| Commit | Line | Data |
|---|
| 1feb2720 |
1 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
| 12ca11f6 |
2 | |
| ea0efc06 |
3 | #ifdef WIN32 |
| d55594ae |
4 | # include <win32thread.h> |
| 5 | #else |
| 0d85d877 |
6 | # ifdef OLD_PTHREADS_API /* Here be dragons. */ |
| ba869deb |
7 | # define DETACH(t) \ |
| 8 | STMT_START { \ |
| 9 | if (pthread_detach(&(t)->self)) { \ |
| 10 | MUTEX_UNLOCK(&(t)->mutex); \ |
| efc57feb |
11 | Perl_croak_nocontext("panic: DETACH"); \ |
| ba869deb |
12 | } \ |
| ea0efc06 |
13 | } STMT_END |
| ba869deb |
14 | |
| 15 | # define PERL_GET_CONTEXT Perl_get_context() |
| 16 | # define PERL_SET_CONTEXT(t) Perl_set_context((void*)t) |
| 17 | |
| 0d85d877 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
67 | #define MUTEX_INIT(m) \ |
| 68 | STMT_START { \ |
| 69 | *m = mutex_alloc(); \ |
| 70 | if (*m) { \ |
| 71 | mutex_init(*m); \ |
| 72 | } else { \ |
| efc57feb |
73 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
| ba869deb |
74 | } \ |
| 75 | } STMT_END |
| 76 | |
| 77 | #define MUTEX_LOCK(m) mutex_lock(*m) |
| ba869deb |
78 | #define MUTEX_UNLOCK(m) mutex_unlock(*m) |
| ba869deb |
79 | #define MUTEX_DESTROY(m) \ |
| 80 | STMT_START { \ |
| 81 | mutex_free(*m); \ |
| 82 | *m = 0; \ |
| 83 | } STMT_END |
| 84 | |
| 85 | #define COND_INIT(c) \ |
| 86 | STMT_START { \ |
| 87 | *c = condition_alloc(); \ |
| 88 | if (*c) { \ |
| 89 | condition_init(*c); \ |
| 90 | } \ |
| 91 | else { \ |
| efc57feb |
92 | Perl_croak_nocontext("panic: COND_INIT"); \ |
| ba869deb |
93 | } \ |
| 94 | } STMT_END |
| 7f3d1cf1 |
95 | |
| 96 | #define COND_SIGNAL(c) condition_signal(*c) |
| 97 | #define COND_BROADCAST(c) condition_broadcast(*c) |
| 98 | #define COND_WAIT(c, m) condition_wait(*c, *m) |
| ba869deb |
99 | #define COND_DESTROY(c) \ |
| 100 | STMT_START { \ |
| 101 | condition_free(*c); \ |
| 102 | *c = 0; \ |
| 103 | } STMT_END |
| 7f3d1cf1 |
104 | |
| 105 | #define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0) |
| 106 | #define THREAD_POST_CREATE(thr) |
| 107 | |
| 108 | #define THREAD_RET_TYPE any_t |
| 109 | #define THREAD_RET_CAST(x) ((any_t) x) |
| 110 | |
| 111 | #define DETACH(t) cthread_detach(t->self) |
| 112 | #define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self)) |
| 113 | |
| ba869deb |
114 | #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
| 115 | #define PERL_GET_CONTEXT cthread_data(cthread_self()) |
| 7f3d1cf1 |
116 | |
| 117 | #define INIT_THREADS cthread_init() |
| 118 | #define YIELD cthread_yield() |
| ba869deb |
119 | #define ALLOC_THREAD_KEY NOOP |
| 7f3d1cf1 |
120 | #define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
| 121 | |
| 122 | #endif /* I_MACH_CTHREADS */ |
| 123 | |
| 1cfa4ec7 |
124 | #ifndef YIELD |
| e7a4f449 |
125 | # ifdef SCHED_YIELD |
| 126 | # define YIELD SCHED_YIELD |
| 127 | # else |
| 128 | # ifdef HAS_SCHED_YIELD |
| 129 | # define YIELD sched_yield() |
| 130 | # else |
| 131 | # ifdef HAS_PTHREAD_YIELD |
| 132 | /* pthread_yield(NULL) platforms are expected |
| 133 | * to have #defined YIELD for themselves. */ |
| 134 | # define YIELD pthread_yield() |
| 135 | # endif |
| 136 | # endif |
| 137 | # endif |
| 9731c6ca |
138 | #endif |
| 11343788 |
139 | |
| 227c31c3 |
140 | #ifdef __hpux |
| 141 | # define MUTEX_INIT_NEEDS_MUTEX_ZEROED |
| 142 | #endif |
| 143 | |
| ea0efc06 |
144 | #ifndef MUTEX_INIT |
| ba869deb |
145 | |
| 146 | # ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED |
| 227c31c3 |
147 | /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */ |
| ba869deb |
148 | # define MUTEX_INIT(m) \ |
| 227c31c3 |
149 | STMT_START { \ |
| 150 | Zero((m), 1, perl_mutex); \ |
| 151 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
| efc57feb |
152 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
| 227c31c3 |
153 | } STMT_END |
| ba869deb |
154 | # else |
| 155 | # define MUTEX_INIT(m) \ |
| ea0efc06 |
156 | STMT_START { \ |
| 157 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
| efc57feb |
158 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
| ea0efc06 |
159 | } STMT_END |
| ba869deb |
160 | # endif |
| 161 | |
| 162 | # define MUTEX_LOCK(m) \ |
| 163 | STMT_START { \ |
| 164 | if (pthread_mutex_lock((m))) \ |
| ba869deb |
165 | Perl_croak_nocontext("panic: MUTEX_LOCK"); \ |
| cea2e8a9 |
166 | } STMT_END |
| ba869deb |
167 | |
| efc57feb |
168 | # define MUTEX_UNLOCK(m) \ |
| ba869deb |
169 | STMT_START { \ |
| 170 | if (pthread_mutex_unlock((m))) \ |
| 171 | Perl_croak_nocontext("panic: MUTEX_UNLOCK"); \ |
| ea0efc06 |
172 | } STMT_END |
| ba869deb |
173 | |
| 174 | # define MUTEX_DESTROY(m) \ |
| 175 | STMT_START { \ |
| 176 | if (pthread_mutex_destroy((m))) \ |
| efc57feb |
177 | Perl_croak_nocontext("panic: MUTEX_DESTROY"); \ |
| ea0efc06 |
178 | } STMT_END |
| 179 | #endif /* MUTEX_INIT */ |
| 180 | |
| 181 | #ifndef COND_INIT |
| ba869deb |
182 | # define COND_INIT(c) \ |
| ea0efc06 |
183 | STMT_START { \ |
| 184 | if (pthread_cond_init((c), pthread_condattr_default)) \ |
| efc57feb |
185 | Perl_croak_nocontext("panic: COND_INIT"); \ |
| ea0efc06 |
186 | } STMT_END |
| ba869deb |
187 | |
| 188 | # define COND_SIGNAL(c) \ |
| 189 | STMT_START { \ |
| 190 | if (pthread_cond_signal((c))) \ |
| efc57feb |
191 | Perl_croak_nocontext("panic: COND_SIGNAL"); \ |
| ea0efc06 |
192 | } STMT_END |
| ba869deb |
193 | |
| 194 | # define COND_BROADCAST(c) \ |
| 195 | STMT_START { \ |
| 196 | if (pthread_cond_broadcast((c))) \ |
| efc57feb |
197 | Perl_croak_nocontext("panic: COND_BROADCAST"); \ |
| ea0efc06 |
198 | } STMT_END |
| ba869deb |
199 | |
| 200 | # define COND_WAIT(c, m) \ |
| 201 | STMT_START { \ |
| 202 | if (pthread_cond_wait((c), (m))) \ |
| efc57feb |
203 | Perl_croak_nocontext("panic: COND_WAIT"); \ |
| ea0efc06 |
204 | } STMT_END |
| ba869deb |
205 | |
| 206 | # define COND_DESTROY(c) \ |
| 207 | STMT_START { \ |
| 208 | if (pthread_cond_destroy((c))) \ |
| efc57feb |
209 | Perl_croak_nocontext("panic: COND_DESTROY"); \ |
| ea0efc06 |
210 | } STMT_END |
| 211 | #endif /* COND_INIT */ |
| 33f46ff6 |
212 | |
| f826a10b |
213 | /* DETACH(t) must only be called while holding t->mutex */ |
| ea0efc06 |
214 | #ifndef DETACH |
| ba869deb |
215 | # define DETACH(t) \ |
| 216 | STMT_START { \ |
| 217 | if (pthread_detach((t)->self)) { \ |
| 218 | MUTEX_UNLOCK(&(t)->mutex); \ |
| efc57feb |
219 | Perl_croak_nocontext("panic: DETACH"); \ |
| ba869deb |
220 | } \ |
| ea0efc06 |
221 | } STMT_END |
| 222 | #endif /* DETACH */ |
| 33f46ff6 |
223 | |
| ea0efc06 |
224 | #ifndef JOIN |
| ba869deb |
225 | # define JOIN(t, avp) \ |
| 226 | STMT_START { \ |
| 227 | if (pthread_join((t)->self, (void**)(avp))) \ |
| efc57feb |
228 | Perl_croak_nocontext("panic: pthread_join"); \ |
| ea0efc06 |
229 | } STMT_END |
| 230 | #endif /* JOIN */ |
| 231 | |
| ba869deb |
232 | #ifndef PERL_GET_CONTEXT |
| 233 | # define PERL_GET_CONTEXT pthread_getspecific(PL_thr_key) |
| 234 | #endif |
| 235 | |
| 236 | #ifndef PERL_SET_CONTEXT |
| 237 | # define PERL_SET_CONTEXT(t) \ |
| 238 | STMT_START { \ |
| 239 | if (pthread_setspecific(PL_thr_key, (void *)(t))) \ |
| efc57feb |
240 | Perl_croak_nocontext("panic: pthread_setspecific"); \ |
| ea0efc06 |
241 | } STMT_END |
| ba869deb |
242 | #endif /* PERL_SET_CONTEXT */ |
| ea0efc06 |
243 | |
| 1feb2720 |
244 | #ifndef INIT_THREADS |
| 245 | # ifdef NEED_PTHREAD_INIT |
| 246 | # define INIT_THREADS pthread_init() |
| 247 | # endif |
| 0d85d877 |
248 | #endif |
| ea0efc06 |
249 | |
| ba869deb |
250 | #ifndef ALLOC_THREAD_KEY |
| 251 | # define ALLOC_THREAD_KEY \ |
| 252 | STMT_START { \ |
| c44d3fdb |
253 | if (pthread_key_create(&PL_thr_key, 0)) { \ |
| 254 | fprintf(stderr, "panic: pthread_key_create"); \ |
| 255 | exit(1); \ |
| 256 | } \ |
| ba869deb |
257 | } STMT_END |
| 258 | #endif |
| 259 | |
| 1feb2720 |
260 | #ifndef THREAD_RET_TYPE |
| 261 | # define THREAD_RET_TYPE void * |
| 262 | # define THREAD_RET_CAST(p) ((void *)(p)) |
| 263 | #endif /* THREAD_RET */ |
| 264 | |
| 265 | #if defined(USE_THREADS) |
| 266 | |
| 940cb80d |
267 | /* Accessor for per-thread SVs */ |
| 1feb2720 |
268 | # define THREADSV(i) (thr->threadsvp[i]) |
| 940cb80d |
269 | |
| 270 | /* |
| 271 | * LOCK_SV_MUTEX and UNLOCK_SV_MUTEX are performance-critical. Here, we |
| 272 | * try only locking them if there may be more than one thread in existence. |
| 273 | * Systems with very fast mutexes (and/or slow conditionals) may wish to |
| 274 | * remove the "if (threadnum) ..." test. |
| b099ddc0 |
275 | * XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions! |
| 940cb80d |
276 | */ |
| 1feb2720 |
277 | # define LOCK_SV_MUTEX MUTEX_LOCK(&PL_sv_mutex) |
| 278 | # define UNLOCK_SV_MUTEX MUTEX_UNLOCK(&PL_sv_mutex) |
| 279 | # define LOCK_STRTAB_MUTEX MUTEX_LOCK(&PL_strtab_mutex) |
| 280 | # define UNLOCK_STRTAB_MUTEX MUTEX_UNLOCK(&PL_strtab_mutex) |
| 281 | # define LOCK_CRED_MUTEX MUTEX_LOCK(&PL_cred_mutex) |
| 282 | # define UNLOCK_CRED_MUTEX MUTEX_UNLOCK(&PL_cred_mutex) |
| 4755096e |
283 | # define LOCK_FDPID_MUTEX MUTEX_LOCK(&PL_fdpid_mutex) |
| 284 | # define UNLOCK_FDPID_MUTEX MUTEX_UNLOCK(&PL_fdpid_mutex) |
| 631cfb58 |
285 | # define LOCK_SV_LOCK_MUTEX MUTEX_LOCK(&PL_sv_lock_mutex) |
| 286 | # define UNLOCK_SV_LOCK_MUTEX MUTEX_UNLOCK(&PL_sv_lock_mutex) |
| 11343788 |
287 | |
| 33f46ff6 |
288 | /* Values and macros for thr->flags */ |
| 605e5515 |
289 | #define THRf_STATE_MASK 7 |
| 290 | #define THRf_R_JOINABLE 0 |
| 291 | #define THRf_R_JOINED 1 |
| 292 | #define THRf_R_DETACHED 2 |
| 293 | #define THRf_ZOMBIE 3 |
| 294 | #define THRf_DEAD 4 |
| f93b4edd |
295 | |
| 458fb581 |
296 | #define THRf_DID_DIE 8 |
| 07b73707 |
297 | |
| f826a10b |
298 | /* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
| 458fb581 |
299 | #define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
| f93b4edd |
300 | #define ThrSETSTATE(t, s) STMT_START { \ |
| 605e5515 |
301 | (t)->flags &= ~THRf_STATE_MASK; \ |
| 33f46ff6 |
302 | (t)->flags |= (s); \ |
| bf49b057 |
303 | DEBUG_S(PerlIO_printf(Perl_debug_log, \ |
| 605e5515 |
304 | "thread %p set to state %d\n", (t), (s))); \ |
| f93b4edd |
305 | } STMT_END |
| 306 | |
| 307 | typedef struct condpair { |
| f826a10b |
308 | perl_mutex mutex; /* Protects all other fields */ |
| 309 | perl_cond owner_cond; /* For when owner changes at all */ |
| 310 | perl_cond cond; /* For cond_signal and cond_broadcast */ |
| 311 | Thread owner; /* Currently owning thread */ |
| f93b4edd |
312 | } condpair_t; |
| 313 | |
| 314 | #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) |
| 315 | #define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) |
| 316 | #define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) |
| 317 | #define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner |
| 318 | |
| 11343788 |
319 | #endif /* USE_THREADS */ |
| 1feb2720 |
320 | #endif /* USE_THREADS || USE_ITHREADS */ |
| 321 | |
| 322 | #ifndef MUTEX_LOCK |
| 323 | # define MUTEX_LOCK(m) |
| 324 | #endif |
| 325 | |
| 1feb2720 |
326 | #ifndef MUTEX_UNLOCK |
| 327 | # define MUTEX_UNLOCK(m) |
| 328 | #endif |
| 1feb2720 |
329 | |
| 330 | #ifndef MUTEX_INIT |
| 331 | # define MUTEX_INIT(m) |
| 332 | #endif |
| 333 | |
| 334 | #ifndef MUTEX_DESTROY |
| 335 | # define MUTEX_DESTROY(m) |
| 336 | #endif |
| 337 | |
| 338 | #ifndef COND_INIT |
| 339 | # define COND_INIT(c) |
| 340 | #endif |
| 341 | |
| 342 | #ifndef COND_SIGNAL |
| 343 | # define COND_SIGNAL(c) |
| 344 | #endif |
| 345 | |
| 346 | #ifndef COND_BROADCAST |
| 347 | # define COND_BROADCAST(c) |
| 348 | #endif |
| 349 | |
| 350 | #ifndef COND_WAIT |
| 351 | # define COND_WAIT(c, m) |
| 352 | #endif |
| 353 | |
| 354 | #ifndef COND_DESTROY |
| 355 | # define COND_DESTROY(c) |
| 356 | #endif |
| 357 | |
| 358 | #ifndef LOCK_SV_MUTEX |
| 359 | # define LOCK_SV_MUTEX |
| 360 | #endif |
| 361 | |
| 362 | #ifndef UNLOCK_SV_MUTEX |
| 363 | # define UNLOCK_SV_MUTEX |
| 364 | #endif |
| 365 | |
| 366 | #ifndef LOCK_STRTAB_MUTEX |
| 367 | # define LOCK_STRTAB_MUTEX |
| 368 | #endif |
| 369 | |
| 370 | #ifndef UNLOCK_STRTAB_MUTEX |
| 371 | # define UNLOCK_STRTAB_MUTEX |
| 372 | #endif |
| 373 | |
| 374 | #ifndef LOCK_CRED_MUTEX |
| 375 | # define LOCK_CRED_MUTEX |
| 376 | #endif |
| 377 | |
| 378 | #ifndef UNLOCK_CRED_MUTEX |
| 379 | # define UNLOCK_CRED_MUTEX |
| 380 | #endif |
| 381 | |
| 4755096e |
382 | #ifndef LOCK_FDPID_MUTEX |
| 383 | # define LOCK_FDPID_MUTEX |
| 384 | #endif |
| 385 | |
| 386 | #ifndef UNLOCK_FDPID_MUTEX |
| 387 | # define UNLOCK_FDPID_MUTEX |
| 388 | #endif |
| 389 | |
| 631cfb58 |
390 | #ifndef LOCK_SV_LOCK_MUTEX |
| 391 | # define LOCK_SV_LOCK_MUTEX |
| 392 | #endif |
| 393 | |
| 394 | #ifndef UNLOCK_SV_LOCK_MUTEX |
| 395 | # define UNLOCK_SV_LOCK_MUTEX |
| 396 | #endif |
| 397 | |
| ba869deb |
398 | /* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
| 1feb2720 |
399 | #ifndef THR |
| ba869deb |
400 | # define THR PERL_GET_THX |
| 401 | #endif |
| 402 | |
| 403 | #ifndef SET_THR |
| 404 | # define SET_THR(t) PERL_SET_THX(t) |
| 1feb2720 |
405 | #endif |
| 406 | |
| 407 | #ifndef dTHR |
| 408 | # define dTHR dNOOP |
| 409 | #endif |
| 410 | |
| 411 | #ifndef INIT_THREADS |
| 412 | # define INIT_THREADS NOOP |
| 413 | #endif |
projects / p5sagit/p5-mst-13.2.git / blame