Commit | Line | Data |
1feb2720 |
1 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
12ca11f6 |
2 | |
fd8cd3a3 |
3 | #if defined(VMS) |
4 | #include <builtins.h> |
5 | #endif |
6 | |
ea0efc06 |
7 | #ifdef WIN32 |
d55594ae |
8 | # include <win32thread.h> |
9 | #else |
0d85d877 |
10 | # ifdef OLD_PTHREADS_API /* Here be dragons. */ |
ba869deb |
11 | # define DETACH(t) \ |
12 | STMT_START { \ |
13 | if (pthread_detach(&(t)->self)) { \ |
14 | MUTEX_UNLOCK(&(t)->mutex); \ |
efc57feb |
15 | Perl_croak_nocontext("panic: DETACH"); \ |
ba869deb |
16 | } \ |
ea0efc06 |
17 | } STMT_END |
ba869deb |
18 | |
19 | # define PERL_GET_CONTEXT Perl_get_context() |
20 | # define PERL_SET_CONTEXT(t) Perl_set_context((void*)t) |
21 | |
0d85d877 |
22 | # define PTHREAD_GETSPECIFIC_INT |
23 | # ifdef DJGPP |
24 | # define pthread_addr_t any_t |
25 | # define NEED_PTHREAD_INIT |
6dc3770d |
26 | # define PTHREAD_CREATE_JOINABLE (1) |
0d85d877 |
27 | # endif |
28 | # ifdef __OPEN_VM |
29 | # define pthread_addr_t void * |
30 | # endif |
31 | # ifdef VMS |
32 | # define pthread_attr_init(a) pthread_attr_create(a) |
33 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s) |
6dc3770d |
34 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
0d85d877 |
35 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
36 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
9bbd4fab |
37 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
0d85d877 |
38 | # endif |
2eb25c99 |
39 | # if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020 |
40 | # define pthread_attr_init(a) pthread_attr_create(a) |
41 | /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */ |
10617789 |
42 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0) |
2eb25c99 |
43 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
44 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
45 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
46 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
47 | # endif |
0d85d877 |
48 | # if defined(DJGPP) || defined(__OPEN_VM) |
49 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s)) |
50 | # define YIELD pthread_yield(NULL) |
51 | # endif |
0d85d877 |
52 | # endif |
2eb25c99 |
53 | # if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020 |
1cfa4ec7 |
54 | # define pthread_mutexattr_default NULL |
0d85d877 |
55 | # define pthread_condattr_default NULL |
2eb25c99 |
56 | # endif |
0d85d877 |
57 | #endif |
58 | |
59 | #ifndef PTHREAD_CREATE |
60 | /* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */ |
61 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d) |
62 | #endif |
63 | |
64 | #ifndef PTHREAD_ATTR_SETDETACHSTATE |
65 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s) |
d55594ae |
66 | #endif |
1cfa4ec7 |
67 | |
ef4af2be |
68 | #ifndef PTHREAD_CREATE_JOINABLE |
69 | # ifdef OLD_PTHREAD_CREATE_JOINABLE |
70 | # define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE |
71 | # else |
72 | # define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */ |
73 | # endif |
74 | #endif |
75 | |
7f3d1cf1 |
76 | #ifdef I_MACH_CTHREADS |
77 | |
78 | /* cthreads interface */ |
79 | |
80 | /* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */ |
81 | |
ba869deb |
82 | #define MUTEX_INIT(m) \ |
83 | STMT_START { \ |
84 | *m = mutex_alloc(); \ |
85 | if (*m) { \ |
86 | mutex_init(*m); \ |
87 | } else { \ |
efc57feb |
88 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
ba869deb |
89 | } \ |
90 | } STMT_END |
91 | |
92 | #define MUTEX_LOCK(m) mutex_lock(*m) |
ba869deb |
93 | #define MUTEX_UNLOCK(m) mutex_unlock(*m) |
ba869deb |
94 | #define MUTEX_DESTROY(m) \ |
95 | STMT_START { \ |
96 | mutex_free(*m); \ |
97 | *m = 0; \ |
98 | } STMT_END |
99 | |
100 | #define COND_INIT(c) \ |
101 | STMT_START { \ |
102 | *c = condition_alloc(); \ |
103 | if (*c) { \ |
104 | condition_init(*c); \ |
105 | } \ |
106 | else { \ |
efc57feb |
107 | Perl_croak_nocontext("panic: COND_INIT"); \ |
ba869deb |
108 | } \ |
109 | } STMT_END |
7f3d1cf1 |
110 | |
111 | #define COND_SIGNAL(c) condition_signal(*c) |
112 | #define COND_BROADCAST(c) condition_broadcast(*c) |
113 | #define COND_WAIT(c, m) condition_wait(*c, *m) |
ba869deb |
114 | #define COND_DESTROY(c) \ |
115 | STMT_START { \ |
116 | condition_free(*c); \ |
117 | *c = 0; \ |
118 | } STMT_END |
7f3d1cf1 |
119 | |
120 | #define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0) |
121 | #define THREAD_POST_CREATE(thr) |
122 | |
123 | #define THREAD_RET_TYPE any_t |
124 | #define THREAD_RET_CAST(x) ((any_t) x) |
125 | |
126 | #define DETACH(t) cthread_detach(t->self) |
127 | #define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self)) |
128 | |
ba869deb |
129 | #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
130 | #define PERL_GET_CONTEXT cthread_data(cthread_self()) |
7f3d1cf1 |
131 | |
132 | #define INIT_THREADS cthread_init() |
133 | #define YIELD cthread_yield() |
ba869deb |
134 | #define ALLOC_THREAD_KEY NOOP |
e1b5da64 |
135 | #define FREE_THREAD_KEY NOOP |
7f3d1cf1 |
136 | #define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
137 | |
138 | #endif /* I_MACH_CTHREADS */ |
139 | |
1cfa4ec7 |
140 | #ifndef YIELD |
e7a4f449 |
141 | # ifdef SCHED_YIELD |
142 | # define YIELD SCHED_YIELD |
143 | # else |
144 | # ifdef HAS_SCHED_YIELD |
145 | # define YIELD sched_yield() |
146 | # else |
147 | # ifdef HAS_PTHREAD_YIELD |
148 | /* pthread_yield(NULL) platforms are expected |
149 | * to have #defined YIELD for themselves. */ |
150 | # define YIELD pthread_yield() |
151 | # endif |
152 | # endif |
153 | # endif |
9731c6ca |
154 | #endif |
11343788 |
155 | |
227c31c3 |
156 | #ifdef __hpux |
157 | # define MUTEX_INIT_NEEDS_MUTEX_ZEROED |
158 | #endif |
159 | |
ea0efc06 |
160 | #ifndef MUTEX_INIT |
ba869deb |
161 | |
162 | # ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED |
227c31c3 |
163 | /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */ |
ba869deb |
164 | # define MUTEX_INIT(m) \ |
227c31c3 |
165 | STMT_START { \ |
166 | Zero((m), 1, perl_mutex); \ |
167 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
efc57feb |
168 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
227c31c3 |
169 | } STMT_END |
ba869deb |
170 | # else |
171 | # define MUTEX_INIT(m) \ |
ea0efc06 |
172 | STMT_START { \ |
173 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
efc57feb |
174 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
ea0efc06 |
175 | } STMT_END |
ba869deb |
176 | # endif |
177 | |
178 | # define MUTEX_LOCK(m) \ |
179 | STMT_START { \ |
180 | if (pthread_mutex_lock((m))) \ |
ba869deb |
181 | Perl_croak_nocontext("panic: MUTEX_LOCK"); \ |
cea2e8a9 |
182 | } STMT_END |
ba869deb |
183 | |
efc57feb |
184 | # define MUTEX_UNLOCK(m) \ |
ba869deb |
185 | STMT_START { \ |
186 | if (pthread_mutex_unlock((m))) \ |
187 | Perl_croak_nocontext("panic: MUTEX_UNLOCK"); \ |
ea0efc06 |
188 | } STMT_END |
ba869deb |
189 | |
190 | # define MUTEX_DESTROY(m) \ |
191 | STMT_START { \ |
192 | if (pthread_mutex_destroy((m))) \ |
efc57feb |
193 | Perl_croak_nocontext("panic: MUTEX_DESTROY"); \ |
ea0efc06 |
194 | } STMT_END |
195 | #endif /* MUTEX_INIT */ |
196 | |
197 | #ifndef COND_INIT |
ba869deb |
198 | # define COND_INIT(c) \ |
ea0efc06 |
199 | STMT_START { \ |
200 | if (pthread_cond_init((c), pthread_condattr_default)) \ |
efc57feb |
201 | Perl_croak_nocontext("panic: COND_INIT"); \ |
ea0efc06 |
202 | } STMT_END |
ba869deb |
203 | |
204 | # define COND_SIGNAL(c) \ |
205 | STMT_START { \ |
206 | if (pthread_cond_signal((c))) \ |
efc57feb |
207 | Perl_croak_nocontext("panic: COND_SIGNAL"); \ |
ea0efc06 |
208 | } STMT_END |
ba869deb |
209 | |
210 | # define COND_BROADCAST(c) \ |
211 | STMT_START { \ |
212 | if (pthread_cond_broadcast((c))) \ |
efc57feb |
213 | Perl_croak_nocontext("panic: COND_BROADCAST"); \ |
ea0efc06 |
214 | } STMT_END |
ba869deb |
215 | |
216 | # define COND_WAIT(c, m) \ |
217 | STMT_START { \ |
218 | if (pthread_cond_wait((c), (m))) \ |
efc57feb |
219 | Perl_croak_nocontext("panic: COND_WAIT"); \ |
ea0efc06 |
220 | } STMT_END |
ba869deb |
221 | |
222 | # define COND_DESTROY(c) \ |
223 | STMT_START { \ |
224 | if (pthread_cond_destroy((c))) \ |
efc57feb |
225 | Perl_croak_nocontext("panic: COND_DESTROY"); \ |
ea0efc06 |
226 | } STMT_END |
227 | #endif /* COND_INIT */ |
33f46ff6 |
228 | |
f826a10b |
229 | /* DETACH(t) must only be called while holding t->mutex */ |
ea0efc06 |
230 | #ifndef DETACH |
ba869deb |
231 | # define DETACH(t) \ |
232 | STMT_START { \ |
233 | if (pthread_detach((t)->self)) { \ |
234 | MUTEX_UNLOCK(&(t)->mutex); \ |
efc57feb |
235 | Perl_croak_nocontext("panic: DETACH"); \ |
ba869deb |
236 | } \ |
ea0efc06 |
237 | } STMT_END |
238 | #endif /* DETACH */ |
33f46ff6 |
239 | |
ea0efc06 |
240 | #ifndef JOIN |
ba869deb |
241 | # define JOIN(t, avp) \ |
242 | STMT_START { \ |
243 | if (pthread_join((t)->self, (void**)(avp))) \ |
efc57feb |
244 | Perl_croak_nocontext("panic: pthread_join"); \ |
ea0efc06 |
245 | } STMT_END |
246 | #endif /* JOIN */ |
247 | |
ba869deb |
248 | #ifndef PERL_GET_CONTEXT |
249 | # define PERL_GET_CONTEXT pthread_getspecific(PL_thr_key) |
250 | #endif |
251 | |
252 | #ifndef PERL_SET_CONTEXT |
253 | # define PERL_SET_CONTEXT(t) \ |
254 | STMT_START { \ |
255 | if (pthread_setspecific(PL_thr_key, (void *)(t))) \ |
efc57feb |
256 | Perl_croak_nocontext("panic: pthread_setspecific"); \ |
ea0efc06 |
257 | } STMT_END |
ba869deb |
258 | #endif /* PERL_SET_CONTEXT */ |
ea0efc06 |
259 | |
1feb2720 |
260 | #ifndef INIT_THREADS |
261 | # ifdef NEED_PTHREAD_INIT |
262 | # define INIT_THREADS pthread_init() |
263 | # endif |
0d85d877 |
264 | #endif |
ea0efc06 |
265 | |
ba869deb |
266 | #ifndef ALLOC_THREAD_KEY |
267 | # define ALLOC_THREAD_KEY \ |
268 | STMT_START { \ |
c44d3fdb |
269 | if (pthread_key_create(&PL_thr_key, 0)) { \ |
7bd161a1 |
270 | PerlIO_printf(PerlIO_stderr(), "panic: pthread_key_create"); \ |
c44d3fdb |
271 | exit(1); \ |
272 | } \ |
ba869deb |
273 | } STMT_END |
274 | #endif |
275 | |
e1b5da64 |
276 | #ifndef FREE_THREAD_KEY |
277 | # define FREE_THREAD_KEY \ |
278 | STMT_START { \ |
279 | pthread_key_delete(PL_thr_key); \ |
280 | } STMT_END |
281 | #endif |
282 | |
1feb2720 |
283 | #ifndef THREAD_RET_TYPE |
284 | # define THREAD_RET_TYPE void * |
285 | # define THREAD_RET_CAST(p) ((void *)(p)) |
286 | #endif /* THREAD_RET */ |
287 | |
288 | #if defined(USE_THREADS) |
289 | |
940cb80d |
290 | /* Accessor for per-thread SVs */ |
1feb2720 |
291 | # define THREADSV(i) (thr->threadsvp[i]) |
940cb80d |
292 | |
293 | /* |
294 | * LOCK_SV_MUTEX and UNLOCK_SV_MUTEX are performance-critical. Here, we |
295 | * try only locking them if there may be more than one thread in existence. |
296 | * Systems with very fast mutexes (and/or slow conditionals) may wish to |
297 | * remove the "if (threadnum) ..." test. |
b099ddc0 |
298 | * XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions! |
940cb80d |
299 | */ |
1feb2720 |
300 | # define LOCK_SV_MUTEX MUTEX_LOCK(&PL_sv_mutex) |
301 | # define UNLOCK_SV_MUTEX MUTEX_UNLOCK(&PL_sv_mutex) |
302 | # define LOCK_STRTAB_MUTEX MUTEX_LOCK(&PL_strtab_mutex) |
303 | # define UNLOCK_STRTAB_MUTEX MUTEX_UNLOCK(&PL_strtab_mutex) |
304 | # define LOCK_CRED_MUTEX MUTEX_LOCK(&PL_cred_mutex) |
305 | # define UNLOCK_CRED_MUTEX MUTEX_UNLOCK(&PL_cred_mutex) |
4755096e |
306 | # define LOCK_FDPID_MUTEX MUTEX_LOCK(&PL_fdpid_mutex) |
307 | # define UNLOCK_FDPID_MUTEX MUTEX_UNLOCK(&PL_fdpid_mutex) |
631cfb58 |
308 | # define LOCK_SV_LOCK_MUTEX MUTEX_LOCK(&PL_sv_lock_mutex) |
309 | # define UNLOCK_SV_LOCK_MUTEX MUTEX_UNLOCK(&PL_sv_lock_mutex) |
11343788 |
310 | |
33f46ff6 |
311 | /* Values and macros for thr->flags */ |
605e5515 |
312 | #define THRf_STATE_MASK 7 |
313 | #define THRf_R_JOINABLE 0 |
314 | #define THRf_R_JOINED 1 |
315 | #define THRf_R_DETACHED 2 |
316 | #define THRf_ZOMBIE 3 |
317 | #define THRf_DEAD 4 |
f93b4edd |
318 | |
458fb581 |
319 | #define THRf_DID_DIE 8 |
07b73707 |
320 | |
f826a10b |
321 | /* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
458fb581 |
322 | #define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
f93b4edd |
323 | #define ThrSETSTATE(t, s) STMT_START { \ |
605e5515 |
324 | (t)->flags &= ~THRf_STATE_MASK; \ |
33f46ff6 |
325 | (t)->flags |= (s); \ |
bf49b057 |
326 | DEBUG_S(PerlIO_printf(Perl_debug_log, \ |
605e5515 |
327 | "thread %p set to state %d\n", (t), (s))); \ |
f93b4edd |
328 | } STMT_END |
329 | |
330 | typedef struct condpair { |
f826a10b |
331 | perl_mutex mutex; /* Protects all other fields */ |
332 | perl_cond owner_cond; /* For when owner changes at all */ |
333 | perl_cond cond; /* For cond_signal and cond_broadcast */ |
334 | Thread owner; /* Currently owning thread */ |
f93b4edd |
335 | } condpair_t; |
336 | |
337 | #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) |
338 | #define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) |
339 | #define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) |
340 | #define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner |
341 | |
11343788 |
342 | #endif /* USE_THREADS */ |
1feb2720 |
343 | #endif /* USE_THREADS || USE_ITHREADS */ |
344 | |
345 | #ifndef MUTEX_LOCK |
346 | # define MUTEX_LOCK(m) |
347 | #endif |
348 | |
1feb2720 |
349 | #ifndef MUTEX_UNLOCK |
350 | # define MUTEX_UNLOCK(m) |
351 | #endif |
1feb2720 |
352 | |
353 | #ifndef MUTEX_INIT |
354 | # define MUTEX_INIT(m) |
355 | #endif |
356 | |
357 | #ifndef MUTEX_DESTROY |
358 | # define MUTEX_DESTROY(m) |
359 | #endif |
360 | |
361 | #ifndef COND_INIT |
362 | # define COND_INIT(c) |
363 | #endif |
364 | |
365 | #ifndef COND_SIGNAL |
366 | # define COND_SIGNAL(c) |
367 | #endif |
368 | |
369 | #ifndef COND_BROADCAST |
370 | # define COND_BROADCAST(c) |
371 | #endif |
372 | |
373 | #ifndef COND_WAIT |
374 | # define COND_WAIT(c, m) |
375 | #endif |
376 | |
377 | #ifndef COND_DESTROY |
378 | # define COND_DESTROY(c) |
379 | #endif |
380 | |
381 | #ifndef LOCK_SV_MUTEX |
382 | # define LOCK_SV_MUTEX |
383 | #endif |
384 | |
385 | #ifndef UNLOCK_SV_MUTEX |
386 | # define UNLOCK_SV_MUTEX |
387 | #endif |
388 | |
389 | #ifndef LOCK_STRTAB_MUTEX |
390 | # define LOCK_STRTAB_MUTEX |
391 | #endif |
392 | |
393 | #ifndef UNLOCK_STRTAB_MUTEX |
394 | # define UNLOCK_STRTAB_MUTEX |
395 | #endif |
396 | |
397 | #ifndef LOCK_CRED_MUTEX |
398 | # define LOCK_CRED_MUTEX |
399 | #endif |
400 | |
401 | #ifndef UNLOCK_CRED_MUTEX |
402 | # define UNLOCK_CRED_MUTEX |
403 | #endif |
404 | |
4755096e |
405 | #ifndef LOCK_FDPID_MUTEX |
406 | # define LOCK_FDPID_MUTEX |
407 | #endif |
408 | |
409 | #ifndef UNLOCK_FDPID_MUTEX |
410 | # define UNLOCK_FDPID_MUTEX |
411 | #endif |
412 | |
631cfb58 |
413 | #ifndef LOCK_SV_LOCK_MUTEX |
414 | # define LOCK_SV_LOCK_MUTEX |
415 | #endif |
416 | |
417 | #ifndef UNLOCK_SV_LOCK_MUTEX |
418 | # define UNLOCK_SV_LOCK_MUTEX |
419 | #endif |
420 | |
ba869deb |
421 | /* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
1feb2720 |
422 | #ifndef THR |
ba869deb |
423 | # define THR PERL_GET_THX |
424 | #endif |
425 | |
426 | #ifndef SET_THR |
427 | # define SET_THR(t) PERL_SET_THX(t) |
1feb2720 |
428 | #endif |
429 | |
430 | #ifndef dTHR |
431 | # define dTHR dNOOP |
432 | #endif |
433 | |
434 | #ifndef INIT_THREADS |
435 | # define INIT_THREADS NOOP |
436 | #endif |