |
11 | #include "dlfcn.h" |
5c728af0 |
12 | #include <emx/syscalls.h> |
4633a7c4 |
13 | |
28743a51 |
14 | #include <sys/uflags.h> |
15 | |
4633a7c4 |
16 | /* |
17 | * Various Unix compatibility functions for OS/2 |
18 | */ |
19 | |
20 | #include <stdio.h> |
21 | #include <errno.h> |
22 | #include <limits.h> |
23 | #include <process.h> |
72ea3524 |
24 | #include <fcntl.h> |
f72c975a |
25 | #include <pwd.h> |
26 | #include <grp.h> |
4633a7c4 |
27 | |
a03d92b2 |
28 | #define PERLIO_NOT_STDIO 0 |
8e4bc33b |
29 | |
4633a7c4 |
30 | #include "EXTERN.h" |
31 | #include "perl.h" |
32 | |
5c728af0 |
33 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
34 | |
35 | typedef void (*emx_startroutine)(void *); |
36 | typedef void* (*pthreads_startroutine)(void *); |
37 | |
38 | enum pthreads_state { |
39 | pthreads_st_none = 0, |
40 | pthreads_st_run, |
41 | pthreads_st_exited, |
42 | pthreads_st_detached, |
43 | pthreads_st_waited, |
44 | pthreads_st_norun, |
45 | pthreads_st_exited_waited, |
46 | }; |
47 | const char *pthreads_states[] = { |
48 | "uninit", |
49 | "running", |
50 | "exited", |
51 | "detached", |
52 | "waited for", |
53 | "could not start", |
54 | "exited, then waited on", |
55 | }; |
56 | |
57 | enum pthread_exists { pthread_not_existant = -0xff }; |
58 | |
59 | static const char* |
60 | pthreads_state_string(enum pthreads_state state) |
61 | { |
62 | if (state < 0 || state >= sizeof(pthreads_states)/sizeof(*pthreads_states)) { |
63 | static char buf[80]; |
64 | |
65 | snprintf(buf, sizeof(buf), "unknown thread state %d", (int)state); |
66 | return buf; |
67 | } |
68 | return pthreads_states[state]; |
69 | } |
70 | |
71 | typedef struct { |
72 | void *status; |
73 | perl_cond cond; |
74 | enum pthreads_state state; |
75 | } thread_join_t; |
76 | |
77 | thread_join_t *thread_join_data; |
78 | int thread_join_count; |
79 | perl_mutex start_thread_mutex; |
80 | |
81 | int |
82 | pthread_join(perl_os_thread tid, void **status) |
83 | { |
84 | MUTEX_LOCK(&start_thread_mutex); |
85 | if (tid < 1 || tid >= thread_join_count) { |
86 | MUTEX_UNLOCK(&start_thread_mutex); |
87 | if (tid != pthread_not_existant) |
88 | Perl_croak_nocontext("panic: join with a thread with strange ordinal %d", (int)tid); |
89 | Perl_warn_nocontext("panic: join with a thread which could not start"); |
90 | *status = 0; |
91 | return 0; |
92 | } |
93 | switch (thread_join_data[tid].state) { |
94 | case pthreads_st_exited: |
95 | thread_join_data[tid].state = pthreads_st_exited_waited; |
96 | *status = thread_join_data[tid].status; |
97 | MUTEX_UNLOCK(&start_thread_mutex); |
98 | COND_SIGNAL(&thread_join_data[tid].cond); |
99 | break; |
100 | case pthreads_st_waited: |
101 | MUTEX_UNLOCK(&start_thread_mutex); |
102 | Perl_croak_nocontext("join with a thread with a waiter"); |
103 | break; |
104 | case pthreads_st_norun: |
105 | { |
106 | int state = (int)thread_join_data[tid].status; |
107 | |
108 | thread_join_data[tid].state = pthreads_st_none; |
109 | MUTEX_UNLOCK(&start_thread_mutex); |
110 | Perl_croak_nocontext("panic: join with a thread which could not run" |
111 | " due to attempt of tid reuse (state='%s')", |
112 | pthreads_state_string(state)); |
113 | break; |
114 | } |
115 | case pthreads_st_run: |
116 | { |
117 | perl_cond cond; |
118 | |
119 | thread_join_data[tid].state = pthreads_st_waited; |
120 | thread_join_data[tid].status = (void *)status; |
121 | COND_INIT(&thread_join_data[tid].cond); |
122 | cond = thread_join_data[tid].cond; |
123 | COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex); |
124 | COND_DESTROY(&cond); |
125 | MUTEX_UNLOCK(&start_thread_mutex); |
126 | break; |
127 | } |
128 | default: |
129 | MUTEX_UNLOCK(&start_thread_mutex); |
130 | Perl_croak_nocontext("panic: join with thread in unknown thread state: '%s'", |
131 | pthreads_state_string(thread_join_data[tid].state)); |
132 | break; |
133 | } |
134 | return 0; |
135 | } |
136 | |
137 | typedef struct { |
138 | pthreads_startroutine sub; |
139 | void *arg; |
140 | void *ctx; |
141 | } pthr_startit; |
142 | |
143 | /* The lock is used: |
144 | a) Since we temporarily usurp the caller interp, so malloc() may |
145 | use it to decide on debugging the call; |
146 | b) Since *args is on the caller's stack. |
147 | */ |
148 | void |
149 | pthread_startit(void *arg1) |
150 | { |
151 | /* Thread is already started, we need to transfer control only */ |
152 | pthr_startit args = *(pthr_startit *)arg1; |
153 | int tid = pthread_self(); |
154 | void *rc; |
155 | int state; |
156 | |
157 | if (tid <= 1) { |
158 | /* Can't croak, the setjmp() is not in scope... */ |
159 | char buf[80]; |
160 | |
161 | snprintf(buf, sizeof(buf), |
162 | "panic: thread with strange ordinal %d created\n\r", tid); |
163 | write(2,buf,strlen(buf)); |
164 | MUTEX_UNLOCK(&start_thread_mutex); |
165 | return; |
166 | } |
167 | /* Until args.sub resets it, makes debugging Perl_malloc() work: */ |
168 | PERL_SET_CONTEXT(0); |
169 | if (tid >= thread_join_count) { |
170 | int oc = thread_join_count; |
171 | |
172 | thread_join_count = tid + 5 + tid/5; |
173 | if (thread_join_data) { |
174 | Renew(thread_join_data, thread_join_count, thread_join_t); |
175 | Zero(thread_join_data + oc, thread_join_count - oc, thread_join_t); |
176 | } else { |
177 | Newz(1323, thread_join_data, thread_join_count, thread_join_t); |
178 | } |
179 | } |
180 | if (thread_join_data[tid].state != pthreads_st_none) { |
181 | /* Can't croak, the setjmp() is not in scope... */ |
182 | char buf[80]; |
183 | |
184 | snprintf(buf, sizeof(buf), |
185 | "panic: attempt to reuse thread id %d (state='%s')\n\r", |
186 | tid, pthreads_state_string(thread_join_data[tid].state)); |
187 | write(2,buf,strlen(buf)); |
188 | thread_join_data[tid].status = (void*)thread_join_data[tid].state; |
189 | thread_join_data[tid].state = pthreads_st_norun; |
190 | MUTEX_UNLOCK(&start_thread_mutex); |
191 | return; |
192 | } |
193 | thread_join_data[tid].state = pthreads_st_run; |
194 | /* Now that we copied/updated the guys, we may release the caller... */ |
195 | MUTEX_UNLOCK(&start_thread_mutex); |
196 | rc = (*args.sub)(args.arg); |
197 | MUTEX_LOCK(&start_thread_mutex); |
198 | switch (thread_join_data[tid].state) { |
199 | case pthreads_st_waited: |
200 | COND_SIGNAL(&thread_join_data[tid].cond); |
201 | thread_join_data[tid].state = pthreads_st_none; |
202 | *((void**)thread_join_data[tid].status) = rc; |
203 | break; |
204 | case pthreads_st_detached: |
205 | thread_join_data[tid].state = pthreads_st_none; |
206 | break; |
207 | case pthreads_st_run: |
208 | /* Somebody can wait on us; cannot exit, since OS can reuse the tid |
209 | and our waiter will get somebody else's status. */ |
210 | thread_join_data[tid].state = pthreads_st_exited; |
211 | thread_join_data[tid].status = rc; |
212 | COND_INIT(&thread_join_data[tid].cond); |
213 | COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex); |
214 | COND_DESTROY(&thread_join_data[tid].cond); |
215 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
216 | break; |
217 | default: |
218 | state = thread_join_data[tid].state; |
219 | MUTEX_UNLOCK(&start_thread_mutex); |
220 | Perl_croak_nocontext("panic: unexpected thread state on exit: '%s'", |
221 | pthreads_state_string(state)); |
222 | } |
223 | MUTEX_UNLOCK(&start_thread_mutex); |
224 | } |
225 | |
226 | int |
227 | pthread_create(perl_os_thread *tidp, const pthread_attr_t *attr, |
228 | void *(*start_routine)(void*), void *arg) |
229 | { |
230 | dTHX; |
231 | pthr_startit args; |
232 | |
233 | args.sub = (void*)start_routine; |
234 | args.arg = arg; |
235 | args.ctx = PERL_GET_CONTEXT; |
236 | |
237 | MUTEX_LOCK(&start_thread_mutex); |
238 | /* Test suite creates 31 extra threads; |
239 | on machine without shared-memory-hogs this stack sizeis OK with 31: */ |
240 | *tidp = _beginthread(pthread_startit, /*stack*/ NULL, |
241 | /*stacksize*/ 4*1024*1024, (void*)&args); |
242 | if (*tidp == -1) { |
243 | *tidp = pthread_not_existant; |
244 | MUTEX_UNLOCK(&start_thread_mutex); |
245 | return EINVAL; |
246 | } |
247 | MUTEX_LOCK(&start_thread_mutex); /* Wait for init to proceed */ |
248 | MUTEX_UNLOCK(&start_thread_mutex); |
249 | return 0; |
250 | } |
251 | |
252 | int |
253 | pthread_detach(perl_os_thread tid) |
254 | { |
255 | MUTEX_LOCK(&start_thread_mutex); |
256 | if (tid < 1 || tid >= thread_join_count) { |
257 | MUTEX_UNLOCK(&start_thread_mutex); |
258 | if (tid != pthread_not_existant) |
259 | Perl_croak_nocontext("panic: detach of a thread with strange ordinal %d", (int)tid); |
260 | Perl_warn_nocontext("detach of a thread which could not start"); |
261 | return 0; |
262 | } |
263 | switch (thread_join_data[tid].state) { |
264 | case pthreads_st_waited: |
265 | MUTEX_UNLOCK(&start_thread_mutex); |
266 | Perl_croak_nocontext("detach on a thread with a waiter"); |
267 | break; |
268 | case pthreads_st_run: |
269 | thread_join_data[tid].state = pthreads_st_detached; |
270 | MUTEX_UNLOCK(&start_thread_mutex); |
271 | break; |
272 | case pthreads_st_exited: |
273 | MUTEX_UNLOCK(&start_thread_mutex); |
274 | COND_SIGNAL(&thread_join_data[tid].cond); |
275 | break; |
276 | case pthreads_st_detached: |
277 | MUTEX_UNLOCK(&start_thread_mutex); |
278 | Perl_warn_nocontext("detach on an already detached thread"); |
279 | break; |
280 | case pthreads_st_norun: |
281 | { |
282 | int state = (int)thread_join_data[tid].status; |
283 | |
284 | thread_join_data[tid].state = pthreads_st_none; |
285 | MUTEX_UNLOCK(&start_thread_mutex); |
286 | Perl_croak_nocontext("panic: detaching thread which could not run" |
287 | " due to attempt of tid reuse (state='%s')", |
288 | pthreads_state_string(state)); |
289 | break; |
290 | } |
291 | default: |
292 | MUTEX_UNLOCK(&start_thread_mutex); |
293 | Perl_croak_nocontext("panic: detach of a thread with unknown thread state: '%s'", |
294 | pthreads_state_string(thread_join_data[tid].state)); |
295 | break; |
296 | } |
297 | return 0; |
298 | } |
299 | |
300 | /* This is a very bastardized version; may be OK due to edge trigger of Wait */ |
301 | int |
302 | os2_cond_wait(perl_cond *c, perl_mutex *m) |
303 | { |
304 | int rc; |
305 | STRLEN n_a; |
306 | if ((rc = DosResetEventSem(*c,&n_a)) && (rc != ERROR_ALREADY_RESET)) |
307 | Perl_croak_nocontext("panic: COND_WAIT-reset: rc=%i", rc); |
308 | if (m) MUTEX_UNLOCK(m); |
309 | if (CheckOSError(DosWaitEventSem(*c,SEM_INDEFINITE_WAIT)) |
310 | && (rc != ERROR_INTERRUPT)) |
311 | Perl_croak_nocontext("panic: COND_WAIT: rc=%i", rc); |
312 | if (rc == ERROR_INTERRUPT) |
313 | errno = EINTR; |
314 | if (m) MUTEX_LOCK(m); |
315 | return 0; |
316 | } |
317 | #endif |
318 | |
764df951 |
319 | static int exe_is_aout(void); |
320 | |
4633a7c4 |
321 | /*****************************************************************************/ |
72ea3524 |
322 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
35bc1fdc |
323 | #define C_ARR_LEN(sym) (sizeof(sym)/sizeof(*sym)) |
324 | |
325 | struct dll_handle { |
326 | const char *modname; |
327 | HMODULE handle; |
328 | }; |
329 | static struct dll_handle doscalls_handle = {"doscalls", 0}; |
330 | static struct dll_handle tcp_handle = {"tcp32dll", 0}; |
331 | static struct dll_handle pmwin_handle = {"pmwin", 0}; |
332 | static struct dll_handle rexx_handle = {"rexx", 0}; |
333 | static struct dll_handle rexxapi_handle = {"rexxapi", 0}; |
334 | static struct dll_handle sesmgr_handle = {"sesmgr", 0}; |
335 | static struct dll_handle pmshapi_handle = {"pmshapi", 0}; |
336 | |
337 | /* This should match enum entries_ordinals defined in os2ish.h. */ |
338 | static const struct { |
339 | struct dll_handle *dll; |
340 | const char *entryname; |
341 | int entrypoint; |
342 | } loadOrdinals[ORD_NENTRIES] = { |
343 | {&doscalls_handle, NULL, 874}, /* DosQueryExtLibpath */ |
344 | {&doscalls_handle, NULL, 873}, /* DosSetExtLibpath */ |
345 | {&doscalls_handle, NULL, 460}, /* DosVerifyPidTid */ |
346 | {&tcp_handle, "SETHOSTENT", 0}, |
347 | {&tcp_handle, "SETNETENT" , 0}, |
348 | {&tcp_handle, "SETPROTOENT", 0}, |
349 | {&tcp_handle, "SETSERVENT", 0}, |
350 | {&tcp_handle, "GETHOSTENT", 0}, |
351 | {&tcp_handle, "GETNETENT" , 0}, |
352 | {&tcp_handle, "GETPROTOENT", 0}, |
353 | {&tcp_handle, "GETSERVENT", 0}, |
354 | {&tcp_handle, "ENDHOSTENT", 0}, |
355 | {&tcp_handle, "ENDNETENT", 0}, |
356 | {&tcp_handle, "ENDPROTOENT", 0}, |
357 | {&tcp_handle, "ENDSERVENT", 0}, |
358 | {&pmwin_handle, NULL, 763}, /* WinInitialize */ |
359 | {&pmwin_handle, NULL, 716}, /* WinCreateMsgQueue */ |
360 | {&pmwin_handle, NULL, 726}, /* WinDestroyMsgQueue */ |
361 | {&pmwin_handle, NULL, 918}, /* WinPeekMsg */ |
362 | {&pmwin_handle, NULL, 915}, /* WinGetMsg */ |
363 | {&pmwin_handle, NULL, 912}, /* WinDispatchMsg */ |
364 | {&pmwin_handle, NULL, 753}, /* WinGetLastError */ |
365 | {&pmwin_handle, NULL, 705}, /* WinCancelShutdown */ |
366 | /* These are needed in extensions. |
367 | How to protect PMSHAPI: it comes through EMX functions? */ |
368 | {&rexx_handle, "RexxStart", 0}, |
369 | {&rexx_handle, "RexxVariablePool", 0}, |
370 | {&rexxapi_handle, "RexxRegisterFunctionExe", 0}, |
371 | {&rexxapi_handle, "RexxDeregisterFunction", 0}, |
372 | {&sesmgr_handle, "DOSSMSETTITLE", 0}, /* Would not work runtime-loaded */ |
373 | {&pmshapi_handle, "PRF32QUERYPROFILESIZE", 0}, |
374 | {&pmshapi_handle, "PRF32OPENPROFILE", 0}, |
375 | {&pmshapi_handle, "PRF32CLOSEPROFILE", 0}, |
376 | {&pmshapi_handle, "PRF32QUERYPROFILE", 0}, |
377 | {&pmshapi_handle, "PRF32RESET", 0}, |
378 | {&pmshapi_handle, "PRF32QUERYPROFILEDATA", 0}, |
379 | {&pmshapi_handle, "PRF32WRITEPROFILEDATA", 0}, |
380 | |
381 | /* At least some of these do not work by name, since they need |
382 | WIN32 instead of WIN... */ |
383 | #if 0 |
384 | These were generated with |
385 | nm I:\emx\lib\os2.a | fgrep -f API-list | grep = > API-list-entries |
386 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( ORD_$1,)" API-list-entries > API-list-ORD_ |
387 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( {${2}_handle, NULL, $3},\t\t/* $1 */)" WinSwitch-API-list-entries >API-list-entry |
388 | #endif |
389 | {&pmshapi_handle, NULL, 123}, /* WinChangeSwitchEntry */ |
390 | {&pmshapi_handle, NULL, 124}, /* WinQuerySwitchEntry */ |
391 | {&pmshapi_handle, NULL, 125}, /* WinQuerySwitchHandle */ |
392 | {&pmshapi_handle, NULL, 126}, /* WinQuerySwitchList */ |
393 | {&pmshapi_handle, NULL, 131}, /* WinSwitchToProgram */ |
394 | {&pmwin_handle, NULL, 702}, /* WinBeginEnumWindows */ |
395 | {&pmwin_handle, NULL, 737}, /* WinEndEnumWindows */ |
396 | {&pmwin_handle, NULL, 740}, /* WinEnumDlgItem */ |
397 | {&pmwin_handle, NULL, 756}, /* WinGetNextWindow */ |
398 | {&pmwin_handle, NULL, 768}, /* WinIsChild */ |
399 | {&pmwin_handle, NULL, 799}, /* WinQueryActiveWindow */ |
400 | {&pmwin_handle, NULL, 805}, /* WinQueryClassName */ |
401 | {&pmwin_handle, NULL, 817}, /* WinQueryFocus */ |
402 | {&pmwin_handle, NULL, 834}, /* WinQueryWindow */ |
403 | {&pmwin_handle, NULL, 837}, /* WinQueryWindowPos */ |
404 | {&pmwin_handle, NULL, 838}, /* WinQueryWindowProcess */ |
405 | {&pmwin_handle, NULL, 841}, /* WinQueryWindowText */ |
406 | {&pmwin_handle, NULL, 842}, /* WinQueryWindowTextLength */ |
407 | {&pmwin_handle, NULL, 860}, /* WinSetFocus */ |
408 | {&pmwin_handle, NULL, 875}, /* WinSetWindowPos */ |
409 | {&pmwin_handle, NULL, 877}, /* WinSetWindowText */ |
410 | {&pmwin_handle, NULL, 883}, /* WinShowWindow */ |
30500b05 |
411 | {&pmwin_handle, NULL, 772}, /* WinIsWindow */ |
35bc1fdc |
412 | {&pmwin_handle, NULL, 899}, /* WinWindowFromId */ |
413 | {&pmwin_handle, NULL, 900}, /* WinWindowFromPoint */ |
414 | {&pmwin_handle, NULL, 919}, /* WinPostMsg */ |
30500b05 |
415 | {&pmwin_handle, NULL, 735}, /* WinEnableWindow */ |
416 | {&pmwin_handle, NULL, 736}, /* WinEnableWindowUpdate */ |
417 | {&pmwin_handle, NULL, 773}, /* WinIsWindowEnabled */ |
418 | {&pmwin_handle, NULL, 774}, /* WinIsWindowShowing */ |
419 | {&pmwin_handle, NULL, 775}, /* WinIsWindowVisible */ |
420 | {&pmwin_handle, NULL, 839}, /* WinQueryWindowPtr */ |
421 | {&pmwin_handle, NULL, 843}, /* WinQueryWindowULong */ |
422 | {&pmwin_handle, NULL, 844}, /* WinQueryWindowUShort */ |
423 | {&pmwin_handle, NULL, 874}, /* WinSetWindowBits */ |
424 | {&pmwin_handle, NULL, 876}, /* WinSetWindowPtr */ |
425 | {&pmwin_handle, NULL, 878}, /* WinSetWindowULong */ |
426 | {&pmwin_handle, NULL, 879}, /* WinSetWindowUShort */ |
427 | {&pmwin_handle, NULL, 813}, /* WinQueryDesktopWindow */ |
428 | {&pmwin_handle, NULL, 851}, /* WinSetActiveWindow */ |
429 | {&doscalls_handle, NULL, 360}, /* DosQueryModFromEIP */ |
35bc1fdc |
430 | }; |
431 | |
432 | static PFN ExtFCN[C_ARR_LEN(loadOrdinals)]; /* Labeled by ord ORD_*. */ |
433 | const Perl_PFN * const pExtFCN = ExtFCN; |
4bfbfac5 |
434 | struct PMWIN_entries_t PMWIN_entries; |
72ea3524 |
435 | |
5ba48348 |
436 | HMODULE |
35bc1fdc |
437 | loadModule(const char *modname, int fail) |
5ba48348 |
438 | { |
439 | HMODULE h = (HMODULE)dlopen(modname, 0); |
35bc1fdc |
440 | |
441 | if (!h && fail) |
5ba48348 |
442 | Perl_croak_nocontext("Error loading module '%s': %s", |
443 | modname, dlerror()); |
444 | return h; |
445 | } |
446 | |
35bc1fdc |
447 | PFN |
448 | loadByOrdinal(enum entries_ordinals ord, int fail) |
72ea3524 |
449 | { |
450 | if (ExtFCN[ord] == NULL) { |
e71dd89f |
451 | PFN fcn = (PFN)-1; |
72ea3524 |
452 | APIRET rc; |
453 | |
35bc1fdc |
454 | if (!loadOrdinals[ord].dll->handle) |
455 | loadOrdinals[ord].dll->handle |
456 | = loadModule(loadOrdinals[ord].dll->modname, fail); |
457 | if (!loadOrdinals[ord].dll->handle) |
458 | return 0; /* Possible with FAIL==0 only */ |
459 | if (CheckOSError(DosQueryProcAddr(loadOrdinals[ord].dll->handle, |
460 | loadOrdinals[ord].entrypoint, |
461 | loadOrdinals[ord].entryname,&fcn))) { |
462 | char buf[20], *s = (char*)loadOrdinals[ord].entryname; |
463 | |
464 | if (!fail) |
465 | return 0; |
466 | if (!s) |
467 | sprintf(s = buf, "%d", loadOrdinals[ord].entrypoint); |
e71dd89f |
468 | Perl_croak_nocontext( |
35bc1fdc |
469 | "This version of OS/2 does not support %s.%s", |
470 | loadOrdinals[ord].dll->modname, s); |
471 | } |
72ea3524 |
472 | ExtFCN[ord] = fcn; |
473 | } |
35bc1fdc |
474 | if ((long)ExtFCN[ord] == -1) |
23da6c43 |
475 | Perl_croak_nocontext("panic queryaddr"); |
35bc1fdc |
476 | return ExtFCN[ord]; |
72ea3524 |
477 | } |
478 | |
4bfbfac5 |
479 | void |
480 | init_PMWIN_entries(void) |
481 | { |
35bc1fdc |
482 | int i; |
483 | |
484 | for (i = ORD_WinInitialize; i <= ORD_WinCancelShutdown; i++) |
485 | ((PFN*)&PMWIN_entries)[i - ORD_WinInitialize] = loadByOrdinal(i, 1); |
4bfbfac5 |
486 | } |
487 | |
35bc1fdc |
488 | /*****************************************************/ |
489 | /* socket forwarders without linking with tcpip DLLs */ |
490 | |
491 | DeclFuncByORD(struct hostent *, gethostent, ORD_GETHOSTENT, (void), ()) |
492 | DeclFuncByORD(struct netent *, getnetent, ORD_GETNETENT, (void), ()) |
493 | DeclFuncByORD(struct protoent *, getprotoent, ORD_GETPROTOENT, (void), ()) |
494 | DeclFuncByORD(struct servent *, getservent, ORD_GETSERVENT, (void), ()) |
495 | |
496 | DeclVoidFuncByORD(sethostent, ORD_SETHOSTENT, (int x), (x)) |
497 | DeclVoidFuncByORD(setnetent, ORD_SETNETENT, (int x), (x)) |
498 | DeclVoidFuncByORD(setprotoent, ORD_SETPROTOENT, (int x), (x)) |
499 | DeclVoidFuncByORD(setservent, ORD_SETSERVENT, (int x), (x)) |
500 | |
501 | DeclVoidFuncByORD(endhostent, ORD_ENDHOSTENT, (void), ()) |
502 | DeclVoidFuncByORD(endnetent, ORD_ENDNETENT, (void), ()) |
503 | DeclVoidFuncByORD(endprotoent, ORD_ENDPROTOENT, (void), ()) |
504 | DeclVoidFuncByORD(endservent, ORD_ENDSERVENT, (void), ()) |
4bfbfac5 |
505 | |
4633a7c4 |
506 | /* priorities */ |
6f064249 |
507 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
508 | self inverse. */ |
509 | #define QSS_INI_BUFFER 1024 |
4633a7c4 |
510 | |
35bc1fdc |
511 | ULONG (*pDosVerifyPidTid) (PID pid, TID tid); |
512 | static int pidtid_lookup; |
513 | |
6f064249 |
514 | PQTOPLEVEL |
515 | get_sysinfo(ULONG pid, ULONG flags) |
4633a7c4 |
516 | { |
6f064249 |
517 | char *pbuffer; |
518 | ULONG rc, buf_len = QSS_INI_BUFFER; |
35bc1fdc |
519 | PQTOPLEVEL psi; |
6f064249 |
520 | |
35bc1fdc |
521 | if (!pidtid_lookup) { |
522 | pidtid_lookup = 1; |
523 | *(PFN*)&pDosVerifyPidTid = loadByOrdinal(ORD_DosVerifyPidTid, 0); |
524 | } |
525 | if (pDosVerifyPidTid) { /* Warp3 or later */ |
526 | /* Up to some fixpak QuerySysState() kills the system if a non-existent |
527 | pid is used. */ |
30500b05 |
528 | if (CheckOSError(pDosVerifyPidTid(pid, 1))) |
35bc1fdc |
529 | return 0; |
530 | } |
fc36a67e |
531 | New(1322, pbuffer, buf_len, char); |
6f064249 |
532 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
533 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
534 | while (rc == ERROR_BUFFER_OVERFLOW) { |
535 | Renew(pbuffer, buf_len *= 2, char); |
df3ef7a9 |
536 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
6f064249 |
537 | } |
538 | if (rc) { |
539 | FillOSError(rc); |
540 | Safefree(pbuffer); |
541 | return 0; |
542 | } |
35bc1fdc |
543 | psi = (PQTOPLEVEL)pbuffer; |
544 | if (psi && pid && pid != psi->procdata->pid) { |
545 | Safefree(psi); |
546 | Perl_croak_nocontext("panic: wrong pid in sysinfo"); |
547 | } |
548 | return psi; |
6f064249 |
549 | } |
550 | |
551 | #define PRIO_ERR 0x1111 |
552 | |
553 | static ULONG |
554 | sys_prio(pid) |
555 | { |
556 | ULONG prio; |
557 | PQTOPLEVEL psi; |
558 | |
35bc1fdc |
559 | if (!pid) |
560 | return PRIO_ERR; |
6f064249 |
561 | psi = get_sysinfo(pid, QSS_PROCESS); |
35bc1fdc |
562 | if (!psi) |
6f064249 |
563 | return PRIO_ERR; |
6f064249 |
564 | prio = psi->procdata->threads->priority; |
565 | Safefree(psi); |
566 | return prio; |
567 | } |
568 | |
569 | int |
570 | setpriority(int which, int pid, int val) |
571 | { |
2d766320 |
572 | ULONG rc, prio = sys_prio(pid); |
6f064249 |
573 | |
55497cff |
574 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
575 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
576 | /* Do not change class. */ |
577 | return CheckOSError(DosSetPriority((pid < 0) |
578 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
579 | 0, |
580 | (32 - val) % 32 - (prio & 0xFF), |
581 | abs(pid))) |
582 | ? -1 : 0; |
583 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
584 | /* Documentation claims one can change both class and basevalue, |
585 | * but I find it wrong. */ |
586 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
587 | if (CheckOSError(DosSetPriority((pid < 0) |
588 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
589 | priors[(32 - val) >> 5] + 1, |
590 | 0, |
591 | abs(pid)))) |
592 | return -1; |
593 | if ( ((32 - val) % 32) == 0 ) return 0; |
594 | return CheckOSError(DosSetPriority((pid < 0) |
595 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
596 | 0, |
597 | (32 - val) % 32, |
598 | abs(pid))) |
599 | ? -1 : 0; |
600 | } |
4633a7c4 |
601 | } |
602 | |
6f064249 |
603 | int |
604 | getpriority(int which /* ignored */, int pid) |
4633a7c4 |
605 | { |
2d766320 |
606 | ULONG ret; |
6f064249 |
607 | |
55497cff |
608 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
609 | ret = sys_prio(pid); |
610 | if (ret == PRIO_ERR) { |
611 | return -1; |
612 | } |
6f064249 |
613 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
4633a7c4 |
614 | } |
615 | |
616 | /*****************************************************************************/ |
617 | /* spawn */ |
2c2e0e8c |
618 | |
764df951 |
619 | int emx_runtime_init; /* If 1, we need to manually init it */ |
620 | int emx_exception_init; /* If 1, we need to manually set it */ |
621 | |
2c2e0e8c |
622 | /* There is no big sense to make it thread-specific, since signals |
623 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
624 | static int spawn_pid; |
625 | static int spawn_killed; |
626 | |
627 | static Signal_t |
628 | spawn_sighandler(int sig) |
629 | { |
630 | /* Some programs do not arrange for the keyboard signals to be |
631 | delivered to them. We need to deliver the signal manually. */ |
632 | /* We may get a signal only if |
633 | a) kid does not receive keyboard signal: deliver it; |
634 | b) kid already died, and we get a signal. We may only hope |
635 | that the pid number was not reused. |
636 | */ |
637 | |
638 | if (spawn_killed) |
639 | sig = SIGKILL; /* Try harder. */ |
640 | kill(spawn_pid, sig); |
641 | spawn_killed = 1; |
642 | } |
72ea3524 |
643 | |
4633a7c4 |
644 | static int |
23da6c43 |
645 | result(pTHX_ int flag, int pid) |
4633a7c4 |
646 | { |
647 | int r, status; |
648 | Signal_t (*ihand)(); /* place to save signal during system() */ |
649 | Signal_t (*qhand)(); /* place to save signal during system() */ |
760ac839 |
650 | #ifndef __EMX__ |
651 | RESULTCODES res; |
652 | int rpid; |
653 | #endif |
4633a7c4 |
654 | |
760ac839 |
655 | if (pid < 0 || flag != 0) |
4633a7c4 |
656 | return pid; |
657 | |
760ac839 |
658 | #ifdef __EMX__ |
2c2e0e8c |
659 | spawn_pid = pid; |
660 | spawn_killed = 0; |
661 | ihand = rsignal(SIGINT, &spawn_sighandler); |
662 | qhand = rsignal(SIGQUIT, &spawn_sighandler); |
c0c09dfd |
663 | do { |
664 | r = wait4pid(pid, &status, 0); |
665 | } while (r == -1 && errno == EINTR); |
72ea3524 |
666 | rsignal(SIGINT, ihand); |
667 | rsignal(SIGQUIT, qhand); |
4633a7c4 |
668 | |
6b88bc9c |
669 | PL_statusvalue = (U16)status; |
4633a7c4 |
670 | if (r < 0) |
671 | return -1; |
672 | return status & 0xFFFF; |
760ac839 |
673 | #else |
72ea3524 |
674 | ihand = rsignal(SIGINT, SIG_IGN); |
760ac839 |
675 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
72ea3524 |
676 | rsignal(SIGINT, ihand); |
6b88bc9c |
677 | PL_statusvalue = res.codeResult << 8 | res.codeTerminate; |
760ac839 |
678 | if (r) |
679 | return -1; |
6b88bc9c |
680 | return PL_statusvalue; |
760ac839 |
681 | #endif |
4633a7c4 |
682 | } |
683 | |
764df951 |
684 | enum execf_t { |
685 | EXECF_SPAWN, |
686 | EXECF_EXEC, |
687 | EXECF_TRUEEXEC, |
688 | EXECF_SPAWN_NOWAIT, |
689 | EXECF_SPAWN_BYFLAG, |
690 | EXECF_SYNC |
691 | }; |
491527d0 |
692 | |
017f25f1 |
693 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
694 | |
695 | static int |
696 | my_type() |
697 | { |
698 | int rc; |
699 | TIB *tib; |
700 | PIB *pib; |
701 | |
702 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
703 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
704 | return -1; |
705 | |
706 | return (pib->pib_ultype); |
707 | } |
708 | |
709 | static ULONG |
710 | file_type(char *path) |
711 | { |
712 | int rc; |
713 | ULONG apptype; |
714 | |
715 | if (!(_emx_env & 0x200)) |
23da6c43 |
716 | Perl_croak_nocontext("file_type not implemented on DOS"); /* not OS/2. */ |
017f25f1 |
717 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
718 | switch (rc) { |
719 | case ERROR_FILE_NOT_FOUND: |
720 | case ERROR_PATH_NOT_FOUND: |
721 | return -1; |
722 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
723 | return -3; |
724 | default: /* Found, but not an |
725 | executable, or some other |
726 | read error. */ |
727 | return -2; |
728 | } |
729 | } |
730 | return apptype; |
731 | } |
732 | |
733 | static ULONG os2_mytype; |
734 | |
491527d0 |
735 | /* Spawn/exec a program, revert to shell if needed. */ |
6b88bc9c |
736 | /* global PL_Argv[] contains arguments. */ |
491527d0 |
737 | |
764df951 |
738 | extern ULONG _emx_exception ( EXCEPTIONREPORTRECORD *, |
739 | EXCEPTIONREGISTRATIONRECORD *, |
740 | CONTEXTRECORD *, |
741 | void *); |
742 | |
4633a7c4 |
743 | int |
23da6c43 |
744 | do_spawn_ve(pTHX_ SV *really, U32 flag, U32 execf, char *inicmd, U32 addflag) |
4633a7c4 |
745 | { |
491527d0 |
746 | int trueflag = flag; |
a97be121 |
747 | int rc, pass = 1; |
491527d0 |
748 | char *tmps; |
491527d0 |
749 | char *args[4]; |
750 | static char * fargs[4] |
751 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
752 | char **argsp = fargs; |
2d766320 |
753 | int nargs = 4; |
017f25f1 |
754 | int force_shell; |
65850d11 |
755 | int new_stderr = -1, nostderr = 0; |
2d766320 |
756 | int fl_stderr = 0; |
2d8e6c8d |
757 | STRLEN n_a; |
1c46958a |
758 | char *buf; |
759 | PerlIO *file; |
491527d0 |
760 | |
4633a7c4 |
761 | if (flag == P_WAIT) |
762 | flag = P_NOWAIT; |
763 | |
491527d0 |
764 | retry: |
6b88bc9c |
765 | if (strEQ(PL_Argv[0],"/bin/sh")) |
766 | PL_Argv[0] = PL_sh_path; |
3bbf9c2b |
767 | |
760ac839 |
768 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
2d8e6c8d |
769 | if (!really || !*(tmps = SvPV(really, n_a))) |
6b88bc9c |
770 | tmps = PL_Argv[0]; |
dfcfdb64 |
771 | if (tmps[0] != '/' && tmps[0] != '\\' |
772 | && !(tmps[0] && tmps[1] == ':' |
773 | && (tmps[2] == '/' || tmps[2] != '\\')) |
774 | ) /* will spawnvp use PATH? */ |
775 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
017f25f1 |
776 | |
777 | reread: |
778 | force_shell = 0; |
779 | if (_emx_env & 0x200) { /* OS/2. */ |
780 | int type = file_type(tmps); |
781 | type_again: |
782 | if (type == -1) { /* Not found */ |
783 | errno = ENOENT; |
784 | rc = -1; |
785 | goto do_script; |
786 | } |
787 | else if (type == -2) { /* Not an EXE */ |
788 | errno = ENOEXEC; |
789 | rc = -1; |
790 | goto do_script; |
791 | } |
792 | else if (type == -3) { /* Is a directory? */ |
793 | /* Special-case this */ |
794 | char tbuf[512]; |
795 | int l = strlen(tmps); |
796 | |
797 | if (l + 5 <= sizeof tbuf) { |
798 | strcpy(tbuf, tmps); |
799 | strcpy(tbuf + l, ".exe"); |
800 | type = file_type(tbuf); |
801 | if (type >= -3) |
802 | goto type_again; |
803 | } |
804 | |
805 | errno = ENOEXEC; |
806 | rc = -1; |
807 | goto do_script; |
808 | } |
809 | switch (type & 7) { |
810 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
811 | case FAPPTYP_WINDOWAPI: |
812 | { |
813 | if (os2_mytype != 3) { /* not PM */ |
814 | if (flag == P_NOWAIT) |
815 | flag = P_PM; |
816 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION) |
f98bc0c6 |
817 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Starting PM process with flag=%d, mytype=%d", |
017f25f1 |
818 | flag, os2_mytype); |
819 | } |
820 | } |
821 | break; |
822 | case FAPPTYP_NOTWINDOWCOMPAT: |
823 | { |
824 | if (os2_mytype != 0) { /* not full screen */ |
825 | if (flag == P_NOWAIT) |
826 | flag = P_SESSION; |
827 | else if ((flag & 7) != P_SESSION) |
f98bc0c6 |
828 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Starting Full Screen process with flag=%d, mytype=%d", |
017f25f1 |
829 | flag, os2_mytype); |
830 | } |
831 | } |
832 | break; |
833 | case FAPPTYP_NOTSPEC: |
834 | /* Let the shell handle this... */ |
835 | force_shell = 1; |
1c46958a |
836 | buf = ""; /* Pacify a warning */ |
837 | file = 0; /* Pacify a warning */ |
017f25f1 |
838 | goto doshell_args; |
839 | break; |
840 | } |
841 | } |
842 | |
5838269b |
843 | if (addflag) { |
844 | addflag = 0; |
845 | new_stderr = dup(2); /* Preserve stderr */ |
846 | if (new_stderr == -1) { |
847 | if (errno == EBADF) |
848 | nostderr = 1; |
849 | else { |
850 | rc = -1; |
851 | goto finish; |
852 | } |
853 | } else |
854 | fl_stderr = fcntl(2, F_GETFD); |
855 | rc = dup2(1,2); |
856 | if (rc == -1) |
857 | goto finish; |
858 | fcntl(new_stderr, F_SETFD, FD_CLOEXEC); |
859 | } |
860 | |
491527d0 |
861 | #if 0 |
23da6c43 |
862 | rc = result(aTHX_ trueflag, spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
863 | #else |
864 | if (execf == EXECF_TRUEEXEC) |
6b88bc9c |
865 | rc = execvp(tmps,PL_Argv); |
491527d0 |
866 | else if (execf == EXECF_EXEC) |
6b88bc9c |
867 | rc = spawnvp(trueflag | P_OVERLAY,tmps,PL_Argv); |
491527d0 |
868 | else if (execf == EXECF_SPAWN_NOWAIT) |
017f25f1 |
869 | rc = spawnvp(flag,tmps,PL_Argv); |
764df951 |
870 | else if (execf == EXECF_SYNC) |
871 | rc = spawnvp(trueflag,tmps,PL_Argv); |
4435c477 |
872 | else /* EXECF_SPAWN, EXECF_SPAWN_BYFLAG */ |
23da6c43 |
873 | rc = result(aTHX_ trueflag, |
017f25f1 |
874 | spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
875 | #endif |
2c2e0e8c |
876 | if (rc < 0 && pass == 1 |
6b88bc9c |
877 | && (tmps == PL_Argv[0])) { /* Cannot transfer `really' via shell. */ |
017f25f1 |
878 | do_script: |
879 | { |
a97be121 |
880 | int err = errno; |
881 | |
2c2e0e8c |
882 | if (err == ENOENT || err == ENOEXEC) { |
883 | /* No such file, or is a script. */ |
884 | /* Try adding script extensions to the file name, and |
885 | search on PATH. */ |
6b88bc9c |
886 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
2c2e0e8c |
887 | |
888 | if (scr) { |
1c46958a |
889 | char *s = 0, *s1; |
890 | SV *scrsv = sv_2mortal(newSVpv(scr, 0)); |
891 | SV *bufsv = sv_newmortal(); |
2c2e0e8c |
892 | |
e96326af |
893 | Safefree(scr); |
1c46958a |
894 | scr = SvPV(scrsv, n_a); /* free()ed later */ |
e96326af |
895 | |
a03d92b2 |
896 | file = PerlIO_open(scr, "r"); |
6b88bc9c |
897 | PL_Argv[0] = scr; |
2c2e0e8c |
898 | if (!file) |
899 | goto panic_file; |
017f25f1 |
900 | |
1c46958a |
901 | buf = sv_gets(bufsv, file, 0 /* No append */); |
902 | if (!buf) |
903 | buf = ""; /* XXX Needed? */ |
904 | if (!buf[0]) { /* Empty... */ |
a03d92b2 |
905 | PerlIO_close(file); |
017f25f1 |
906 | /* Special case: maybe from -Zexe build, so |
907 | there is an executable around (contrary to |
908 | documentation, DosQueryAppType sometimes (?) |
909 | does not append ".exe", so we could have |
910 | reached this place). */ |
1c46958a |
911 | sv_catpv(scrsv, ".exe"); |
912 | scr = SvPV(scrsv, n_a); /* Reload */ |
913 | if (PerlLIO_stat(scr,&PL_statbuf) >= 0 |
914 | && !S_ISDIR(PL_statbuf.st_mode)) { /* Found */ |
017f25f1 |
915 | tmps = scr; |
916 | pass++; |
917 | goto reread; |
1c46958a |
918 | } else { /* Restore */ |
919 | SvCUR_set(scrsv, SvCUR(scrsv) - 4); |
920 | *SvEND(scrsv) = 0; |
921 | } |
2c2e0e8c |
922 | } |
a03d92b2 |
923 | if (PerlIO_close(file) != 0) { /* Failure */ |
2c2e0e8c |
924 | panic_file: |
f98bc0c6 |
925 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Error reading \"%s\": %s", |
2c2e0e8c |
926 | scr, Strerror(errno)); |
1c46958a |
927 | buf = ""; /* Not #! */ |
2c2e0e8c |
928 | goto doshell_args; |
929 | } |
930 | if (buf[0] == '#') { |
931 | if (buf[1] == '!') |
932 | s = buf + 2; |
933 | } else if (buf[0] == 'e') { |
934 | if (strnEQ(buf, "extproc", 7) |
935 | && isSPACE(buf[7])) |
936 | s = buf + 8; |
937 | } else if (buf[0] == 'E') { |
938 | if (strnEQ(buf, "EXTPROC", 7) |
939 | && isSPACE(buf[7])) |
940 | s = buf + 8; |
941 | } |
942 | if (!s) { |
1c46958a |
943 | buf = ""; /* Not #! */ |
2c2e0e8c |
944 | goto doshell_args; |
945 | } |
946 | |
947 | s1 = s; |
948 | nargs = 0; |
949 | argsp = args; |
950 | while (1) { |
951 | /* Do better than pdksh: allow a few args, |
952 | strip trailing whitespace. */ |
953 | while (isSPACE(*s)) |
954 | s++; |
955 | if (*s == 0) |
956 | break; |
957 | if (nargs == 4) { |
958 | nargs = -1; |
959 | break; |
960 | } |
961 | args[nargs++] = s; |
962 | while (*s && !isSPACE(*s)) |
963 | s++; |
964 | if (*s == 0) |
965 | break; |
966 | *s++ = 0; |
967 | } |
968 | if (nargs == -1) { |
f98bc0c6 |
969 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Too many args on %.*s line of \"%s\"", |
2c2e0e8c |
970 | s1 - buf, buf, scr); |
971 | nargs = 4; |
972 | argsp = fargs; |
973 | } |
1c46958a |
974 | /* Can jump from far, buf/file invalid if force_shell: */ |
2c2e0e8c |
975 | doshell_args: |
976 | { |
6b88bc9c |
977 | char **a = PL_Argv; |
2c2e0e8c |
978 | char *exec_args[2]; |
979 | |
017f25f1 |
980 | if (force_shell |
981 | || (!buf[0] && file)) { /* File without magic */ |
2c2e0e8c |
982 | /* In fact we tried all what pdksh would |
983 | try. There is no point in calling |
984 | pdksh, we may just emulate its logic. */ |
985 | char *shell = getenv("EXECSHELL"); |
986 | char *shell_opt = NULL; |
987 | |
988 | if (!shell) { |
989 | char *s; |
990 | |
991 | shell_opt = "/c"; |
992 | shell = getenv("OS2_SHELL"); |
993 | if (inicmd) { /* No spaces at start! */ |
994 | s = inicmd; |
995 | while (*s && !isSPACE(*s)) { |
2d766320 |
996 | if (*s++ == '/') { |
2c2e0e8c |
997 | inicmd = NULL; /* Cannot use */ |
998 | break; |
999 | } |
1000 | } |
1001 | } |
1002 | if (!inicmd) { |
6b88bc9c |
1003 | s = PL_Argv[0]; |
2c2e0e8c |
1004 | while (*s) { |
1005 | /* Dosish shells will choke on slashes |
1006 | in paths, fortunately, this is |
1007 | important for zeroth arg only. */ |
1008 | if (*s == '/') |
1009 | *s = '\\'; |
1010 | s++; |
1011 | } |
491527d0 |
1012 | } |
491527d0 |
1013 | } |
2c2e0e8c |
1014 | /* If EXECSHELL is set, we do not set */ |
1015 | |
1016 | if (!shell) |
1017 | shell = ((_emx_env & 0x200) |
1018 | ? "c:/os2/cmd.exe" |
1019 | : "c:/command.com"); |
1020 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
1021 | exec_args[0] = shell; |
1022 | exec_args[1] = shell_opt; |
1023 | argsp = exec_args; |
1024 | if (nargs == 2 && inicmd) { |
1025 | /* Use the original cmd line */ |
1026 | /* XXXX This is good only until we refuse |
1027 | quoted arguments... */ |
6b88bc9c |
1028 | PL_Argv[0] = inicmd; |
1029 | PL_Argv[1] = Nullch; |
491527d0 |
1030 | } |
2c2e0e8c |
1031 | } else if (!buf[0] && inicmd) { /* No file */ |
1032 | /* Start with the original cmdline. */ |
1033 | /* XXXX This is good only until we refuse |
1034 | quoted arguments... */ |
1035 | |
6b88bc9c |
1036 | PL_Argv[0] = inicmd; |
1037 | PL_Argv[1] = Nullch; |
2c2e0e8c |
1038 | nargs = 2; /* shell -c */ |
1039 | } |
1040 | |
1041 | while (a[1]) /* Get to the end */ |
1042 | a++; |
1043 | a++; /* Copy finil NULL too */ |
6b88bc9c |
1044 | while (a >= PL_Argv) { |
1045 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
2c2e0e8c |
1046 | long enough. */ |
1047 | a--; |
491527d0 |
1048 | } |
d5d69632 |
1049 | while (--nargs >= 0) |
6b88bc9c |
1050 | PL_Argv[nargs] = argsp[nargs]; |
2c2e0e8c |
1051 | /* Enable pathless exec if #! (as pdksh). */ |
1052 | pass = (buf[0] == '#' ? 2 : 3); |
1053 | goto retry; |
e29f6e02 |
1054 | } |
1055 | } |
2c2e0e8c |
1056 | /* Not found: restore errno */ |
491527d0 |
1057 | errno = err; |
2c2e0e8c |
1058 | } |
017f25f1 |
1059 | } |
a97be121 |
1060 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
6b88bc9c |
1061 | char *no_dir = strrchr(PL_Argv[0], '/'); |
2c2e0e8c |
1062 | |
1063 | /* Do as pdksh port does: if not found with /, try without |
1064 | path. */ |
1065 | if (no_dir) { |
6b88bc9c |
1066 | PL_Argv[0] = no_dir + 1; |
2c2e0e8c |
1067 | pass++; |
e29f6e02 |
1068 | goto retry; |
1069 | } |
1070 | } |
0453d815 |
1071 | if (rc < 0 && ckWARN(WARN_EXEC)) |
f98bc0c6 |
1072 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s\n", |
491527d0 |
1073 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
1074 | ? "spawn" : "exec"), |
a97be121 |
1075 | PL_Argv[0], Strerror(errno)); |
491527d0 |
1076 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
1077 | && ((trueflag & 0xFF) == P_WAIT)) |
ed344e4f |
1078 | rc = -1; |
491527d0 |
1079 | |
5838269b |
1080 | finish: |
1081 | if (new_stderr != -1) { /* How can we use error codes? */ |
1082 | dup2(new_stderr, 2); |
1083 | close(new_stderr); |
1084 | fcntl(2, F_SETFD, fl_stderr); |
1085 | } else if (nostderr) |
1086 | close(2); |
491527d0 |
1087 | return rc; |
1088 | } |
1089 | |
491527d0 |
1090 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
4633a7c4 |
1091 | int |
23da6c43 |
1092 | do_spawn3(pTHX_ char *cmd, int execf, int flag) |
4633a7c4 |
1093 | { |
1094 | register char **a; |
1095 | register char *s; |
3bbf9c2b |
1096 | char *shell, *copt, *news = NULL; |
2d766320 |
1097 | int rc, seenspace = 0, mergestderr = 0; |
4633a7c4 |
1098 | |
c0c09dfd |
1099 | #ifdef TRYSHELL |
1100 | if ((shell = getenv("EMXSHELL")) != NULL) |
1101 | copt = "-c"; |
1102 | else if ((shell = getenv("SHELL")) != NULL) |
4633a7c4 |
1103 | copt = "-c"; |
1104 | else if ((shell = getenv("COMSPEC")) != NULL) |
1105 | copt = "/C"; |
1106 | else |
1107 | shell = "cmd.exe"; |
c0c09dfd |
1108 | #else |
1109 | /* Consensus on perl5-porters is that it is _very_ important to |
1110 | have a shell which will not change between computers with the |
1111 | same architecture, to avoid "action on a distance". |
1112 | And to have simple build, this shell should be sh. */ |
6b88bc9c |
1113 | shell = PL_sh_path; |
c0c09dfd |
1114 | copt = "-c"; |
1115 | #endif |
1116 | |
1117 | while (*cmd && isSPACE(*cmd)) |
1118 | cmd++; |
4633a7c4 |
1119 | |
3bbf9c2b |
1120 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
6b88bc9c |
1121 | STRLEN l = strlen(PL_sh_path); |
3bbf9c2b |
1122 | |
2cc2f81f |
1123 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
6b88bc9c |
1124 | strcpy(news, PL_sh_path); |
3bbf9c2b |
1125 | strcpy(news + l, cmd + 7); |
1126 | cmd = news; |
1127 | } |
1128 | |
4633a7c4 |
1129 | /* save an extra exec if possible */ |
1130 | /* see if there are shell metacharacters in it */ |
1131 | |
c0c09dfd |
1132 | if (*cmd == '.' && isSPACE(cmd[1])) |
1133 | goto doshell; |
1134 | |
1135 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
1136 | goto doshell; |
1137 | |
1138 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
1139 | if (*s == '=') |
1140 | goto doshell; |
1141 | |
4633a7c4 |
1142 | for (s = cmd; *s; s++) { |
c0c09dfd |
1143 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
3bbf9c2b |
1144 | if (*s == '\n' && s[1] == '\0') { |
4633a7c4 |
1145 | *s = '\0'; |
1146 | break; |
a0914d8e |
1147 | } else if (*s == '\\' && !seenspace) { |
1148 | continue; /* Allow backslashes in names */ |
5838269b |
1149 | } else if (*s == '>' && s >= cmd + 3 |
1150 | && s[-1] == '2' && s[1] == '&' && s[2] == '1' |
1151 | && isSPACE(s[-2]) ) { |
1152 | char *t = s + 3; |
1153 | |
1154 | while (*t && isSPACE(*t)) |
1155 | t++; |
1156 | if (!*t) { |
1157 | s[-2] = '\0'; |
1158 | mergestderr = 1; |
1159 | break; /* Allow 2>&1 as the last thing */ |
1160 | } |
4633a7c4 |
1161 | } |
491527d0 |
1162 | /* We do not convert this to do_spawn_ve since shell |
1163 | should be smart enough to start itself gloriously. */ |
c0c09dfd |
1164 | doshell: |
760ac839 |
1165 | if (execf == EXECF_TRUEEXEC) |
764df951 |
1166 | rc = execl(shell,shell,copt,cmd,(char*)0); |
760ac839 |
1167 | else if (execf == EXECF_EXEC) |
2c2e0e8c |
1168 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
72ea3524 |
1169 | else if (execf == EXECF_SPAWN_NOWAIT) |
2c2e0e8c |
1170 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
4435c477 |
1171 | else if (execf == EXECF_SPAWN_BYFLAG) |
1172 | rc = spawnl(flag,shell,shell,copt,cmd,(char*)0); |
2c2e0e8c |
1173 | else { |
1174 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
764df951 |
1175 | if (execf == EXECF_SYNC) |
1176 | rc = spawnl(P_WAIT,shell,shell,copt,cmd,(char*)0); |
1177 | else |
1178 | rc = result(aTHX_ P_WAIT, |
1179 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
0453d815 |
1180 | if (rc < 0 && ckWARN(WARN_EXEC)) |
f98bc0c6 |
1181 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s", |
2c2e0e8c |
1182 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
1183 | shell, Strerror(errno)); |
ed344e4f |
1184 | if (rc < 0) |
1185 | rc = -1; |
2c2e0e8c |
1186 | } |
1187 | if (news) |
1188 | Safefree(news); |
c0c09dfd |
1189 | return rc; |
a0914d8e |
1190 | } else if (*s == ' ' || *s == '\t') { |
1191 | seenspace = 1; |
4633a7c4 |
1192 | } |
1193 | } |
c0c09dfd |
1194 | |
491527d0 |
1195 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
6b88bc9c |
1196 | New(1303,PL_Argv, (s - cmd + 11) / 2, char*); |
1197 | PL_Cmd = savepvn(cmd, s-cmd); |
1198 | a = PL_Argv; |
1199 | for (s = PL_Cmd; *s;) { |
4633a7c4 |
1200 | while (*s && isSPACE(*s)) s++; |
1201 | if (*s) |
1202 | *(a++) = s; |
1203 | while (*s && !isSPACE(*s)) s++; |
1204 | if (*s) |
1205 | *s++ = '\0'; |
1206 | } |
1207 | *a = Nullch; |
6b88bc9c |
1208 | if (PL_Argv[0]) |
23da6c43 |
1209 | rc = do_spawn_ve(aTHX_ NULL, flag, execf, cmd, mergestderr); |
491527d0 |
1210 | else |
4633a7c4 |
1211 | rc = -1; |
2c2e0e8c |
1212 | if (news) |
1213 | Safefree(news); |
4633a7c4 |
1214 | do_execfree(); |
1215 | return rc; |
1216 | } |
1217 | |
4435c477 |
1218 | /* Array spawn. */ |
1219 | int |
2d766320 |
1220 | os2_do_aspawn(pTHX_ SV *really, register void **vmark, register void **vsp) |
4435c477 |
1221 | { |
2d766320 |
1222 | register SV **mark = (SV **)vmark; |
1223 | register SV **sp = (SV **)vsp; |
4435c477 |
1224 | register char **a; |
1225 | int rc; |
1226 | int flag = P_WAIT, flag_set = 0; |
1227 | STRLEN n_a; |
1228 | |
1229 | if (sp > mark) { |
1230 | New(1301,PL_Argv, sp - mark + 3, char*); |
1231 | a = PL_Argv; |
1232 | |
1233 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
1234 | ++mark; |
1235 | flag = SvIVx(*mark); |
1236 | flag_set = 1; |
1237 | |
1238 | } |
1239 | |
1240 | while (++mark <= sp) { |
1241 | if (*mark) |
1242 | *a++ = SvPVx(*mark, n_a); |
1243 | else |
1244 | *a++ = ""; |
1245 | } |
1246 | *a = Nullch; |
1247 | |
1248 | if (flag_set && (a == PL_Argv + 1)) { /* One arg? */ |
23da6c43 |
1249 | rc = do_spawn3(aTHX_ a[-1], EXECF_SPAWN_BYFLAG, flag); |
4435c477 |
1250 | } else |
23da6c43 |
1251 | rc = do_spawn_ve(aTHX_ really, flag, EXECF_SPAWN, NULL, 0); |
4435c477 |
1252 | } else |
1253 | rc = -1; |
1254 | do_execfree(); |
1255 | return rc; |
1256 | } |
1257 | |
760ac839 |
1258 | int |
23da6c43 |
1259 | os2_do_spawn(pTHX_ char *cmd) |
760ac839 |
1260 | { |
23da6c43 |
1261 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN, 0); |
760ac839 |
1262 | } |
1263 | |
72ea3524 |
1264 | int |
23da6c43 |
1265 | do_spawn_nowait(pTHX_ char *cmd) |
72ea3524 |
1266 | { |
23da6c43 |
1267 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN_NOWAIT,0); |
72ea3524 |
1268 | } |
1269 | |
760ac839 |
1270 | bool |
23da6c43 |
1271 | Perl_do_exec(pTHX_ char *cmd) |
760ac839 |
1272 | { |
23da6c43 |
1273 | do_spawn3(aTHX_ cmd, EXECF_EXEC, 0); |
017f25f1 |
1274 | return FALSE; |
760ac839 |
1275 | } |
1276 | |
1277 | bool |
23da6c43 |
1278 | os2exec(pTHX_ char *cmd) |
760ac839 |
1279 | { |
23da6c43 |
1280 | return do_spawn3(aTHX_ cmd, EXECF_TRUEEXEC, 0); |
760ac839 |
1281 | } |
1282 | |
3bbf9c2b |
1283 | PerlIO * |
23da6c43 |
1284 | my_syspopen(pTHX_ char *cmd, char *mode) |
c0c09dfd |
1285 | { |
72ea3524 |
1286 | #ifndef USE_POPEN |
72ea3524 |
1287 | int p[2]; |
1288 | register I32 this, that, newfd; |
2d766320 |
1289 | register I32 pid; |
3bbf9c2b |
1290 | SV *sv; |
2d766320 |
1291 | int fh_fl = 0; /* Pacify the warning */ |
72ea3524 |
1292 | |
72ea3524 |
1293 | /* `this' is what we use in the parent, `that' in the child. */ |
1294 | this = (*mode == 'w'); |
1295 | that = !this; |
6b88bc9c |
1296 | if (PL_tainting) { |
72ea3524 |
1297 | taint_env(); |
1298 | taint_proper("Insecure %s%s", "EXEC"); |
1299 | } |
c2267164 |
1300 | if (pipe(p) < 0) |
1301 | return Nullfp; |
72ea3524 |
1302 | /* Now we need to spawn the child. */ |
5838269b |
1303 | if (p[this] == (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
1304 | int new = dup(p[this]); |
1305 | |
1306 | if (new == -1) |
1307 | goto closepipes; |
1308 | close(p[this]); |
1309 | p[this] = new; |
1310 | } |
72ea3524 |
1311 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
5838269b |
1312 | if (newfd == -1) { |
1313 | /* This cannot happen due to fh being bad after pipe(), since |
1314 | pipe() should have created fh 0 and 1 even if they were |
1315 | initially closed. But we closed p[this] before. */ |
1316 | if (errno != EBADF) { |
1317 | closepipes: |
1318 | close(p[0]); |
1319 | close(p[1]); |
1320 | return Nullfp; |
1321 | } |
1322 | } else |
1323 | fh_fl = fcntl(*mode == 'r', F_GETFD); |
1324 | if (p[that] != (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
72ea3524 |
1325 | dup2(p[that], *mode == 'r'); |
1326 | close(p[that]); |
1327 | } |
1328 | /* Where is `this' and newfd now? */ |
1329 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
5838269b |
1330 | if (newfd != -1) |
1331 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
23da6c43 |
1332 | pid = do_spawn_nowait(aTHX_ cmd); |
5838269b |
1333 | if (newfd == -1) |
1334 | close(*mode == 'r'); /* It was closed initially */ |
1335 | else if (newfd != (*mode == 'r')) { /* Probably this check is not needed */ |
72ea3524 |
1336 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
1337 | close(newfd); |
5838269b |
1338 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
1339 | } else |
1340 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
491527d0 |
1341 | if (p[that] == (*mode == 'r')) |
1342 | close(p[that]); |
72ea3524 |
1343 | if (pid == -1) { |
1344 | close(p[this]); |
5838269b |
1345 | return Nullfp; |
72ea3524 |
1346 | } |
5838269b |
1347 | if (p[that] < p[this]) { /* Make fh as small as possible */ |
72ea3524 |
1348 | dup2(p[this], p[that]); |
1349 | close(p[this]); |
1350 | p[this] = p[that]; |
1351 | } |
6b88bc9c |
1352 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
72ea3524 |
1353 | (void)SvUPGRADE(sv,SVt_IV); |
1354 | SvIVX(sv) = pid; |
6b88bc9c |
1355 | PL_forkprocess = pid; |
72ea3524 |
1356 | return PerlIO_fdopen(p[this], mode); |
3bbf9c2b |
1357 | |
72ea3524 |
1358 | #else /* USE_POPEN */ |
1359 | |
1360 | PerlIO *res; |
1361 | SV *sv; |
1362 | |
1363 | # ifdef TRYSHELL |
3bbf9c2b |
1364 | res = popen(cmd, mode); |
72ea3524 |
1365 | # else |
c0c09dfd |
1366 | char *shell = getenv("EMXSHELL"); |
3bbf9c2b |
1367 | |
6b88bc9c |
1368 | my_setenv("EMXSHELL", PL_sh_path); |
c0c09dfd |
1369 | res = popen(cmd, mode); |
1370 | my_setenv("EMXSHELL", shell); |
72ea3524 |
1371 | # endif |
6b88bc9c |
1372 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
3bbf9c2b |
1373 | (void)SvUPGRADE(sv,SVt_IV); |
1374 | SvIVX(sv) = -1; /* A cooky. */ |
1375 | return res; |
72ea3524 |
1376 | |
1377 | #endif /* USE_POPEN */ |
1378 | |
c0c09dfd |
1379 | } |
1380 | |
3bbf9c2b |
1381 | /******************************************************************/ |
4633a7c4 |
1382 | |
1383 | #ifndef HAS_FORK |
1384 | int |
1385 | fork(void) |
1386 | { |
23da6c43 |
1387 | Perl_croak_nocontext(PL_no_func, "Unsupported function fork"); |
4633a7c4 |
1388 | errno = EINVAL; |
1389 | return -1; |
1390 | } |
1391 | #endif |
1392 | |
3bbf9c2b |
1393 | /*******************************************************************/ |
46e87256 |
1394 | /* not implemented in EMX 0.9d */ |
4633a7c4 |
1395 | |
46e87256 |
1396 | char * ctermid(char *s) { return 0; } |
eacfb5f1 |
1397 | |
1398 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
4633a7c4 |
1399 | void * ttyname(x) { return 0; } |
eacfb5f1 |
1400 | #endif |
4633a7c4 |
1401 | |
760ac839 |
1402 | /*****************************************************************************/ |
1403 | /* not implemented in C Set++ */ |
1404 | |
1405 | #ifndef __EMX__ |
1406 | int setuid(x) { errno = EINVAL; return -1; } |
1407 | int setgid(x) { errno = EINVAL; return -1; } |
1408 | #endif |
4633a7c4 |
1409 | |
1410 | /*****************************************************************************/ |
1411 | /* stat() hack for char/block device */ |
1412 | |
1413 | #if OS2_STAT_HACK |
1414 | |
5c728af0 |
1415 | enum os2_stat_extra { /* EMX 0.9d fix 4 defines up to 0100000 */ |
1416 | os2_stat_archived = 0x1000000, /* 0100000000 */ |
1417 | os2_stat_hidden = 0x2000000, /* 0200000000 */ |
1418 | os2_stat_system = 0x4000000, /* 0400000000 */ |
1419 | os2_stat_force = 0x8000000, /* Do not ignore flags on chmod */ |
1420 | }; |
1421 | |
1422 | #define OS2_STAT_SPECIAL (os2_stat_system | os2_stat_archived | os2_stat_hidden) |
1423 | |
1424 | static void |
1425 | massage_os2_attr(struct stat *st) |
1426 | { |
1427 | if ( ((st->st_mode & S_IFMT) != S_IFREG |
1428 | && (st->st_mode & S_IFMT) != S_IFDIR) |
1429 | || !(st->st_attr & (FILE_ARCHIVED | FILE_HIDDEN | FILE_SYSTEM))) |
1430 | return; |
1431 | |
1432 | if ( st->st_attr & FILE_ARCHIVED ) |
1433 | st->st_mode |= (os2_stat_archived | os2_stat_force); |
1434 | if ( st->st_attr & FILE_HIDDEN ) |
1435 | st->st_mode |= (os2_stat_hidden | os2_stat_force); |
1436 | if ( st->st_attr & FILE_SYSTEM ) |
1437 | st->st_mode |= (os2_stat_system | os2_stat_force); |
1438 | } |
1439 | |
4633a7c4 |
1440 | /* First attempt used DosQueryFSAttach which crashed the system when |
1441 | used with 5.001. Now just look for /dev/. */ |
4633a7c4 |
1442 | int |
2d766320 |
1443 | os2_stat(const char *name, struct stat *st) |
4633a7c4 |
1444 | { |
1445 | static int ino = SHRT_MAX; |
5c728af0 |
1446 | STRLEN l = strlen(name); |
1447 | |
1448 | if ( ( l < 8 || l > 9) || strnicmp(name, "/dev/", 5) != 0 |
1449 | || ( stricmp(name + 5, "con") != 0 |
1450 | && stricmp(name + 5, "tty") != 0 |
1451 | && stricmp(name + 5, "nul") != 0 |
1452 | && stricmp(name + 5, "null") != 0) ) { |
1453 | int s = stat(name, st); |
1454 | |
1455 | if (s) |
1456 | return s; |
1457 | massage_os2_attr(st); |
1458 | return 0; |
1459 | } |
4633a7c4 |
1460 | |
1461 | memset(st, 0, sizeof *st); |
1462 | st->st_mode = S_IFCHR|0666; |
1463 | st->st_ino = (ino-- & 0x7FFF); |
1464 | st->st_nlink = 1; |
1465 | return 0; |
1466 | } |
1467 | |
5c728af0 |
1468 | int |
1469 | os2_fstat(int handle, struct stat *st) |
1470 | { |
1471 | int s = fstat(handle, st); |
1472 | |
1473 | if (s) |
1474 | return s; |
1475 | massage_os2_attr(st); |
1476 | return 0; |
1477 | } |
1478 | |
1479 | #undef chmod |
1480 | int |
1481 | os2_chmod (const char *name, int pmode) /* Modelled after EMX src/lib/io/chmod.c */ |
1482 | { |
1483 | int attr, rc; |
1484 | |
1485 | if (!(pmode & os2_stat_force)) |
1486 | return chmod(name, pmode); |
1487 | |
1488 | attr = __chmod (name, 0, 0); /* Get attributes */ |
1489 | if (attr < 0) |
1490 | return -1; |
1491 | if (pmode & S_IWRITE) |
1492 | attr &= ~FILE_READONLY; |
1493 | else |
1494 | attr |= FILE_READONLY; |
1495 | /* New logic */ |
1496 | attr &= ~(FILE_ARCHIVED | FILE_HIDDEN | FILE_SYSTEM); |
1497 | |
1498 | if ( pmode & os2_stat_archived ) |
1499 | attr |= FILE_ARCHIVED; |
1500 | if ( pmode & os2_stat_hidden ) |
1501 | attr |= FILE_HIDDEN; |
1502 | if ( pmode & os2_stat_system ) |
1503 | attr |= FILE_SYSTEM; |
1504 | |
1505 | rc = __chmod (name, 1, attr); |
1506 | if (rc >= 0) rc = 0; |
1507 | return rc; |
1508 | } |
1509 | |
4633a7c4 |
1510 | #endif |
c0c09dfd |
1511 | |
760ac839 |
1512 | #ifdef USE_PERL_SBRK |
c0c09dfd |
1513 | |
760ac839 |
1514 | /* SBRK() emulation, mostly moved to malloc.c. */ |
c0c09dfd |
1515 | |
1516 | void * |
760ac839 |
1517 | sys_alloc(int size) { |
1518 | void *got; |
1519 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
1520 | |
c0c09dfd |
1521 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
1522 | return (void *) -1; |
4bfbfac5 |
1523 | } else if ( rc ) |
23da6c43 |
1524 | Perl_croak_nocontext("Got an error from DosAllocMem: %li", (long)rc); |
760ac839 |
1525 | return got; |
c0c09dfd |
1526 | } |
760ac839 |
1527 | |
1528 | #endif /* USE_PERL_SBRK */ |
c0c09dfd |
1529 | |
1530 | /* tmp path */ |
1531 | |
1532 | char *tmppath = TMPPATH1; |
1533 | |
1534 | void |
1535 | settmppath() |
1536 | { |
1537 | char *p = getenv("TMP"), *tpath; |
1538 | int len; |
1539 | |
1540 | if (!p) p = getenv("TEMP"); |
1541 | if (!p) return; |
1542 | len = strlen(p); |
1543 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
db7c17d7 |
1544 | if (tpath) { |
1545 | strcpy(tpath, p); |
1546 | tpath[len] = '/'; |
1547 | strcpy(tpath + len + 1, TMPPATH1); |
1548 | tmppath = tpath; |
1549 | } |
c0c09dfd |
1550 | } |
7a2f0d5b |
1551 | |
1552 | #include "XSUB.h" |
1553 | |
1554 | XS(XS_File__Copy_syscopy) |
1555 | { |
1556 | dXSARGS; |
1557 | if (items < 2 || items > 3) |
23da6c43 |
1558 | Perl_croak_nocontext("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
7a2f0d5b |
1559 | { |
2d8e6c8d |
1560 | STRLEN n_a; |
1561 | char * src = (char *)SvPV(ST(0),n_a); |
1562 | char * dst = (char *)SvPV(ST(1),n_a); |
7a2f0d5b |
1563 | U32 flag; |
1564 | int RETVAL, rc; |
1565 | |
1566 | if (items < 3) |
1567 | flag = 0; |
1568 | else { |
1569 | flag = (unsigned long)SvIV(ST(2)); |
1570 | } |
1571 | |
6f064249 |
1572 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
7a2f0d5b |
1573 | ST(0) = sv_newmortal(); |
1574 | sv_setiv(ST(0), (IV)RETVAL); |
1575 | } |
1576 | XSRETURN(1); |
1577 | } |
1578 | |
1c46958a |
1579 | #define PERL_PATCHLEVEL_H_IMPLICIT /* Do not init local_patches. */ |
017f25f1 |
1580 | #include "patchlevel.h" |
1c46958a |
1581 | #undef PERL_PATCHLEVEL_H_IMPLICIT |
017f25f1 |
1582 | |
6f064249 |
1583 | char * |
23da6c43 |
1584 | mod2fname(pTHX_ SV *sv) |
6f064249 |
1585 | { |
1586 | static char fname[9]; |
760ac839 |
1587 | int pos = 6, len, avlen; |
1588 | unsigned int sum = 0; |
6f064249 |
1589 | char *s; |
2d8e6c8d |
1590 | STRLEN n_a; |
6f064249 |
1591 | |
23da6c43 |
1592 | if (!SvROK(sv)) Perl_croak_nocontext("Not a reference given to mod2fname"); |
6f064249 |
1593 | sv = SvRV(sv); |
1594 | if (SvTYPE(sv) != SVt_PVAV) |
23da6c43 |
1595 | Perl_croak_nocontext("Not array reference given to mod2fname"); |
760ac839 |
1596 | |
1597 | avlen = av_len((AV*)sv); |
1598 | if (avlen < 0) |
23da6c43 |
1599 | Perl_croak_nocontext("Empty array reference given to mod2fname"); |
760ac839 |
1600 | |
2d8e6c8d |
1601 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
6f064249 |
1602 | strncpy(fname, s, 8); |
760ac839 |
1603 | len = strlen(s); |
1604 | if (len < 6) pos = len; |
1605 | while (*s) { |
1606 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
1607 | * get the capitalization into c.s. */ |
1608 | } |
1609 | avlen --; |
1610 | while (avlen >= 0) { |
2d8e6c8d |
1611 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
760ac839 |
1612 | while (*s) { |
1613 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
1614 | } |
1615 | avlen --; |
1616 | } |
bea19d3f |
1617 | /* We always load modules as *specific* DLLs, and with the full name. |
1618 | When loading a specific DLL by its full name, one cannot get a |
1619 | different DLL, even if a DLL with the same basename is loaded already. |
1620 | Thus there is no need to include the version into the mangling scheme. */ |
1621 | #if 0 |
1622 | sum += PERL_VERSION * 200 + PERL_SUBVERSION * 2; /* Up to 5.6.1 */ |
1623 | #else |
1624 | # ifndef COMPATIBLE_VERSION_SUM /* Binary compatibility with the 5.00553 binary */ |
1625 | # define COMPATIBLE_VERSION_SUM (5 * 200 + 53 * 2) |
1626 | # endif |
1627 | sum += COMPATIBLE_VERSION_SUM; |
1628 | #endif |
760ac839 |
1629 | fname[pos] = 'A' + (sum % 26); |
1630 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
1631 | fname[pos + 2] = '\0'; |
6f064249 |
1632 | return (char *)fname; |
1633 | } |
1634 | |
1635 | XS(XS_DynaLoader_mod2fname) |
1636 | { |
1637 | dXSARGS; |
1638 | if (items != 1) |
23da6c43 |
1639 | Perl_croak_nocontext("Usage: DynaLoader::mod2fname(sv)"); |
6f064249 |
1640 | { |
1641 | SV * sv = ST(0); |
1642 | char * RETVAL; |
1643 | |
23da6c43 |
1644 | RETVAL = mod2fname(aTHX_ sv); |
6f064249 |
1645 | ST(0) = sv_newmortal(); |
1646 | sv_setpv((SV*)ST(0), RETVAL); |
1647 | } |
1648 | XSRETURN(1); |
1649 | } |
1650 | |
1651 | char * |
1652 | os2error(int rc) |
1653 | { |
5c728af0 |
1654 | dTHX; |
6f064249 |
1655 | static char buf[300]; |
1656 | ULONG len; |
9fed8b87 |
1657 | char *s; |
1658 | int number = SvTRUE(get_sv("OS2::nsyserror", TRUE)); |
6f064249 |
1659 | |
55497cff |
1660 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
6f064249 |
1661 | if (rc == 0) |
9fed8b87 |
1662 | return ""; |
1663 | if (number) { |
1664 | sprintf(buf, "SYS%04d=%#x: ", rc, rc); |
1665 | s = buf + strlen(buf); |
1666 | } else |
1667 | s = buf; |
1668 | if (DosGetMessage(NULL, 0, s, sizeof(buf) - 1 - (s-buf), |
1669 | rc, "OSO001.MSG", &len)) { |
1670 | if (!number) { |
1671 | sprintf(buf, "SYS%04d=%#x: ", rc, rc); |
1672 | s = buf + strlen(buf); |
1673 | } |
1674 | sprintf(s, "[No description found in OSO001.MSG]"); |
1675 | } else { |
1676 | s[len] = '\0'; |
1677 | if (len && s[len - 1] == '\n') |
1678 | s[--len] = 0; |
1679 | if (len && s[len - 1] == '\r') |
1680 | s[--len] = 0; |
1681 | if (len && s[len - 1] == '.') |
1682 | s[--len] = 0; |
1683 | if (len >= 10 && number && strnEQ(s, buf, 7) |
1684 | && s[7] == ':' && s[8] == ' ') |
1685 | /* Some messages start with SYSdddd:, some not */ |
1686 | Move(s + 9, s, (len -= 9) + 1, char); |
ed344e4f |
1687 | } |
6f064249 |
1688 | return buf; |
1689 | } |
1690 | |
30500b05 |
1691 | void |
1692 | ResetWinError(void) |
1693 | { |
1694 | WinError_2_Perl_rc; |
1695 | } |
1696 | |
1697 | void |
1698 | CroakWinError(int die, char *name) |
1699 | { |
1700 | FillWinError; |
5c728af0 |
1701 | if (die && Perl_rc) { |
1702 | dTHX; |
1703 | |
1704 | Perl_croak(aTHX_ "%s: %s", (name ? name : "Win* API call"), os2error(Perl_rc)); |
1705 | } |
30500b05 |
1706 | } |
1707 | |
760ac839 |
1708 | char * |
23da6c43 |
1709 | os2_execname(pTHX) |
ed344e4f |
1710 | { |
5ba48348 |
1711 | char buf[300], *p, *o = PL_origargv[0], ok = 1; |
ed344e4f |
1712 | |
1713 | if (_execname(buf, sizeof buf) != 0) |
5ba48348 |
1714 | return o; |
ed344e4f |
1715 | p = buf; |
1716 | while (*p) { |
1717 | if (*p == '\\') |
1718 | *p = '/'; |
5ba48348 |
1719 | if (*p == '/') { |
1720 | if (ok && *o != '/' && *o != '\\') |
1721 | ok = 0; |
1722 | } else if (ok && tolower(*o) != tolower(*p)) |
1723 | ok = 0; |
ed344e4f |
1724 | p++; |
5ba48348 |
1725 | o++; |
1726 | } |
1727 | if (ok) { /* PL_origargv[0] matches the real name. Use PL_origargv[0]: */ |
1728 | strcpy(buf, PL_origargv[0]); /* _execname() is always uppercased */ |
1729 | p = buf; |
1730 | while (*p) { |
1731 | if (*p == '\\') |
1732 | *p = '/'; |
1733 | p++; |
1734 | } |
ed344e4f |
1735 | } |
1736 | p = savepv(buf); |
1737 | SAVEFREEPV(p); |
1738 | return p; |
1739 | } |
1740 | |
1741 | char * |
760ac839 |
1742 | perllib_mangle(char *s, unsigned int l) |
1743 | { |
1744 | static char *newp, *oldp; |
1745 | static int newl, oldl, notfound; |
1746 | static char ret[STATIC_FILE_LENGTH+1]; |
1747 | |
1748 | if (!newp && !notfound) { |
1749 | newp = getenv("PERLLIB_PREFIX"); |
1750 | if (newp) { |
ff68c719 |
1751 | char *s; |
1752 | |
760ac839 |
1753 | oldp = newp; |
89078e0f |
1754 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
760ac839 |
1755 | newp++; oldl++; /* Skip digits. */ |
1756 | } |
1757 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
1758 | newp++; /* Skip whitespace. */ |
1759 | } |
1760 | newl = strlen(newp); |
1761 | if (newl == 0 || oldl == 0) { |
23da6c43 |
1762 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1763 | } |
ff68c719 |
1764 | strcpy(ret, newp); |
1765 | s = ret; |
1766 | while (*s) { |
1767 | if (*s == '\\') *s = '/'; |
1768 | s++; |
1769 | } |
760ac839 |
1770 | } else { |
1771 | notfound = 1; |
1772 | } |
1773 | } |
1774 | if (!newp) { |
1775 | return s; |
1776 | } |
1777 | if (l == 0) { |
1778 | l = strlen(s); |
1779 | } |
3bbf9c2b |
1780 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
760ac839 |
1781 | return s; |
1782 | } |
1783 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
23da6c43 |
1784 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1785 | } |
89078e0f |
1786 | strcpy(ret + newl, s + oldl); |
760ac839 |
1787 | return ret; |
1788 | } |
6f064249 |
1789 | |
4bfbfac5 |
1790 | unsigned long |
1791 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
1792 | { |
1793 | return perl_hab_GET(); |
1794 | } |
1795 | |
1796 | HMQ |
1797 | Perl_Register_MQ(int serve) |
1798 | { |
8c4b3a79 |
1799 | if (Perl_hmq_refcnt <= 0) { |
4bfbfac5 |
1800 | PPIB pib; |
1801 | PTIB tib; |
1802 | |
30500b05 |
1803 | Perl_hmq_refcnt = 0; /* Be extra safe */ |
4bfbfac5 |
1804 | DosGetInfoBlocks(&tib, &pib); |
1805 | Perl_os2_initial_mode = pib->pib_ultype; |
4bfbfac5 |
1806 | /* Try morphing into a PM application. */ |
1807 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
1808 | pib->pib_ultype = 3; /* 3 is PM */ |
1809 | init_PMWIN_entries(); |
1810 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
1811 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
1812 | if (!Perl_hmq) { |
5c728af0 |
1813 | dTHX; |
4bfbfac5 |
1814 | static int cnt; |
5ba48348 |
1815 | |
1816 | SAVEINT(cnt); /* Allow catch()ing. */ |
4bfbfac5 |
1817 | if (cnt++) |
1818 | _exit(188); /* Panic can try to create a window. */ |
23da6c43 |
1819 | Perl_croak_nocontext("Cannot create a message queue, or morph to a PM application"); |
4bfbfac5 |
1820 | } |
8c4b3a79 |
1821 | } |
5ba48348 |
1822 | if (serve) { |
1823 | if ( Perl_hmq_servers <= 0 /* Safe to inform us on shutdown, */ |
1824 | && Perl_hmq_refcnt > 0 ) /* this was switched off before... */ |
1825 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 0); |
1826 | Perl_hmq_servers++; |
1827 | } else if (!Perl_hmq_servers) /* Do not inform us on shutdown */ |
1828 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); |
1829 | Perl_hmq_refcnt++; |
4bfbfac5 |
1830 | return Perl_hmq; |
1831 | } |
1832 | |
1833 | int |
1834 | Perl_Serve_Messages(int force) |
1835 | { |
1836 | int cnt = 0; |
1837 | QMSG msg; |
1838 | |
5ba48348 |
1839 | if (Perl_hmq_servers > 0 && !force) |
4bfbfac5 |
1840 | return 0; |
5ba48348 |
1841 | if (Perl_hmq_refcnt <= 0) |
23da6c43 |
1842 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1843 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
1844 | cnt++; |
1845 | if (msg.msg == WM_QUIT) |
23da6c43 |
1846 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1847 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1848 | } |
1849 | return cnt; |
1850 | } |
1851 | |
1852 | int |
1853 | Perl_Process_Messages(int force, I32 *cntp) |
1854 | { |
1855 | QMSG msg; |
1856 | |
5ba48348 |
1857 | if (Perl_hmq_servers > 0 && !force) |
4bfbfac5 |
1858 | return 0; |
5ba48348 |
1859 | if (Perl_hmq_refcnt <= 0) |
23da6c43 |
1860 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1861 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
1862 | if (cntp) |
1863 | (*cntp)++; |
1864 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1865 | if (msg.msg == WM_DESTROY) |
1866 | return -1; |
1867 | if (msg.msg == WM_CREATE) |
1868 | return +1; |
1869 | } |
23da6c43 |
1870 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1871 | } |
1872 | |
1873 | void |
1874 | Perl_Deregister_MQ(int serve) |
1875 | { |
1876 | PPIB pib; |
1877 | PTIB tib; |
1878 | |
5ba48348 |
1879 | if (serve) |
1880 | Perl_hmq_servers--; |
1881 | if (--Perl_hmq_refcnt <= 0) { |
1882 | init_PMWIN_entries(); /* To be extra safe */ |
4bfbfac5 |
1883 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
1884 | Perl_hmq = 0; |
1885 | /* Try morphing back from a PM application. */ |
5ba48348 |
1886 | DosGetInfoBlocks(&tib, &pib); |
4bfbfac5 |
1887 | if (pib->pib_ultype == 3) /* 3 is PM */ |
1888 | pib->pib_ultype = Perl_os2_initial_mode; |
1889 | else |
23da6c43 |
1890 | Perl_warn_nocontext("Unexpected program mode %d when morphing back from PM", |
4bfbfac5 |
1891 | pib->pib_ultype); |
5ba48348 |
1892 | } else if (serve && Perl_hmq_servers <= 0) /* Last server exited */ |
1893 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); |
4bfbfac5 |
1894 | } |
1895 | |
3bbf9c2b |
1896 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
1897 | && ((path)[2] == '/' || (path)[2] == '\\')) |
1898 | #define sys_is_rooted _fnisabs |
1899 | #define sys_is_relative _fnisrel |
1900 | #define current_drive _getdrive |
1901 | |
1902 | #undef chdir /* Was _chdir2. */ |
1903 | #define sys_chdir(p) (chdir(p) == 0) |
1904 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
1905 | |
4bfbfac5 |
1906 | static int DOS_harderr_state = -1; |
1907 | |
1908 | XS(XS_OS2_Error) |
1909 | { |
1910 | dXSARGS; |
1911 | if (items != 2) |
23da6c43 |
1912 | Perl_croak_nocontext("Usage: OS2::Error(harderr, exception)"); |
4bfbfac5 |
1913 | { |
1914 | int arg1 = SvIV(ST(0)); |
1915 | int arg2 = SvIV(ST(1)); |
1916 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
1917 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
1918 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
1919 | unsigned long rc; |
1920 | |
1921 | if (CheckOSError(DosError(a))) |
23da6c43 |
1922 | Perl_croak_nocontext("DosError(%d) failed", a); |
4bfbfac5 |
1923 | ST(0) = sv_newmortal(); |
1924 | if (DOS_harderr_state >= 0) |
1925 | sv_setiv(ST(0), DOS_harderr_state); |
1926 | DOS_harderr_state = RETVAL; |
1927 | } |
1928 | XSRETURN(1); |
1929 | } |
1930 | |
1931 | static signed char DOS_suppression_state = -1; |
1932 | |
1933 | XS(XS_OS2_Errors2Drive) |
1934 | { |
1935 | dXSARGS; |
1936 | if (items != 1) |
23da6c43 |
1937 | Perl_croak_nocontext("Usage: OS2::Errors2Drive(drive)"); |
4bfbfac5 |
1938 | { |
2d8e6c8d |
1939 | STRLEN n_a; |
4bfbfac5 |
1940 | SV *sv = ST(0); |
1941 | int suppress = SvOK(sv); |
2d8e6c8d |
1942 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
4bfbfac5 |
1943 | char drive = (s ? *s : 0); |
1944 | unsigned long rc; |
1945 | |
1946 | if (suppress && !isALPHA(drive)) |
23da6c43 |
1947 | Perl_croak_nocontext("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
4bfbfac5 |
1948 | if (CheckOSError(DosSuppressPopUps((suppress |
1949 | ? SPU_ENABLESUPPRESSION |
1950 | : SPU_DISABLESUPPRESSION), |
1951 | drive))) |
23da6c43 |
1952 | Perl_croak_nocontext("DosSuppressPopUps(%c) failed", drive); |
4bfbfac5 |
1953 | ST(0) = sv_newmortal(); |
1954 | if (DOS_suppression_state > 0) |
1955 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
1956 | else if (DOS_suppression_state == 0) |
1957 | sv_setpvn(ST(0), "", 0); |
1958 | DOS_suppression_state = drive; |
1959 | } |
1960 | XSRETURN(1); |
1961 | } |
1962 | |
1963 | static const char * const si_fields[QSV_MAX] = { |
1964 | "MAX_PATH_LENGTH", |
1965 | "MAX_TEXT_SESSIONS", |
1966 | "MAX_PM_SESSIONS", |
1967 | "MAX_VDM_SESSIONS", |
1968 | "BOOT_DRIVE", |
1969 | "DYN_PRI_VARIATION", |
1970 | "MAX_WAIT", |
1971 | "MIN_SLICE", |
1972 | "MAX_SLICE", |
1973 | "PAGE_SIZE", |
1974 | "VERSION_MAJOR", |
1975 | "VERSION_MINOR", |
1976 | "VERSION_REVISION", |
1977 | "MS_COUNT", |
1978 | "TIME_LOW", |
1979 | "TIME_HIGH", |
1980 | "TOTPHYSMEM", |
1981 | "TOTRESMEM", |
1982 | "TOTAVAILMEM", |
1983 | "MAXPRMEM", |
1984 | "MAXSHMEM", |
1985 | "TIMER_INTERVAL", |
1986 | "MAX_COMP_LENGTH", |
1987 | "FOREGROUND_FS_SESSION", |
1988 | "FOREGROUND_PROCESS" |
1989 | }; |
1990 | |
1991 | XS(XS_OS2_SysInfo) |
1992 | { |
1993 | dXSARGS; |
1994 | if (items != 0) |
23da6c43 |
1995 | Perl_croak_nocontext("Usage: OS2::SysInfo()"); |
4bfbfac5 |
1996 | { |
1997 | ULONG si[QSV_MAX] = {0}; /* System Information Data Buffer */ |
1998 | APIRET rc = NO_ERROR; /* Return code */ |
1999 | int i = 0, j = 0; |
2000 | |
2001 | if (CheckOSError(DosQuerySysInfo(1L, /* Request all available system */ |
2002 | QSV_MAX, /* information */ |
2003 | (PVOID)si, |
2004 | sizeof(si)))) |
23da6c43 |
2005 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
2006 | EXTEND(SP,2*QSV_MAX); |
2007 | while (i < QSV_MAX) { |
2008 | ST(j) = sv_newmortal(); |
2009 | sv_setpv(ST(j++), si_fields[i]); |
2010 | ST(j) = sv_newmortal(); |
2011 | sv_setiv(ST(j++), si[i]); |
2012 | i++; |
2013 | } |
2014 | } |
2015 | XSRETURN(2 * QSV_MAX); |
2016 | } |
2017 | |
2018 | XS(XS_OS2_BootDrive) |
2019 | { |
2020 | dXSARGS; |
2021 | if (items != 0) |
23da6c43 |
2022 | Perl_croak_nocontext("Usage: OS2::BootDrive()"); |
4bfbfac5 |
2023 | { |
2024 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
2025 | APIRET rc = NO_ERROR; /* Return code */ |
2026 | char c; |
2027 | |
2028 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
2029 | (PVOID)si, sizeof(si)))) |
23da6c43 |
2030 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
2031 | ST(0) = sv_newmortal(); |
2032 | c = 'a' - 1 + si[0]; |
2033 | sv_setpvn(ST(0), &c, 1); |
2034 | } |
2035 | XSRETURN(1); |
2036 | } |
2037 | |
2038 | XS(XS_OS2_MorphPM) |
2039 | { |
2040 | dXSARGS; |
2041 | if (items != 1) |
23da6c43 |
2042 | Perl_croak_nocontext("Usage: OS2::MorphPM(serve)"); |
4bfbfac5 |
2043 | { |
2044 | bool serve = SvOK(ST(0)); |
2045 | unsigned long pmq = perl_hmq_GET(serve); |
2046 | |
2047 | ST(0) = sv_newmortal(); |
2048 | sv_setiv(ST(0), pmq); |
2049 | } |
2050 | XSRETURN(1); |
2051 | } |
2052 | |
2053 | XS(XS_OS2_UnMorphPM) |
2054 | { |
2055 | dXSARGS; |
2056 | if (items != 1) |
23da6c43 |
2057 | Perl_croak_nocontext("Usage: OS2::UnMorphPM(serve)"); |
4bfbfac5 |
2058 | { |
2059 | bool serve = SvOK(ST(0)); |
2060 | |
2061 | perl_hmq_UNSET(serve); |
2062 | } |
2063 | XSRETURN(0); |
2064 | } |
2065 | |
2066 | XS(XS_OS2_Serve_Messages) |
2067 | { |
2068 | dXSARGS; |
2069 | if (items != 1) |
23da6c43 |
2070 | Perl_croak_nocontext("Usage: OS2::Serve_Messages(force)"); |
4bfbfac5 |
2071 | { |
2072 | bool force = SvOK(ST(0)); |
2073 | unsigned long cnt = Perl_Serve_Messages(force); |
2074 | |
2075 | ST(0) = sv_newmortal(); |
2076 | sv_setiv(ST(0), cnt); |
2077 | } |
2078 | XSRETURN(1); |
2079 | } |
2080 | |
2081 | XS(XS_OS2_Process_Messages) |
2082 | { |
2083 | dXSARGS; |
2084 | if (items < 1 || items > 2) |
23da6c43 |
2085 | Perl_croak_nocontext("Usage: OS2::Process_Messages(force [, cnt])"); |
4bfbfac5 |
2086 | { |
2087 | bool force = SvOK(ST(0)); |
2088 | unsigned long cnt; |
4bfbfac5 |
2089 | |
2090 | if (items == 2) { |
47344f21 |
2091 | I32 cntr; |
4bfbfac5 |
2092 | SV *sv = ST(1); |
2d766320 |
2093 | |
2094 | (void)SvIV(sv); /* Force SvIVX */ |
4bfbfac5 |
2095 | if (!SvIOK(sv)) |
23da6c43 |
2096 | Perl_croak_nocontext("Can't upgrade count to IV"); |
47344f21 |
2097 | cntr = SvIVX(sv); |
2098 | cnt = Perl_Process_Messages(force, &cntr); |
2099 | SvIVX(sv) = cntr; |
2100 | } else { |
2101 | cnt = Perl_Process_Messages(force, NULL); |
2102 | } |
4bfbfac5 |
2103 | ST(0) = sv_newmortal(); |
2104 | sv_setiv(ST(0), cnt); |
2105 | } |
2106 | XSRETURN(1); |
2107 | } |
2108 | |
3bbf9c2b |
2109 | XS(XS_Cwd_current_drive) |
2110 | { |
2111 | dXSARGS; |
2112 | if (items != 0) |
23da6c43 |
2113 | Perl_croak_nocontext("Usage: Cwd::current_drive()"); |
3bbf9c2b |
2114 | { |
2115 | char RETVAL; |
2116 | |
2117 | RETVAL = current_drive(); |
2118 | ST(0) = sv_newmortal(); |
2119 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
2120 | } |
2121 | XSRETURN(1); |
2122 | } |
2123 | |
2124 | XS(XS_Cwd_sys_chdir) |
2125 | { |
2126 | dXSARGS; |
2127 | if (items != 1) |
23da6c43 |
2128 | Perl_croak_nocontext("Usage: Cwd::sys_chdir(path)"); |
3bbf9c2b |
2129 | { |
2d8e6c8d |
2130 | STRLEN n_a; |
2131 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
2132 | bool RETVAL; |
2133 | |
2134 | RETVAL = sys_chdir(path); |
54310121 |
2135 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2136 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2137 | } |
2138 | XSRETURN(1); |
2139 | } |
2140 | |
2141 | XS(XS_Cwd_change_drive) |
2142 | { |
2143 | dXSARGS; |
2144 | if (items != 1) |
23da6c43 |
2145 | Perl_croak_nocontext("Usage: Cwd::change_drive(d)"); |
3bbf9c2b |
2146 | { |
2d8e6c8d |
2147 | STRLEN n_a; |
2148 | char d = (char)*SvPV(ST(0),n_a); |
3bbf9c2b |
2149 | bool RETVAL; |
2150 | |
2151 | RETVAL = change_drive(d); |
54310121 |
2152 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2153 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2154 | } |
2155 | XSRETURN(1); |
2156 | } |
2157 | |
2158 | XS(XS_Cwd_sys_is_absolute) |
2159 | { |
2160 | dXSARGS; |
2161 | if (items != 1) |
23da6c43 |
2162 | Perl_croak_nocontext("Usage: Cwd::sys_is_absolute(path)"); |
3bbf9c2b |
2163 | { |
2d8e6c8d |
2164 | STRLEN n_a; |
2165 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
2166 | bool RETVAL; |
2167 | |
2168 | RETVAL = sys_is_absolute(path); |
54310121 |
2169 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2170 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2171 | } |
2172 | XSRETURN(1); |
2173 | } |
2174 | |
2175 | XS(XS_Cwd_sys_is_rooted) |
2176 | { |
2177 | dXSARGS; |
2178 | if (items != 1) |
23da6c43 |
2179 | Perl_croak_nocontext("Usage: Cwd::sys_is_rooted(path)"); |
3bbf9c2b |
2180 | { |
2d8e6c8d |
2181 | STRLEN n_a; |
2182 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
2183 | bool RETVAL; |
2184 | |
2185 | RETVAL = sys_is_rooted(path); |
54310121 |
2186 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2187 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2188 | } |
2189 | XSRETURN(1); |
2190 | } |
2191 | |
2192 | XS(XS_Cwd_sys_is_relative) |
2193 | { |
2194 | dXSARGS; |
2195 | if (items != 1) |
23da6c43 |
2196 | Perl_croak_nocontext("Usage: Cwd::sys_is_relative(path)"); |
3bbf9c2b |
2197 | { |
2d8e6c8d |
2198 | STRLEN n_a; |
2199 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
2200 | bool RETVAL; |
2201 | |
2202 | RETVAL = sys_is_relative(path); |
54310121 |
2203 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2204 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2205 | } |
2206 | XSRETURN(1); |
2207 | } |
2208 | |
2209 | XS(XS_Cwd_sys_cwd) |
2210 | { |
2211 | dXSARGS; |
2212 | if (items != 0) |
23da6c43 |
2213 | Perl_croak_nocontext("Usage: Cwd::sys_cwd()"); |
3bbf9c2b |
2214 | { |
2215 | char p[MAXPATHLEN]; |
2216 | char * RETVAL; |
2217 | RETVAL = _getcwd2(p, MAXPATHLEN); |
2218 | ST(0) = sv_newmortal(); |
2219 | sv_setpv((SV*)ST(0), RETVAL); |
ebdd4fa0 |
2220 | #ifndef INCOMPLETE_TAINTS |
2221 | SvTAINTED_on(ST(0)); |
2222 | #endif |
3bbf9c2b |
2223 | } |
2224 | XSRETURN(1); |
2225 | } |
2226 | |
2227 | XS(XS_Cwd_sys_abspath) |
2228 | { |
2229 | dXSARGS; |
2230 | if (items < 1 || items > 2) |
23da6c43 |
2231 | Perl_croak_nocontext("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
3bbf9c2b |
2232 | { |
2d8e6c8d |
2233 | STRLEN n_a; |
2234 | char * path = (char *)SvPV(ST(0),n_a); |
f5f423e4 |
2235 | char * dir, *s, *t, *e; |
3bbf9c2b |
2236 | char p[MAXPATHLEN]; |
2237 | char * RETVAL; |
f5f423e4 |
2238 | int l; |
2239 | SV *sv; |
3bbf9c2b |
2240 | |
2241 | if (items < 2) |
2242 | dir = NULL; |
2243 | else { |
2d8e6c8d |
2244 | dir = (char *)SvPV(ST(1),n_a); |
3bbf9c2b |
2245 | } |
2246 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
2247 | path += 2; |
2248 | } |
2249 | if (dir == NULL) { |
2250 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
2251 | RETVAL = p; |
2252 | } else { |
2253 | RETVAL = NULL; |
2254 | } |
2255 | } else { |
2256 | /* Absolute with drive: */ |
2257 | if ( sys_is_absolute(path) ) { |
2258 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
2259 | RETVAL = p; |
2260 | } else { |
2261 | RETVAL = NULL; |
2262 | } |
2263 | } else if (path[0] == '/' || path[0] == '\\') { |
2264 | /* Rooted, but maybe on different drive. */ |
2265 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
2266 | char p1[MAXPATHLEN]; |
2267 | |
2268 | /* Need to prepend the drive. */ |
2269 | p1[0] = dir[0]; |
2270 | p1[1] = dir[1]; |
2271 | Copy(path, p1 + 2, strlen(path) + 1, char); |
2272 | RETVAL = p; |
2273 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
2274 | RETVAL = p; |
2275 | } else { |
2276 | RETVAL = NULL; |
2277 | } |
2278 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
2279 | RETVAL = p; |
2280 | } else { |
2281 | RETVAL = NULL; |
2282 | } |
2283 | } else { |
2284 | /* Either path is relative, or starts with a drive letter. */ |
2285 | /* If the path starts with a drive letter, then dir is |
2286 | relevant only if |
2287 | a/b) it is absolute/x:relative on the same drive. |
2288 | c) path is on current drive, and dir is rooted |
2289 | In all the cases it is safe to drop the drive part |
2290 | of the path. */ |
2291 | if ( !sys_is_relative(path) ) { |
3bbf9c2b |
2292 | if ( ( ( sys_is_absolute(dir) |
2293 | || (isALPHA(dir[0]) && dir[1] == ':' |
2294 | && strnicmp(dir, path,1) == 0)) |
2295 | && strnicmp(dir, path,1) == 0) |
2296 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
2297 | && toupper(path[0]) == current_drive())) { |
2298 | path += 2; |
2299 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
2300 | RETVAL = p; goto done; |
2301 | } else { |
2302 | RETVAL = NULL; goto done; |
2303 | } |
2304 | } |
2305 | { |
2306 | /* Need to prepend the absolute path of dir. */ |
2307 | char p1[MAXPATHLEN]; |
2308 | |
2309 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
2310 | int l = strlen(p1); |
2311 | |
2312 | if (p1[ l - 1 ] != '/') { |
2313 | p1[ l ] = '/'; |
2314 | l++; |
2315 | } |
2316 | Copy(path, p1 + l, strlen(path) + 1, char); |
2317 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
2318 | RETVAL = p; |
2319 | } else { |
2320 | RETVAL = NULL; |
2321 | } |
2322 | } else { |
2323 | RETVAL = NULL; |
2324 | } |
2325 | } |
2326 | done: |
2327 | } |
2328 | } |
f5f423e4 |
2329 | if (!RETVAL) |
2330 | XSRETURN_EMPTY; |
2331 | /* Backslashes are already converted to slashes. */ |
2332 | /* Remove trailing slashes */ |
2333 | l = strlen(RETVAL); |
2334 | while (l > 0 && RETVAL[l-1] == '/') |
2335 | l--; |
3bbf9c2b |
2336 | ST(0) = sv_newmortal(); |
f5f423e4 |
2337 | sv_setpvn( sv = (SV*)ST(0), RETVAL, l); |
45ee47cb |
2338 | /* Remove duplicate slashes, skipping the first three, which |
2339 | may be parts of a server-based path */ |
2340 | s = t = 3 + SvPV_force(sv, n_a); |
f5f423e4 |
2341 | e = SvEND(sv); |
45ee47cb |
2342 | /* Do not worry about multibyte chars here, this would contradict the |
2343 | eventual UTFization, and currently most other places break too... */ |
f5f423e4 |
2344 | while (s < e) { |
2345 | if (s[0] == t[-1] && s[0] == '/') |
2346 | s++; /* Skip duplicate / */ |
2347 | else |
2348 | *t++ = *s++; |
2349 | } |
45ee47cb |
2350 | if (t < e) { |
2351 | *t = 0; |
2352 | SvCUR_set(sv, t - SvPVX(sv)); |
2353 | } |
3bbf9c2b |
2354 | } |
2355 | XSRETURN(1); |
2356 | } |
72ea3524 |
2357 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
2358 | |
5a9d0041 |
2359 | /* Kernels after 2000/09/15 understand this too: */ |
2360 | #ifndef LIBPATHSTRICT |
2361 | # define LIBPATHSTRICT 3 |
2362 | #endif |
2363 | |
72ea3524 |
2364 | APIRET |
5a9d0041 |
2365 | ExtLIBPATH(ULONG ord, PSZ path, IV type) |
72ea3524 |
2366 | { |
5a9d0041 |
2367 | ULONG what; |
35bc1fdc |
2368 | PFN f = loadByOrdinal(ord, 1); /* Guarantied to load or die! */ |
5a9d0041 |
2369 | |
5a9d0041 |
2370 | if (type > 0) |
2371 | what = END_LIBPATH; |
2372 | else if (type == 0) |
2373 | what = BEGIN_LIBPATH; |
2374 | else |
2375 | what = LIBPATHSTRICT; |
35bc1fdc |
2376 | return (*(PELP)f)(path, what); |
72ea3524 |
2377 | } |
3bbf9c2b |
2378 | |
5a9d0041 |
2379 | #define extLibpath(to,type) \ |
35bc1fdc |
2380 | (CheckOSError(ExtLIBPATH(ORD_DosQueryExtLibpath, (to), (type))) ? NULL : (to) ) |
3bbf9c2b |
2381 | |
2382 | #define extLibpath_set(p,type) \ |
35bc1fdc |
2383 | (!CheckOSError(ExtLIBPATH(ORD_DosSetExtLibpath, (p), (type)))) |
3bbf9c2b |
2384 | |
2385 | XS(XS_Cwd_extLibpath) |
2386 | { |
2387 | dXSARGS; |
2388 | if (items < 0 || items > 1) |
23da6c43 |
2389 | Perl_croak_nocontext("Usage: Cwd::extLibpath(type = 0)"); |
3bbf9c2b |
2390 | { |
5a9d0041 |
2391 | IV type; |
3bbf9c2b |
2392 | char to[1024]; |
2393 | U32 rc; |
2394 | char * RETVAL; |
2395 | |
2396 | if (items < 1) |
2397 | type = 0; |
2398 | else { |
5a9d0041 |
2399 | type = SvIV(ST(0)); |
3bbf9c2b |
2400 | } |
2401 | |
5a9d0041 |
2402 | to[0] = 1; to[1] = 0; /* Sometimes no error reported */ |
2403 | RETVAL = extLibpath(to, type); |
2404 | if (RETVAL && RETVAL[0] == 1 && RETVAL[1] == 0) |
2405 | Perl_croak_nocontext("panic Cwd::extLibpath parameter"); |
3bbf9c2b |
2406 | ST(0) = sv_newmortal(); |
2407 | sv_setpv((SV*)ST(0), RETVAL); |
2408 | } |
2409 | XSRETURN(1); |
2410 | } |
2411 | |
2412 | XS(XS_Cwd_extLibpath_set) |
2413 | { |
2414 | dXSARGS; |
2415 | if (items < 1 || items > 2) |
23da6c43 |
2416 | Perl_croak_nocontext("Usage: Cwd::extLibpath_set(s, type = 0)"); |
3bbf9c2b |
2417 | { |
2d8e6c8d |
2418 | STRLEN n_a; |
2419 | char * s = (char *)SvPV(ST(0),n_a); |
5a9d0041 |
2420 | IV type; |
3bbf9c2b |
2421 | U32 rc; |
2422 | bool RETVAL; |
2423 | |
2424 | if (items < 2) |
2425 | type = 0; |
2426 | else { |
5a9d0041 |
2427 | type = SvIV(ST(1)); |
3bbf9c2b |
2428 | } |
2429 | |
2430 | RETVAL = extLibpath_set(s, type); |
54310121 |
2431 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2432 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2433 | } |
2434 | XSRETURN(1); |
2435 | } |
2436 | |
30500b05 |
2437 | /* Input: Address, BufLen |
2438 | APIRET APIENTRY |
2439 | DosQueryModFromEIP (HMODULE * hmod, ULONG * obj, ULONG BufLen, PCHAR Buf, |
2440 | ULONG * Offset, ULONG Address); |
2441 | */ |
2442 | |
2443 | DeclOSFuncByORD(APIRET, _DosQueryModFromEIP,ORD_DosQueryModFromEIP, |
2444 | (HMODULE * hmod, ULONG * obj, ULONG BufLen, PCHAR Buf, |
2445 | ULONG * Offset, ULONG Address), |
2446 | (hmod, obj, BufLen, Buf, Offset, Address)) |
2447 | |
2448 | enum module_name_how { mod_name_handle, mod_name_shortname, mod_name_full}; |
2449 | |
2450 | static SV* |
2451 | module_name_at(void *pp, enum module_name_how how) |
2452 | { |
5c728af0 |
2453 | dTHX; |
30500b05 |
2454 | char buf[MAXPATHLEN]; |
2455 | char *p = buf; |
2456 | HMODULE mod; |
2457 | ULONG obj, offset, rc; |
2458 | |
2459 | if (!_DosQueryModFromEIP(&mod, &obj, sizeof(buf), buf, &offset, (ULONG)pp)) |
2460 | return &PL_sv_undef; |
2461 | if (how == mod_name_handle) |
2462 | return newSVuv(mod); |
2463 | /* Full name... */ |
2464 | if ( how == mod_name_full |
2465 | && CheckOSError(DosQueryModuleName(mod, sizeof(buf), buf)) ) |
2466 | return &PL_sv_undef; |
2467 | while (*p) { |
2468 | if (*p == '\\') |
2469 | *p = '/'; |
2470 | p++; |
2471 | } |
2472 | return newSVpv(buf, 0); |
2473 | } |
2474 | |
2475 | static SV* |
2476 | module_name_of_cv(SV *cv, enum module_name_how how) |
2477 | { |
5c728af0 |
2478 | if (!cv || !SvROK(cv) || SvTYPE(SvRV(cv)) != SVt_PVCV || !CvXSUB(SvRV(cv))) { |
2479 | dTHX; |
2480 | |
2481 | Perl_croak(aTHX_ "Not an XSUB reference"); |
2482 | } |
30500b05 |
2483 | return module_name_at(CvXSUB(SvRV(cv)), how); |
2484 | } |
2485 | |
2486 | /* Find module name to which *this* subroutine is compiled */ |
2487 | #define module_name(how) module_name_at(&module_name_at, how) |
2488 | |
2489 | XS(XS_OS2_DLLname) |
2490 | { |
2491 | dXSARGS; |
2492 | if (items > 2) |
2493 | Perl_croak(aTHX_ "Usage: OS2::DLLname( [ how, [\\&xsub] ] )"); |
2494 | { |
2495 | SV * RETVAL; |
2496 | int how; |
2497 | |
2498 | if (items < 1) |
2499 | how = mod_name_full; |
2500 | else { |
2501 | how = (int)SvIV(ST(0)); |
2502 | } |
2503 | if (items < 2) |
2504 | RETVAL = module_name(how); |
2505 | else |
2506 | RETVAL = module_name_of_cv(ST(1), how); |
2507 | ST(0) = RETVAL; |
2508 | sv_2mortal(ST(0)); |
2509 | } |
2510 | XSRETURN(1); |
2511 | } |
2512 | |
5ba48348 |
2513 | #define get_control87() _control87(0,0) |
2514 | #define set_control87 _control87 |
2515 | |
2516 | XS(XS_OS2__control87) |
2517 | { |
2518 | dXSARGS; |
2519 | if (items != 2) |
5c728af0 |
2520 | Perl_croak(aTHX_ "Usage: OS2::_control87(new,mask)"); |
5ba48348 |
2521 | { |
2522 | unsigned new = (unsigned)SvIV(ST(0)); |
2523 | unsigned mask = (unsigned)SvIV(ST(1)); |
2524 | unsigned RETVAL; |
2525 | |
2526 | RETVAL = _control87(new, mask); |
2527 | ST(0) = sv_newmortal(); |
2528 | sv_setiv(ST(0), (IV)RETVAL); |
2529 | } |
2530 | XSRETURN(1); |
2531 | } |
2532 | |
2533 | XS(XS_OS2_get_control87) |
2534 | { |
2535 | dXSARGS; |
2536 | if (items != 0) |
5c728af0 |
2537 | Perl_croak(aTHX_ "Usage: OS2::get_control87()"); |
5ba48348 |
2538 | { |
2539 | unsigned RETVAL; |
2540 | |
2541 | RETVAL = get_control87(); |
2542 | ST(0) = sv_newmortal(); |
2543 | sv_setiv(ST(0), (IV)RETVAL); |
2544 | } |
2545 | XSRETURN(1); |
2546 | } |
2547 | |
2548 | |
2549 | XS(XS_OS2_set_control87) |
2550 | { |
2551 | dXSARGS; |
2552 | if (items < 0 || items > 2) |
5c728af0 |
2553 | Perl_croak(aTHX_ "Usage: OS2::set_control87(new=MCW_EM, mask=MCW_EM)"); |
5ba48348 |
2554 | { |
2555 | unsigned new; |
2556 | unsigned mask; |
2557 | unsigned RETVAL; |
2558 | |
2559 | if (items < 1) |
2560 | new = MCW_EM; |
2561 | else { |
2562 | new = (unsigned)SvIV(ST(0)); |
2563 | } |
2564 | |
2565 | if (items < 2) |
2566 | mask = MCW_EM; |
2567 | else { |
2568 | mask = (unsigned)SvIV(ST(1)); |
2569 | } |
2570 | |
2571 | RETVAL = set_control87(new, mask); |
2572 | ST(0) = sv_newmortal(); |
2573 | sv_setiv(ST(0), (IV)RETVAL); |
2574 | } |
2575 | XSRETURN(1); |
2576 | } |
2577 | |
3bbf9c2b |
2578 | int |
23da6c43 |
2579 | Xs_OS2_init(pTHX) |
3bbf9c2b |
2580 | { |
2581 | char *file = __FILE__; |
2582 | { |
2583 | GV *gv; |
55497cff |
2584 | |
2585 | if (_emx_env & 0x200) { /* OS/2 */ |
2586 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
2587 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
2588 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
2589 | } |
4bfbfac5 |
2590 | newXS("OS2::Error", XS_OS2_Error, file); |
2591 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
2592 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
2593 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
2594 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
2595 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
2596 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
2597 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
3bbf9c2b |
2598 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
2599 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
2600 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
2601 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
2602 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
2603 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
2604 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
2605 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
2606 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
5ba48348 |
2607 | newXSproto("OS2::_control87", XS_OS2__control87, file, "$$"); |
2608 | newXSproto("OS2::get_control87", XS_OS2_get_control87, file, ""); |
2609 | newXSproto("OS2::set_control87", XS_OS2_set_control87, file, ";$$"); |
30500b05 |
2610 | newXSproto("OS2::DLLname", XS_OS2_DLLname, file, ";$$"); |
3bbf9c2b |
2611 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
2612 | GvMULTI_on(gv); |
2613 | #ifdef PERL_IS_AOUT |
2614 | sv_setiv(GvSV(gv), 1); |
764df951 |
2615 | #endif |
2616 | gv = gv_fetchpv("OS2::can_fork", TRUE, SVt_PV); |
2617 | GvMULTI_on(gv); |
2618 | sv_setiv(GvSV(gv), exe_is_aout()); |
4bfbfac5 |
2619 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
2620 | GvMULTI_on(gv); |
2621 | sv_setiv(GvSV(gv), _emx_rev); |
2622 | sv_setpv(GvSV(gv), _emx_vprt); |
2623 | SvIOK_on(GvSV(gv)); |
2624 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
2625 | GvMULTI_on(gv); |
2626 | sv_setiv(GvSV(gv), _emx_env); |
2627 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
2628 | GvMULTI_on(gv); |
2629 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
9fed8b87 |
2630 | gv = gv_fetchpv("OS2::nsyserror", TRUE, SVt_PV); |
2631 | GvMULTI_on(gv); |
2632 | sv_setiv(GvSV(gv), 1); /* DEFAULT: Show number on syserror */ |
3bbf9c2b |
2633 | } |
2d766320 |
2634 | return 0; |
3bbf9c2b |
2635 | } |
2636 | |
2637 | OS2_Perl_data_t OS2_Perl_data; |
2638 | |
764df951 |
2639 | extern void _emx_init(void*); |
2640 | |
2641 | static void jmp_out_of_atexit(void); |
2642 | |
2643 | #define FORCE_EMX_INIT_CONTRACT_ARGV 1 |
2644 | #define FORCE_EMX_INIT_INSTALL_ATEXIT 2 |
2645 | |
2646 | static void |
2647 | my_emx_init(void *layout) { |
2648 | static volatile void *p = 0; /* Cannot be on stack! */ |
2649 | |
2650 | /* Can't just call emx_init(), since it moves the stack pointer */ |
2651 | /* It also busts a lot of registers, so be extra careful */ |
2652 | __asm__( "pushf\n" |
2653 | "pusha\n" |
2654 | "movl %%esp, %1\n" |
2655 | "push %0\n" |
2656 | "call __emx_init\n" |
2657 | "movl %1, %%esp\n" |
2658 | "popa\n" |
2659 | "popf\n" : : "r" (layout), "m" (p) ); |
2660 | } |
2661 | |
2662 | struct layout_table_t { |
2663 | ULONG text_base; |
2664 | ULONG text_end; |
2665 | ULONG data_base; |
2666 | ULONG data_end; |
2667 | ULONG bss_base; |
2668 | ULONG bss_end; |
2669 | ULONG heap_base; |
2670 | ULONG heap_end; |
2671 | ULONG heap_brk; |
2672 | ULONG heap_off; |
2673 | ULONG os2_dll; |
2674 | ULONG stack_base; |
2675 | ULONG stack_end; |
2676 | ULONG flags; |
2677 | ULONG reserved[2]; |
2678 | char options[64]; |
2679 | }; |
2680 | |
2681 | static ULONG |
2682 | my_os_version() { |
2683 | static ULONG res; /* Cannot be on stack! */ |
2684 | |
c4e0013e |
2685 | /* Can't just call __os_version(), since it does not follow C |
2686 | calling convention: it busts a lot of registers, so be extra careful */ |
764df951 |
2687 | __asm__( "pushf\n" |
2688 | "pusha\n" |
2689 | "call ___os_version\n" |
2690 | "movl %%eax, %0\n" |
2691 | "popa\n" |
2692 | "popf\n" : "=m" (res) ); |
2693 | |
2694 | return res; |
2695 | } |
2696 | |
2697 | static void |
2698 | force_init_emx_runtime(EXCEPTIONREGISTRATIONRECORD *preg, ULONG flags) |
2699 | { |
2700 | /* Calling emx_init() will bust the top of stack: it installs an |
2701 | exception handler and puts argv data there. */ |
2702 | char *oldarg, *oldenv; |
2703 | void *oldstackend, *oldstack; |
2704 | PPIB pib; |
2705 | PTIB tib; |
2706 | static ULONG os2_dll; |
2707 | ULONG rc, error = 0, out; |
2708 | char buf[512]; |
2709 | static struct layout_table_t layout_table; |
2710 | struct { |
2711 | char buf[48*1024]; /* _emx_init() requires 32K, cmd.exe has 64K only */ |
2712 | double alignment1; |
2713 | EXCEPTIONREGISTRATIONRECORD xreg; |
2714 | } *newstack; |
2715 | char *s; |
2716 | |
2717 | layout_table.os2_dll = (ULONG)&os2_dll; |
2718 | layout_table.flags = 0x02000002; /* flags: application, OMF */ |
2719 | |
2720 | DosGetInfoBlocks(&tib, &pib); |
2721 | oldarg = pib->pib_pchcmd; |
2722 | oldenv = pib->pib_pchenv; |
2723 | oldstack = tib->tib_pstack; |
2724 | oldstackend = tib->tib_pstacklimit; |
2725 | |
2726 | /* Minimize the damage to the stack via reducing the size of argv. */ |
2727 | if (flags & FORCE_EMX_INIT_CONTRACT_ARGV) { |
2728 | pib->pib_pchcmd = "\0\0"; /* Need 3 concatenated strings */ |
2729 | pib->pib_pchcmd = "\0"; /* Ended by an extra \0. */ |
2730 | } |
2731 | |
2732 | newstack = alloca(sizeof(*newstack)); |
2733 | /* Emulate the stack probe */ |
2734 | s = ((char*)newstack) + sizeof(*newstack); |
2735 | while (s > (char*)newstack) { |
2736 | s[-1] = 0; |
2737 | s -= 4096; |
2738 | } |
2739 | |
2740 | /* Reassigning stack is documented to work */ |
2741 | tib->tib_pstack = (void*)newstack; |
2742 | tib->tib_pstacklimit = (void*)((char*)newstack + sizeof(*newstack)); |
2743 | |
2744 | /* Can't just call emx_init(), since it moves the stack pointer */ |
2745 | my_emx_init((void*)&layout_table); |
2746 | |
2747 | /* Remove the exception handler, cannot use it - too low on the stack. |
2748 | Check whether it is inside the new stack. */ |
2749 | buf[0] = 0; |
2750 | if (tib->tib_pexchain >= tib->tib_pstacklimit |
2751 | || tib->tib_pexchain < tib->tib_pstack) { |
2752 | error = 1; |
2753 | sprintf(buf, |
2754 | "panic: ExceptionHandler misplaced: not %#lx <= %#lx < %#lx\n", |
2755 | (unsigned long)tib->tib_pstack, |
2756 | (unsigned long)tib->tib_pexchain, |
2757 | (unsigned long)tib->tib_pstacklimit); |
2758 | goto finish; |
2759 | } |
2760 | if (tib->tib_pexchain != &(newstack->xreg)) { |
2761 | sprintf(buf, "ExceptionHandler misplaced: %#lx != %#lx\n", |
2762 | (unsigned long)tib->tib_pexchain, |
2763 | (unsigned long)&(newstack->xreg)); |
2764 | } |
2765 | rc = DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)tib->tib_pexchain); |
2766 | if (rc) |
2767 | sprintf(buf + strlen(buf), |
2768 | "warning: DosUnsetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
2769 | |
2770 | if (preg) { |
2771 | /* ExceptionRecords should be on stack, in a correct order. Sigh... */ |
2772 | preg->prev_structure = 0; |
2773 | preg->ExceptionHandler = _emx_exception; |
2774 | rc = DosSetExceptionHandler(preg); |
2775 | if (rc) { |
2776 | sprintf(buf + strlen(buf), |
2777 | "warning: DosSetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
2778 | DosWrite(2, buf, strlen(buf), &out); |
2779 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
2780 | } |
2781 | } else |
2782 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
2783 | |
2784 | finish: |
2785 | /* Restore the damage */ |
2786 | pib->pib_pchcmd = oldarg; |
2787 | pib->pib_pchcmd = oldenv; |
2788 | tib->tib_pstacklimit = oldstackend; |
2789 | tib->tib_pstack = oldstack; |
2790 | emx_runtime_init = 1; |
2791 | if (buf[0]) |
2792 | DosWrite(2, buf, strlen(buf), &out); |
2793 | if (error) |
2794 | exit(56); |
2795 | } |
2796 | |
2797 | jmp_buf at_exit_buf; |
2798 | int longjmp_at_exit; |
2799 | |
2800 | static void |
2801 | jmp_out_of_atexit(void) |
2802 | { |
2803 | if (longjmp_at_exit) |
2804 | longjmp(at_exit_buf, 1); |
2805 | } |
2806 | |
2807 | extern void _CRT_term(void); |
2808 | |
2809 | int emx_runtime_secondary; |
2810 | |
2811 | void |
2812 | Perl_OS2_term(void **p, int exitstatus, int flags) |
2813 | { |
2814 | if (!emx_runtime_secondary) |
2815 | return; |
2816 | |
2817 | /* The principal executable is not running the same CRTL, so there |
2818 | is nobody to shutdown *this* CRTL except us... */ |
2819 | if (flags & FORCE_EMX_DEINIT_EXIT) { |
2820 | if (p && !emx_exception_init) |
2821 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
2822 | /* Do not run the executable's CRTL's termination routines */ |
2823 | exit(exitstatus); /* Run at-exit, flush buffers, etc */ |
2824 | } |
2825 | /* Run at-exit list, and jump out at the end */ |
2826 | if ((flags & FORCE_EMX_DEINIT_RUN_ATEXIT) && !setjmp(at_exit_buf)) { |
2827 | longjmp_at_exit = 1; |
2828 | exit(exitstatus); /* The first pass through "if" */ |
2829 | } |
2830 | |
2831 | /* Get here if we managed to jump out of exit(), or did not run atexit. */ |
2832 | longjmp_at_exit = 0; /* Maybe exit() is called again? */ |
2833 | #if 0 /* _atexit_n is not exported */ |
2834 | if (flags & FORCE_EMX_DEINIT_RUN_ATEXIT) |
2835 | _atexit_n = 0; /* Remove the atexit() handlers */ |
2836 | #endif |
2837 | /* Will segfault on program termination if we leave this dangling... */ |
2838 | if (p && !emx_exception_init) |
2839 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
2840 | /* Typically there is no need to do this, done from _DLL_InitTerm() */ |
2841 | if (flags & FORCE_EMX_DEINIT_CRT_TERM) |
2842 | _CRT_term(); /* Flush buffers, etc. */ |
2843 | /* Now it is a good time to call exit() in the caller's CRTL... */ |
2844 | } |
2845 | |
2846 | #include <emx/startup.h> |
2847 | |
2848 | extern ULONG __os_version(); /* See system.doc */ |
2849 | |
2850 | static int emx_wasnt_initialized; |
2851 | |
2852 | void |
2853 | check_emx_runtime(char **env, EXCEPTIONREGISTRATIONRECORD *preg) |
2854 | { |
2855 | ULONG v_crt, v_emx; |
2856 | |
2857 | /* If _environ is not set, this code sits in a DLL which |
2858 | uses a CRT DLL which not compatible with the executable's |
2859 | CRT library. Some parts of the DLL are not initialized. |
2860 | */ |
2861 | if (_environ != NULL) |
2862 | return; /* Properly initialized */ |
2863 | |
2864 | /* If the executable does not use EMX.DLL, EMX.DLL is not completely |
2865 | initialized either. Uninitialized EMX.DLL returns 0 in the low |
2866 | nibble of __os_version(). */ |
2867 | v_emx = my_os_version(); |
2868 | |
2869 | /* _osmajor and _osminor are normally set in _DLL_InitTerm of CRT DLL |
2870 | (=>_CRT_init=>_entry2) via a call to __os_version(), then |
2871 | reset when the EXE initialization code calls _text=>_init=>_entry2. |
2872 | The first time they are wrongly set to 0; the second time the |
2873 | EXE initialization code had already called emx_init=>initialize1 |
2874 | which correctly set version_major, version_minor used by |
2875 | __os_version(). */ |
2876 | v_crt = (_osmajor | _osminor); |
2877 | |
2878 | if ((_emx_env & 0x200) && !(v_emx & 0xFFFF)) { /* OS/2, EMX uninit. */ |
2879 | force_init_emx_runtime( preg, |
2880 | FORCE_EMX_INIT_CONTRACT_ARGV |
2881 | | FORCE_EMX_INIT_INSTALL_ATEXIT ); |
2882 | emx_wasnt_initialized = 1; |
2883 | /* Update CRTL data basing on now-valid EMX runtime data */ |
2884 | if (!v_crt) { /* The only wrong data are the versions. */ |
2885 | v_emx = my_os_version(); /* *Now* it works */ |
2886 | *(unsigned char *)&_osmajor = v_emx & 0xFF; /* Cast out const */ |
2887 | *(unsigned char *)&_osminor = (v_emx>>8) & 0xFF; |
2888 | } |
2889 | } |
2890 | emx_runtime_secondary = 1; |
2891 | /* if (flags & FORCE_EMX_INIT_INSTALL_ATEXIT) */ |
2892 | atexit(jmp_out_of_atexit); /* Allow run of atexit() w/o exit() */ |
2893 | |
9e2a34c1 |
2894 | if (env == NULL) { /* Fetch from the process info block */ |
764df951 |
2895 | int c = 0; |
2896 | PPIB pib; |
2897 | PTIB tib; |
2898 | char *e, **ep; |
2899 | |
2900 | DosGetInfoBlocks(&tib, &pib); |
2901 | e = pib->pib_pchenv; |
2902 | while (*e) { /* Get count */ |
2903 | c++; |
2904 | e = e + strlen(e) + 1; |
2905 | } |
764df951 |
2906 | New(1307, env, c + 1, char*); |
2907 | ep = env; |
2908 | e = pib->pib_pchenv; |
2909 | while (c--) { |
2910 | *ep++ = e; |
2911 | e = e + strlen(e) + 1; |
2912 | } |
2913 | *ep = NULL; |
2914 | } |
2915 | _environ = _org_environ = env; |
2916 | } |
2917 | |
2918 | #define ENTRY_POINT 0x10000 |
2919 | |
2920 | static int |
2921 | exe_is_aout(void) |
2922 | { |
2923 | struct layout_table_t *layout; |
2924 | if (emx_wasnt_initialized) |
2925 | return 0; |
2926 | /* Now we know that the principal executable is an EMX application |
2927 | - unless somebody did already play with delayed initialization... */ |
2928 | /* With EMX applications to determine whether it is AOUT one needs |
2929 | to examine the start of the executable to find "layout" */ |
2930 | if ( *(unsigned char*)ENTRY_POINT != 0x68 /* PUSH n */ |
2931 | || *(unsigned char*)(ENTRY_POINT+5) != 0xe8 /* CALL */ |
2932 | || *(unsigned char*)(ENTRY_POINT+10) != 0xeb /* JMP */ |
2933 | || *(unsigned char*)(ENTRY_POINT+12) != 0xe8) /* CALL */ |
2934 | return 0; /* ! EMX executable */ |
2935 | /* Fix alignment */ |
2936 | Copy((char*)(ENTRY_POINT+1), &layout, 1, struct layout_table_t*); |
2937 | return !(layout->flags & 2); |
2938 | } |
2939 | |
3bbf9c2b |
2940 | void |
aa689395 |
2941 | Perl_OS2_init(char **env) |
3bbf9c2b |
2942 | { |
764df951 |
2943 | Perl_OS2_init3(env, 0, 0); |
2944 | } |
2945 | |
2946 | void |
2947 | Perl_OS2_init3(char **env, void **preg, int flags) |
2948 | { |
3bbf9c2b |
2949 | char *shell; |
2950 | |
764df951 |
2951 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
18f739ee |
2952 | MALLOC_INIT; |
764df951 |
2953 | |
2954 | check_emx_runtime(env, (EXCEPTIONREGISTRATIONRECORD *)preg); |
2955 | |
3bbf9c2b |
2956 | settmppath(); |
2957 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
2958 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
6b88bc9c |
2959 | New(1304, PL_sh_path, strlen(SH_PATH) + 1, char); |
2960 | strcpy(PL_sh_path, SH_PATH); |
2961 | PL_sh_path[0] = shell[0]; |
3bbf9c2b |
2962 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
ff68c719 |
2963 | int l = strlen(shell), i; |
3bbf9c2b |
2964 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
2965 | l--; |
2966 | } |
6b88bc9c |
2967 | New(1304, PL_sh_path, l + 8, char); |
2968 | strncpy(PL_sh_path, shell, l); |
2969 | strcpy(PL_sh_path + l, "/sh.exe"); |
ff68c719 |
2970 | for (i = 0; i < l; i++) { |
6b88bc9c |
2971 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
ff68c719 |
2972 | } |
3bbf9c2b |
2973 | } |
5c728af0 |
2974 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
dd96f567 |
2975 | MUTEX_INIT(&start_thread_mutex); |
5c728af0 |
2976 | #endif |
017f25f1 |
2977 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
5ba48348 |
2978 | /* Some DLLs reset FP flags on load. We may have been linked with them */ |
2979 | _control87(MCW_EM, MCW_EM); |
3bbf9c2b |
2980 | } |
2981 | |
55497cff |
2982 | #undef tmpnam |
2983 | #undef tmpfile |
2984 | |
2985 | char * |
2986 | my_tmpnam (char *str) |
2987 | { |
2988 | char *p = getenv("TMP"), *tpath; |
55497cff |
2989 | |
2990 | if (!p) p = getenv("TEMP"); |
2991 | tpath = tempnam(p, "pltmp"); |
2992 | if (str && tpath) { |
2993 | strcpy(str, tpath); |
2994 | return str; |
2995 | } |
2996 | return tpath; |
2997 | } |
2998 | |
2999 | FILE * |
3000 | my_tmpfile () |
3001 | { |
3002 | struct stat s; |
3003 | |
3004 | stat(".", &s); |
3005 | if (s.st_mode & S_IWOTH) { |
3006 | return tmpfile(); |
3007 | } |
3008 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
3009 | grants TMP. */ |
3010 | } |
367f3c24 |
3011 | |
5ba48348 |
3012 | #undef rmdir |
3013 | |
cd4e750a |
3014 | /* EMX flavors do not tolerate trailing slashes. t/op/mkdir.t has many |
3015 | trailing slashes, so we need to support this as well. */ |
3016 | |
5ba48348 |
3017 | int |
3018 | my_rmdir (__const__ char *s) |
3019 | { |
cd4e750a |
3020 | char b[MAXPATHLEN]; |
3021 | char *buf = b; |
5ba48348 |
3022 | STRLEN l = strlen(s); |
cd4e750a |
3023 | int rc; |
5ba48348 |
3024 | |
cd4e750a |
3025 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX mkdir fails... */ |
3026 | if (l >= sizeof b) |
3027 | New(1305, buf, l + 1, char); |
5ba48348 |
3028 | strcpy(buf,s); |
cd4e750a |
3029 | while (l > 1 && (s[l-1] == '/' || s[l-1] == '\\')) |
3030 | l--; |
3031 | buf[l] = 0; |
5ba48348 |
3032 | s = buf; |
3033 | } |
cd4e750a |
3034 | rc = rmdir(s); |
3035 | if (b != buf) |
3036 | Safefree(buf); |
3037 | return rc; |
5ba48348 |
3038 | } |
3039 | |
3040 | #undef mkdir |
3041 | |
3042 | int |
3043 | my_mkdir (__const__ char *s, long perm) |
3044 | { |
cd4e750a |
3045 | char b[MAXPATHLEN]; |
3046 | char *buf = b; |
5ba48348 |
3047 | STRLEN l = strlen(s); |
cd4e750a |
3048 | int rc; |
5ba48348 |
3049 | |
3050 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX mkdir fails... */ |
cd4e750a |
3051 | if (l >= sizeof b) |
3052 | New(1305, buf, l + 1, char); |
5ba48348 |
3053 | strcpy(buf,s); |
cd4e750a |
3054 | while (l > 1 && (s[l-1] == '/' || s[l-1] == '\\')) |
3055 | l--; |
3056 | buf[l] = 0; |
5ba48348 |
3057 | s = buf; |
3058 | } |
cd4e750a |
3059 | rc = mkdir(s, perm); |
3060 | if (b != buf) |
3061 | Safefree(buf); |
3062 | return rc; |
5ba48348 |
3063 | } |
3064 | |
367f3c24 |
3065 | #undef flock |
3066 | |
3067 | /* This code was contributed by Rocco Caputo. */ |
3068 | int |
dd96f567 |
3069 | my_flock(int handle, int o) |
367f3c24 |
3070 | { |
3071 | FILELOCK rNull, rFull; |
3072 | ULONG timeout, handle_type, flag_word; |
3073 | APIRET rc; |
3074 | int blocking, shared; |
3075 | static int use_my = -1; |
3076 | |
3077 | if (use_my == -1) { |
3078 | char *s = getenv("USE_PERL_FLOCK"); |
3079 | if (s) |
3080 | use_my = atoi(s); |
3081 | else |
3082 | use_my = 1; |
3083 | } |
3084 | if (!(_emx_env & 0x200) || !use_my) |
dd96f567 |
3085 | return flock(handle, o); /* Delegate to EMX. */ |
367f3c24 |
3086 | |
cb69f87a |
3087 | /* is this a file? */ |
367f3c24 |
3088 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
3089 | (handle_type & 0xFF)) |
3090 | { |
3091 | errno = EBADF; |
3092 | return -1; |
3093 | } |
cb69f87a |
3094 | /* set lock/unlock ranges */ |
367f3c24 |
3095 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
3096 | rFull.lRange = 0x7FFFFFFF; |
cb69f87a |
3097 | /* set timeout for blocking */ |
dd96f567 |
3098 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
cb69f87a |
3099 | /* shared or exclusive? */ |
dd96f567 |
3100 | shared = (o & LOCK_SH) ? 1 : 0; |
cb69f87a |
3101 | /* do not block the unlock */ |
dd96f567 |
3102 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
367f3c24 |
3103 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
3104 | switch (rc) { |
3105 | case 0: |
3106 | errno = 0; |
3107 | return 0; |
3108 | case ERROR_INVALID_HANDLE: |
3109 | errno = EBADF; |
3110 | return -1; |
3111 | case ERROR_SHARING_BUFFER_EXCEEDED: |
3112 | errno = ENOLCK; |
3113 | return -1; |
3114 | case ERROR_LOCK_VIOLATION: |
cb69f87a |
3115 | break; /* not an error */ |
367f3c24 |
3116 | case ERROR_INVALID_PARAMETER: |
3117 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
3118 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
3119 | errno = EINVAL; |
3120 | return -1; |
3121 | case ERROR_INTERRUPT: |
3122 | errno = EINTR; |
3123 | return -1; |
3124 | default: |
3125 | errno = EINVAL; |
3126 | return -1; |
3127 | } |
3128 | } |
cb69f87a |
3129 | /* lock may block */ |
dd96f567 |
3130 | if (o & (LOCK_SH | LOCK_EX)) { |
cb69f87a |
3131 | /* for blocking operations */ |
367f3c24 |
3132 | for (;;) { |
3133 | rc = |
3134 | DosSetFileLocks( |
3135 | handle, |
3136 | &rNull, |
3137 | &rFull, |
3138 | timeout, |
3139 | shared |
3140 | ); |
3141 | switch (rc) { |
3142 | case 0: |
3143 | errno = 0; |
3144 | return 0; |
3145 | case ERROR_INVALID_HANDLE: |
3146 | errno = EBADF; |
3147 | return -1; |
3148 | case ERROR_SHARING_BUFFER_EXCEEDED: |
3149 | errno = ENOLCK; |
3150 | return -1; |
3151 | case ERROR_LOCK_VIOLATION: |
3152 | if (!blocking) { |
3153 | errno = EWOULDBLOCK; |
3154 | return -1; |
3155 | } |
3156 | break; |
3157 | case ERROR_INVALID_PARAMETER: |
3158 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
3159 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
3160 | errno = EINVAL; |
3161 | return -1; |
3162 | case ERROR_INTERRUPT: |
3163 | errno = EINTR; |
3164 | return -1; |
3165 | default: |
3166 | errno = EINVAL; |
3167 | return -1; |
3168 | } |
cb69f87a |
3169 | /* give away timeslice */ |
367f3c24 |
3170 | DosSleep(1); |
3171 | } |
3172 | } |
3173 | |
3174 | errno = 0; |
3175 | return 0; |
3176 | } |
f72c975a |
3177 | |
3178 | static int pwent_cnt; |
3179 | static int _my_pwent = -1; |
3180 | |
3181 | static int |
3182 | use_my_pwent(void) |
3183 | { |
3184 | if (_my_pwent == -1) { |
3185 | char *s = getenv("USE_PERL_PWENT"); |
3186 | if (s) |
3187 | _my_pwent = atoi(s); |
3188 | else |
3189 | _my_pwent = 1; |
3190 | } |
3191 | return _my_pwent; |
3192 | } |
3193 | |
3194 | #undef setpwent |
3195 | #undef getpwent |
3196 | #undef endpwent |
3197 | |
3198 | void |
3199 | my_setpwent(void) |
3200 | { |
3201 | if (!use_my_pwent()) { |
3202 | setpwent(); /* Delegate to EMX. */ |
3203 | return; |
3204 | } |
3205 | pwent_cnt = 0; |
3206 | } |
3207 | |
3208 | void |
3209 | my_endpwent(void) |
3210 | { |
3211 | if (!use_my_pwent()) { |
3212 | endpwent(); /* Delegate to EMX. */ |
3213 | return; |
3214 | } |
3215 | } |
3216 | |
3217 | struct passwd * |
3218 | my_getpwent (void) |
3219 | { |
3220 | if (!use_my_pwent()) |
3221 | return getpwent(); /* Delegate to EMX. */ |
3222 | if (pwent_cnt++) |
cb69f87a |
3223 | return 0; /* Return one entry only */ |
f72c975a |
3224 | return getpwuid(0); |
3225 | } |
3226 | |
3227 | static int grent_cnt; |
3228 | |
3229 | void |
3230 | setgrent(void) |
3231 | { |
3232 | grent_cnt = 0; |
3233 | } |
3234 | |
3235 | void |
3236 | endgrent(void) |
3237 | { |
3238 | } |
3239 | |
3240 | struct group * |
3241 | getgrent (void) |
3242 | { |
3243 | if (grent_cnt++) |
cb69f87a |
3244 | return 0; /* Return one entry only */ |
f72c975a |
3245 | return getgrgid(0); |
3246 | } |
3247 | |
3248 | #undef getpwuid |
3249 | #undef getpwnam |
3250 | |
3251 | /* Too long to be a crypt() of anything, so it is not-a-valid pw_passwd. */ |
3252 | static const char pw_p[] = "Jf0Wb/BzMFvk7K7lrzK"; |
3253 | |
3254 | static struct passwd * |
3255 | passw_wrap(struct passwd *p) |
3256 | { |
3257 | static struct passwd pw; |
3258 | char *s; |
3259 | |
3260 | if (!p || (p->pw_passwd && *p->pw_passwd)) /* Not a dangerous password */ |
3261 | return p; |
3262 | pw = *p; |
3263 | s = getenv("PW_PASSWD"); |
3264 | if (!s) |
3265 | s = (char*)pw_p; /* Make match impossible */ |
3266 | |
3267 | pw.pw_passwd = s; |
3268 | return &pw; |
3269 | } |
3270 | |
3271 | struct passwd * |
3272 | my_getpwuid (uid_t id) |
3273 | { |
3274 | return passw_wrap(getpwuid(id)); |
3275 | } |
3276 | |
3277 | struct passwd * |
3278 | my_getpwnam (__const__ char *n) |
3279 | { |
3280 | return passw_wrap(getpwnam(n)); |
3281 | } |
a64c954a |
3282 | |
3283 | char * |
3284 | gcvt_os2 (double value, int digits, char *buffer) |
3285 | { |
3286 | return gcvt (value, digits, buffer); |
3287 | } |
5c728af0 |
3288 | |
3289 | #undef fork |
3290 | int fork_with_resources() |
3291 | { |
3292 | #if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) && !defined(USE_SLOW_THREAD_SPECIFIC) |
3293 | dTHX; |
3294 | void *ctx = PERL_GET_CONTEXT; |
3295 | #endif |
3296 | |
3297 | int rc = fork(); |
3298 | |
3299 | #if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) && !defined(USE_SLOW_THREAD_SPECIFIC) |
3300 | if (rc == 0) { /* child */ |
3301 | ALLOC_THREAD_KEY; /* Acquire the thread-local memory */ |
3302 | PERL_SET_CONTEXT(ctx); /* Reinit the thread-local memory */ |
3303 | } |
3304 | #endif |
3305 | return rc; |
3306 | } |