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); \ | |
efc57feb | 11 | Perl_croak_nocontext("panic: DETACH"); \ |
ba869deb | 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 { \ | |
efc57feb | 73 | Perl_croak_nocontext("panic: MUTEX_INIT"); \ |
ba869deb GS |
74 | } \ |
75 | } STMT_END | |
76 | ||
77 | #define MUTEX_LOCK(m) mutex_lock(*m) | |
ba869deb | 78 | #define MUTEX_UNLOCK(m) mutex_unlock(*m) |
ba869deb GS |
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 GS |
93 | } \ |
94 | } STMT_END | |
7f3d1cf1 BH |
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 GS |
99 | #define COND_DESTROY(c) \ |
100 | STMT_START { \ | |
101 | condition_free(*c); \ | |
102 | *c = 0; \ | |
103 | } STMT_END | |
7f3d1cf1 BH |
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 GS |
114 | #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
115 | #define PERL_GET_CONTEXT cthread_data(cthread_self()) | |
7f3d1cf1 BH |
116 | |
117 | #define INIT_THREADS cthread_init() | |
118 | #define YIELD cthread_yield() | |
ba869deb | 119 | #define ALLOC_THREAD_KEY NOOP |
7f3d1cf1 BH |
120 | #define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
121 | ||
122 | #endif /* I_MACH_CTHREADS */ | |
123 | ||
1cfa4ec7 | 124 | #ifndef YIELD |
e7a4f449 JH |
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 JH |
140 | #ifdef __hpux |
141 | # define MUTEX_INIT_NEEDS_MUTEX_ZEROED | |
142 | #endif | |
143 | ||
ea0efc06 | 144 | #ifndef MUTEX_INIT |
ba869deb GS |
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 JH |
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 GS |
154 | # else |
155 | # define MUTEX_INIT(m) \ | |
ea0efc06 MB |
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 GS |
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 GS |
169 | STMT_START { \ |
170 | if (pthread_mutex_unlock((m))) \ | |
171 | Perl_croak_nocontext("panic: MUTEX_UNLOCK"); \ | |
ea0efc06 | 172 | } STMT_END |
ba869deb GS |
173 | |
174 | # define MUTEX_DESTROY(m) \ | |
175 | STMT_START { \ | |
176 | if (pthread_mutex_destroy((m))) \ | |
efc57feb | 177 | Perl_croak_nocontext("panic: MUTEX_DESTROY"); \ |
ea0efc06 MB |
178 | } STMT_END |
179 | #endif /* MUTEX_INIT */ | |
180 | ||
181 | #ifndef COND_INIT | |
ba869deb | 182 | # define COND_INIT(c) \ |
ea0efc06 MB |
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 GS |
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 GS |
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 GS |
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 GS |
205 | |
206 | # define COND_DESTROY(c) \ | |
207 | STMT_START { \ | |
208 | if (pthread_cond_destroy((c))) \ | |
efc57feb | 209 | Perl_croak_nocontext("panic: COND_DESTROY"); \ |
ea0efc06 MB |
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 GS |
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 MB |
221 | } STMT_END |
222 | #endif /* DETACH */ | |
33f46ff6 | 223 | |
ea0efc06 | 224 | #ifndef JOIN |
ba869deb GS |
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 MB |
229 | } STMT_END |
230 | #endif /* JOIN */ | |
231 | ||
ba869deb GS |
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 GS |
244 | #ifndef INIT_THREADS |
245 | # ifdef NEED_PTHREAD_INIT | |
246 | # define INIT_THREADS pthread_init() | |
247 | # endif | |
0d85d877 | 248 | #endif |
ea0efc06 | 249 | |
ba869deb GS |
250 | #ifndef ALLOC_THREAD_KEY |
251 | # define ALLOC_THREAD_KEY \ | |
252 | STMT_START { \ | |
c44d3fdb GS |
253 | if (pthread_key_create(&PL_thr_key, 0)) { \ |
254 | fprintf(stderr, "panic: pthread_key_create"); \ | |
255 | exit(1); \ | |
256 | } \ | |
ba869deb GS |
257 | } STMT_END |
258 | #endif | |
259 | ||
1feb2720 GS |
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 MB |
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 GS |
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) | |
ea0efc06 | 283 | |
11343788 | 284 | |
33f46ff6 | 285 | /* Values and macros for thr->flags */ |
605e5515 MB |
286 | #define THRf_STATE_MASK 7 |
287 | #define THRf_R_JOINABLE 0 | |
288 | #define THRf_R_JOINED 1 | |
289 | #define THRf_R_DETACHED 2 | |
290 | #define THRf_ZOMBIE 3 | |
291 | #define THRf_DEAD 4 | |
f93b4edd | 292 | |
458fb581 | 293 | #define THRf_DID_DIE 8 |
07b73707 | 294 | |
f826a10b | 295 | /* ThrSTATE(t) and ThrSETSTATE(t) must only be called while holding t->mutex */ |
458fb581 | 296 | #define ThrSTATE(t) ((t)->flags & THRf_STATE_MASK) |
f93b4edd | 297 | #define ThrSETSTATE(t, s) STMT_START { \ |
605e5515 | 298 | (t)->flags &= ~THRf_STATE_MASK; \ |
33f46ff6 | 299 | (t)->flags |= (s); \ |
bf49b057 | 300 | DEBUG_S(PerlIO_printf(Perl_debug_log, \ |
605e5515 | 301 | "thread %p set to state %d\n", (t), (s))); \ |
f93b4edd MB |
302 | } STMT_END |
303 | ||
304 | typedef struct condpair { | |
f826a10b MB |
305 | perl_mutex mutex; /* Protects all other fields */ |
306 | perl_cond owner_cond; /* For when owner changes at all */ | |
307 | perl_cond cond; /* For cond_signal and cond_broadcast */ | |
308 | Thread owner; /* Currently owning thread */ | |
f93b4edd MB |
309 | } condpair_t; |
310 | ||
311 | #define MgMUTEXP(mg) (&((condpair_t *)(mg->mg_ptr))->mutex) | |
312 | #define MgOWNERCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->owner_cond) | |
313 | #define MgCONDP(mg) (&((condpair_t *)(mg->mg_ptr))->cond) | |
314 | #define MgOWNER(mg) ((condpair_t *)(mg->mg_ptr))->owner | |
315 | ||
11343788 | 316 | #endif /* USE_THREADS */ |
1feb2720 GS |
317 | #endif /* USE_THREADS || USE_ITHREADS */ |
318 | ||
319 | #ifndef MUTEX_LOCK | |
320 | # define MUTEX_LOCK(m) | |
321 | #endif | |
322 | ||
1feb2720 GS |
323 | #ifndef MUTEX_UNLOCK |
324 | # define MUTEX_UNLOCK(m) | |
325 | #endif | |
1feb2720 GS |
326 | |
327 | #ifndef MUTEX_INIT | |
328 | # define MUTEX_INIT(m) | |
329 | #endif | |
330 | ||
331 | #ifndef MUTEX_DESTROY | |
332 | # define MUTEX_DESTROY(m) | |
333 | #endif | |
334 | ||
335 | #ifndef COND_INIT | |
336 | # define COND_INIT(c) | |
337 | #endif | |
338 | ||
339 | #ifndef COND_SIGNAL | |
340 | # define COND_SIGNAL(c) | |
341 | #endif | |
342 | ||
343 | #ifndef COND_BROADCAST | |
344 | # define COND_BROADCAST(c) | |
345 | #endif | |
346 | ||
347 | #ifndef COND_WAIT | |
348 | # define COND_WAIT(c, m) | |
349 | #endif | |
350 | ||
351 | #ifndef COND_DESTROY | |
352 | # define COND_DESTROY(c) | |
353 | #endif | |
354 | ||
355 | #ifndef LOCK_SV_MUTEX | |
356 | # define LOCK_SV_MUTEX | |
357 | #endif | |
358 | ||
359 | #ifndef UNLOCK_SV_MUTEX | |
360 | # define UNLOCK_SV_MUTEX | |
361 | #endif | |
362 | ||
363 | #ifndef LOCK_STRTAB_MUTEX | |
364 | # define LOCK_STRTAB_MUTEX | |
365 | #endif | |
366 | ||
367 | #ifndef UNLOCK_STRTAB_MUTEX | |
368 | # define UNLOCK_STRTAB_MUTEX | |
369 | #endif | |
370 | ||
371 | #ifndef LOCK_CRED_MUTEX | |
372 | # define LOCK_CRED_MUTEX | |
373 | #endif | |
374 | ||
375 | #ifndef UNLOCK_CRED_MUTEX | |
376 | # define UNLOCK_CRED_MUTEX | |
377 | #endif | |
378 | ||
ba869deb | 379 | /* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
1feb2720 | 380 | #ifndef THR |
ba869deb GS |
381 | # define THR PERL_GET_THX |
382 | #endif | |
383 | ||
384 | #ifndef SET_THR | |
385 | # define SET_THR(t) PERL_SET_THX(t) | |
1feb2720 GS |
386 | #endif |
387 | ||
388 | #ifndef dTHR | |
389 | # define dTHR dNOOP | |
390 | #endif | |
391 | ||
392 | #ifndef INIT_THREADS | |
393 | # define INIT_THREADS NOOP | |
394 | #endif |