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" |
4633a7c4 |
12 | |
28743a51 |
13 | #include <sys/uflags.h> |
14 | |
4633a7c4 |
15 | /* |
16 | * Various Unix compatibility functions for OS/2 |
17 | */ |
18 | |
19 | #include <stdio.h> |
20 | #include <errno.h> |
21 | #include <limits.h> |
22 | #include <process.h> |
72ea3524 |
23 | #include <fcntl.h> |
f72c975a |
24 | #include <pwd.h> |
25 | #include <grp.h> |
4633a7c4 |
26 | |
a03d92b2 |
27 | #define PERLIO_NOT_STDIO 0 |
8e4bc33b |
28 | |
4633a7c4 |
29 | #include "EXTERN.h" |
30 | #include "perl.h" |
31 | |
dd96f567 |
32 | #ifdef USE_THREADS |
33 | |
34 | typedef void (*emx_startroutine)(void *); |
35 | typedef void* (*pthreads_startroutine)(void *); |
36 | |
37 | enum pthreads_state { |
38 | pthreads_st_none = 0, |
39 | pthreads_st_run, |
40 | pthreads_st_exited, |
41 | pthreads_st_detached, |
42 | pthreads_st_waited, |
43 | }; |
44 | const char *pthreads_states[] = { |
45 | "uninit", |
46 | "running", |
47 | "exited", |
48 | "detached", |
49 | "waited for", |
50 | }; |
51 | |
52 | typedef struct { |
53 | void *status; |
3aefca04 |
54 | perl_cond cond; |
dd96f567 |
55 | enum pthreads_state state; |
56 | } thread_join_t; |
57 | |
58 | thread_join_t *thread_join_data; |
59 | int thread_join_count; |
3aefca04 |
60 | perl_mutex start_thread_mutex; |
dd96f567 |
61 | |
62 | int |
3aefca04 |
63 | pthread_join(perl_os_thread tid, void **status) |
dd96f567 |
64 | { |
65 | MUTEX_LOCK(&start_thread_mutex); |
66 | switch (thread_join_data[tid].state) { |
67 | case pthreads_st_exited: |
68 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
69 | MUTEX_UNLOCK(&start_thread_mutex); |
70 | *status = thread_join_data[tid].status; |
71 | break; |
72 | case pthreads_st_waited: |
73 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
74 | Perl_croak_nocontext("join with a thread with a waiter"); |
dd96f567 |
75 | break; |
76 | case pthreads_st_run: |
77 | thread_join_data[tid].state = pthreads_st_waited; |
78 | COND_INIT(&thread_join_data[tid].cond); |
79 | MUTEX_UNLOCK(&start_thread_mutex); |
80 | COND_WAIT(&thread_join_data[tid].cond, NULL); |
81 | COND_DESTROY(&thread_join_data[tid].cond); |
82 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
83 | *status = thread_join_data[tid].status; |
84 | break; |
85 | default: |
86 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
87 | Perl_croak_nocontext("join: unknown thread state: '%s'", |
dd96f567 |
88 | pthreads_states[thread_join_data[tid].state]); |
89 | break; |
90 | } |
91 | return 0; |
92 | } |
93 | |
94 | void |
95 | pthread_startit(void *arg) |
96 | { |
97 | /* Thread is already started, we need to transfer control only */ |
98 | pthreads_startroutine start_routine = *((pthreads_startroutine*)arg); |
99 | int tid = pthread_self(); |
100 | void *retval; |
101 | |
102 | arg = ((void**)arg)[1]; |
103 | if (tid >= thread_join_count) { |
104 | int oc = thread_join_count; |
105 | |
106 | thread_join_count = tid + 5 + tid/5; |
107 | if (thread_join_data) { |
108 | Renew(thread_join_data, thread_join_count, thread_join_t); |
109 | Zero(thread_join_data + oc, thread_join_count - oc, thread_join_t); |
110 | } else { |
111 | Newz(1323, thread_join_data, thread_join_count, thread_join_t); |
112 | } |
113 | } |
114 | if (thread_join_data[tid].state != pthreads_st_none) |
23da6c43 |
115 | Perl_croak_nocontext("attempt to reuse thread id %i", tid); |
dd96f567 |
116 | thread_join_data[tid].state = pthreads_st_run; |
117 | /* Now that we copied/updated the guys, we may release the caller... */ |
118 | MUTEX_UNLOCK(&start_thread_mutex); |
119 | thread_join_data[tid].status = (*start_routine)(arg); |
120 | switch (thread_join_data[tid].state) { |
121 | case pthreads_st_waited: |
122 | COND_SIGNAL(&thread_join_data[tid].cond); |
123 | break; |
124 | default: |
125 | thread_join_data[tid].state = pthreads_st_exited; |
126 | break; |
127 | } |
128 | } |
129 | |
130 | int |
3aefca04 |
131 | pthread_create(perl_os_thread *tid, const pthread_attr_t *attr, |
dd96f567 |
132 | void *(*start_routine)(void*), void *arg) |
133 | { |
134 | void *args[2]; |
135 | |
136 | args[0] = (void*)start_routine; |
137 | args[1] = arg; |
138 | |
139 | MUTEX_LOCK(&start_thread_mutex); |
140 | *tid = _beginthread(pthread_startit, /*stack*/ NULL, |
141 | /*stacksize*/ 10*1024*1024, (void*)args); |
142 | MUTEX_LOCK(&start_thread_mutex); |
143 | MUTEX_UNLOCK(&start_thread_mutex); |
144 | return *tid ? 0 : EINVAL; |
145 | } |
146 | |
147 | int |
3aefca04 |
148 | pthread_detach(perl_os_thread tid) |
dd96f567 |
149 | { |
150 | MUTEX_LOCK(&start_thread_mutex); |
151 | switch (thread_join_data[tid].state) { |
152 | case pthreads_st_waited: |
153 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
154 | Perl_croak_nocontext("detach on a thread with a waiter"); |
dd96f567 |
155 | break; |
156 | case pthreads_st_run: |
157 | thread_join_data[tid].state = pthreads_st_detached; |
158 | MUTEX_UNLOCK(&start_thread_mutex); |
159 | break; |
160 | default: |
161 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
162 | Perl_croak_nocontext("detach: unknown thread state: '%s'", |
dd96f567 |
163 | pthreads_states[thread_join_data[tid].state]); |
164 | break; |
165 | } |
166 | return 0; |
167 | } |
168 | |
169 | /* This is a very bastardized version: */ |
170 | int |
3aefca04 |
171 | os2_cond_wait(perl_cond *c, perl_mutex *m) |
dd96f567 |
172 | { |
173 | int rc; |
2d8e6c8d |
174 | STRLEN n_a; |
175 | if ((rc = DosResetEventSem(*c,&n_a)) && (rc != ERROR_ALREADY_RESET)) |
23da6c43 |
176 | Perl_croak_nocontext("panic: COND_WAIT-reset: rc=%i", rc); |
dd96f567 |
177 | if (m) MUTEX_UNLOCK(m); |
91643db9 |
178 | if (CheckOSError(DosWaitEventSem(*c,SEM_INDEFINITE_WAIT)) |
179 | && (rc != ERROR_INTERRUPT)) |
23da6c43 |
180 | Perl_croak_nocontext("panic: COND_WAIT: rc=%i", rc); |
91643db9 |
181 | if (rc == ERROR_INTERRUPT) |
182 | errno = EINTR; |
dd96f567 |
183 | if (m) MUTEX_LOCK(m); |
184 | } |
185 | #endif |
186 | |
764df951 |
187 | static int exe_is_aout(void); |
188 | |
4633a7c4 |
189 | /*****************************************************************************/ |
72ea3524 |
190 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
35bc1fdc |
191 | #define C_ARR_LEN(sym) (sizeof(sym)/sizeof(*sym)) |
192 | |
193 | struct dll_handle { |
194 | const char *modname; |
195 | HMODULE handle; |
196 | }; |
197 | static struct dll_handle doscalls_handle = {"doscalls", 0}; |
198 | static struct dll_handle tcp_handle = {"tcp32dll", 0}; |
199 | static struct dll_handle pmwin_handle = {"pmwin", 0}; |
200 | static struct dll_handle rexx_handle = {"rexx", 0}; |
201 | static struct dll_handle rexxapi_handle = {"rexxapi", 0}; |
202 | static struct dll_handle sesmgr_handle = {"sesmgr", 0}; |
203 | static struct dll_handle pmshapi_handle = {"pmshapi", 0}; |
204 | |
205 | /* This should match enum entries_ordinals defined in os2ish.h. */ |
206 | static const struct { |
207 | struct dll_handle *dll; |
208 | const char *entryname; |
209 | int entrypoint; |
210 | } loadOrdinals[ORD_NENTRIES] = { |
211 | {&doscalls_handle, NULL, 874}, /* DosQueryExtLibpath */ |
212 | {&doscalls_handle, NULL, 873}, /* DosSetExtLibpath */ |
213 | {&doscalls_handle, NULL, 460}, /* DosVerifyPidTid */ |
214 | {&tcp_handle, "SETHOSTENT", 0}, |
215 | {&tcp_handle, "SETNETENT" , 0}, |
216 | {&tcp_handle, "SETPROTOENT", 0}, |
217 | {&tcp_handle, "SETSERVENT", 0}, |
218 | {&tcp_handle, "GETHOSTENT", 0}, |
219 | {&tcp_handle, "GETNETENT" , 0}, |
220 | {&tcp_handle, "GETPROTOENT", 0}, |
221 | {&tcp_handle, "GETSERVENT", 0}, |
222 | {&tcp_handle, "ENDHOSTENT", 0}, |
223 | {&tcp_handle, "ENDNETENT", 0}, |
224 | {&tcp_handle, "ENDPROTOENT", 0}, |
225 | {&tcp_handle, "ENDSERVENT", 0}, |
226 | {&pmwin_handle, NULL, 763}, /* WinInitialize */ |
227 | {&pmwin_handle, NULL, 716}, /* WinCreateMsgQueue */ |
228 | {&pmwin_handle, NULL, 726}, /* WinDestroyMsgQueue */ |
229 | {&pmwin_handle, NULL, 918}, /* WinPeekMsg */ |
230 | {&pmwin_handle, NULL, 915}, /* WinGetMsg */ |
231 | {&pmwin_handle, NULL, 912}, /* WinDispatchMsg */ |
232 | {&pmwin_handle, NULL, 753}, /* WinGetLastError */ |
233 | {&pmwin_handle, NULL, 705}, /* WinCancelShutdown */ |
234 | /* These are needed in extensions. |
235 | How to protect PMSHAPI: it comes through EMX functions? */ |
236 | {&rexx_handle, "RexxStart", 0}, |
237 | {&rexx_handle, "RexxVariablePool", 0}, |
238 | {&rexxapi_handle, "RexxRegisterFunctionExe", 0}, |
239 | {&rexxapi_handle, "RexxDeregisterFunction", 0}, |
240 | {&sesmgr_handle, "DOSSMSETTITLE", 0}, /* Would not work runtime-loaded */ |
241 | {&pmshapi_handle, "PRF32QUERYPROFILESIZE", 0}, |
242 | {&pmshapi_handle, "PRF32OPENPROFILE", 0}, |
243 | {&pmshapi_handle, "PRF32CLOSEPROFILE", 0}, |
244 | {&pmshapi_handle, "PRF32QUERYPROFILE", 0}, |
245 | {&pmshapi_handle, "PRF32RESET", 0}, |
246 | {&pmshapi_handle, "PRF32QUERYPROFILEDATA", 0}, |
247 | {&pmshapi_handle, "PRF32WRITEPROFILEDATA", 0}, |
248 | |
249 | /* At least some of these do not work by name, since they need |
250 | WIN32 instead of WIN... */ |
251 | #if 0 |
252 | These were generated with |
253 | nm I:\emx\lib\os2.a | fgrep -f API-list | grep = > API-list-entries |
254 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( ORD_$1,)" API-list-entries > API-list-ORD_ |
255 | perl -wnle "next unless /^0+\s+E\s+_(\w+)=(\w+).(\d+)/; print qq( {${2}_handle, NULL, $3},\t\t/* $1 */)" WinSwitch-API-list-entries >API-list-entry |
256 | #endif |
257 | {&pmshapi_handle, NULL, 123}, /* WinChangeSwitchEntry */ |
258 | {&pmshapi_handle, NULL, 124}, /* WinQuerySwitchEntry */ |
259 | {&pmshapi_handle, NULL, 125}, /* WinQuerySwitchHandle */ |
260 | {&pmshapi_handle, NULL, 126}, /* WinQuerySwitchList */ |
261 | {&pmshapi_handle, NULL, 131}, /* WinSwitchToProgram */ |
262 | {&pmwin_handle, NULL, 702}, /* WinBeginEnumWindows */ |
263 | {&pmwin_handle, NULL, 737}, /* WinEndEnumWindows */ |
264 | {&pmwin_handle, NULL, 740}, /* WinEnumDlgItem */ |
265 | {&pmwin_handle, NULL, 756}, /* WinGetNextWindow */ |
266 | {&pmwin_handle, NULL, 768}, /* WinIsChild */ |
267 | {&pmwin_handle, NULL, 799}, /* WinQueryActiveWindow */ |
268 | {&pmwin_handle, NULL, 805}, /* WinQueryClassName */ |
269 | {&pmwin_handle, NULL, 817}, /* WinQueryFocus */ |
270 | {&pmwin_handle, NULL, 834}, /* WinQueryWindow */ |
271 | {&pmwin_handle, NULL, 837}, /* WinQueryWindowPos */ |
272 | {&pmwin_handle, NULL, 838}, /* WinQueryWindowProcess */ |
273 | {&pmwin_handle, NULL, 841}, /* WinQueryWindowText */ |
274 | {&pmwin_handle, NULL, 842}, /* WinQueryWindowTextLength */ |
275 | {&pmwin_handle, NULL, 860}, /* WinSetFocus */ |
276 | {&pmwin_handle, NULL, 875}, /* WinSetWindowPos */ |
277 | {&pmwin_handle, NULL, 877}, /* WinSetWindowText */ |
278 | {&pmwin_handle, NULL, 883}, /* WinShowWindow */ |
279 | {&pmwin_handle, NULL, 872}, /* WinIsWindow */ |
280 | {&pmwin_handle, NULL, 899}, /* WinWindowFromId */ |
281 | {&pmwin_handle, NULL, 900}, /* WinWindowFromPoint */ |
282 | {&pmwin_handle, NULL, 919}, /* WinPostMsg */ |
283 | }; |
284 | |
285 | static PFN ExtFCN[C_ARR_LEN(loadOrdinals)]; /* Labeled by ord ORD_*. */ |
286 | const Perl_PFN * const pExtFCN = ExtFCN; |
4bfbfac5 |
287 | struct PMWIN_entries_t PMWIN_entries; |
72ea3524 |
288 | |
5ba48348 |
289 | HMODULE |
35bc1fdc |
290 | loadModule(const char *modname, int fail) |
5ba48348 |
291 | { |
292 | HMODULE h = (HMODULE)dlopen(modname, 0); |
35bc1fdc |
293 | |
294 | if (!h && fail) |
5ba48348 |
295 | Perl_croak_nocontext("Error loading module '%s': %s", |
296 | modname, dlerror()); |
297 | return h; |
298 | } |
299 | |
35bc1fdc |
300 | PFN |
301 | loadByOrdinal(enum entries_ordinals ord, int fail) |
72ea3524 |
302 | { |
303 | if (ExtFCN[ord] == NULL) { |
e71dd89f |
304 | PFN fcn = (PFN)-1; |
72ea3524 |
305 | APIRET rc; |
306 | |
35bc1fdc |
307 | if (!loadOrdinals[ord].dll->handle) |
308 | loadOrdinals[ord].dll->handle |
309 | = loadModule(loadOrdinals[ord].dll->modname, fail); |
310 | if (!loadOrdinals[ord].dll->handle) |
311 | return 0; /* Possible with FAIL==0 only */ |
312 | if (CheckOSError(DosQueryProcAddr(loadOrdinals[ord].dll->handle, |
313 | loadOrdinals[ord].entrypoint, |
314 | loadOrdinals[ord].entryname,&fcn))) { |
315 | char buf[20], *s = (char*)loadOrdinals[ord].entryname; |
316 | |
317 | if (!fail) |
318 | return 0; |
319 | if (!s) |
320 | sprintf(s = buf, "%d", loadOrdinals[ord].entrypoint); |
e71dd89f |
321 | Perl_croak_nocontext( |
35bc1fdc |
322 | "This version of OS/2 does not support %s.%s", |
323 | loadOrdinals[ord].dll->modname, s); |
324 | } |
72ea3524 |
325 | ExtFCN[ord] = fcn; |
326 | } |
35bc1fdc |
327 | if ((long)ExtFCN[ord] == -1) |
23da6c43 |
328 | Perl_croak_nocontext("panic queryaddr"); |
35bc1fdc |
329 | return ExtFCN[ord]; |
72ea3524 |
330 | } |
331 | |
4bfbfac5 |
332 | void |
333 | init_PMWIN_entries(void) |
334 | { |
35bc1fdc |
335 | int i; |
336 | |
337 | for (i = ORD_WinInitialize; i <= ORD_WinCancelShutdown; i++) |
338 | ((PFN*)&PMWIN_entries)[i - ORD_WinInitialize] = loadByOrdinal(i, 1); |
4bfbfac5 |
339 | } |
340 | |
35bc1fdc |
341 | /*****************************************************/ |
342 | /* socket forwarders without linking with tcpip DLLs */ |
343 | |
344 | DeclFuncByORD(struct hostent *, gethostent, ORD_GETHOSTENT, (void), ()) |
345 | DeclFuncByORD(struct netent *, getnetent, ORD_GETNETENT, (void), ()) |
346 | DeclFuncByORD(struct protoent *, getprotoent, ORD_GETPROTOENT, (void), ()) |
347 | DeclFuncByORD(struct servent *, getservent, ORD_GETSERVENT, (void), ()) |
348 | |
349 | DeclVoidFuncByORD(sethostent, ORD_SETHOSTENT, (int x), (x)) |
350 | DeclVoidFuncByORD(setnetent, ORD_SETNETENT, (int x), (x)) |
351 | DeclVoidFuncByORD(setprotoent, ORD_SETPROTOENT, (int x), (x)) |
352 | DeclVoidFuncByORD(setservent, ORD_SETSERVENT, (int x), (x)) |
353 | |
354 | DeclVoidFuncByORD(endhostent, ORD_ENDHOSTENT, (void), ()) |
355 | DeclVoidFuncByORD(endnetent, ORD_ENDNETENT, (void), ()) |
356 | DeclVoidFuncByORD(endprotoent, ORD_ENDPROTOENT, (void), ()) |
357 | DeclVoidFuncByORD(endservent, ORD_ENDSERVENT, (void), ()) |
4bfbfac5 |
358 | |
4633a7c4 |
359 | /* priorities */ |
6f064249 |
360 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
361 | self inverse. */ |
362 | #define QSS_INI_BUFFER 1024 |
4633a7c4 |
363 | |
35bc1fdc |
364 | ULONG (*pDosVerifyPidTid) (PID pid, TID tid); |
365 | static int pidtid_lookup; |
366 | |
6f064249 |
367 | PQTOPLEVEL |
368 | get_sysinfo(ULONG pid, ULONG flags) |
4633a7c4 |
369 | { |
6f064249 |
370 | char *pbuffer; |
371 | ULONG rc, buf_len = QSS_INI_BUFFER; |
35bc1fdc |
372 | PQTOPLEVEL psi; |
6f064249 |
373 | |
35bc1fdc |
374 | if (!pidtid_lookup) { |
375 | pidtid_lookup = 1; |
376 | *(PFN*)&pDosVerifyPidTid = loadByOrdinal(ORD_DosVerifyPidTid, 0); |
377 | } |
378 | if (pDosVerifyPidTid) { /* Warp3 or later */ |
379 | /* Up to some fixpak QuerySysState() kills the system if a non-existent |
380 | pid is used. */ |
381 | if (!pDosVerifyPidTid(pid, 1)) |
382 | return 0; |
383 | } |
fc36a67e |
384 | New(1322, pbuffer, buf_len, char); |
6f064249 |
385 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
386 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
387 | while (rc == ERROR_BUFFER_OVERFLOW) { |
388 | Renew(pbuffer, buf_len *= 2, char); |
df3ef7a9 |
389 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
6f064249 |
390 | } |
391 | if (rc) { |
392 | FillOSError(rc); |
393 | Safefree(pbuffer); |
394 | return 0; |
395 | } |
35bc1fdc |
396 | psi = (PQTOPLEVEL)pbuffer; |
397 | if (psi && pid && pid != psi->procdata->pid) { |
398 | Safefree(psi); |
399 | Perl_croak_nocontext("panic: wrong pid in sysinfo"); |
400 | } |
401 | return psi; |
6f064249 |
402 | } |
403 | |
404 | #define PRIO_ERR 0x1111 |
405 | |
406 | static ULONG |
407 | sys_prio(pid) |
408 | { |
409 | ULONG prio; |
410 | PQTOPLEVEL psi; |
411 | |
35bc1fdc |
412 | if (!pid) |
413 | return PRIO_ERR; |
6f064249 |
414 | psi = get_sysinfo(pid, QSS_PROCESS); |
35bc1fdc |
415 | if (!psi) |
6f064249 |
416 | return PRIO_ERR; |
6f064249 |
417 | prio = psi->procdata->threads->priority; |
418 | Safefree(psi); |
419 | return prio; |
420 | } |
421 | |
422 | int |
423 | setpriority(int which, int pid, int val) |
424 | { |
2d766320 |
425 | ULONG rc, prio = sys_prio(pid); |
6f064249 |
426 | |
55497cff |
427 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
428 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
429 | /* Do not change class. */ |
430 | return CheckOSError(DosSetPriority((pid < 0) |
431 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
432 | 0, |
433 | (32 - val) % 32 - (prio & 0xFF), |
434 | abs(pid))) |
435 | ? -1 : 0; |
436 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
437 | /* Documentation claims one can change both class and basevalue, |
438 | * but I find it wrong. */ |
439 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
440 | if (CheckOSError(DosSetPriority((pid < 0) |
441 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
442 | priors[(32 - val) >> 5] + 1, |
443 | 0, |
444 | abs(pid)))) |
445 | return -1; |
446 | if ( ((32 - val) % 32) == 0 ) return 0; |
447 | return CheckOSError(DosSetPriority((pid < 0) |
448 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
449 | 0, |
450 | (32 - val) % 32, |
451 | abs(pid))) |
452 | ? -1 : 0; |
453 | } |
4633a7c4 |
454 | } |
455 | |
6f064249 |
456 | int |
457 | getpriority(int which /* ignored */, int pid) |
4633a7c4 |
458 | { |
2d766320 |
459 | ULONG ret; |
6f064249 |
460 | |
55497cff |
461 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
462 | ret = sys_prio(pid); |
463 | if (ret == PRIO_ERR) { |
464 | return -1; |
465 | } |
6f064249 |
466 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
4633a7c4 |
467 | } |
468 | |
469 | /*****************************************************************************/ |
470 | /* spawn */ |
2c2e0e8c |
471 | |
764df951 |
472 | int emx_runtime_init; /* If 1, we need to manually init it */ |
473 | int emx_exception_init; /* If 1, we need to manually set it */ |
474 | |
2c2e0e8c |
475 | /* There is no big sense to make it thread-specific, since signals |
476 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
477 | static int spawn_pid; |
478 | static int spawn_killed; |
479 | |
480 | static Signal_t |
481 | spawn_sighandler(int sig) |
482 | { |
483 | /* Some programs do not arrange for the keyboard signals to be |
484 | delivered to them. We need to deliver the signal manually. */ |
485 | /* We may get a signal only if |
486 | a) kid does not receive keyboard signal: deliver it; |
487 | b) kid already died, and we get a signal. We may only hope |
488 | that the pid number was not reused. |
489 | */ |
490 | |
491 | if (spawn_killed) |
492 | sig = SIGKILL; /* Try harder. */ |
493 | kill(spawn_pid, sig); |
494 | spawn_killed = 1; |
495 | } |
72ea3524 |
496 | |
4633a7c4 |
497 | static int |
23da6c43 |
498 | result(pTHX_ int flag, int pid) |
4633a7c4 |
499 | { |
500 | int r, status; |
501 | Signal_t (*ihand)(); /* place to save signal during system() */ |
502 | Signal_t (*qhand)(); /* place to save signal during system() */ |
760ac839 |
503 | #ifndef __EMX__ |
504 | RESULTCODES res; |
505 | int rpid; |
506 | #endif |
4633a7c4 |
507 | |
760ac839 |
508 | if (pid < 0 || flag != 0) |
4633a7c4 |
509 | return pid; |
510 | |
760ac839 |
511 | #ifdef __EMX__ |
2c2e0e8c |
512 | spawn_pid = pid; |
513 | spawn_killed = 0; |
514 | ihand = rsignal(SIGINT, &spawn_sighandler); |
515 | qhand = rsignal(SIGQUIT, &spawn_sighandler); |
c0c09dfd |
516 | do { |
517 | r = wait4pid(pid, &status, 0); |
518 | } while (r == -1 && errno == EINTR); |
72ea3524 |
519 | rsignal(SIGINT, ihand); |
520 | rsignal(SIGQUIT, qhand); |
4633a7c4 |
521 | |
6b88bc9c |
522 | PL_statusvalue = (U16)status; |
4633a7c4 |
523 | if (r < 0) |
524 | return -1; |
525 | return status & 0xFFFF; |
760ac839 |
526 | #else |
72ea3524 |
527 | ihand = rsignal(SIGINT, SIG_IGN); |
760ac839 |
528 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
72ea3524 |
529 | rsignal(SIGINT, ihand); |
6b88bc9c |
530 | PL_statusvalue = res.codeResult << 8 | res.codeTerminate; |
760ac839 |
531 | if (r) |
532 | return -1; |
6b88bc9c |
533 | return PL_statusvalue; |
760ac839 |
534 | #endif |
4633a7c4 |
535 | } |
536 | |
764df951 |
537 | enum execf_t { |
538 | EXECF_SPAWN, |
539 | EXECF_EXEC, |
540 | EXECF_TRUEEXEC, |
541 | EXECF_SPAWN_NOWAIT, |
542 | EXECF_SPAWN_BYFLAG, |
543 | EXECF_SYNC |
544 | }; |
491527d0 |
545 | |
017f25f1 |
546 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
547 | |
548 | static int |
549 | my_type() |
550 | { |
551 | int rc; |
552 | TIB *tib; |
553 | PIB *pib; |
554 | |
555 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
556 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
557 | return -1; |
558 | |
559 | return (pib->pib_ultype); |
560 | } |
561 | |
562 | static ULONG |
563 | file_type(char *path) |
564 | { |
565 | int rc; |
566 | ULONG apptype; |
567 | |
568 | if (!(_emx_env & 0x200)) |
23da6c43 |
569 | Perl_croak_nocontext("file_type not implemented on DOS"); /* not OS/2. */ |
017f25f1 |
570 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
571 | switch (rc) { |
572 | case ERROR_FILE_NOT_FOUND: |
573 | case ERROR_PATH_NOT_FOUND: |
574 | return -1; |
575 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
576 | return -3; |
577 | default: /* Found, but not an |
578 | executable, or some other |
579 | read error. */ |
580 | return -2; |
581 | } |
582 | } |
583 | return apptype; |
584 | } |
585 | |
586 | static ULONG os2_mytype; |
587 | |
491527d0 |
588 | /* Spawn/exec a program, revert to shell if needed. */ |
6b88bc9c |
589 | /* global PL_Argv[] contains arguments. */ |
491527d0 |
590 | |
764df951 |
591 | extern ULONG _emx_exception ( EXCEPTIONREPORTRECORD *, |
592 | EXCEPTIONREGISTRATIONRECORD *, |
593 | CONTEXTRECORD *, |
594 | void *); |
595 | |
4633a7c4 |
596 | int |
23da6c43 |
597 | do_spawn_ve(pTHX_ SV *really, U32 flag, U32 execf, char *inicmd, U32 addflag) |
4633a7c4 |
598 | { |
491527d0 |
599 | int trueflag = flag; |
a97be121 |
600 | int rc, pass = 1; |
491527d0 |
601 | char *tmps; |
491527d0 |
602 | char *args[4]; |
603 | static char * fargs[4] |
604 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
605 | char **argsp = fargs; |
2d766320 |
606 | int nargs = 4; |
017f25f1 |
607 | int force_shell; |
65850d11 |
608 | int new_stderr = -1, nostderr = 0; |
2d766320 |
609 | int fl_stderr = 0; |
2d8e6c8d |
610 | STRLEN n_a; |
1c46958a |
611 | char *buf; |
612 | PerlIO *file; |
491527d0 |
613 | |
4633a7c4 |
614 | if (flag == P_WAIT) |
615 | flag = P_NOWAIT; |
616 | |
491527d0 |
617 | retry: |
6b88bc9c |
618 | if (strEQ(PL_Argv[0],"/bin/sh")) |
619 | PL_Argv[0] = PL_sh_path; |
3bbf9c2b |
620 | |
6b88bc9c |
621 | if (PL_Argv[0][0] != '/' && PL_Argv[0][0] != '\\' |
622 | && !(PL_Argv[0][0] && PL_Argv[0][1] == ':' |
623 | && (PL_Argv[0][2] == '/' || PL_Argv[0][2] != '\\')) |
2c2e0e8c |
624 | ) /* will spawnvp use PATH? */ |
c0c09dfd |
625 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
760ac839 |
626 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
2d8e6c8d |
627 | if (!really || !*(tmps = SvPV(really, n_a))) |
6b88bc9c |
628 | tmps = PL_Argv[0]; |
017f25f1 |
629 | |
630 | reread: |
631 | force_shell = 0; |
632 | if (_emx_env & 0x200) { /* OS/2. */ |
633 | int type = file_type(tmps); |
634 | type_again: |
635 | if (type == -1) { /* Not found */ |
636 | errno = ENOENT; |
637 | rc = -1; |
638 | goto do_script; |
639 | } |
640 | else if (type == -2) { /* Not an EXE */ |
641 | errno = ENOEXEC; |
642 | rc = -1; |
643 | goto do_script; |
644 | } |
645 | else if (type == -3) { /* Is a directory? */ |
646 | /* Special-case this */ |
647 | char tbuf[512]; |
648 | int l = strlen(tmps); |
649 | |
650 | if (l + 5 <= sizeof tbuf) { |
651 | strcpy(tbuf, tmps); |
652 | strcpy(tbuf + l, ".exe"); |
653 | type = file_type(tbuf); |
654 | if (type >= -3) |
655 | goto type_again; |
656 | } |
657 | |
658 | errno = ENOEXEC; |
659 | rc = -1; |
660 | goto do_script; |
661 | } |
662 | switch (type & 7) { |
663 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
664 | case FAPPTYP_WINDOWAPI: |
665 | { |
666 | if (os2_mytype != 3) { /* not PM */ |
667 | if (flag == P_NOWAIT) |
668 | flag = P_PM; |
669 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION) |
23da6c43 |
670 | Perl_warner(aTHX_ WARN_EXEC, "Starting PM process with flag=%d, mytype=%d", |
017f25f1 |
671 | flag, os2_mytype); |
672 | } |
673 | } |
674 | break; |
675 | case FAPPTYP_NOTWINDOWCOMPAT: |
676 | { |
677 | if (os2_mytype != 0) { /* not full screen */ |
678 | if (flag == P_NOWAIT) |
679 | flag = P_SESSION; |
680 | else if ((flag & 7) != P_SESSION) |
23da6c43 |
681 | Perl_warner(aTHX_ WARN_EXEC, "Starting Full Screen process with flag=%d, mytype=%d", |
017f25f1 |
682 | flag, os2_mytype); |
683 | } |
684 | } |
685 | break; |
686 | case FAPPTYP_NOTSPEC: |
687 | /* Let the shell handle this... */ |
688 | force_shell = 1; |
1c46958a |
689 | buf = ""; /* Pacify a warning */ |
690 | file = 0; /* Pacify a warning */ |
017f25f1 |
691 | goto doshell_args; |
692 | break; |
693 | } |
694 | } |
695 | |
5838269b |
696 | if (addflag) { |
697 | addflag = 0; |
698 | new_stderr = dup(2); /* Preserve stderr */ |
699 | if (new_stderr == -1) { |
700 | if (errno == EBADF) |
701 | nostderr = 1; |
702 | else { |
703 | rc = -1; |
704 | goto finish; |
705 | } |
706 | } else |
707 | fl_stderr = fcntl(2, F_GETFD); |
708 | rc = dup2(1,2); |
709 | if (rc == -1) |
710 | goto finish; |
711 | fcntl(new_stderr, F_SETFD, FD_CLOEXEC); |
712 | } |
713 | |
491527d0 |
714 | #if 0 |
23da6c43 |
715 | rc = result(aTHX_ trueflag, spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
716 | #else |
717 | if (execf == EXECF_TRUEEXEC) |
6b88bc9c |
718 | rc = execvp(tmps,PL_Argv); |
491527d0 |
719 | else if (execf == EXECF_EXEC) |
6b88bc9c |
720 | rc = spawnvp(trueflag | P_OVERLAY,tmps,PL_Argv); |
491527d0 |
721 | else if (execf == EXECF_SPAWN_NOWAIT) |
017f25f1 |
722 | rc = spawnvp(flag,tmps,PL_Argv); |
764df951 |
723 | else if (execf == EXECF_SYNC) |
724 | rc = spawnvp(trueflag,tmps,PL_Argv); |
4435c477 |
725 | else /* EXECF_SPAWN, EXECF_SPAWN_BYFLAG */ |
23da6c43 |
726 | rc = result(aTHX_ trueflag, |
017f25f1 |
727 | spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
728 | #endif |
2c2e0e8c |
729 | if (rc < 0 && pass == 1 |
6b88bc9c |
730 | && (tmps == PL_Argv[0])) { /* Cannot transfer `really' via shell. */ |
017f25f1 |
731 | do_script: |
732 | { |
a97be121 |
733 | int err = errno; |
734 | |
2c2e0e8c |
735 | if (err == ENOENT || err == ENOEXEC) { |
736 | /* No such file, or is a script. */ |
737 | /* Try adding script extensions to the file name, and |
738 | search on PATH. */ |
6b88bc9c |
739 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
2c2e0e8c |
740 | |
741 | if (scr) { |
1c46958a |
742 | char *s = 0, *s1; |
743 | SV *scrsv = sv_2mortal(newSVpv(scr, 0)); |
744 | SV *bufsv = sv_newmortal(); |
2c2e0e8c |
745 | |
e96326af |
746 | Safefree(scr); |
1c46958a |
747 | scr = SvPV(scrsv, n_a); /* free()ed later */ |
e96326af |
748 | |
a03d92b2 |
749 | file = PerlIO_open(scr, "r"); |
6b88bc9c |
750 | PL_Argv[0] = scr; |
2c2e0e8c |
751 | if (!file) |
752 | goto panic_file; |
017f25f1 |
753 | |
1c46958a |
754 | buf = sv_gets(bufsv, file, 0 /* No append */); |
755 | if (!buf) |
756 | buf = ""; /* XXX Needed? */ |
757 | if (!buf[0]) { /* Empty... */ |
a03d92b2 |
758 | PerlIO_close(file); |
017f25f1 |
759 | /* Special case: maybe from -Zexe build, so |
760 | there is an executable around (contrary to |
761 | documentation, DosQueryAppType sometimes (?) |
762 | does not append ".exe", so we could have |
763 | reached this place). */ |
1c46958a |
764 | sv_catpv(scrsv, ".exe"); |
765 | scr = SvPV(scrsv, n_a); /* Reload */ |
766 | if (PerlLIO_stat(scr,&PL_statbuf) >= 0 |
767 | && !S_ISDIR(PL_statbuf.st_mode)) { /* Found */ |
017f25f1 |
768 | tmps = scr; |
769 | pass++; |
770 | goto reread; |
1c46958a |
771 | } else { /* Restore */ |
772 | SvCUR_set(scrsv, SvCUR(scrsv) - 4); |
773 | *SvEND(scrsv) = 0; |
774 | } |
2c2e0e8c |
775 | } |
a03d92b2 |
776 | if (PerlIO_close(file) != 0) { /* Failure */ |
2c2e0e8c |
777 | panic_file: |
23da6c43 |
778 | Perl_warner(aTHX_ WARN_EXEC, "Error reading \"%s\": %s", |
2c2e0e8c |
779 | scr, Strerror(errno)); |
1c46958a |
780 | buf = ""; /* Not #! */ |
2c2e0e8c |
781 | goto doshell_args; |
782 | } |
783 | if (buf[0] == '#') { |
784 | if (buf[1] == '!') |
785 | s = buf + 2; |
786 | } else if (buf[0] == 'e') { |
787 | if (strnEQ(buf, "extproc", 7) |
788 | && isSPACE(buf[7])) |
789 | s = buf + 8; |
790 | } else if (buf[0] == 'E') { |
791 | if (strnEQ(buf, "EXTPROC", 7) |
792 | && isSPACE(buf[7])) |
793 | s = buf + 8; |
794 | } |
795 | if (!s) { |
1c46958a |
796 | buf = ""; /* Not #! */ |
2c2e0e8c |
797 | goto doshell_args; |
798 | } |
799 | |
800 | s1 = s; |
801 | nargs = 0; |
802 | argsp = args; |
803 | while (1) { |
804 | /* Do better than pdksh: allow a few args, |
805 | strip trailing whitespace. */ |
806 | while (isSPACE(*s)) |
807 | s++; |
808 | if (*s == 0) |
809 | break; |
810 | if (nargs == 4) { |
811 | nargs = -1; |
812 | break; |
813 | } |
814 | args[nargs++] = s; |
815 | while (*s && !isSPACE(*s)) |
816 | s++; |
817 | if (*s == 0) |
818 | break; |
819 | *s++ = 0; |
820 | } |
821 | if (nargs == -1) { |
23da6c43 |
822 | Perl_warner(aTHX_ WARN_EXEC, "Too many args on %.*s line of \"%s\"", |
2c2e0e8c |
823 | s1 - buf, buf, scr); |
824 | nargs = 4; |
825 | argsp = fargs; |
826 | } |
1c46958a |
827 | /* Can jump from far, buf/file invalid if force_shell: */ |
2c2e0e8c |
828 | doshell_args: |
829 | { |
6b88bc9c |
830 | char **a = PL_Argv; |
2c2e0e8c |
831 | char *exec_args[2]; |
832 | |
017f25f1 |
833 | if (force_shell |
834 | || (!buf[0] && file)) { /* File without magic */ |
2c2e0e8c |
835 | /* In fact we tried all what pdksh would |
836 | try. There is no point in calling |
837 | pdksh, we may just emulate its logic. */ |
838 | char *shell = getenv("EXECSHELL"); |
839 | char *shell_opt = NULL; |
840 | |
841 | if (!shell) { |
842 | char *s; |
843 | |
844 | shell_opt = "/c"; |
845 | shell = getenv("OS2_SHELL"); |
846 | if (inicmd) { /* No spaces at start! */ |
847 | s = inicmd; |
848 | while (*s && !isSPACE(*s)) { |
2d766320 |
849 | if (*s++ == '/') { |
2c2e0e8c |
850 | inicmd = NULL; /* Cannot use */ |
851 | break; |
852 | } |
853 | } |
854 | } |
855 | if (!inicmd) { |
6b88bc9c |
856 | s = PL_Argv[0]; |
2c2e0e8c |
857 | while (*s) { |
858 | /* Dosish shells will choke on slashes |
859 | in paths, fortunately, this is |
860 | important for zeroth arg only. */ |
861 | if (*s == '/') |
862 | *s = '\\'; |
863 | s++; |
864 | } |
491527d0 |
865 | } |
491527d0 |
866 | } |
2c2e0e8c |
867 | /* If EXECSHELL is set, we do not set */ |
868 | |
869 | if (!shell) |
870 | shell = ((_emx_env & 0x200) |
871 | ? "c:/os2/cmd.exe" |
872 | : "c:/command.com"); |
873 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
874 | exec_args[0] = shell; |
875 | exec_args[1] = shell_opt; |
876 | argsp = exec_args; |
877 | if (nargs == 2 && inicmd) { |
878 | /* Use the original cmd line */ |
879 | /* XXXX This is good only until we refuse |
880 | quoted arguments... */ |
6b88bc9c |
881 | PL_Argv[0] = inicmd; |
882 | PL_Argv[1] = Nullch; |
491527d0 |
883 | } |
2c2e0e8c |
884 | } else if (!buf[0] && inicmd) { /* No file */ |
885 | /* Start with the original cmdline. */ |
886 | /* XXXX This is good only until we refuse |
887 | quoted arguments... */ |
888 | |
6b88bc9c |
889 | PL_Argv[0] = inicmd; |
890 | PL_Argv[1] = Nullch; |
2c2e0e8c |
891 | nargs = 2; /* shell -c */ |
892 | } |
893 | |
894 | while (a[1]) /* Get to the end */ |
895 | a++; |
896 | a++; /* Copy finil NULL too */ |
6b88bc9c |
897 | while (a >= PL_Argv) { |
898 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
2c2e0e8c |
899 | long enough. */ |
900 | a--; |
491527d0 |
901 | } |
d5d69632 |
902 | while (--nargs >= 0) |
6b88bc9c |
903 | PL_Argv[nargs] = argsp[nargs]; |
2c2e0e8c |
904 | /* Enable pathless exec if #! (as pdksh). */ |
905 | pass = (buf[0] == '#' ? 2 : 3); |
906 | goto retry; |
e29f6e02 |
907 | } |
908 | } |
2c2e0e8c |
909 | /* Not found: restore errno */ |
491527d0 |
910 | errno = err; |
2c2e0e8c |
911 | } |
017f25f1 |
912 | } |
a97be121 |
913 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
6b88bc9c |
914 | char *no_dir = strrchr(PL_Argv[0], '/'); |
2c2e0e8c |
915 | |
916 | /* Do as pdksh port does: if not found with /, try without |
917 | path. */ |
918 | if (no_dir) { |
6b88bc9c |
919 | PL_Argv[0] = no_dir + 1; |
2c2e0e8c |
920 | pass++; |
e29f6e02 |
921 | goto retry; |
922 | } |
923 | } |
0453d815 |
924 | if (rc < 0 && ckWARN(WARN_EXEC)) |
925 | Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s\n", |
491527d0 |
926 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
927 | ? "spawn" : "exec"), |
a97be121 |
928 | PL_Argv[0], Strerror(errno)); |
491527d0 |
929 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
930 | && ((trueflag & 0xFF) == P_WAIT)) |
ed344e4f |
931 | rc = -1; |
491527d0 |
932 | |
5838269b |
933 | finish: |
934 | if (new_stderr != -1) { /* How can we use error codes? */ |
935 | dup2(new_stderr, 2); |
936 | close(new_stderr); |
937 | fcntl(2, F_SETFD, fl_stderr); |
938 | } else if (nostderr) |
939 | close(2); |
491527d0 |
940 | return rc; |
941 | } |
942 | |
491527d0 |
943 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
4633a7c4 |
944 | int |
23da6c43 |
945 | do_spawn3(pTHX_ char *cmd, int execf, int flag) |
4633a7c4 |
946 | { |
947 | register char **a; |
948 | register char *s; |
3bbf9c2b |
949 | char *shell, *copt, *news = NULL; |
2d766320 |
950 | int rc, seenspace = 0, mergestderr = 0; |
4633a7c4 |
951 | |
c0c09dfd |
952 | #ifdef TRYSHELL |
953 | if ((shell = getenv("EMXSHELL")) != NULL) |
954 | copt = "-c"; |
955 | else if ((shell = getenv("SHELL")) != NULL) |
4633a7c4 |
956 | copt = "-c"; |
957 | else if ((shell = getenv("COMSPEC")) != NULL) |
958 | copt = "/C"; |
959 | else |
960 | shell = "cmd.exe"; |
c0c09dfd |
961 | #else |
962 | /* Consensus on perl5-porters is that it is _very_ important to |
963 | have a shell which will not change between computers with the |
964 | same architecture, to avoid "action on a distance". |
965 | And to have simple build, this shell should be sh. */ |
6b88bc9c |
966 | shell = PL_sh_path; |
c0c09dfd |
967 | copt = "-c"; |
968 | #endif |
969 | |
970 | while (*cmd && isSPACE(*cmd)) |
971 | cmd++; |
4633a7c4 |
972 | |
3bbf9c2b |
973 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
6b88bc9c |
974 | STRLEN l = strlen(PL_sh_path); |
3bbf9c2b |
975 | |
2cc2f81f |
976 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
6b88bc9c |
977 | strcpy(news, PL_sh_path); |
3bbf9c2b |
978 | strcpy(news + l, cmd + 7); |
979 | cmd = news; |
980 | } |
981 | |
4633a7c4 |
982 | /* save an extra exec if possible */ |
983 | /* see if there are shell metacharacters in it */ |
984 | |
c0c09dfd |
985 | if (*cmd == '.' && isSPACE(cmd[1])) |
986 | goto doshell; |
987 | |
988 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
989 | goto doshell; |
990 | |
991 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
992 | if (*s == '=') |
993 | goto doshell; |
994 | |
4633a7c4 |
995 | for (s = cmd; *s; s++) { |
c0c09dfd |
996 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
3bbf9c2b |
997 | if (*s == '\n' && s[1] == '\0') { |
4633a7c4 |
998 | *s = '\0'; |
999 | break; |
a0914d8e |
1000 | } else if (*s == '\\' && !seenspace) { |
1001 | continue; /* Allow backslashes in names */ |
5838269b |
1002 | } else if (*s == '>' && s >= cmd + 3 |
1003 | && s[-1] == '2' && s[1] == '&' && s[2] == '1' |
1004 | && isSPACE(s[-2]) ) { |
1005 | char *t = s + 3; |
1006 | |
1007 | while (*t && isSPACE(*t)) |
1008 | t++; |
1009 | if (!*t) { |
1010 | s[-2] = '\0'; |
1011 | mergestderr = 1; |
1012 | break; /* Allow 2>&1 as the last thing */ |
1013 | } |
4633a7c4 |
1014 | } |
491527d0 |
1015 | /* We do not convert this to do_spawn_ve since shell |
1016 | should be smart enough to start itself gloriously. */ |
c0c09dfd |
1017 | doshell: |
760ac839 |
1018 | if (execf == EXECF_TRUEEXEC) |
764df951 |
1019 | rc = execl(shell,shell,copt,cmd,(char*)0); |
760ac839 |
1020 | else if (execf == EXECF_EXEC) |
2c2e0e8c |
1021 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
72ea3524 |
1022 | else if (execf == EXECF_SPAWN_NOWAIT) |
2c2e0e8c |
1023 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
4435c477 |
1024 | else if (execf == EXECF_SPAWN_BYFLAG) |
1025 | rc = spawnl(flag,shell,shell,copt,cmd,(char*)0); |
2c2e0e8c |
1026 | else { |
1027 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
764df951 |
1028 | if (execf == EXECF_SYNC) |
1029 | rc = spawnl(P_WAIT,shell,shell,copt,cmd,(char*)0); |
1030 | else |
1031 | rc = result(aTHX_ P_WAIT, |
1032 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
0453d815 |
1033 | if (rc < 0 && ckWARN(WARN_EXEC)) |
1034 | Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s", |
2c2e0e8c |
1035 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
1036 | shell, Strerror(errno)); |
ed344e4f |
1037 | if (rc < 0) |
1038 | rc = -1; |
2c2e0e8c |
1039 | } |
1040 | if (news) |
1041 | Safefree(news); |
c0c09dfd |
1042 | return rc; |
a0914d8e |
1043 | } else if (*s == ' ' || *s == '\t') { |
1044 | seenspace = 1; |
4633a7c4 |
1045 | } |
1046 | } |
c0c09dfd |
1047 | |
491527d0 |
1048 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
6b88bc9c |
1049 | New(1303,PL_Argv, (s - cmd + 11) / 2, char*); |
1050 | PL_Cmd = savepvn(cmd, s-cmd); |
1051 | a = PL_Argv; |
1052 | for (s = PL_Cmd; *s;) { |
4633a7c4 |
1053 | while (*s && isSPACE(*s)) s++; |
1054 | if (*s) |
1055 | *(a++) = s; |
1056 | while (*s && !isSPACE(*s)) s++; |
1057 | if (*s) |
1058 | *s++ = '\0'; |
1059 | } |
1060 | *a = Nullch; |
6b88bc9c |
1061 | if (PL_Argv[0]) |
23da6c43 |
1062 | rc = do_spawn_ve(aTHX_ NULL, flag, execf, cmd, mergestderr); |
491527d0 |
1063 | else |
4633a7c4 |
1064 | rc = -1; |
2c2e0e8c |
1065 | if (news) |
1066 | Safefree(news); |
4633a7c4 |
1067 | do_execfree(); |
1068 | return rc; |
1069 | } |
1070 | |
4435c477 |
1071 | /* Array spawn. */ |
1072 | int |
2d766320 |
1073 | os2_do_aspawn(pTHX_ SV *really, register void **vmark, register void **vsp) |
4435c477 |
1074 | { |
2d766320 |
1075 | register SV **mark = (SV **)vmark; |
1076 | register SV **sp = (SV **)vsp; |
4435c477 |
1077 | register char **a; |
1078 | int rc; |
1079 | int flag = P_WAIT, flag_set = 0; |
1080 | STRLEN n_a; |
1081 | |
1082 | if (sp > mark) { |
1083 | New(1301,PL_Argv, sp - mark + 3, char*); |
1084 | a = PL_Argv; |
1085 | |
1086 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
1087 | ++mark; |
1088 | flag = SvIVx(*mark); |
1089 | flag_set = 1; |
1090 | |
1091 | } |
1092 | |
1093 | while (++mark <= sp) { |
1094 | if (*mark) |
1095 | *a++ = SvPVx(*mark, n_a); |
1096 | else |
1097 | *a++ = ""; |
1098 | } |
1099 | *a = Nullch; |
1100 | |
1101 | if (flag_set && (a == PL_Argv + 1)) { /* One arg? */ |
23da6c43 |
1102 | rc = do_spawn3(aTHX_ a[-1], EXECF_SPAWN_BYFLAG, flag); |
4435c477 |
1103 | } else |
23da6c43 |
1104 | rc = do_spawn_ve(aTHX_ really, flag, EXECF_SPAWN, NULL, 0); |
4435c477 |
1105 | } else |
1106 | rc = -1; |
1107 | do_execfree(); |
1108 | return rc; |
1109 | } |
1110 | |
760ac839 |
1111 | int |
23da6c43 |
1112 | os2_do_spawn(pTHX_ char *cmd) |
760ac839 |
1113 | { |
23da6c43 |
1114 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN, 0); |
760ac839 |
1115 | } |
1116 | |
72ea3524 |
1117 | int |
23da6c43 |
1118 | do_spawn_nowait(pTHX_ char *cmd) |
72ea3524 |
1119 | { |
23da6c43 |
1120 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN_NOWAIT,0); |
72ea3524 |
1121 | } |
1122 | |
760ac839 |
1123 | bool |
23da6c43 |
1124 | Perl_do_exec(pTHX_ char *cmd) |
760ac839 |
1125 | { |
23da6c43 |
1126 | do_spawn3(aTHX_ cmd, EXECF_EXEC, 0); |
017f25f1 |
1127 | return FALSE; |
760ac839 |
1128 | } |
1129 | |
1130 | bool |
23da6c43 |
1131 | os2exec(pTHX_ char *cmd) |
760ac839 |
1132 | { |
23da6c43 |
1133 | return do_spawn3(aTHX_ cmd, EXECF_TRUEEXEC, 0); |
760ac839 |
1134 | } |
1135 | |
3bbf9c2b |
1136 | PerlIO * |
23da6c43 |
1137 | my_syspopen(pTHX_ char *cmd, char *mode) |
c0c09dfd |
1138 | { |
72ea3524 |
1139 | #ifndef USE_POPEN |
72ea3524 |
1140 | int p[2]; |
1141 | register I32 this, that, newfd; |
2d766320 |
1142 | register I32 pid; |
3bbf9c2b |
1143 | SV *sv; |
2d766320 |
1144 | int fh_fl = 0; /* Pacify the warning */ |
72ea3524 |
1145 | |
72ea3524 |
1146 | /* `this' is what we use in the parent, `that' in the child. */ |
1147 | this = (*mode == 'w'); |
1148 | that = !this; |
6b88bc9c |
1149 | if (PL_tainting) { |
72ea3524 |
1150 | taint_env(); |
1151 | taint_proper("Insecure %s%s", "EXEC"); |
1152 | } |
c2267164 |
1153 | if (pipe(p) < 0) |
1154 | return Nullfp; |
72ea3524 |
1155 | /* Now we need to spawn the child. */ |
5838269b |
1156 | if (p[this] == (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
1157 | int new = dup(p[this]); |
1158 | |
1159 | if (new == -1) |
1160 | goto closepipes; |
1161 | close(p[this]); |
1162 | p[this] = new; |
1163 | } |
72ea3524 |
1164 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
5838269b |
1165 | if (newfd == -1) { |
1166 | /* This cannot happen due to fh being bad after pipe(), since |
1167 | pipe() should have created fh 0 and 1 even if they were |
1168 | initially closed. But we closed p[this] before. */ |
1169 | if (errno != EBADF) { |
1170 | closepipes: |
1171 | close(p[0]); |
1172 | close(p[1]); |
1173 | return Nullfp; |
1174 | } |
1175 | } else |
1176 | fh_fl = fcntl(*mode == 'r', F_GETFD); |
1177 | if (p[that] != (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
72ea3524 |
1178 | dup2(p[that], *mode == 'r'); |
1179 | close(p[that]); |
1180 | } |
1181 | /* Where is `this' and newfd now? */ |
1182 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
5838269b |
1183 | if (newfd != -1) |
1184 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
23da6c43 |
1185 | pid = do_spawn_nowait(aTHX_ cmd); |
5838269b |
1186 | if (newfd == -1) |
1187 | close(*mode == 'r'); /* It was closed initially */ |
1188 | else if (newfd != (*mode == 'r')) { /* Probably this check is not needed */ |
72ea3524 |
1189 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
1190 | close(newfd); |
5838269b |
1191 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
1192 | } else |
1193 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
491527d0 |
1194 | if (p[that] == (*mode == 'r')) |
1195 | close(p[that]); |
72ea3524 |
1196 | if (pid == -1) { |
1197 | close(p[this]); |
5838269b |
1198 | return Nullfp; |
72ea3524 |
1199 | } |
5838269b |
1200 | if (p[that] < p[this]) { /* Make fh as small as possible */ |
72ea3524 |
1201 | dup2(p[this], p[that]); |
1202 | close(p[this]); |
1203 | p[this] = p[that]; |
1204 | } |
6b88bc9c |
1205 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
72ea3524 |
1206 | (void)SvUPGRADE(sv,SVt_IV); |
1207 | SvIVX(sv) = pid; |
6b88bc9c |
1208 | PL_forkprocess = pid; |
72ea3524 |
1209 | return PerlIO_fdopen(p[this], mode); |
3bbf9c2b |
1210 | |
72ea3524 |
1211 | #else /* USE_POPEN */ |
1212 | |
1213 | PerlIO *res; |
1214 | SV *sv; |
1215 | |
1216 | # ifdef TRYSHELL |
3bbf9c2b |
1217 | res = popen(cmd, mode); |
72ea3524 |
1218 | # else |
c0c09dfd |
1219 | char *shell = getenv("EMXSHELL"); |
3bbf9c2b |
1220 | |
6b88bc9c |
1221 | my_setenv("EMXSHELL", PL_sh_path); |
c0c09dfd |
1222 | res = popen(cmd, mode); |
1223 | my_setenv("EMXSHELL", shell); |
72ea3524 |
1224 | # endif |
6b88bc9c |
1225 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
3bbf9c2b |
1226 | (void)SvUPGRADE(sv,SVt_IV); |
1227 | SvIVX(sv) = -1; /* A cooky. */ |
1228 | return res; |
72ea3524 |
1229 | |
1230 | #endif /* USE_POPEN */ |
1231 | |
c0c09dfd |
1232 | } |
1233 | |
3bbf9c2b |
1234 | /******************************************************************/ |
4633a7c4 |
1235 | |
1236 | #ifndef HAS_FORK |
1237 | int |
1238 | fork(void) |
1239 | { |
23da6c43 |
1240 | Perl_croak_nocontext(PL_no_func, "Unsupported function fork"); |
4633a7c4 |
1241 | errno = EINVAL; |
1242 | return -1; |
1243 | } |
1244 | #endif |
1245 | |
3bbf9c2b |
1246 | /*******************************************************************/ |
46e87256 |
1247 | /* not implemented in EMX 0.9d */ |
4633a7c4 |
1248 | |
46e87256 |
1249 | char * ctermid(char *s) { return 0; } |
eacfb5f1 |
1250 | |
1251 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
4633a7c4 |
1252 | void * ttyname(x) { return 0; } |
eacfb5f1 |
1253 | #endif |
4633a7c4 |
1254 | |
760ac839 |
1255 | /*****************************************************************************/ |
1256 | /* not implemented in C Set++ */ |
1257 | |
1258 | #ifndef __EMX__ |
1259 | int setuid(x) { errno = EINVAL; return -1; } |
1260 | int setgid(x) { errno = EINVAL; return -1; } |
1261 | #endif |
4633a7c4 |
1262 | |
1263 | /*****************************************************************************/ |
1264 | /* stat() hack for char/block device */ |
1265 | |
1266 | #if OS2_STAT_HACK |
1267 | |
1268 | /* First attempt used DosQueryFSAttach which crashed the system when |
1269 | used with 5.001. Now just look for /dev/. */ |
1270 | |
1271 | int |
2d766320 |
1272 | os2_stat(const char *name, struct stat *st) |
4633a7c4 |
1273 | { |
1274 | static int ino = SHRT_MAX; |
1275 | |
1276 | if (stricmp(name, "/dev/con") != 0 |
1277 | && stricmp(name, "/dev/tty") != 0) |
1278 | return stat(name, st); |
1279 | |
1280 | memset(st, 0, sizeof *st); |
1281 | st->st_mode = S_IFCHR|0666; |
1282 | st->st_ino = (ino-- & 0x7FFF); |
1283 | st->st_nlink = 1; |
1284 | return 0; |
1285 | } |
1286 | |
1287 | #endif |
c0c09dfd |
1288 | |
760ac839 |
1289 | #ifdef USE_PERL_SBRK |
c0c09dfd |
1290 | |
760ac839 |
1291 | /* SBRK() emulation, mostly moved to malloc.c. */ |
c0c09dfd |
1292 | |
1293 | void * |
760ac839 |
1294 | sys_alloc(int size) { |
1295 | void *got; |
1296 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
1297 | |
c0c09dfd |
1298 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
1299 | return (void *) -1; |
4bfbfac5 |
1300 | } else if ( rc ) |
23da6c43 |
1301 | Perl_croak_nocontext("Got an error from DosAllocMem: %li", (long)rc); |
760ac839 |
1302 | return got; |
c0c09dfd |
1303 | } |
760ac839 |
1304 | |
1305 | #endif /* USE_PERL_SBRK */ |
c0c09dfd |
1306 | |
1307 | /* tmp path */ |
1308 | |
1309 | char *tmppath = TMPPATH1; |
1310 | |
1311 | void |
1312 | settmppath() |
1313 | { |
1314 | char *p = getenv("TMP"), *tpath; |
1315 | int len; |
1316 | |
1317 | if (!p) p = getenv("TEMP"); |
1318 | if (!p) return; |
1319 | len = strlen(p); |
1320 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
db7c17d7 |
1321 | if (tpath) { |
1322 | strcpy(tpath, p); |
1323 | tpath[len] = '/'; |
1324 | strcpy(tpath + len + 1, TMPPATH1); |
1325 | tmppath = tpath; |
1326 | } |
c0c09dfd |
1327 | } |
7a2f0d5b |
1328 | |
1329 | #include "XSUB.h" |
1330 | |
1331 | XS(XS_File__Copy_syscopy) |
1332 | { |
1333 | dXSARGS; |
1334 | if (items < 2 || items > 3) |
23da6c43 |
1335 | Perl_croak_nocontext("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
7a2f0d5b |
1336 | { |
2d8e6c8d |
1337 | STRLEN n_a; |
1338 | char * src = (char *)SvPV(ST(0),n_a); |
1339 | char * dst = (char *)SvPV(ST(1),n_a); |
7a2f0d5b |
1340 | U32 flag; |
1341 | int RETVAL, rc; |
1342 | |
1343 | if (items < 3) |
1344 | flag = 0; |
1345 | else { |
1346 | flag = (unsigned long)SvIV(ST(2)); |
1347 | } |
1348 | |
6f064249 |
1349 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
7a2f0d5b |
1350 | ST(0) = sv_newmortal(); |
1351 | sv_setiv(ST(0), (IV)RETVAL); |
1352 | } |
1353 | XSRETURN(1); |
1354 | } |
1355 | |
1c46958a |
1356 | #define PERL_PATCHLEVEL_H_IMPLICIT /* Do not init local_patches. */ |
017f25f1 |
1357 | #include "patchlevel.h" |
1c46958a |
1358 | #undef PERL_PATCHLEVEL_H_IMPLICIT |
017f25f1 |
1359 | |
6f064249 |
1360 | char * |
23da6c43 |
1361 | mod2fname(pTHX_ SV *sv) |
6f064249 |
1362 | { |
1363 | static char fname[9]; |
760ac839 |
1364 | int pos = 6, len, avlen; |
1365 | unsigned int sum = 0; |
6f064249 |
1366 | char *s; |
2d8e6c8d |
1367 | STRLEN n_a; |
6f064249 |
1368 | |
23da6c43 |
1369 | if (!SvROK(sv)) Perl_croak_nocontext("Not a reference given to mod2fname"); |
6f064249 |
1370 | sv = SvRV(sv); |
1371 | if (SvTYPE(sv) != SVt_PVAV) |
23da6c43 |
1372 | Perl_croak_nocontext("Not array reference given to mod2fname"); |
760ac839 |
1373 | |
1374 | avlen = av_len((AV*)sv); |
1375 | if (avlen < 0) |
23da6c43 |
1376 | Perl_croak_nocontext("Empty array reference given to mod2fname"); |
760ac839 |
1377 | |
2d8e6c8d |
1378 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
6f064249 |
1379 | strncpy(fname, s, 8); |
760ac839 |
1380 | len = strlen(s); |
1381 | if (len < 6) pos = len; |
1382 | while (*s) { |
1383 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
1384 | * get the capitalization into c.s. */ |
1385 | } |
1386 | avlen --; |
1387 | while (avlen >= 0) { |
2d8e6c8d |
1388 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
760ac839 |
1389 | while (*s) { |
1390 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
1391 | } |
1392 | avlen --; |
1393 | } |
3aefca04 |
1394 | #ifdef USE_THREADS |
1395 | sum++; /* Avoid conflict of DLLs in memory. */ |
1396 | #endif |
bea19d3f |
1397 | /* We always load modules as *specific* DLLs, and with the full name. |
1398 | When loading a specific DLL by its full name, one cannot get a |
1399 | different DLL, even if a DLL with the same basename is loaded already. |
1400 | Thus there is no need to include the version into the mangling scheme. */ |
1401 | #if 0 |
1402 | sum += PERL_VERSION * 200 + PERL_SUBVERSION * 2; /* Up to 5.6.1 */ |
1403 | #else |
1404 | # ifndef COMPATIBLE_VERSION_SUM /* Binary compatibility with the 5.00553 binary */ |
1405 | # define COMPATIBLE_VERSION_SUM (5 * 200 + 53 * 2) |
1406 | # endif |
1407 | sum += COMPATIBLE_VERSION_SUM; |
1408 | #endif |
760ac839 |
1409 | fname[pos] = 'A' + (sum % 26); |
1410 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
1411 | fname[pos + 2] = '\0'; |
6f064249 |
1412 | return (char *)fname; |
1413 | } |
1414 | |
1415 | XS(XS_DynaLoader_mod2fname) |
1416 | { |
1417 | dXSARGS; |
1418 | if (items != 1) |
23da6c43 |
1419 | Perl_croak_nocontext("Usage: DynaLoader::mod2fname(sv)"); |
6f064249 |
1420 | { |
1421 | SV * sv = ST(0); |
1422 | char * RETVAL; |
1423 | |
23da6c43 |
1424 | RETVAL = mod2fname(aTHX_ sv); |
6f064249 |
1425 | ST(0) = sv_newmortal(); |
1426 | sv_setpv((SV*)ST(0), RETVAL); |
1427 | } |
1428 | XSRETURN(1); |
1429 | } |
1430 | |
1431 | char * |
1432 | os2error(int rc) |
1433 | { |
1434 | static char buf[300]; |
1435 | ULONG len; |
9fed8b87 |
1436 | char *s; |
1437 | int number = SvTRUE(get_sv("OS2::nsyserror", TRUE)); |
6f064249 |
1438 | |
55497cff |
1439 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
6f064249 |
1440 | if (rc == 0) |
9fed8b87 |
1441 | return ""; |
1442 | if (number) { |
1443 | sprintf(buf, "SYS%04d=%#x: ", rc, rc); |
1444 | s = buf + strlen(buf); |
1445 | } else |
1446 | s = buf; |
1447 | if (DosGetMessage(NULL, 0, s, sizeof(buf) - 1 - (s-buf), |
1448 | rc, "OSO001.MSG", &len)) { |
1449 | if (!number) { |
1450 | sprintf(buf, "SYS%04d=%#x: ", rc, rc); |
1451 | s = buf + strlen(buf); |
1452 | } |
1453 | sprintf(s, "[No description found in OSO001.MSG]"); |
1454 | } else { |
1455 | s[len] = '\0'; |
1456 | if (len && s[len - 1] == '\n') |
1457 | s[--len] = 0; |
1458 | if (len && s[len - 1] == '\r') |
1459 | s[--len] = 0; |
1460 | if (len && s[len - 1] == '.') |
1461 | s[--len] = 0; |
1462 | if (len >= 10 && number && strnEQ(s, buf, 7) |
1463 | && s[7] == ':' && s[8] == ' ') |
1464 | /* Some messages start with SYSdddd:, some not */ |
1465 | Move(s + 9, s, (len -= 9) + 1, char); |
ed344e4f |
1466 | } |
6f064249 |
1467 | return buf; |
1468 | } |
1469 | |
760ac839 |
1470 | char * |
23da6c43 |
1471 | os2_execname(pTHX) |
ed344e4f |
1472 | { |
5ba48348 |
1473 | char buf[300], *p, *o = PL_origargv[0], ok = 1; |
ed344e4f |
1474 | |
1475 | if (_execname(buf, sizeof buf) != 0) |
5ba48348 |
1476 | return o; |
ed344e4f |
1477 | p = buf; |
1478 | while (*p) { |
1479 | if (*p == '\\') |
1480 | *p = '/'; |
5ba48348 |
1481 | if (*p == '/') { |
1482 | if (ok && *o != '/' && *o != '\\') |
1483 | ok = 0; |
1484 | } else if (ok && tolower(*o) != tolower(*p)) |
1485 | ok = 0; |
ed344e4f |
1486 | p++; |
5ba48348 |
1487 | o++; |
1488 | } |
1489 | if (ok) { /* PL_origargv[0] matches the real name. Use PL_origargv[0]: */ |
1490 | strcpy(buf, PL_origargv[0]); /* _execname() is always uppercased */ |
1491 | p = buf; |
1492 | while (*p) { |
1493 | if (*p == '\\') |
1494 | *p = '/'; |
1495 | p++; |
1496 | } |
ed344e4f |
1497 | } |
1498 | p = savepv(buf); |
1499 | SAVEFREEPV(p); |
1500 | return p; |
1501 | } |
1502 | |
1503 | char * |
760ac839 |
1504 | perllib_mangle(char *s, unsigned int l) |
1505 | { |
1506 | static char *newp, *oldp; |
1507 | static int newl, oldl, notfound; |
1508 | static char ret[STATIC_FILE_LENGTH+1]; |
1509 | |
1510 | if (!newp && !notfound) { |
1511 | newp = getenv("PERLLIB_PREFIX"); |
1512 | if (newp) { |
ff68c719 |
1513 | char *s; |
1514 | |
760ac839 |
1515 | oldp = newp; |
89078e0f |
1516 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
760ac839 |
1517 | newp++; oldl++; /* Skip digits. */ |
1518 | } |
1519 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
1520 | newp++; /* Skip whitespace. */ |
1521 | } |
1522 | newl = strlen(newp); |
1523 | if (newl == 0 || oldl == 0) { |
23da6c43 |
1524 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1525 | } |
ff68c719 |
1526 | strcpy(ret, newp); |
1527 | s = ret; |
1528 | while (*s) { |
1529 | if (*s == '\\') *s = '/'; |
1530 | s++; |
1531 | } |
760ac839 |
1532 | } else { |
1533 | notfound = 1; |
1534 | } |
1535 | } |
1536 | if (!newp) { |
1537 | return s; |
1538 | } |
1539 | if (l == 0) { |
1540 | l = strlen(s); |
1541 | } |
3bbf9c2b |
1542 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
760ac839 |
1543 | return s; |
1544 | } |
1545 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
23da6c43 |
1546 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1547 | } |
89078e0f |
1548 | strcpy(ret + newl, s + oldl); |
760ac839 |
1549 | return ret; |
1550 | } |
6f064249 |
1551 | |
4bfbfac5 |
1552 | unsigned long |
1553 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
1554 | { |
1555 | return perl_hab_GET(); |
1556 | } |
1557 | |
1558 | HMQ |
1559 | Perl_Register_MQ(int serve) |
1560 | { |
1561 | PPIB pib; |
1562 | PTIB tib; |
1563 | |
1564 | if (Perl_os2_initial_mode++) |
1565 | return Perl_hmq; |
1566 | DosGetInfoBlocks(&tib, &pib); |
1567 | Perl_os2_initial_mode = pib->pib_ultype; |
4bfbfac5 |
1568 | /* Try morphing into a PM application. */ |
1569 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
1570 | pib->pib_ultype = 3; /* 3 is PM */ |
1571 | init_PMWIN_entries(); |
1572 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
1573 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
1574 | if (!Perl_hmq) { |
1575 | static int cnt; |
5ba48348 |
1576 | |
1577 | SAVEINT(cnt); /* Allow catch()ing. */ |
4bfbfac5 |
1578 | if (cnt++) |
1579 | _exit(188); /* Panic can try to create a window. */ |
23da6c43 |
1580 | Perl_croak_nocontext("Cannot create a message queue, or morph to a PM application"); |
4bfbfac5 |
1581 | } |
5ba48348 |
1582 | if (serve) { |
1583 | if ( Perl_hmq_servers <= 0 /* Safe to inform us on shutdown, */ |
1584 | && Perl_hmq_refcnt > 0 ) /* this was switched off before... */ |
1585 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 0); |
1586 | Perl_hmq_servers++; |
1587 | } else if (!Perl_hmq_servers) /* Do not inform us on shutdown */ |
1588 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); |
1589 | Perl_hmq_refcnt++; |
4bfbfac5 |
1590 | return Perl_hmq; |
1591 | } |
1592 | |
1593 | int |
1594 | Perl_Serve_Messages(int force) |
1595 | { |
1596 | int cnt = 0; |
1597 | QMSG msg; |
1598 | |
5ba48348 |
1599 | if (Perl_hmq_servers > 0 && !force) |
4bfbfac5 |
1600 | return 0; |
5ba48348 |
1601 | if (Perl_hmq_refcnt <= 0) |
23da6c43 |
1602 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1603 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
1604 | cnt++; |
1605 | if (msg.msg == WM_QUIT) |
23da6c43 |
1606 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1607 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1608 | } |
1609 | return cnt; |
1610 | } |
1611 | |
1612 | int |
1613 | Perl_Process_Messages(int force, I32 *cntp) |
1614 | { |
1615 | QMSG msg; |
1616 | |
5ba48348 |
1617 | if (Perl_hmq_servers > 0 && !force) |
4bfbfac5 |
1618 | return 0; |
5ba48348 |
1619 | if (Perl_hmq_refcnt <= 0) |
23da6c43 |
1620 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1621 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
1622 | if (cntp) |
1623 | (*cntp)++; |
1624 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1625 | if (msg.msg == WM_DESTROY) |
1626 | return -1; |
1627 | if (msg.msg == WM_CREATE) |
1628 | return +1; |
1629 | } |
23da6c43 |
1630 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1631 | } |
1632 | |
1633 | void |
1634 | Perl_Deregister_MQ(int serve) |
1635 | { |
1636 | PPIB pib; |
1637 | PTIB tib; |
1638 | |
5ba48348 |
1639 | if (serve) |
1640 | Perl_hmq_servers--; |
1641 | if (--Perl_hmq_refcnt <= 0) { |
1642 | init_PMWIN_entries(); /* To be extra safe */ |
4bfbfac5 |
1643 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
1644 | Perl_hmq = 0; |
1645 | /* Try morphing back from a PM application. */ |
5ba48348 |
1646 | DosGetInfoBlocks(&tib, &pib); |
4bfbfac5 |
1647 | if (pib->pib_ultype == 3) /* 3 is PM */ |
1648 | pib->pib_ultype = Perl_os2_initial_mode; |
1649 | else |
23da6c43 |
1650 | Perl_warn_nocontext("Unexpected program mode %d when morphing back from PM", |
4bfbfac5 |
1651 | pib->pib_ultype); |
5ba48348 |
1652 | } else if (serve && Perl_hmq_servers <= 0) /* Last server exited */ |
1653 | (*PMWIN_entries.CancelShutdown)(Perl_hmq, 1); |
4bfbfac5 |
1654 | } |
1655 | |
3bbf9c2b |
1656 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
1657 | && ((path)[2] == '/' || (path)[2] == '\\')) |
1658 | #define sys_is_rooted _fnisabs |
1659 | #define sys_is_relative _fnisrel |
1660 | #define current_drive _getdrive |
1661 | |
1662 | #undef chdir /* Was _chdir2. */ |
1663 | #define sys_chdir(p) (chdir(p) == 0) |
1664 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
1665 | |
4bfbfac5 |
1666 | static int DOS_harderr_state = -1; |
1667 | |
1668 | XS(XS_OS2_Error) |
1669 | { |
1670 | dXSARGS; |
1671 | if (items != 2) |
23da6c43 |
1672 | Perl_croak_nocontext("Usage: OS2::Error(harderr, exception)"); |
4bfbfac5 |
1673 | { |
1674 | int arg1 = SvIV(ST(0)); |
1675 | int arg2 = SvIV(ST(1)); |
1676 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
1677 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
1678 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
1679 | unsigned long rc; |
1680 | |
1681 | if (CheckOSError(DosError(a))) |
23da6c43 |
1682 | Perl_croak_nocontext("DosError(%d) failed", a); |
4bfbfac5 |
1683 | ST(0) = sv_newmortal(); |
1684 | if (DOS_harderr_state >= 0) |
1685 | sv_setiv(ST(0), DOS_harderr_state); |
1686 | DOS_harderr_state = RETVAL; |
1687 | } |
1688 | XSRETURN(1); |
1689 | } |
1690 | |
1691 | static signed char DOS_suppression_state = -1; |
1692 | |
1693 | XS(XS_OS2_Errors2Drive) |
1694 | { |
1695 | dXSARGS; |
1696 | if (items != 1) |
23da6c43 |
1697 | Perl_croak_nocontext("Usage: OS2::Errors2Drive(drive)"); |
4bfbfac5 |
1698 | { |
2d8e6c8d |
1699 | STRLEN n_a; |
4bfbfac5 |
1700 | SV *sv = ST(0); |
1701 | int suppress = SvOK(sv); |
2d8e6c8d |
1702 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
4bfbfac5 |
1703 | char drive = (s ? *s : 0); |
1704 | unsigned long rc; |
1705 | |
1706 | if (suppress && !isALPHA(drive)) |
23da6c43 |
1707 | Perl_croak_nocontext("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
4bfbfac5 |
1708 | if (CheckOSError(DosSuppressPopUps((suppress |
1709 | ? SPU_ENABLESUPPRESSION |
1710 | : SPU_DISABLESUPPRESSION), |
1711 | drive))) |
23da6c43 |
1712 | Perl_croak_nocontext("DosSuppressPopUps(%c) failed", drive); |
4bfbfac5 |
1713 | ST(0) = sv_newmortal(); |
1714 | if (DOS_suppression_state > 0) |
1715 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
1716 | else if (DOS_suppression_state == 0) |
1717 | sv_setpvn(ST(0), "", 0); |
1718 | DOS_suppression_state = drive; |
1719 | } |
1720 | XSRETURN(1); |
1721 | } |
1722 | |
1723 | static const char * const si_fields[QSV_MAX] = { |
1724 | "MAX_PATH_LENGTH", |
1725 | "MAX_TEXT_SESSIONS", |
1726 | "MAX_PM_SESSIONS", |
1727 | "MAX_VDM_SESSIONS", |
1728 | "BOOT_DRIVE", |
1729 | "DYN_PRI_VARIATION", |
1730 | "MAX_WAIT", |
1731 | "MIN_SLICE", |
1732 | "MAX_SLICE", |
1733 | "PAGE_SIZE", |
1734 | "VERSION_MAJOR", |
1735 | "VERSION_MINOR", |
1736 | "VERSION_REVISION", |
1737 | "MS_COUNT", |
1738 | "TIME_LOW", |
1739 | "TIME_HIGH", |
1740 | "TOTPHYSMEM", |
1741 | "TOTRESMEM", |
1742 | "TOTAVAILMEM", |
1743 | "MAXPRMEM", |
1744 | "MAXSHMEM", |
1745 | "TIMER_INTERVAL", |
1746 | "MAX_COMP_LENGTH", |
1747 | "FOREGROUND_FS_SESSION", |
1748 | "FOREGROUND_PROCESS" |
1749 | }; |
1750 | |
1751 | XS(XS_OS2_SysInfo) |
1752 | { |
1753 | dXSARGS; |
1754 | if (items != 0) |
23da6c43 |
1755 | Perl_croak_nocontext("Usage: OS2::SysInfo()"); |
4bfbfac5 |
1756 | { |
1757 | ULONG si[QSV_MAX] = {0}; /* System Information Data Buffer */ |
1758 | APIRET rc = NO_ERROR; /* Return code */ |
1759 | int i = 0, j = 0; |
1760 | |
1761 | if (CheckOSError(DosQuerySysInfo(1L, /* Request all available system */ |
1762 | QSV_MAX, /* information */ |
1763 | (PVOID)si, |
1764 | sizeof(si)))) |
23da6c43 |
1765 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
1766 | EXTEND(SP,2*QSV_MAX); |
1767 | while (i < QSV_MAX) { |
1768 | ST(j) = sv_newmortal(); |
1769 | sv_setpv(ST(j++), si_fields[i]); |
1770 | ST(j) = sv_newmortal(); |
1771 | sv_setiv(ST(j++), si[i]); |
1772 | i++; |
1773 | } |
1774 | } |
1775 | XSRETURN(2 * QSV_MAX); |
1776 | } |
1777 | |
1778 | XS(XS_OS2_BootDrive) |
1779 | { |
1780 | dXSARGS; |
1781 | if (items != 0) |
23da6c43 |
1782 | Perl_croak_nocontext("Usage: OS2::BootDrive()"); |
4bfbfac5 |
1783 | { |
1784 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
1785 | APIRET rc = NO_ERROR; /* Return code */ |
1786 | char c; |
1787 | |
1788 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
1789 | (PVOID)si, sizeof(si)))) |
23da6c43 |
1790 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
1791 | ST(0) = sv_newmortal(); |
1792 | c = 'a' - 1 + si[0]; |
1793 | sv_setpvn(ST(0), &c, 1); |
1794 | } |
1795 | XSRETURN(1); |
1796 | } |
1797 | |
1798 | XS(XS_OS2_MorphPM) |
1799 | { |
1800 | dXSARGS; |
1801 | if (items != 1) |
23da6c43 |
1802 | Perl_croak_nocontext("Usage: OS2::MorphPM(serve)"); |
4bfbfac5 |
1803 | { |
1804 | bool serve = SvOK(ST(0)); |
1805 | unsigned long pmq = perl_hmq_GET(serve); |
1806 | |
1807 | ST(0) = sv_newmortal(); |
1808 | sv_setiv(ST(0), pmq); |
1809 | } |
1810 | XSRETURN(1); |
1811 | } |
1812 | |
1813 | XS(XS_OS2_UnMorphPM) |
1814 | { |
1815 | dXSARGS; |
1816 | if (items != 1) |
23da6c43 |
1817 | Perl_croak_nocontext("Usage: OS2::UnMorphPM(serve)"); |
4bfbfac5 |
1818 | { |
1819 | bool serve = SvOK(ST(0)); |
1820 | |
1821 | perl_hmq_UNSET(serve); |
1822 | } |
1823 | XSRETURN(0); |
1824 | } |
1825 | |
1826 | XS(XS_OS2_Serve_Messages) |
1827 | { |
1828 | dXSARGS; |
1829 | if (items != 1) |
23da6c43 |
1830 | Perl_croak_nocontext("Usage: OS2::Serve_Messages(force)"); |
4bfbfac5 |
1831 | { |
1832 | bool force = SvOK(ST(0)); |
1833 | unsigned long cnt = Perl_Serve_Messages(force); |
1834 | |
1835 | ST(0) = sv_newmortal(); |
1836 | sv_setiv(ST(0), cnt); |
1837 | } |
1838 | XSRETURN(1); |
1839 | } |
1840 | |
1841 | XS(XS_OS2_Process_Messages) |
1842 | { |
1843 | dXSARGS; |
1844 | if (items < 1 || items > 2) |
23da6c43 |
1845 | Perl_croak_nocontext("Usage: OS2::Process_Messages(force [, cnt])"); |
4bfbfac5 |
1846 | { |
1847 | bool force = SvOK(ST(0)); |
1848 | unsigned long cnt; |
4bfbfac5 |
1849 | |
1850 | if (items == 2) { |
47344f21 |
1851 | I32 cntr; |
4bfbfac5 |
1852 | SV *sv = ST(1); |
2d766320 |
1853 | |
1854 | (void)SvIV(sv); /* Force SvIVX */ |
4bfbfac5 |
1855 | if (!SvIOK(sv)) |
23da6c43 |
1856 | Perl_croak_nocontext("Can't upgrade count to IV"); |
47344f21 |
1857 | cntr = SvIVX(sv); |
1858 | cnt = Perl_Process_Messages(force, &cntr); |
1859 | SvIVX(sv) = cntr; |
1860 | } else { |
1861 | cnt = Perl_Process_Messages(force, NULL); |
1862 | } |
4bfbfac5 |
1863 | ST(0) = sv_newmortal(); |
1864 | sv_setiv(ST(0), cnt); |
1865 | } |
1866 | XSRETURN(1); |
1867 | } |
1868 | |
3bbf9c2b |
1869 | XS(XS_Cwd_current_drive) |
1870 | { |
1871 | dXSARGS; |
1872 | if (items != 0) |
23da6c43 |
1873 | Perl_croak_nocontext("Usage: Cwd::current_drive()"); |
3bbf9c2b |
1874 | { |
1875 | char RETVAL; |
1876 | |
1877 | RETVAL = current_drive(); |
1878 | ST(0) = sv_newmortal(); |
1879 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
1880 | } |
1881 | XSRETURN(1); |
1882 | } |
1883 | |
1884 | XS(XS_Cwd_sys_chdir) |
1885 | { |
1886 | dXSARGS; |
1887 | if (items != 1) |
23da6c43 |
1888 | Perl_croak_nocontext("Usage: Cwd::sys_chdir(path)"); |
3bbf9c2b |
1889 | { |
2d8e6c8d |
1890 | STRLEN n_a; |
1891 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1892 | bool RETVAL; |
1893 | |
1894 | RETVAL = sys_chdir(path); |
54310121 |
1895 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1896 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1897 | } |
1898 | XSRETURN(1); |
1899 | } |
1900 | |
1901 | XS(XS_Cwd_change_drive) |
1902 | { |
1903 | dXSARGS; |
1904 | if (items != 1) |
23da6c43 |
1905 | Perl_croak_nocontext("Usage: Cwd::change_drive(d)"); |
3bbf9c2b |
1906 | { |
2d8e6c8d |
1907 | STRLEN n_a; |
1908 | char d = (char)*SvPV(ST(0),n_a); |
3bbf9c2b |
1909 | bool RETVAL; |
1910 | |
1911 | RETVAL = change_drive(d); |
54310121 |
1912 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1913 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1914 | } |
1915 | XSRETURN(1); |
1916 | } |
1917 | |
1918 | XS(XS_Cwd_sys_is_absolute) |
1919 | { |
1920 | dXSARGS; |
1921 | if (items != 1) |
23da6c43 |
1922 | Perl_croak_nocontext("Usage: Cwd::sys_is_absolute(path)"); |
3bbf9c2b |
1923 | { |
2d8e6c8d |
1924 | STRLEN n_a; |
1925 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1926 | bool RETVAL; |
1927 | |
1928 | RETVAL = sys_is_absolute(path); |
54310121 |
1929 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1930 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1931 | } |
1932 | XSRETURN(1); |
1933 | } |
1934 | |
1935 | XS(XS_Cwd_sys_is_rooted) |
1936 | { |
1937 | dXSARGS; |
1938 | if (items != 1) |
23da6c43 |
1939 | Perl_croak_nocontext("Usage: Cwd::sys_is_rooted(path)"); |
3bbf9c2b |
1940 | { |
2d8e6c8d |
1941 | STRLEN n_a; |
1942 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1943 | bool RETVAL; |
1944 | |
1945 | RETVAL = sys_is_rooted(path); |
54310121 |
1946 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1947 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1948 | } |
1949 | XSRETURN(1); |
1950 | } |
1951 | |
1952 | XS(XS_Cwd_sys_is_relative) |
1953 | { |
1954 | dXSARGS; |
1955 | if (items != 1) |
23da6c43 |
1956 | Perl_croak_nocontext("Usage: Cwd::sys_is_relative(path)"); |
3bbf9c2b |
1957 | { |
2d8e6c8d |
1958 | STRLEN n_a; |
1959 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1960 | bool RETVAL; |
1961 | |
1962 | RETVAL = sys_is_relative(path); |
54310121 |
1963 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1964 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1965 | } |
1966 | XSRETURN(1); |
1967 | } |
1968 | |
1969 | XS(XS_Cwd_sys_cwd) |
1970 | { |
1971 | dXSARGS; |
1972 | if (items != 0) |
23da6c43 |
1973 | Perl_croak_nocontext("Usage: Cwd::sys_cwd()"); |
3bbf9c2b |
1974 | { |
1975 | char p[MAXPATHLEN]; |
1976 | char * RETVAL; |
1977 | RETVAL = _getcwd2(p, MAXPATHLEN); |
1978 | ST(0) = sv_newmortal(); |
1979 | sv_setpv((SV*)ST(0), RETVAL); |
1980 | } |
1981 | XSRETURN(1); |
1982 | } |
1983 | |
1984 | XS(XS_Cwd_sys_abspath) |
1985 | { |
1986 | dXSARGS; |
1987 | if (items < 1 || items > 2) |
23da6c43 |
1988 | Perl_croak_nocontext("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
3bbf9c2b |
1989 | { |
2d8e6c8d |
1990 | STRLEN n_a; |
1991 | char * path = (char *)SvPV(ST(0),n_a); |
f5f423e4 |
1992 | char * dir, *s, *t, *e; |
3bbf9c2b |
1993 | char p[MAXPATHLEN]; |
1994 | char * RETVAL; |
f5f423e4 |
1995 | int l; |
1996 | SV *sv; |
3bbf9c2b |
1997 | |
1998 | if (items < 2) |
1999 | dir = NULL; |
2000 | else { |
2d8e6c8d |
2001 | dir = (char *)SvPV(ST(1),n_a); |
3bbf9c2b |
2002 | } |
2003 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
2004 | path += 2; |
2005 | } |
2006 | if (dir == NULL) { |
2007 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
2008 | RETVAL = p; |
2009 | } else { |
2010 | RETVAL = NULL; |
2011 | } |
2012 | } else { |
2013 | /* Absolute with drive: */ |
2014 | if ( sys_is_absolute(path) ) { |
2015 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
2016 | RETVAL = p; |
2017 | } else { |
2018 | RETVAL = NULL; |
2019 | } |
2020 | } else if (path[0] == '/' || path[0] == '\\') { |
2021 | /* Rooted, but maybe on different drive. */ |
2022 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
2023 | char p1[MAXPATHLEN]; |
2024 | |
2025 | /* Need to prepend the drive. */ |
2026 | p1[0] = dir[0]; |
2027 | p1[1] = dir[1]; |
2028 | Copy(path, p1 + 2, strlen(path) + 1, char); |
2029 | RETVAL = p; |
2030 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
2031 | RETVAL = p; |
2032 | } else { |
2033 | RETVAL = NULL; |
2034 | } |
2035 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
2036 | RETVAL = p; |
2037 | } else { |
2038 | RETVAL = NULL; |
2039 | } |
2040 | } else { |
2041 | /* Either path is relative, or starts with a drive letter. */ |
2042 | /* If the path starts with a drive letter, then dir is |
2043 | relevant only if |
2044 | a/b) it is absolute/x:relative on the same drive. |
2045 | c) path is on current drive, and dir is rooted |
2046 | In all the cases it is safe to drop the drive part |
2047 | of the path. */ |
2048 | if ( !sys_is_relative(path) ) { |
3bbf9c2b |
2049 | if ( ( ( sys_is_absolute(dir) |
2050 | || (isALPHA(dir[0]) && dir[1] == ':' |
2051 | && strnicmp(dir, path,1) == 0)) |
2052 | && strnicmp(dir, path,1) == 0) |
2053 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
2054 | && toupper(path[0]) == current_drive())) { |
2055 | path += 2; |
2056 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
2057 | RETVAL = p; goto done; |
2058 | } else { |
2059 | RETVAL = NULL; goto done; |
2060 | } |
2061 | } |
2062 | { |
2063 | /* Need to prepend the absolute path of dir. */ |
2064 | char p1[MAXPATHLEN]; |
2065 | |
2066 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
2067 | int l = strlen(p1); |
2068 | |
2069 | if (p1[ l - 1 ] != '/') { |
2070 | p1[ l ] = '/'; |
2071 | l++; |
2072 | } |
2073 | Copy(path, p1 + l, strlen(path) + 1, char); |
2074 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
2075 | RETVAL = p; |
2076 | } else { |
2077 | RETVAL = NULL; |
2078 | } |
2079 | } else { |
2080 | RETVAL = NULL; |
2081 | } |
2082 | } |
2083 | done: |
2084 | } |
2085 | } |
f5f423e4 |
2086 | if (!RETVAL) |
2087 | XSRETURN_EMPTY; |
2088 | /* Backslashes are already converted to slashes. */ |
2089 | /* Remove trailing slashes */ |
2090 | l = strlen(RETVAL); |
2091 | while (l > 0 && RETVAL[l-1] == '/') |
2092 | l--; |
3bbf9c2b |
2093 | ST(0) = sv_newmortal(); |
f5f423e4 |
2094 | sv_setpvn( sv = (SV*)ST(0), RETVAL, l); |
45ee47cb |
2095 | /* Remove duplicate slashes, skipping the first three, which |
2096 | may be parts of a server-based path */ |
2097 | s = t = 3 + SvPV_force(sv, n_a); |
f5f423e4 |
2098 | e = SvEND(sv); |
45ee47cb |
2099 | /* Do not worry about multibyte chars here, this would contradict the |
2100 | eventual UTFization, and currently most other places break too... */ |
f5f423e4 |
2101 | while (s < e) { |
2102 | if (s[0] == t[-1] && s[0] == '/') |
2103 | s++; /* Skip duplicate / */ |
2104 | else |
2105 | *t++ = *s++; |
2106 | } |
45ee47cb |
2107 | if (t < e) { |
2108 | *t = 0; |
2109 | SvCUR_set(sv, t - SvPVX(sv)); |
2110 | } |
3bbf9c2b |
2111 | } |
2112 | XSRETURN(1); |
2113 | } |
72ea3524 |
2114 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
2115 | |
5a9d0041 |
2116 | /* Kernels after 2000/09/15 understand this too: */ |
2117 | #ifndef LIBPATHSTRICT |
2118 | # define LIBPATHSTRICT 3 |
2119 | #endif |
2120 | |
72ea3524 |
2121 | APIRET |
5a9d0041 |
2122 | ExtLIBPATH(ULONG ord, PSZ path, IV type) |
72ea3524 |
2123 | { |
5a9d0041 |
2124 | ULONG what; |
35bc1fdc |
2125 | PFN f = loadByOrdinal(ord, 1); /* Guarantied to load or die! */ |
5a9d0041 |
2126 | |
5a9d0041 |
2127 | if (type > 0) |
2128 | what = END_LIBPATH; |
2129 | else if (type == 0) |
2130 | what = BEGIN_LIBPATH; |
2131 | else |
2132 | what = LIBPATHSTRICT; |
35bc1fdc |
2133 | return (*(PELP)f)(path, what); |
72ea3524 |
2134 | } |
3bbf9c2b |
2135 | |
5a9d0041 |
2136 | #define extLibpath(to,type) \ |
35bc1fdc |
2137 | (CheckOSError(ExtLIBPATH(ORD_DosQueryExtLibpath, (to), (type))) ? NULL : (to) ) |
3bbf9c2b |
2138 | |
2139 | #define extLibpath_set(p,type) \ |
35bc1fdc |
2140 | (!CheckOSError(ExtLIBPATH(ORD_DosSetExtLibpath, (p), (type)))) |
3bbf9c2b |
2141 | |
2142 | XS(XS_Cwd_extLibpath) |
2143 | { |
2144 | dXSARGS; |
2145 | if (items < 0 || items > 1) |
23da6c43 |
2146 | Perl_croak_nocontext("Usage: Cwd::extLibpath(type = 0)"); |
3bbf9c2b |
2147 | { |
5a9d0041 |
2148 | IV type; |
3bbf9c2b |
2149 | char to[1024]; |
2150 | U32 rc; |
2151 | char * RETVAL; |
2152 | |
2153 | if (items < 1) |
2154 | type = 0; |
2155 | else { |
5a9d0041 |
2156 | type = SvIV(ST(0)); |
3bbf9c2b |
2157 | } |
2158 | |
5a9d0041 |
2159 | to[0] = 1; to[1] = 0; /* Sometimes no error reported */ |
2160 | RETVAL = extLibpath(to, type); |
2161 | if (RETVAL && RETVAL[0] == 1 && RETVAL[1] == 0) |
2162 | Perl_croak_nocontext("panic Cwd::extLibpath parameter"); |
3bbf9c2b |
2163 | ST(0) = sv_newmortal(); |
2164 | sv_setpv((SV*)ST(0), RETVAL); |
2165 | } |
2166 | XSRETURN(1); |
2167 | } |
2168 | |
2169 | XS(XS_Cwd_extLibpath_set) |
2170 | { |
2171 | dXSARGS; |
2172 | if (items < 1 || items > 2) |
23da6c43 |
2173 | Perl_croak_nocontext("Usage: Cwd::extLibpath_set(s, type = 0)"); |
3bbf9c2b |
2174 | { |
2d8e6c8d |
2175 | STRLEN n_a; |
2176 | char * s = (char *)SvPV(ST(0),n_a); |
5a9d0041 |
2177 | IV type; |
3bbf9c2b |
2178 | U32 rc; |
2179 | bool RETVAL; |
2180 | |
2181 | if (items < 2) |
2182 | type = 0; |
2183 | else { |
5a9d0041 |
2184 | type = SvIV(ST(1)); |
3bbf9c2b |
2185 | } |
2186 | |
2187 | RETVAL = extLibpath_set(s, type); |
54310121 |
2188 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2189 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2190 | } |
2191 | XSRETURN(1); |
2192 | } |
2193 | |
5ba48348 |
2194 | #define get_control87() _control87(0,0) |
2195 | #define set_control87 _control87 |
2196 | |
2197 | XS(XS_OS2__control87) |
2198 | { |
2199 | dXSARGS; |
2200 | if (items != 2) |
2201 | croak("Usage: OS2::_control87(new,mask)"); |
2202 | { |
2203 | unsigned new = (unsigned)SvIV(ST(0)); |
2204 | unsigned mask = (unsigned)SvIV(ST(1)); |
2205 | unsigned RETVAL; |
2206 | |
2207 | RETVAL = _control87(new, mask); |
2208 | ST(0) = sv_newmortal(); |
2209 | sv_setiv(ST(0), (IV)RETVAL); |
2210 | } |
2211 | XSRETURN(1); |
2212 | } |
2213 | |
2214 | XS(XS_OS2_get_control87) |
2215 | { |
2216 | dXSARGS; |
2217 | if (items != 0) |
2218 | croak("Usage: OS2::get_control87()"); |
2219 | { |
2220 | unsigned RETVAL; |
2221 | |
2222 | RETVAL = get_control87(); |
2223 | ST(0) = sv_newmortal(); |
2224 | sv_setiv(ST(0), (IV)RETVAL); |
2225 | } |
2226 | XSRETURN(1); |
2227 | } |
2228 | |
2229 | |
2230 | XS(XS_OS2_set_control87) |
2231 | { |
2232 | dXSARGS; |
2233 | if (items < 0 || items > 2) |
2234 | croak("Usage: OS2::set_control87(new=MCW_EM, mask=MCW_EM)"); |
2235 | { |
2236 | unsigned new; |
2237 | unsigned mask; |
2238 | unsigned RETVAL; |
2239 | |
2240 | if (items < 1) |
2241 | new = MCW_EM; |
2242 | else { |
2243 | new = (unsigned)SvIV(ST(0)); |
2244 | } |
2245 | |
2246 | if (items < 2) |
2247 | mask = MCW_EM; |
2248 | else { |
2249 | mask = (unsigned)SvIV(ST(1)); |
2250 | } |
2251 | |
2252 | RETVAL = set_control87(new, mask); |
2253 | ST(0) = sv_newmortal(); |
2254 | sv_setiv(ST(0), (IV)RETVAL); |
2255 | } |
2256 | XSRETURN(1); |
2257 | } |
2258 | |
3bbf9c2b |
2259 | int |
23da6c43 |
2260 | Xs_OS2_init(pTHX) |
3bbf9c2b |
2261 | { |
2262 | char *file = __FILE__; |
2263 | { |
2264 | GV *gv; |
55497cff |
2265 | |
2266 | if (_emx_env & 0x200) { /* OS/2 */ |
2267 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
2268 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
2269 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
2270 | } |
4bfbfac5 |
2271 | newXS("OS2::Error", XS_OS2_Error, file); |
2272 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
2273 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
2274 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
2275 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
2276 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
2277 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
2278 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
3bbf9c2b |
2279 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
2280 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
2281 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
2282 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
2283 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
2284 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
2285 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
2286 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
2287 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
5ba48348 |
2288 | newXSproto("OS2::_control87", XS_OS2__control87, file, "$$"); |
2289 | newXSproto("OS2::get_control87", XS_OS2_get_control87, file, ""); |
2290 | newXSproto("OS2::set_control87", XS_OS2_set_control87, file, ";$$"); |
3bbf9c2b |
2291 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
2292 | GvMULTI_on(gv); |
2293 | #ifdef PERL_IS_AOUT |
2294 | sv_setiv(GvSV(gv), 1); |
764df951 |
2295 | #endif |
2296 | gv = gv_fetchpv("OS2::can_fork", TRUE, SVt_PV); |
2297 | GvMULTI_on(gv); |
2298 | sv_setiv(GvSV(gv), exe_is_aout()); |
4bfbfac5 |
2299 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
2300 | GvMULTI_on(gv); |
2301 | sv_setiv(GvSV(gv), _emx_rev); |
2302 | sv_setpv(GvSV(gv), _emx_vprt); |
2303 | SvIOK_on(GvSV(gv)); |
2304 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
2305 | GvMULTI_on(gv); |
2306 | sv_setiv(GvSV(gv), _emx_env); |
2307 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
2308 | GvMULTI_on(gv); |
2309 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
9fed8b87 |
2310 | gv = gv_fetchpv("OS2::nsyserror", TRUE, SVt_PV); |
2311 | GvMULTI_on(gv); |
2312 | sv_setiv(GvSV(gv), 1); /* DEFAULT: Show number on syserror */ |
3bbf9c2b |
2313 | } |
2d766320 |
2314 | return 0; |
3bbf9c2b |
2315 | } |
2316 | |
2317 | OS2_Perl_data_t OS2_Perl_data; |
2318 | |
764df951 |
2319 | extern void _emx_init(void*); |
2320 | |
2321 | static void jmp_out_of_atexit(void); |
2322 | |
2323 | #define FORCE_EMX_INIT_CONTRACT_ARGV 1 |
2324 | #define FORCE_EMX_INIT_INSTALL_ATEXIT 2 |
2325 | |
2326 | static void |
2327 | my_emx_init(void *layout) { |
2328 | static volatile void *p = 0; /* Cannot be on stack! */ |
2329 | |
2330 | /* Can't just call emx_init(), since it moves the stack pointer */ |
2331 | /* It also busts a lot of registers, so be extra careful */ |
2332 | __asm__( "pushf\n" |
2333 | "pusha\n" |
2334 | "movl %%esp, %1\n" |
2335 | "push %0\n" |
2336 | "call __emx_init\n" |
2337 | "movl %1, %%esp\n" |
2338 | "popa\n" |
2339 | "popf\n" : : "r" (layout), "m" (p) ); |
2340 | } |
2341 | |
2342 | struct layout_table_t { |
2343 | ULONG text_base; |
2344 | ULONG text_end; |
2345 | ULONG data_base; |
2346 | ULONG data_end; |
2347 | ULONG bss_base; |
2348 | ULONG bss_end; |
2349 | ULONG heap_base; |
2350 | ULONG heap_end; |
2351 | ULONG heap_brk; |
2352 | ULONG heap_off; |
2353 | ULONG os2_dll; |
2354 | ULONG stack_base; |
2355 | ULONG stack_end; |
2356 | ULONG flags; |
2357 | ULONG reserved[2]; |
2358 | char options[64]; |
2359 | }; |
2360 | |
2361 | static ULONG |
2362 | my_os_version() { |
2363 | static ULONG res; /* Cannot be on stack! */ |
2364 | |
2365 | /* Can't just call emx_init(), since it moves the stack pointer */ |
2366 | /* It also busts a lot of registers, so be extra careful */ |
2367 | __asm__( "pushf\n" |
2368 | "pusha\n" |
2369 | "call ___os_version\n" |
2370 | "movl %%eax, %0\n" |
2371 | "popa\n" |
2372 | "popf\n" : "=m" (res) ); |
2373 | |
2374 | return res; |
2375 | } |
2376 | |
2377 | static void |
2378 | force_init_emx_runtime(EXCEPTIONREGISTRATIONRECORD *preg, ULONG flags) |
2379 | { |
2380 | /* Calling emx_init() will bust the top of stack: it installs an |
2381 | exception handler and puts argv data there. */ |
2382 | char *oldarg, *oldenv; |
2383 | void *oldstackend, *oldstack; |
2384 | PPIB pib; |
2385 | PTIB tib; |
2386 | static ULONG os2_dll; |
2387 | ULONG rc, error = 0, out; |
2388 | char buf[512]; |
2389 | static struct layout_table_t layout_table; |
2390 | struct { |
2391 | char buf[48*1024]; /* _emx_init() requires 32K, cmd.exe has 64K only */ |
2392 | double alignment1; |
2393 | EXCEPTIONREGISTRATIONRECORD xreg; |
2394 | } *newstack; |
2395 | char *s; |
2396 | |
2397 | layout_table.os2_dll = (ULONG)&os2_dll; |
2398 | layout_table.flags = 0x02000002; /* flags: application, OMF */ |
2399 | |
2400 | DosGetInfoBlocks(&tib, &pib); |
2401 | oldarg = pib->pib_pchcmd; |
2402 | oldenv = pib->pib_pchenv; |
2403 | oldstack = tib->tib_pstack; |
2404 | oldstackend = tib->tib_pstacklimit; |
2405 | |
2406 | /* Minimize the damage to the stack via reducing the size of argv. */ |
2407 | if (flags & FORCE_EMX_INIT_CONTRACT_ARGV) { |
2408 | pib->pib_pchcmd = "\0\0"; /* Need 3 concatenated strings */ |
2409 | pib->pib_pchcmd = "\0"; /* Ended by an extra \0. */ |
2410 | } |
2411 | |
2412 | newstack = alloca(sizeof(*newstack)); |
2413 | /* Emulate the stack probe */ |
2414 | s = ((char*)newstack) + sizeof(*newstack); |
2415 | while (s > (char*)newstack) { |
2416 | s[-1] = 0; |
2417 | s -= 4096; |
2418 | } |
2419 | |
2420 | /* Reassigning stack is documented to work */ |
2421 | tib->tib_pstack = (void*)newstack; |
2422 | tib->tib_pstacklimit = (void*)((char*)newstack + sizeof(*newstack)); |
2423 | |
2424 | /* Can't just call emx_init(), since it moves the stack pointer */ |
2425 | my_emx_init((void*)&layout_table); |
2426 | |
2427 | /* Remove the exception handler, cannot use it - too low on the stack. |
2428 | Check whether it is inside the new stack. */ |
2429 | buf[0] = 0; |
2430 | if (tib->tib_pexchain >= tib->tib_pstacklimit |
2431 | || tib->tib_pexchain < tib->tib_pstack) { |
2432 | error = 1; |
2433 | sprintf(buf, |
2434 | "panic: ExceptionHandler misplaced: not %#lx <= %#lx < %#lx\n", |
2435 | (unsigned long)tib->tib_pstack, |
2436 | (unsigned long)tib->tib_pexchain, |
2437 | (unsigned long)tib->tib_pstacklimit); |
2438 | goto finish; |
2439 | } |
2440 | if (tib->tib_pexchain != &(newstack->xreg)) { |
2441 | sprintf(buf, "ExceptionHandler misplaced: %#lx != %#lx\n", |
2442 | (unsigned long)tib->tib_pexchain, |
2443 | (unsigned long)&(newstack->xreg)); |
2444 | } |
2445 | rc = DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)tib->tib_pexchain); |
2446 | if (rc) |
2447 | sprintf(buf + strlen(buf), |
2448 | "warning: DosUnsetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
2449 | |
2450 | if (preg) { |
2451 | /* ExceptionRecords should be on stack, in a correct order. Sigh... */ |
2452 | preg->prev_structure = 0; |
2453 | preg->ExceptionHandler = _emx_exception; |
2454 | rc = DosSetExceptionHandler(preg); |
2455 | if (rc) { |
2456 | sprintf(buf + strlen(buf), |
2457 | "warning: DosSetExceptionHandler rc=%#lx=%lu\n", rc, rc); |
2458 | DosWrite(2, buf, strlen(buf), &out); |
2459 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
2460 | } |
2461 | } else |
2462 | emx_exception_init = 1; /* Do it around spawn*() calls */ |
2463 | |
2464 | finish: |
2465 | /* Restore the damage */ |
2466 | pib->pib_pchcmd = oldarg; |
2467 | pib->pib_pchcmd = oldenv; |
2468 | tib->tib_pstacklimit = oldstackend; |
2469 | tib->tib_pstack = oldstack; |
2470 | emx_runtime_init = 1; |
2471 | if (buf[0]) |
2472 | DosWrite(2, buf, strlen(buf), &out); |
2473 | if (error) |
2474 | exit(56); |
2475 | } |
2476 | |
2477 | jmp_buf at_exit_buf; |
2478 | int longjmp_at_exit; |
2479 | |
2480 | static void |
2481 | jmp_out_of_atexit(void) |
2482 | { |
2483 | if (longjmp_at_exit) |
2484 | longjmp(at_exit_buf, 1); |
2485 | } |
2486 | |
2487 | extern void _CRT_term(void); |
2488 | |
2489 | int emx_runtime_secondary; |
2490 | |
2491 | void |
2492 | Perl_OS2_term(void **p, int exitstatus, int flags) |
2493 | { |
2494 | if (!emx_runtime_secondary) |
2495 | return; |
2496 | |
2497 | /* The principal executable is not running the same CRTL, so there |
2498 | is nobody to shutdown *this* CRTL except us... */ |
2499 | if (flags & FORCE_EMX_DEINIT_EXIT) { |
2500 | if (p && !emx_exception_init) |
2501 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
2502 | /* Do not run the executable's CRTL's termination routines */ |
2503 | exit(exitstatus); /* Run at-exit, flush buffers, etc */ |
2504 | } |
2505 | /* Run at-exit list, and jump out at the end */ |
2506 | if ((flags & FORCE_EMX_DEINIT_RUN_ATEXIT) && !setjmp(at_exit_buf)) { |
2507 | longjmp_at_exit = 1; |
2508 | exit(exitstatus); /* The first pass through "if" */ |
2509 | } |
2510 | |
2511 | /* Get here if we managed to jump out of exit(), or did not run atexit. */ |
2512 | longjmp_at_exit = 0; /* Maybe exit() is called again? */ |
2513 | #if 0 /* _atexit_n is not exported */ |
2514 | if (flags & FORCE_EMX_DEINIT_RUN_ATEXIT) |
2515 | _atexit_n = 0; /* Remove the atexit() handlers */ |
2516 | #endif |
2517 | /* Will segfault on program termination if we leave this dangling... */ |
2518 | if (p && !emx_exception_init) |
2519 | DosUnsetExceptionHandler((EXCEPTIONREGISTRATIONRECORD *)p); |
2520 | /* Typically there is no need to do this, done from _DLL_InitTerm() */ |
2521 | if (flags & FORCE_EMX_DEINIT_CRT_TERM) |
2522 | _CRT_term(); /* Flush buffers, etc. */ |
2523 | /* Now it is a good time to call exit() in the caller's CRTL... */ |
2524 | } |
2525 | |
2526 | #include <emx/startup.h> |
2527 | |
2528 | extern ULONG __os_version(); /* See system.doc */ |
2529 | |
2530 | static int emx_wasnt_initialized; |
2531 | |
2532 | void |
2533 | check_emx_runtime(char **env, EXCEPTIONREGISTRATIONRECORD *preg) |
2534 | { |
2535 | ULONG v_crt, v_emx; |
2536 | |
2537 | /* If _environ is not set, this code sits in a DLL which |
2538 | uses a CRT DLL which not compatible with the executable's |
2539 | CRT library. Some parts of the DLL are not initialized. |
2540 | */ |
2541 | if (_environ != NULL) |
2542 | return; /* Properly initialized */ |
2543 | |
2544 | /* If the executable does not use EMX.DLL, EMX.DLL is not completely |
2545 | initialized either. Uninitialized EMX.DLL returns 0 in the low |
2546 | nibble of __os_version(). */ |
2547 | v_emx = my_os_version(); |
2548 | |
2549 | /* _osmajor and _osminor are normally set in _DLL_InitTerm of CRT DLL |
2550 | (=>_CRT_init=>_entry2) via a call to __os_version(), then |
2551 | reset when the EXE initialization code calls _text=>_init=>_entry2. |
2552 | The first time they are wrongly set to 0; the second time the |
2553 | EXE initialization code had already called emx_init=>initialize1 |
2554 | which correctly set version_major, version_minor used by |
2555 | __os_version(). */ |
2556 | v_crt = (_osmajor | _osminor); |
2557 | |
2558 | if ((_emx_env & 0x200) && !(v_emx & 0xFFFF)) { /* OS/2, EMX uninit. */ |
2559 | force_init_emx_runtime( preg, |
2560 | FORCE_EMX_INIT_CONTRACT_ARGV |
2561 | | FORCE_EMX_INIT_INSTALL_ATEXIT ); |
2562 | emx_wasnt_initialized = 1; |
2563 | /* Update CRTL data basing on now-valid EMX runtime data */ |
2564 | if (!v_crt) { /* The only wrong data are the versions. */ |
2565 | v_emx = my_os_version(); /* *Now* it works */ |
2566 | *(unsigned char *)&_osmajor = v_emx & 0xFF; /* Cast out const */ |
2567 | *(unsigned char *)&_osminor = (v_emx>>8) & 0xFF; |
2568 | } |
2569 | } |
2570 | emx_runtime_secondary = 1; |
2571 | /* if (flags & FORCE_EMX_INIT_INSTALL_ATEXIT) */ |
2572 | atexit(jmp_out_of_atexit); /* Allow run of atexit() w/o exit() */ |
2573 | |
2574 | if (!env) { /* Fetch from the process info block */ |
2575 | int c = 0; |
2576 | PPIB pib; |
2577 | PTIB tib; |
2578 | char *e, **ep; |
2579 | |
2580 | DosGetInfoBlocks(&tib, &pib); |
2581 | e = pib->pib_pchenv; |
2582 | while (*e) { /* Get count */ |
2583 | c++; |
2584 | e = e + strlen(e) + 1; |
2585 | } |
2586 | e = pib->pib_pchenv; |
2587 | while (*e) { /* Get count */ |
2588 | c++; |
2589 | e = e + strlen(e) + 1; |
2590 | } |
2591 | New(1307, env, c + 1, char*); |
2592 | ep = env; |
2593 | e = pib->pib_pchenv; |
2594 | while (c--) { |
2595 | *ep++ = e; |
2596 | e = e + strlen(e) + 1; |
2597 | } |
2598 | *ep = NULL; |
2599 | } |
2600 | _environ = _org_environ = env; |
2601 | } |
2602 | |
2603 | #define ENTRY_POINT 0x10000 |
2604 | |
2605 | static int |
2606 | exe_is_aout(void) |
2607 | { |
2608 | struct layout_table_t *layout; |
2609 | if (emx_wasnt_initialized) |
2610 | return 0; |
2611 | /* Now we know that the principal executable is an EMX application |
2612 | - unless somebody did already play with delayed initialization... */ |
2613 | /* With EMX applications to determine whether it is AOUT one needs |
2614 | to examine the start of the executable to find "layout" */ |
2615 | if ( *(unsigned char*)ENTRY_POINT != 0x68 /* PUSH n */ |
2616 | || *(unsigned char*)(ENTRY_POINT+5) != 0xe8 /* CALL */ |
2617 | || *(unsigned char*)(ENTRY_POINT+10) != 0xeb /* JMP */ |
2618 | || *(unsigned char*)(ENTRY_POINT+12) != 0xe8) /* CALL */ |
2619 | return 0; /* ! EMX executable */ |
2620 | /* Fix alignment */ |
2621 | Copy((char*)(ENTRY_POINT+1), &layout, 1, struct layout_table_t*); |
2622 | return !(layout->flags & 2); |
2623 | } |
2624 | |
3bbf9c2b |
2625 | void |
aa689395 |
2626 | Perl_OS2_init(char **env) |
3bbf9c2b |
2627 | { |
764df951 |
2628 | Perl_OS2_init3(env, 0, 0); |
2629 | } |
2630 | |
2631 | void |
2632 | Perl_OS2_init3(char **env, void **preg, int flags) |
2633 | { |
3bbf9c2b |
2634 | char *shell; |
2635 | |
764df951 |
2636 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
18f739ee |
2637 | MALLOC_INIT; |
764df951 |
2638 | |
2639 | check_emx_runtime(env, (EXCEPTIONREGISTRATIONRECORD *)preg); |
2640 | |
3bbf9c2b |
2641 | settmppath(); |
2642 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
2643 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
6b88bc9c |
2644 | New(1304, PL_sh_path, strlen(SH_PATH) + 1, char); |
2645 | strcpy(PL_sh_path, SH_PATH); |
2646 | PL_sh_path[0] = shell[0]; |
3bbf9c2b |
2647 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
ff68c719 |
2648 | int l = strlen(shell), i; |
3bbf9c2b |
2649 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
2650 | l--; |
2651 | } |
6b88bc9c |
2652 | New(1304, PL_sh_path, l + 8, char); |
2653 | strncpy(PL_sh_path, shell, l); |
2654 | strcpy(PL_sh_path + l, "/sh.exe"); |
ff68c719 |
2655 | for (i = 0; i < l; i++) { |
6b88bc9c |
2656 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
ff68c719 |
2657 | } |
3bbf9c2b |
2658 | } |
dd96f567 |
2659 | MUTEX_INIT(&start_thread_mutex); |
017f25f1 |
2660 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
5ba48348 |
2661 | /* Some DLLs reset FP flags on load. We may have been linked with them */ |
2662 | _control87(MCW_EM, MCW_EM); |
3bbf9c2b |
2663 | } |
2664 | |
55497cff |
2665 | #undef tmpnam |
2666 | #undef tmpfile |
2667 | |
2668 | char * |
2669 | my_tmpnam (char *str) |
2670 | { |
2671 | char *p = getenv("TMP"), *tpath; |
55497cff |
2672 | |
2673 | if (!p) p = getenv("TEMP"); |
2674 | tpath = tempnam(p, "pltmp"); |
2675 | if (str && tpath) { |
2676 | strcpy(str, tpath); |
2677 | return str; |
2678 | } |
2679 | return tpath; |
2680 | } |
2681 | |
2682 | FILE * |
2683 | my_tmpfile () |
2684 | { |
2685 | struct stat s; |
2686 | |
2687 | stat(".", &s); |
2688 | if (s.st_mode & S_IWOTH) { |
2689 | return tmpfile(); |
2690 | } |
2691 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
2692 | grants TMP. */ |
2693 | } |
367f3c24 |
2694 | |
5ba48348 |
2695 | #undef rmdir |
2696 | |
2697 | int |
2698 | my_rmdir (__const__ char *s) |
2699 | { |
2700 | char buf[MAXPATHLEN]; |
2701 | STRLEN l = strlen(s); |
2702 | |
2703 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX rmdir fails... */ |
2704 | strcpy(buf,s); |
2705 | buf[l - 1] = 0; |
2706 | s = buf; |
2707 | } |
2708 | return rmdir(s); |
2709 | } |
2710 | |
2711 | #undef mkdir |
2712 | |
2713 | int |
2714 | my_mkdir (__const__ char *s, long perm) |
2715 | { |
2716 | char buf[MAXPATHLEN]; |
2717 | STRLEN l = strlen(s); |
2718 | |
2719 | if (s[l-1] == '/' || s[l-1] == '\\') { /* EMX mkdir fails... */ |
2720 | strcpy(buf,s); |
2721 | buf[l - 1] = 0; |
2722 | s = buf; |
2723 | } |
2724 | return mkdir(s, perm); |
2725 | } |
2726 | |
367f3c24 |
2727 | #undef flock |
2728 | |
2729 | /* This code was contributed by Rocco Caputo. */ |
2730 | int |
dd96f567 |
2731 | my_flock(int handle, int o) |
367f3c24 |
2732 | { |
2733 | FILELOCK rNull, rFull; |
2734 | ULONG timeout, handle_type, flag_word; |
2735 | APIRET rc; |
2736 | int blocking, shared; |
2737 | static int use_my = -1; |
2738 | |
2739 | if (use_my == -1) { |
2740 | char *s = getenv("USE_PERL_FLOCK"); |
2741 | if (s) |
2742 | use_my = atoi(s); |
2743 | else |
2744 | use_my = 1; |
2745 | } |
2746 | if (!(_emx_env & 0x200) || !use_my) |
dd96f567 |
2747 | return flock(handle, o); /* Delegate to EMX. */ |
367f3c24 |
2748 | |
2749 | // is this a file? |
2750 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
2751 | (handle_type & 0xFF)) |
2752 | { |
2753 | errno = EBADF; |
2754 | return -1; |
2755 | } |
2756 | // set lock/unlock ranges |
2757 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
2758 | rFull.lRange = 0x7FFFFFFF; |
2759 | // set timeout for blocking |
dd96f567 |
2760 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
367f3c24 |
2761 | // shared or exclusive? |
dd96f567 |
2762 | shared = (o & LOCK_SH) ? 1 : 0; |
367f3c24 |
2763 | // do not block the unlock |
dd96f567 |
2764 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
367f3c24 |
2765 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
2766 | switch (rc) { |
2767 | case 0: |
2768 | errno = 0; |
2769 | return 0; |
2770 | case ERROR_INVALID_HANDLE: |
2771 | errno = EBADF; |
2772 | return -1; |
2773 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2774 | errno = ENOLCK; |
2775 | return -1; |
2776 | case ERROR_LOCK_VIOLATION: |
2777 | break; // not an error |
2778 | case ERROR_INVALID_PARAMETER: |
2779 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2780 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2781 | errno = EINVAL; |
2782 | return -1; |
2783 | case ERROR_INTERRUPT: |
2784 | errno = EINTR; |
2785 | return -1; |
2786 | default: |
2787 | errno = EINVAL; |
2788 | return -1; |
2789 | } |
2790 | } |
2791 | // lock may block |
dd96f567 |
2792 | if (o & (LOCK_SH | LOCK_EX)) { |
367f3c24 |
2793 | // for blocking operations |
2794 | for (;;) { |
2795 | rc = |
2796 | DosSetFileLocks( |
2797 | handle, |
2798 | &rNull, |
2799 | &rFull, |
2800 | timeout, |
2801 | shared |
2802 | ); |
2803 | switch (rc) { |
2804 | case 0: |
2805 | errno = 0; |
2806 | return 0; |
2807 | case ERROR_INVALID_HANDLE: |
2808 | errno = EBADF; |
2809 | return -1; |
2810 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2811 | errno = ENOLCK; |
2812 | return -1; |
2813 | case ERROR_LOCK_VIOLATION: |
2814 | if (!blocking) { |
2815 | errno = EWOULDBLOCK; |
2816 | return -1; |
2817 | } |
2818 | break; |
2819 | case ERROR_INVALID_PARAMETER: |
2820 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2821 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2822 | errno = EINVAL; |
2823 | return -1; |
2824 | case ERROR_INTERRUPT: |
2825 | errno = EINTR; |
2826 | return -1; |
2827 | default: |
2828 | errno = EINVAL; |
2829 | return -1; |
2830 | } |
2831 | // give away timeslice |
2832 | DosSleep(1); |
2833 | } |
2834 | } |
2835 | |
2836 | errno = 0; |
2837 | return 0; |
2838 | } |
f72c975a |
2839 | |
2840 | static int pwent_cnt; |
2841 | static int _my_pwent = -1; |
2842 | |
2843 | static int |
2844 | use_my_pwent(void) |
2845 | { |
2846 | if (_my_pwent == -1) { |
2847 | char *s = getenv("USE_PERL_PWENT"); |
2848 | if (s) |
2849 | _my_pwent = atoi(s); |
2850 | else |
2851 | _my_pwent = 1; |
2852 | } |
2853 | return _my_pwent; |
2854 | } |
2855 | |
2856 | #undef setpwent |
2857 | #undef getpwent |
2858 | #undef endpwent |
2859 | |
2860 | void |
2861 | my_setpwent(void) |
2862 | { |
2863 | if (!use_my_pwent()) { |
2864 | setpwent(); /* Delegate to EMX. */ |
2865 | return; |
2866 | } |
2867 | pwent_cnt = 0; |
2868 | } |
2869 | |
2870 | void |
2871 | my_endpwent(void) |
2872 | { |
2873 | if (!use_my_pwent()) { |
2874 | endpwent(); /* Delegate to EMX. */ |
2875 | return; |
2876 | } |
2877 | } |
2878 | |
2879 | struct passwd * |
2880 | my_getpwent (void) |
2881 | { |
2882 | if (!use_my_pwent()) |
2883 | return getpwent(); /* Delegate to EMX. */ |
2884 | if (pwent_cnt++) |
2885 | return 0; // Return one entry only |
2886 | return getpwuid(0); |
2887 | } |
2888 | |
2889 | static int grent_cnt; |
2890 | |
2891 | void |
2892 | setgrent(void) |
2893 | { |
2894 | grent_cnt = 0; |
2895 | } |
2896 | |
2897 | void |
2898 | endgrent(void) |
2899 | { |
2900 | } |
2901 | |
2902 | struct group * |
2903 | getgrent (void) |
2904 | { |
2905 | if (grent_cnt++) |
2906 | return 0; // Return one entry only |
2907 | return getgrgid(0); |
2908 | } |
2909 | |
2910 | #undef getpwuid |
2911 | #undef getpwnam |
2912 | |
2913 | /* Too long to be a crypt() of anything, so it is not-a-valid pw_passwd. */ |
2914 | static const char pw_p[] = "Jf0Wb/BzMFvk7K7lrzK"; |
2915 | |
2916 | static struct passwd * |
2917 | passw_wrap(struct passwd *p) |
2918 | { |
2919 | static struct passwd pw; |
2920 | char *s; |
2921 | |
2922 | if (!p || (p->pw_passwd && *p->pw_passwd)) /* Not a dangerous password */ |
2923 | return p; |
2924 | pw = *p; |
2925 | s = getenv("PW_PASSWD"); |
2926 | if (!s) |
2927 | s = (char*)pw_p; /* Make match impossible */ |
2928 | |
2929 | pw.pw_passwd = s; |
2930 | return &pw; |
2931 | } |
2932 | |
2933 | struct passwd * |
2934 | my_getpwuid (uid_t id) |
2935 | { |
2936 | return passw_wrap(getpwuid(id)); |
2937 | } |
2938 | |
2939 | struct passwd * |
2940 | my_getpwnam (__const__ char *n) |
2941 | { |
2942 | return passw_wrap(getpwnam(n)); |
2943 | } |