Commit | Line | Data |
68795e93 |
1 | #define PERL_NO_GET_CONTEXT |
2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
73e09c8f |
6 | #ifdef USE_ITHREADS |
7 | |
68795e93 |
8 | #ifdef WIN32 |
9 | #include <windows.h> |
10 | #include <win32thread.h> |
11 | #define PERL_THREAD_SETSPECIFIC(k,v) TlsSetValue(k,v) |
12 | #define PERL_THREAD_GETSPECIFIC(k,v) v = TlsGetValue(k) |
13 | #define PERL_THREAD_ALLOC_SPECIFIC(k) \ |
14 | STMT_START {\ |
15 | if((k = TlsAlloc()) == TLS_OUT_OF_INDEXES) {\ |
16 | PerlIO_printf(PerlIO_stderr(),"panic threads.h: TlsAlloc");\ |
17 | exit(1);\ |
18 | }\ |
19 | } STMT_END |
20 | #else |
21 | #include <pthread.h> |
22 | #include <thread.h> |
23 | |
24 | #define PERL_THREAD_SETSPECIFIC(k,v) pthread_setspecific(k,v) |
25 | #ifdef OLD_PTHREADS_API |
26 | #define PERL_THREAD_DETACH(t) pthread_detach(&(t)) |
27 | #define PERL_THREAD_GETSPECIFIC(k,v) pthread_getspecific(k,&v) |
28 | #define PERL_THREAD_ALLOC_SPECIFIC(k) STMT_START {\ |
29 | if(pthread_keycreate(&(k),0)) {\ |
30 | PerlIO_printf(PerlIO_stderr(), "panic threads.h: pthread_key_create");\ |
31 | exit(1);\ |
32 | }\ |
33 | } STMT_END |
34 | #else |
35 | #define PERL_THREAD_DETACH(t) pthread_detach((t)) |
36 | #define PERL_THREAD_GETSPECIFIC(k,v) v = pthread_getspecific(k) |
37 | #define PERL_THREAD_ALLOC_SPECIFIC(k) STMT_START {\ |
38 | if(pthread_key_create(&(k),0)) {\ |
39 | PerlIO_printf(PerlIO_stderr(), "panic threads.h: pthread_key_create");\ |
40 | exit(1);\ |
41 | }\ |
42 | } STMT_END |
43 | #endif |
44 | #endif |
45 | |
62375a60 |
46 | /* Values for 'state' member */ |
47 | #define PERL_ITHR_JOINABLE 0 |
48 | #define PERL_ITHR_DETACHED 1 |
49 | #define PERL_ITHR_FINISHED 4 |
50 | #define PERL_ITHR_JOINED 2 |
51 | |
68795e93 |
52 | typedef struct ithread_s { |
53 | struct ithread_s *next; /* next thread in the list */ |
54 | struct ithread_s *prev; /* prev thread in the list */ |
55 | PerlInterpreter *interp; /* The threads interpreter */ |
56 | I32 tid; /* threads module's thread id */ |
57 | perl_mutex mutex; /* mutex for updating things in this struct */ |
58 | I32 count; /* how many SVs have a reference to us */ |
62375a60 |
59 | signed char state; /* are we detached ? */ |
a446a88f |
60 | int gimme; /* Context of create */ |
68795e93 |
61 | SV* init_function; /* Code to run */ |
62 | SV* params; /* args to pass function */ |
63 | #ifdef WIN32 |
64 | DWORD thr; /* OS's idea if thread id */ |
65 | HANDLE handle; /* OS's waitable handle */ |
66 | #else |
67 | pthread_t thr; /* OS's handle for the thread */ |
68 | #endif |
69 | } ithread; |
70 | |
71 | ithread *threads; |
72 | |
73 | /* Macros to supply the aTHX_ in an embed.h like manner */ |
74 | #define ithread_join(thread) Perl_ithread_join(aTHX_ thread) |
75 | #define ithread_DESTROY(thread) Perl_ithread_DESTROY(aTHX_ thread) |
76 | #define ithread_CLONE(thread) Perl_ithread_CLONE(aTHX_ thread) |
77 | #define ithread_detach(thread) Perl_ithread_detach(aTHX_ thread) |
78 | #define ithread_tid(thread) ((thread)->tid) |
79 | |
58c2ef19 |
80 | static perl_mutex create_destruct_mutex; /* protects the creation and destruction of threads*/ |
68795e93 |
81 | |
82 | I32 tid_counter = 0; |
62375a60 |
83 | I32 known_threads = 0; |
58c2ef19 |
84 | I32 active_threads = 0; |
68795e93 |
85 | perl_key self_key; |
86 | |
87 | /* |
88 | * Clear up after thread is done with |
89 | */ |
90 | void |
62375a60 |
91 | Perl_ithread_destruct (pTHX_ ithread* thread, const char *why) |
68795e93 |
92 | { |
93 | MUTEX_LOCK(&thread->mutex); |
62375a60 |
94 | if (!thread->next) { |
95 | Perl_croak(aTHX_ "panic: destruct destroyed thread %p (%s)",thread, why); |
96 | } |
68795e93 |
97 | if (thread->count != 0) { |
98 | MUTEX_UNLOCK(&thread->mutex); |
d1400e48 |
99 | return; |
68795e93 |
100 | } |
58c2ef19 |
101 | MUTEX_LOCK(&create_destruct_mutex); |
68795e93 |
102 | /* Remove from circular list of threads */ |
103 | if (thread->next == thread) { |
104 | /* last one should never get here ? */ |
105 | threads = NULL; |
106 | } |
107 | else { |
108 | thread->next->prev = thread->prev->next; |
109 | thread->prev->next = thread->next->prev; |
110 | if (threads == thread) { |
111 | threads = thread->next; |
112 | } |
62375a60 |
113 | thread->next = NULL; |
114 | thread->prev = NULL; |
68795e93 |
115 | } |
62375a60 |
116 | known_threads--; |
117 | assert( known_threads >= 0 ); |
ba14dd9a |
118 | #if 0 |
62375a60 |
119 | Perl_warn(aTHX_ "destruct %d @ %p by %p now %d", |
120 | thread->tid,thread->interp,aTHX, known_threads); |
ba14dd9a |
121 | #endif |
62375a60 |
122 | MUTEX_UNLOCK(&create_destruct_mutex); |
123 | /* Thread is now disowned */ |
68795e93 |
124 | if (thread->interp) { |
68795e93 |
125 | PERL_SET_CONTEXT(thread->interp); |
126 | perl_destruct(thread->interp); |
127 | perl_free(thread->interp); |
128 | thread->interp = NULL; |
129 | } |
130 | PERL_SET_CONTEXT(aTHX); |
d1400e48 |
131 | MUTEX_UNLOCK(&thread->mutex); |
68795e93 |
132 | } |
133 | |
62375a60 |
134 | int |
135 | Perl_ithread_hook(pTHX) |
136 | { |
137 | int veto_cleanup = 0; |
138 | MUTEX_LOCK(&create_destruct_mutex); |
139 | if (aTHX == PL_curinterp && active_threads != 1) { |
140 | Perl_warn(aTHX_ "Cleanup skipped %d active threads", active_threads); |
141 | veto_cleanup = 1; |
142 | } |
143 | MUTEX_UNLOCK(&create_destruct_mutex); |
144 | return veto_cleanup; |
145 | } |
146 | |
147 | void |
148 | Perl_ithread_detach(pTHX_ ithread *thread) |
149 | { |
150 | MUTEX_LOCK(&thread->mutex); |
151 | if (!(thread->state & (PERL_ITHR_DETACHED|PERL_ITHR_JOINED))) { |
152 | thread->state |= PERL_ITHR_DETACHED; |
153 | #ifdef WIN32 |
154 | CloseHandle(thread->handle); |
155 | thread->handle = 0; |
156 | #else |
157 | PERL_THREAD_DETACH(thread->thr); |
158 | #endif |
159 | } |
160 | if ((thread->state & PERL_ITHR_FINISHED) && |
161 | (thread->state & PERL_ITHR_DETACHED)) { |
162 | MUTEX_UNLOCK(&thread->mutex); |
163 | Perl_ithread_destruct(aTHX_ thread, "detach"); |
164 | } |
165 | else { |
166 | MUTEX_UNLOCK(&thread->mutex); |
167 | } |
168 | } |
68795e93 |
169 | |
170 | /* MAGIC (in mg.h sense) hooks */ |
171 | |
172 | int |
173 | ithread_mg_get(pTHX_ SV *sv, MAGIC *mg) |
174 | { |
175 | ithread *thread = (ithread *) mg->mg_ptr; |
176 | SvIVX(sv) = PTR2IV(thread); |
177 | SvIOK_on(sv); |
178 | return 0; |
179 | } |
180 | |
181 | int |
182 | ithread_mg_free(pTHX_ SV *sv, MAGIC *mg) |
183 | { |
184 | ithread *thread = (ithread *) mg->mg_ptr; |
185 | MUTEX_LOCK(&thread->mutex); |
68795e93 |
186 | thread->count--; |
62375a60 |
187 | if (thread->count == 0) { |
188 | if (!(thread->state & (PERL_ITHR_DETACHED|PERL_ITHR_JOINED))) { |
189 | Perl_warn(aTHX_ "Implicit detach"); |
190 | } |
191 | MUTEX_UNLOCK(&thread->mutex); |
192 | Perl_ithread_detach(aTHX_ thread); |
193 | } |
194 | else { |
195 | MUTEX_UNLOCK(&thread->mutex); |
196 | } |
68795e93 |
197 | return 0; |
198 | } |
199 | |
200 | int |
201 | ithread_mg_dup(pTHX_ MAGIC *mg, CLONE_PARAMS *param) |
202 | { |
203 | ithread *thread = (ithread *) mg->mg_ptr; |
204 | MUTEX_LOCK(&thread->mutex); |
68795e93 |
205 | thread->count++; |
206 | MUTEX_UNLOCK(&thread->mutex); |
207 | return 0; |
208 | } |
209 | |
210 | MGVTBL ithread_vtbl = { |
211 | ithread_mg_get, /* get */ |
212 | 0, /* set */ |
213 | 0, /* len */ |
214 | 0, /* clear */ |
215 | ithread_mg_free, /* free */ |
216 | 0, /* copy */ |
217 | ithread_mg_dup /* dup */ |
218 | }; |
219 | |
47ba8780 |
220 | |
47ba8780 |
221 | /* |
b1edfb69 |
222 | * Starts executing the thread. Needs to clean up memory a tad better. |
68795e93 |
223 | * Passed as the C level function to run in the new thread |
b1edfb69 |
224 | */ |
47ba8780 |
225 | |
226 | #ifdef WIN32 |
68795e93 |
227 | THREAD_RET_TYPE |
228 | Perl_ithread_run(LPVOID arg) { |
47ba8780 |
229 | #else |
68795e93 |
230 | void* |
231 | Perl_ithread_run(void * arg) { |
47ba8780 |
232 | #endif |
5b414d21 |
233 | ithread* thread = (ithread*) arg; |
47ba8780 |
234 | dTHXa(thread->interp); |
47ba8780 |
235 | PERL_SET_CONTEXT(thread->interp); |
68795e93 |
236 | PERL_THREAD_SETSPECIFIC(self_key,thread); |
47ba8780 |
237 | |
68795e93 |
238 | #if 0 |
239 | /* Far from clear messing with ->thr child-side is a good idea */ |
240 | MUTEX_LOCK(&thread->mutex); |
47ba8780 |
241 | #ifdef WIN32 |
242 | thread->thr = GetCurrentThreadId(); |
243 | #else |
244 | thread->thr = pthread_self(); |
245 | #endif |
68795e93 |
246 | MUTEX_UNLOCK(&thread->mutex); |
247 | #endif |
47ba8780 |
248 | |
47ba8780 |
249 | PL_perl_destruct_level = 2; |
4f896ddc |
250 | |
47ba8780 |
251 | { |
68795e93 |
252 | AV* params = (AV*) SvRV(thread->params); |
253 | I32 len = av_len(params)+1; |
47ba8780 |
254 | int i; |
255 | dSP; |
47ba8780 |
256 | ENTER; |
257 | SAVETMPS; |
258 | PUSHMARK(SP); |
68795e93 |
259 | for(i = 0; i < len; i++) { |
260 | XPUSHs(av_shift(params)); |
47ba8780 |
261 | } |
262 | PUTBACK; |
a446a88f |
263 | len = call_sv(thread->init_function, thread->gimme|G_EVAL); |
68795e93 |
264 | SPAGAIN; |
a446a88f |
265 | for (i=len-1; i >= 0; i--) { |
e1c44605 |
266 | SV *sv = POPs; |
267 | av_store(params, i, SvREFCNT_inc(sv)); |
a446a88f |
268 | } |
269 | PUTBACK; |
270 | if (SvTRUE(ERRSV)) { |
271 | Perl_warn(aTHX_ "Died:%_",ERRSV); |
272 | } |
47ba8780 |
273 | FREETMPS; |
274 | LEAVE; |
68795e93 |
275 | SvREFCNT_dec(thread->init_function); |
47ba8780 |
276 | } |
277 | |
fd58862f |
278 | PerlIO_flush((PerlIO*)NULL); |
62375a60 |
279 | MUTEX_LOCK(&create_destruct_mutex); |
280 | active_threads--; |
281 | assert( active_threads >= 0 ); |
282 | MUTEX_UNLOCK(&create_destruct_mutex); |
68795e93 |
283 | MUTEX_LOCK(&thread->mutex); |
62375a60 |
284 | thread->state |= PERL_ITHR_FINISHED; |
285 | |
286 | if (thread->state & PERL_ITHR_DETACHED) { |
47ba8780 |
287 | MUTEX_UNLOCK(&thread->mutex); |
a446a88f |
288 | SvREFCNT_dec(thread->params); |
289 | thread->params = Nullsv; |
62375a60 |
290 | Perl_ithread_destruct(aTHX_ thread, "detached finish"); |
47ba8780 |
291 | } else { |
62375a60 |
292 | MUTEX_UNLOCK(&thread->mutex); |
293 | } |
47ba8780 |
294 | #ifdef WIN32 |
295 | return (DWORD)0; |
e8f2bb9a |
296 | #else |
297 | return 0; |
47ba8780 |
298 | #endif |
68795e93 |
299 | } |
300 | |
301 | SV * |
302 | ithread_to_SV(pTHX_ SV *obj, ithread *thread, char *classname, bool inc) |
303 | { |
304 | SV *sv; |
305 | MAGIC *mg; |
306 | if (inc) { |
307 | MUTEX_LOCK(&thread->mutex); |
308 | thread->count++; |
68795e93 |
309 | MUTEX_UNLOCK(&thread->mutex); |
310 | } |
311 | if (!obj) |
312 | obj = newSV(0); |
313 | sv = newSVrv(obj,classname); |
314 | sv_setiv(sv,PTR2IV(thread)); |
315 | mg = sv_magicext(sv,Nullsv,PERL_MAGIC_shared_scalar,&ithread_vtbl,(char *)thread,0); |
316 | mg->mg_flags |= MGf_DUP; |
317 | SvREADONLY_on(sv); |
318 | return obj; |
319 | } |
47ba8780 |
320 | |
68795e93 |
321 | ithread * |
322 | SV_to_ithread(pTHX_ SV *sv) |
323 | { |
324 | ithread *thread; |
325 | if (SvROK(sv)) |
326 | { |
327 | thread = INT2PTR(ithread*, SvIV(SvRV(sv))); |
328 | } |
329 | else |
330 | { |
331 | PERL_THREAD_GETSPECIFIC(self_key,thread); |
332 | } |
333 | return thread; |
47ba8780 |
334 | } |
335 | |
47ba8780 |
336 | /* |
68795e93 |
337 | * iThread->create(); ( aka iThread->new() ) |
338 | * Called in context of parent thread |
b1edfb69 |
339 | */ |
47ba8780 |
340 | |
68795e93 |
341 | SV * |
342 | Perl_ithread_create(pTHX_ SV *obj, char* classname, SV* init_function, SV* params) |
343 | { |
344 | ithread* thread; |
345 | CLONE_PARAMS clone_param; |
346 | |
58c2ef19 |
347 | MUTEX_LOCK(&create_destruct_mutex); |
68795e93 |
348 | thread = PerlMemShared_malloc(sizeof(ithread)); |
349 | Zero(thread,1,ithread); |
350 | thread->next = threads; |
351 | thread->prev = threads->prev; |
352 | thread->prev->next = thread; |
353 | /* Set count to 1 immediately in case thread exits before |
354 | * we return to caller ! |
355 | */ |
356 | thread->count = 1; |
357 | MUTEX_INIT(&thread->mutex); |
358 | thread->tid = tid_counter++; |
a446a88f |
359 | thread->gimme = GIMME_V; |
62375a60 |
360 | thread->state = (thread->gimme == G_VOID) ? 1 : 0; |
4f896ddc |
361 | |
68795e93 |
362 | /* "Clone" our interpreter into the thread's interpreter |
363 | * This gives thread access to "static data" and code. |
364 | */ |
47ba8780 |
365 | |
68795e93 |
366 | PerlIO_flush((PerlIO*)NULL); |
cd8c9bf8 |
367 | |
47ba8780 |
368 | #ifdef WIN32 |
68795e93 |
369 | thread->interp = perl_clone(aTHX, CLONEf_KEEP_PTR_TABLE | CLONEf_CLONE_HOST); |
47ba8780 |
370 | #else |
68795e93 |
371 | thread->interp = perl_clone(aTHX, CLONEf_KEEP_PTR_TABLE); |
47ba8780 |
372 | #endif |
ba14dd9a |
373 | /* perl_clone leaves us in new interpreter's context. |
374 | As it is tricky to spot implcit aTHX create a new scope |
a446a88f |
375 | with aTHX matching the context for the duration of |
ba14dd9a |
376 | our work for new interpreter. |
377 | */ |
378 | { |
379 | dTHXa(thread->interp); |
58c2ef19 |
380 | /* Here we remove END blocks since they should only run |
62375a60 |
381 | in the thread they are created |
58c2ef19 |
382 | */ |
383 | SvREFCNT_dec(PL_endav); |
384 | PL_endav = newAV(); |
d1400e48 |
385 | clone_param.flags = 0; |
ba14dd9a |
386 | thread->init_function = sv_dup(init_function, &clone_param); |
387 | if (SvREFCNT(thread->init_function) == 0) { |
388 | SvREFCNT_inc(thread->init_function); |
d1400e48 |
389 | } |
ba14dd9a |
390 | |
391 | thread->params = sv_dup(params, &clone_param); |
392 | SvREFCNT_inc(thread->params); |
393 | SvTEMP_off(thread->init_function); |
394 | ptr_table_free(PL_ptr_table); |
395 | PL_ptr_table = NULL; |
396 | } |
d1400e48 |
397 | |
68795e93 |
398 | PERL_SET_CONTEXT(aTHX); |
47ba8780 |
399 | |
68795e93 |
400 | /* Start the thread */ |
47ba8780 |
401 | |
402 | #ifdef WIN32 |
403 | |
68795e93 |
404 | thread->handle = CreateThread(NULL, 0, Perl_ithread_run, |
47ba8780 |
405 | (LPVOID)thread, 0, &thread->thr); |
406 | |
82c40bf6 |
407 | #else |
fa26028c |
408 | { |
409 | static pthread_attr_t attr; |
410 | static int attr_inited = 0; |
fa26028c |
411 | static int attr_joinable = PTHREAD_CREATE_JOINABLE; |
412 | if (!attr_inited) { |
413 | attr_inited = 1; |
414 | pthread_attr_init(&attr); |
415 | } |
416 | # ifdef PTHREAD_ATTR_SETDETACHSTATE |
417 | PTHREAD_ATTR_SETDETACHSTATE(&attr, attr_joinable); |
418 | # endif |
3eb37d38 |
419 | # ifdef THREAD_CREATE_NEEDS_STACK |
420 | if(pthread_attr_setstacksize(&attr, THREAD_CREATE_NEEDS_STACK)) |
421 | croak("panic: pthread_attr_setstacksize failed"); |
422 | # endif |
423 | |
3ad0b7d6 |
424 | #ifdef OLD_PTHREADS_API |
68795e93 |
425 | pthread_create( &thread->thr, attr, Perl_ithread_run, (void *)thread); |
47ba8780 |
426 | #else |
68795e93 |
427 | pthread_create( &thread->thr, &attr, Perl_ithread_run, (void *)thread); |
47ba8780 |
428 | #endif |
3ad0b7d6 |
429 | } |
82c40bf6 |
430 | #endif |
62375a60 |
431 | known_threads++; |
58c2ef19 |
432 | active_threads++; |
433 | MUTEX_UNLOCK(&create_destruct_mutex); |
68795e93 |
434 | return ithread_to_SV(aTHX_ obj, thread, classname, FALSE); |
435 | } |
47ba8780 |
436 | |
68795e93 |
437 | SV* |
438 | Perl_ithread_self (pTHX_ SV *obj, char* Class) |
439 | { |
440 | ithread *thread; |
441 | PERL_THREAD_GETSPECIFIC(self_key,thread); |
442 | return ithread_to_SV(aTHX_ obj, thread, Class, TRUE); |
47ba8780 |
443 | } |
444 | |
445 | /* |
e1c44605 |
446 | * Joins the thread this code needs to take the returnvalue from the |
68795e93 |
447 | * call_sv and send it back |
b1edfb69 |
448 | */ |
47ba8780 |
449 | |
68795e93 |
450 | void |
451 | Perl_ithread_CLONE(pTHX_ SV *obj) |
452 | { |
453 | if (SvROK(obj)) |
454 | { |
455 | ithread *thread = SV_to_ithread(aTHX_ obj); |
456 | } |
457 | else |
458 | { |
459 | Perl_warn(aTHX_ "CLONE %_",obj); |
460 | } |
47ba8780 |
461 | } |
462 | |
62375a60 |
463 | AV* |
68795e93 |
464 | Perl_ithread_join(pTHX_ SV *obj) |
465 | { |
466 | ithread *thread = SV_to_ithread(aTHX_ obj); |
467 | MUTEX_LOCK(&thread->mutex); |
62375a60 |
468 | if (thread->state & PERL_ITHR_DETACHED) { |
a446a88f |
469 | MUTEX_UNLOCK(&thread->mutex); |
470 | Perl_croak(aTHX_ "Cannot join a detached thread"); |
471 | } |
62375a60 |
472 | else if (thread->state & PERL_ITHR_JOINED) { |
a446a88f |
473 | MUTEX_UNLOCK(&thread->mutex); |
474 | Perl_croak(aTHX_ "Thread already joined"); |
475 | } |
476 | else { |
e1c44605 |
477 | AV* retparam; |
47ba8780 |
478 | #ifdef WIN32 |
479 | DWORD waitcode; |
47ba8780 |
480 | #else |
481 | void *retval; |
47ba8780 |
482 | #endif |
47ba8780 |
483 | MUTEX_UNLOCK(&thread->mutex); |
68795e93 |
484 | #ifdef WIN32 |
485 | waitcode = WaitForSingleObject(thread->handle, INFINITE); |
486 | #else |
487 | pthread_join(thread->thr,&retval); |
488 | #endif |
47ba8780 |
489 | MUTEX_LOCK(&thread->mutex); |
e1c44605 |
490 | |
62375a60 |
491 | /* sv_dup over the args */ |
e1c44605 |
492 | { |
62375a60 |
493 | AV* params = (AV*) SvRV(thread->params); |
e1c44605 |
494 | CLONE_PARAMS clone_params; |
3275ba96 |
495 | clone_params.stashes = newAV(); |
e1c44605 |
496 | PL_ptr_table = ptr_table_new(); |
497 | retparam = (AV*) sv_dup((SV*)params, &clone_params); |
3275ba96 |
498 | SvREFCNT_dec(clone_params.stashes); |
e1c44605 |
499 | SvREFCNT_inc(retparam); |
500 | ptr_table_free(PL_ptr_table); |
501 | PL_ptr_table = NULL; |
502 | |
503 | } |
a446a88f |
504 | /* We have finished with it */ |
62375a60 |
505 | thread->state |= PERL_ITHR_JOINED; |
47ba8780 |
506 | MUTEX_UNLOCK(&thread->mutex); |
68795e93 |
507 | sv_unmagic(SvRV(obj),PERL_MAGIC_shared_scalar); |
62375a60 |
508 | Perl_ithread_destruct(aTHX_ thread, "joined"); |
e1c44605 |
509 | return retparam; |
68795e93 |
510 | } |
e1c44605 |
511 | return (AV*)NULL; |
47ba8780 |
512 | } |
513 | |
68795e93 |
514 | void |
68795e93 |
515 | Perl_ithread_DESTROY(pTHX_ SV *sv) |
516 | { |
517 | ithread *thread = SV_to_ithread(aTHX_ sv); |
68795e93 |
518 | sv_unmagic(SvRV(sv),PERL_MAGIC_shared_scalar); |
519 | } |
8222d950 |
520 | |
73e09c8f |
521 | #endif /* USE_ITHREADS */ |
e1c44605 |
522 | |
68795e93 |
523 | MODULE = threads PACKAGE = threads PREFIX = ithread_ |
524 | PROTOTYPES: DISABLE |
8222d950 |
525 | |
73e09c8f |
526 | #ifdef USE_ITHREADS |
527 | |
68795e93 |
528 | void |
529 | ithread_new (classname, function_to_call, ...) |
530 | char * classname |
531 | SV * function_to_call |
532 | CODE: |
533 | { |
534 | AV* params = newAV(); |
535 | if (items > 2) { |
536 | int i; |
537 | for(i = 2; i < items ; i++) { |
538 | av_push(params, ST(i)); |
539 | } |
540 | } |
541 | ST(0) = sv_2mortal(Perl_ithread_create(aTHX_ Nullsv, classname, function_to_call, newRV_noinc((SV*) params))); |
542 | XSRETURN(1); |
543 | } |
8222d950 |
544 | |
68795e93 |
545 | void |
546 | ithread_self(char *classname) |
547 | CODE: |
548 | { |
549 | ST(0) = sv_2mortal(Perl_ithread_self(aTHX_ Nullsv,classname)); |
550 | XSRETURN(1); |
551 | } |
47ba8780 |
552 | |
553 | int |
68795e93 |
554 | ithread_tid(ithread *thread) |
47ba8780 |
555 | |
556 | void |
68795e93 |
557 | ithread_join(SV *obj) |
e1c44605 |
558 | PPCODE: |
559 | { |
560 | AV* params = Perl_ithread_join(aTHX_ obj); |
561 | int i; |
562 | I32 len = AvFILL(params); |
563 | for (i = 0; i <= len; i++) { |
564 | XPUSHs(av_shift(params)); |
565 | } |
566 | SvREFCNT_dec(params); |
567 | } |
568 | |
47ba8780 |
569 | |
570 | void |
68795e93 |
571 | ithread_detach(ithread *thread) |
47ba8780 |
572 | |
47ba8780 |
573 | void |
68795e93 |
574 | ithread_DESTROY(SV *thread) |
575 | |
73e09c8f |
576 | #endif /* USE_ITHREADS */ |
577 | |
68795e93 |
578 | BOOT: |
579 | { |
73e09c8f |
580 | #ifdef USE_ITHREADS |
68795e93 |
581 | ithread* thread; |
e1c44605 |
582 | PL_perl_destruct_level = 2; |
68795e93 |
583 | PERL_THREAD_ALLOC_SPECIFIC(self_key); |
58c2ef19 |
584 | MUTEX_INIT(&create_destruct_mutex); |
585 | MUTEX_LOCK(&create_destruct_mutex); |
62375a60 |
586 | PL_threadhook = &Perl_ithread_hook; |
68795e93 |
587 | thread = PerlMemShared_malloc(sizeof(ithread)); |
588 | Zero(thread,1,ithread); |
589 | PL_perl_destruct_level = 2; |
590 | MUTEX_INIT(&thread->mutex); |
591 | threads = thread; |
592 | thread->next = thread; |
593 | thread->prev = thread; |
594 | thread->interp = aTHX; |
595 | thread->count = 1; /* imortal */ |
596 | thread->tid = tid_counter++; |
62375a60 |
597 | known_threads++; |
58c2ef19 |
598 | active_threads++; |
62375a60 |
599 | thread->state = 1; |
68795e93 |
600 | #ifdef WIN32 |
601 | thread->thr = GetCurrentThreadId(); |
602 | #else |
603 | thread->thr = pthread_self(); |
604 | #endif |
62375a60 |
605 | |
68795e93 |
606 | PERL_THREAD_SETSPECIFIC(self_key,thread); |
58c2ef19 |
607 | MUTEX_UNLOCK(&create_destruct_mutex); |
73e09c8f |
608 | #endif /* USE_ITHREADS */ |
68795e93 |
609 | } |
610 | |