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 |
b82d478d |
35 | # if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020 |
36 | # define pthread_attr_init(a) pthread_attr_create(a) |
37 | /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */ |
38 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
39 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
40 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) |
41 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
42 | # endif |
0d85d877 |
43 | # if defined(DJGPP) || defined(__OPEN_VM) |
44 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s)) |
45 | # define YIELD pthread_yield(NULL) |
46 | # endif |
0d85d877 |
47 | # endif |
b82d478d |
48 | # if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020 |
1cfa4ec7 |
49 | # define pthread_mutexattr_default NULL |
0d85d877 |
50 | # define pthread_condattr_default NULL |
b82d478d |
51 | # endif |
0d85d877 |
52 | #endif |
53 | |
54 | #ifndef PTHREAD_CREATE |
55 | /* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */ |
56 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d) |
57 | #endif |
58 | |
59 | #ifndef PTHREAD_ATTR_SETDETACHSTATE |
60 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s) |
d55594ae |
61 | #endif |
1cfa4ec7 |
62 | |
ef4af2be |
63 | #ifndef PTHREAD_CREATE_JOINABLE |
64 | # ifdef OLD_PTHREAD_CREATE_JOINABLE |
65 | # define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE |
66 | # else |
67 | # define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */ |
68 | # endif |
69 | #endif |
70 | |
7f3d1cf1 |
71 | #ifdef I_MACH_CTHREADS |
72 | |
73 | /* cthreads interface */ |
74 | |
75 | /* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */ |
76 | |
ba869deb |
77 | #define MUTEX_INIT(m) \ |
78 | STMT_START { \ |
79 | *m = mutex_alloc(); \ |
80 | if (*m) { \ |
81 | mutex_init(*m); \ |
82 | } else { \ |
efc57feb |
83 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
ba869deb |
84 | } \ |
85 | } STMT_END |
86 | |
87 | #define MUTEX_LOCK(m) mutex_lock(*m) |
ba869deb |
88 | #define MUTEX_UNLOCK(m) mutex_unlock(*m) |
ba869deb |
89 | #define MUTEX_DESTROY(m) \ |
90 | STMT_START { \ |
91 | mutex_free(*m); \ |
92 | *m = 0; \ |
93 | } STMT_END |
94 | |
95 | #define COND_INIT(c) \ |
96 | STMT_START { \ |
97 | *c = condition_alloc(); \ |
98 | if (*c) { \ |
99 | condition_init(*c); \ |
100 | } \ |
101 | else { \ |
efc57feb |
102 | Perl_croak_nocontext("panic: COND_INIT"); \ |
ba869deb |
103 | } \ |
104 | } STMT_END |
7f3d1cf1 |
105 | |
106 | #define COND_SIGNAL(c) condition_signal(*c) |
107 | #define COND_BROADCAST(c) condition_broadcast(*c) |
108 | #define COND_WAIT(c, m) condition_wait(*c, *m) |
ba869deb |
109 | #define COND_DESTROY(c) \ |
110 | STMT_START { \ |
111 | condition_free(*c); \ |
112 | *c = 0; \ |
113 | } STMT_END |
7f3d1cf1 |
114 | |
115 | #define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0) |
116 | #define THREAD_POST_CREATE(thr) |
117 | |
118 | #define THREAD_RET_TYPE any_t |
119 | #define THREAD_RET_CAST(x) ((any_t) x) |
120 | |
121 | #define DETACH(t) cthread_detach(t->self) |
122 | #define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self)) |
123 | |
ba869deb |
124 | #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
125 | #define PERL_GET_CONTEXT cthread_data(cthread_self()) |
7f3d1cf1 |
126 | |
127 | #define INIT_THREADS cthread_init() |
128 | #define YIELD cthread_yield() |
ba869deb |
129 | #define ALLOC_THREAD_KEY NOOP |
22d4bb9c |
130 | #define FREE_THREAD_KEY NOOP |
7f3d1cf1 |
131 | #define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
132 | |
133 | #endif /* I_MACH_CTHREADS */ |
134 | |
1cfa4ec7 |
135 | #ifndef YIELD |
e7a4f449 |
136 | # ifdef SCHED_YIELD |
137 | # define YIELD SCHED_YIELD |
138 | # else |
139 | # ifdef HAS_SCHED_YIELD |
140 | # define YIELD sched_yield() |
141 | # else |
142 | # ifdef HAS_PTHREAD_YIELD |
143 | /* pthread_yield(NULL) platforms are expected |
144 | * to have #defined YIELD for themselves. */ |
145 | # define YIELD pthread_yield() |
146 | # endif |
147 | # endif |
148 | # endif |
9731c6ca |
149 | #endif |
11343788 |
150 | |
227c31c3 |
151 | #ifdef __hpux |
152 | # define MUTEX_INIT_NEEDS_MUTEX_ZEROED |
153 | #endif |
154 | |
ea0efc06 |
155 | #ifndef MUTEX_INIT |
ba869deb |
156 | |
157 | # ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED |
227c31c3 |
158 | /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */ |
ba869deb |
159 | # define MUTEX_INIT(m) \ |
227c31c3 |
160 | STMT_START { \ |
161 | Zero((m), 1, perl_mutex); \ |
162 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
efc57feb |
163 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
227c31c3 |
164 | } STMT_END |
ba869deb |
165 | # else |
166 | # define MUTEX_INIT(m) \ |
ea0efc06 |
167 | STMT_START { \ |
168 | if (pthread_mutex_init((m), pthread_mutexattr_default)) \ |
efc57feb |
169 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
ea0efc06 |
170 | } STMT_END |
ba869deb |
171 | # endif |
172 | |
173 | # define MUTEX_LOCK(m) \ |
174 | STMT_START { \ |
175 | if (pthread_mutex_lock((m))) \ |
ba869deb |
176 | Perl_croak_nocontext("panic: MUTEX_LOCK"); \ |
cea2e8a9 |
177 | } STMT_END |
ba869deb |
178 | |
efc57feb |
179 | # define MUTEX_UNLOCK(m) \ |
ba869deb |
180 | STMT_START { \ |
181 | if (pthread_mutex_unlock((m))) \ |
182 | Perl_croak_nocontext("panic: MUTEX_UNLOCK"); \ |
ea0efc06 |
183 | } STMT_END |
ba869deb |
184 | |
185 | # define MUTEX_DESTROY(m) \ |
186 | STMT_START { \ |
187 | if (pthread_mutex_destroy((m))) \ |
efc57feb |
188 | Perl_croak_nocontext("panic: MUTEX_DESTROY"); \ |
ea0efc06 |
189 | } STMT_END |
190 | #endif /* MUTEX_INIT */ |
191 | |
192 | #ifndef COND_INIT |
ba869deb |
193 | # define COND_INIT(c) \ |
ea0efc06 |
194 | STMT_START { \ |
195 | if (pthread_cond_init((c), pthread_condattr_default)) \ |
efc57feb |
196 | Perl_croak_nocontext("panic: COND_INIT"); \ |
ea0efc06 |
197 | } STMT_END |
ba869deb |
198 | |
199 | # define COND_SIGNAL(c) \ |
200 | STMT_START { \ |
201 | if (pthread_cond_signal((c))) \ |
efc57feb |
202 | Perl_croak_nocontext("panic: COND_SIGNAL"); \ |
ea0efc06 |
203 | } STMT_END |
ba869deb |
204 | |
205 | # define COND_BROADCAST(c) \ |
206 | STMT_START { \ |
207 | if (pthread_cond_broadcast((c))) \ |
efc57feb |
208 | Perl_croak_nocontext("panic: COND_BROADCAST"); \ |
ea0efc06 |
209 | } STMT_END |
ba869deb |
210 | |
211 | # define COND_WAIT(c, m) \ |
212 | STMT_START { \ |
213 | if (pthread_cond_wait((c), (m))) \ |
efc57feb |
214 | Perl_croak_nocontext("panic: COND_WAIT"); \ |
ea0efc06 |
215 | } STMT_END |
ba869deb |
216 | |
217 | # define COND_DESTROY(c) \ |
218 | STMT_START { \ |
219 | if (pthread_cond_destroy((c))) \ |
efc57feb |
220 | Perl_croak_nocontext("panic: COND_DESTROY"); \ |
ea0efc06 |
221 | } STMT_END |
222 | #endif /* COND_INIT */ |
33f46ff6 |
223 | |
f826a10b |
224 | /* DETACH(t) must only be called while holding t->mutex */ |
ea0efc06 |
225 | #ifndef DETACH |
ba869deb |
226 | # define DETACH(t) \ |
227 | STMT_START { \ |
228 | if (pthread_detach((t)->self)) { \ |
229 | MUTEX_UNLOCK(&(t)->mutex); \ |
efc57feb |
230 | Perl_croak_nocontext("panic: DETACH"); \ |
ba869deb |
231 | } \ |
ea0efc06 |
232 | } STMT_END |
233 | #endif /* DETACH */ |
33f46ff6 |
234 | |
ea0efc06 |
235 | #ifndef JOIN |
ba869deb |
236 | # define JOIN(t, avp) \ |
237 | STMT_START { \ |
238 | if (pthread_join((t)->self, (void**)(avp))) \ |
efc57feb |
239 | Perl_croak_nocontext("panic: pthread_join"); \ |
ea0efc06 |
240 | } STMT_END |
241 | #endif /* JOIN */ |
242 | |
ba869deb |
243 | #ifndef PERL_GET_CONTEXT |
244 | # define PERL_GET_CONTEXT pthread_getspecific(PL_thr_key) |
245 | #endif |
246 | |
247 | #ifndef PERL_SET_CONTEXT |
248 | # define PERL_SET_CONTEXT(t) \ |
249 | STMT_START { \ |
250 | if (pthread_setspecific(PL_thr_key, (void *)(t))) \ |
efc57feb |
251 | Perl_croak_nocontext("panic: pthread_setspecific"); \ |
ea0efc06 |
252 | } STMT_END |
ba869deb |
253 | #endif /* PERL_SET_CONTEXT */ |
ea0efc06 |
254 | |
1feb2720 |
255 | #ifndef INIT_THREADS |
256 | # ifdef NEED_PTHREAD_INIT |
257 | # define INIT_THREADS pthread_init() |
258 | # endif |
0d85d877 |
259 | #endif |
ea0efc06 |
260 | |
ba869deb |
261 | #ifndef ALLOC_THREAD_KEY |
262 | # define ALLOC_THREAD_KEY \ |
263 | STMT_START { \ |
c44d3fdb |
264 | if (pthread_key_create(&PL_thr_key, 0)) { \ |
22d4bb9c |
265 | PerlIO_printf(PerlIO_stderr(), "panic: pthread_key_create"); \ |
c44d3fdb |
266 | exit(1); \ |
267 | } \ |
ba869deb |
268 | } STMT_END |
269 | #endif |
270 | |
22d4bb9c |
271 | #ifndef FREE_THREAD_KEY |
272 | # define FREE_THREAD_KEY \ |
273 | STMT_START { \ |
274 | pthread_key_delete(PL_thr_key); \ |
275 | } STMT_END |
276 | #endif |
277 | |
1feb2720 |
278 | #ifndef THREAD_RET_TYPE |
279 | # define THREAD_RET_TYPE void * |
280 | # define THREAD_RET_CAST(p) ((void *)(p)) |
281 | #endif /* THREAD_RET */ |
282 | |
283 | #if defined(USE_THREADS) |
284 | |
940cb80d |
285 | /* Accessor for per-thread SVs */ |
1feb2720 |
286 | # define THREADSV(i) (thr->threadsvp[i]) |
940cb80d |
287 | |
288 | /* |
289 | * LOCK_SV_MUTEX and UNLOCK_SV_MUTEX are performance-critical. Here, we |
290 | * try only locking them if there may be more than one thread in existence. |
291 | * Systems with very fast mutexes (and/or slow conditionals) may wish to |
292 | * remove the "if (threadnum) ..." test. |
b099ddc0 |
293 | * XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions! |
940cb80d |
294 | */ |
1feb2720 |
295 | # define LOCK_SV_MUTEX MUTEX_LOCK(&PL_sv_mutex) |
296 | # define UNLOCK_SV_MUTEX MUTEX_UNLOCK(&PL_sv_mutex) |
297 | # define LOCK_STRTAB_MUTEX MUTEX_LOCK(&PL_strtab_mutex) |
298 | # define UNLOCK_STRTAB_MUTEX MUTEX_UNLOCK(&PL_strtab_mutex) |
299 | # define LOCK_CRED_MUTEX MUTEX_LOCK(&PL_cred_mutex) |
300 | # define UNLOCK_CRED_MUTEX MUTEX_UNLOCK(&PL_cred_mutex) |
4b19af01 |
301 | # define LOCK_FDPID_MUTEX MUTEX_LOCK(&PL_fdpid_mutex) |
302 | # define UNLOCK_FDPID_MUTEX MUTEX_UNLOCK(&PL_fdpid_mutex) |
303 | # define LOCK_SV_LOCK_MUTEX MUTEX_LOCK(&PL_sv_lock_mutex) |
304 | # define UNLOCK_SV_LOCK_MUTEX MUTEX_UNLOCK(&PL_sv_lock_mutex) |
11343788 |
305 | |
33f46ff6 |
306 | /* Values and macros for thr->flags */ |
605e5515 |
307 | #define THRf_STATE_MASK 7 |
308 | #define THRf_R_JOINABLE 0 |
309 | #define THRf_R_JOINED 1 |
310 | #define THRf_R_DETACHED 2 |
311 | #define THRf_ZOMBIE 3 |
312 | #define THRf_DEAD 4 |
f93b4edd |
313 | |
458fb581 |
314 | #define THRf_DID_DIE 8 |
07b73707 |
315 | |
f826a10b |
316 | /* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
458fb581 |
317 | #define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
f93b4edd |
318 | #define ThrSETSTATE(t, s) STMT_START { \ |
605e5515 |
319 | (t)->flags &= ~THRf_STATE_MASK; \ |
33f46ff6 |
320 | (t)->flags |= (s); \ |
bf49b057 |
321 | DEBUG_S(PerlIO_printf(Perl_debug_log, \ |
605e5515 |
322 | "thread %p set to state %d\n", (t), (s))); \ |
f93b4edd |
323 | } STMT_END |
324 | |
325 | typedef struct condpair { |
f826a10b |
326 | perl_mutex mutex; /* Protects all other fields */ |
327 | perl_cond owner_cond; /* For when owner changes at all */ |
328 | perl_cond cond; /* For cond_signal and cond_broadcast */ |
329 | Thread owner; /* Currently owning thread */ |
f93b4edd |
330 | } condpair_t; |
331 | |
332 | #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) |
333 | #define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) |
334 | #define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) |
335 | #define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner |
336 | |
11343788 |
337 | #endif /* USE_THREADS */ |
1feb2720 |
338 | #endif /* USE_THREADS || USE_ITHREADS */ |
339 | |
340 | #ifndef MUTEX_LOCK |
341 | # define MUTEX_LOCK(m) |
342 | #endif |
343 | |
1feb2720 |
344 | #ifndef MUTEX_UNLOCK |
345 | # define MUTEX_UNLOCK(m) |
346 | #endif |
1feb2720 |
347 | |
348 | #ifndef MUTEX_INIT |
349 | # define MUTEX_INIT(m) |
350 | #endif |
351 | |
352 | #ifndef MUTEX_DESTROY |
353 | # define MUTEX_DESTROY(m) |
354 | #endif |
355 | |
356 | #ifndef COND_INIT |
357 | # define COND_INIT(c) |
358 | #endif |
359 | |
360 | #ifndef COND_SIGNAL |
361 | # define COND_SIGNAL(c) |
362 | #endif |
363 | |
364 | #ifndef COND_BROADCAST |
365 | # define COND_BROADCAST(c) |
366 | #endif |
367 | |
368 | #ifndef COND_WAIT |
369 | # define COND_WAIT(c, m) |
370 | #endif |
371 | |
372 | #ifndef COND_DESTROY |
373 | # define COND_DESTROY(c) |
374 | #endif |
375 | |
376 | #ifndef LOCK_SV_MUTEX |
377 | # define LOCK_SV_MUTEX |
378 | #endif |
379 | |
380 | #ifndef UNLOCK_SV_MUTEX |
381 | # define UNLOCK_SV_MUTEX |
382 | #endif |
383 | |
384 | #ifndef LOCK_STRTAB_MUTEX |
385 | # define LOCK_STRTAB_MUTEX |
386 | #endif |
387 | |
388 | #ifndef UNLOCK_STRTAB_MUTEX |
389 | # define UNLOCK_STRTAB_MUTEX |
390 | #endif |
391 | |
392 | #ifndef LOCK_CRED_MUTEX |
393 | # define LOCK_CRED_MUTEX |
394 | #endif |
395 | |
396 | #ifndef UNLOCK_CRED_MUTEX |
397 | # define UNLOCK_CRED_MUTEX |
398 | #endif |
399 | |
4b19af01 |
400 | #ifndef LOCK_FDPID_MUTEX |
401 | # define LOCK_FDPID_MUTEX |
402 | #endif |
403 | |
404 | #ifndef UNLOCK_FDPID_MUTEX |
405 | # define UNLOCK_FDPID_MUTEX |
406 | #endif |
407 | |
408 | #ifndef LOCK_SV_LOCK_MUTEX |
409 | # define LOCK_SV_LOCK_MUTEX |
410 | #endif |
411 | |
412 | #ifndef UNLOCK_SV_LOCK_MUTEX |
413 | # define UNLOCK_SV_LOCK_MUTEX |
414 | #endif |
415 | |
ba869deb |
416 | /* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
1feb2720 |
417 | #ifndef THR |
ba869deb |
418 | # define THR PERL_GET_THX |
419 | #endif |
420 | |
421 | #ifndef SET_THR |
422 | # define SET_THR(t) PERL_SET_THX(t) |
1feb2720 |
423 | #endif |
424 | |
425 | #ifndef dTHR |
426 | # define dTHR dNOOP |
427 | #endif |
428 | |
429 | #ifndef INIT_THREADS |
430 | # define INIT_THREADS NOOP |
431 | #endif |