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