Commit | Line | Data |
---|---|---|
d6376244 JH |
1 | /* thread.h |
2 | * | |
b5f8cc5c | 3 | * Copyright (C) 1999, 2000, 2001, 2002, 2004, by Larry Wall and others |
d6376244 JH |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
8 | */ | |
9 | ||
3db8f154 | 10 | #if defined(USE_ITHREADS) |
12ca11f6 | 11 | |
fd8cd3a3 DS |
12 | #if defined(VMS) |
13 | #include <builtins.h> | |
14 | #endif | |
15 | ||
ea0efc06 | 16 | #ifdef WIN32 |
d55594ae GS |
17 | # include <win32thread.h> |
18 | #else | |
2986a63f JH |
19 | #ifdef NETWARE |
20 | # include <nw5thread.h> | |
21 | #else | |
0d85d877 | 22 | # ifdef OLD_PTHREADS_API /* Here be dragons. */ |
ba869deb GS |
23 | # define DETACH(t) \ |
24 | STMT_START { \ | |
28a80024 MHM |
25 | int _eC_; \ |
26 | if ((_eC_ = pthread_detach(&(t)->self))) { \ | |
ba869deb | 27 | MUTEX_UNLOCK(&(t)->mutex); \ |
28a80024 MHM |
28 | Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \ |
29 | _eC_, __FILE__, __LINE__); \ | |
ba869deb | 30 | } \ |
ea0efc06 | 31 | } STMT_END |
ba869deb GS |
32 | |
33 | # define PERL_GET_CONTEXT Perl_get_context() | |
34 | # define PERL_SET_CONTEXT(t) Perl_set_context((void*)t) | |
35 | ||
0d85d877 JH |
36 | # define PTHREAD_GETSPECIFIC_INT |
37 | # ifdef DJGPP | |
38 | # define pthread_addr_t any_t | |
39 | # define NEED_PTHREAD_INIT | |
6dc3770d | 40 | # define PTHREAD_CREATE_JOINABLE (1) |
0d85d877 JH |
41 | # endif |
42 | # ifdef __OPEN_VM | |
43 | # define pthread_addr_t void * | |
44 | # endif | |
20b634c2 JH |
45 | # ifdef OEMVS |
46 | # define pthread_addr_t void * | |
20b634c2 JH |
47 | # define pthread_create(t,a,s,d) pthread_create(t,&(a),s,d) |
48 | # define pthread_keycreate pthread_key_create | |
49 | # endif | |
0d85d877 JH |
50 | # ifdef VMS |
51 | # define pthread_attr_init(a) pthread_attr_create(a) | |
52 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s) | |
6dc3770d | 53 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
0d85d877 JH |
54 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) |
55 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) | |
9bbd4fab | 56 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) |
0d85d877 | 57 | # endif |
2eb25c99 JH |
58 | # if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020 |
59 | # define pthread_attr_init(a) pthread_attr_create(a) | |
60 | /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */ | |
10617789 | 61 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0) |
2eb25c99 JH |
62 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d) |
63 | # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d)) | |
64 | # define pthread_mutexattr_init(a) pthread_mutexattr_create(a) | |
65 | # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t) | |
66 | # endif | |
20b634c2 | 67 | # if defined(DJGPP) || defined(__OPEN_VM) || defined(OEMVS) |
0d85d877 JH |
68 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s)) |
69 | # define YIELD pthread_yield(NULL) | |
70 | # endif | |
0d85d877 | 71 | # endif |
2eb25c99 | 72 | # if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020 |
1cfa4ec7 | 73 | # define pthread_mutexattr_default NULL |
0d85d877 | 74 | # define pthread_condattr_default NULL |
2eb25c99 | 75 | # endif |
2986a63f | 76 | #endif /* NETWARE */ |
0d85d877 JH |
77 | #endif |
78 | ||
79 | #ifndef PTHREAD_CREATE | |
80 | /* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */ | |
81 | # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d) | |
82 | #endif | |
83 | ||
84 | #ifndef PTHREAD_ATTR_SETDETACHSTATE | |
85 | # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s) | |
d55594ae | 86 | #endif |
1cfa4ec7 | 87 | |
ef4af2be JH |
88 | #ifndef PTHREAD_CREATE_JOINABLE |
89 | # ifdef OLD_PTHREAD_CREATE_JOINABLE | |
90 | # define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE | |
91 | # else | |
92 | # define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */ | |
93 | # endif | |
94 | #endif | |
95 | ||
5cbe9849 | 96 | #ifdef DGUX |
95036ac7 | 97 | # define THREAD_CREATE_NEEDS_STACK (32*1024) |
5cbe9849 JH |
98 | #endif |
99 | ||
7f3d1cf1 BH |
100 | #ifdef I_MACH_CTHREADS |
101 | ||
102 | /* cthreads interface */ | |
103 | ||
104 | /* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */ | |
105 | ||
ba869deb GS |
106 | #define MUTEX_INIT(m) \ |
107 | STMT_START { \ | |
108 | *m = mutex_alloc(); \ | |
109 | if (*m) { \ | |
110 | mutex_init(*m); \ | |
111 | } else { \ | |
28a80024 MHM |
112 | Perl_croak_nocontext("panic: MUTEX_INIT [%s:%d]", \ |
113 | __FILE__, __LINE__); \ | |
ba869deb GS |
114 | } \ |
115 | } STMT_END | |
116 | ||
117 | #define MUTEX_LOCK(m) mutex_lock(*m) | |
ba869deb | 118 | #define MUTEX_UNLOCK(m) mutex_unlock(*m) |
ba869deb GS |
119 | #define MUTEX_DESTROY(m) \ |
120 | STMT_START { \ | |
121 | mutex_free(*m); \ | |
122 | *m = 0; \ | |
123 | } STMT_END | |
124 | ||
125 | #define COND_INIT(c) \ | |
126 | STMT_START { \ | |
127 | *c = condition_alloc(); \ | |
128 | if (*c) { \ | |
129 | condition_init(*c); \ | |
130 | } \ | |
131 | else { \ | |
28a80024 MHM |
132 | Perl_croak_nocontext("panic: COND_INIT [%s:%d]", \ |
133 | __FILE__, __LINE__); \ | |
ba869deb GS |
134 | } \ |
135 | } STMT_END | |
7f3d1cf1 BH |
136 | |
137 | #define COND_SIGNAL(c) condition_signal(*c) | |
138 | #define COND_BROADCAST(c) condition_broadcast(*c) | |
139 | #define COND_WAIT(c, m) condition_wait(*c, *m) | |
ba869deb GS |
140 | #define COND_DESTROY(c) \ |
141 | STMT_START { \ | |
142 | condition_free(*c); \ | |
143 | *c = 0; \ | |
144 | } STMT_END | |
7f3d1cf1 BH |
145 | |
146 | #define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0) | |
147 | #define THREAD_POST_CREATE(thr) | |
148 | ||
149 | #define THREAD_RET_TYPE any_t | |
150 | #define THREAD_RET_CAST(x) ((any_t) x) | |
151 | ||
152 | #define DETACH(t) cthread_detach(t->self) | |
153 | #define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self)) | |
154 | ||
ba869deb GS |
155 | #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t) |
156 | #define PERL_GET_CONTEXT cthread_data(cthread_self()) | |
7f3d1cf1 BH |
157 | |
158 | #define INIT_THREADS cthread_init() | |
159 | #define YIELD cthread_yield() | |
ba869deb | 160 | #define ALLOC_THREAD_KEY NOOP |
e1b5da64 | 161 | #define FREE_THREAD_KEY NOOP |
7f3d1cf1 BH |
162 | #define SET_THREAD_SELF(thr) (thr->self = cthread_self()) |
163 | ||
164 | #endif /* I_MACH_CTHREADS */ | |
165 | ||
1cfa4ec7 | 166 | #ifndef YIELD |
e7a4f449 JH |
167 | # ifdef SCHED_YIELD |
168 | # define YIELD SCHED_YIELD | |
169 | # else | |
170 | # ifdef HAS_SCHED_YIELD | |
171 | # define YIELD sched_yield() | |
172 | # else | |
173 | # ifdef HAS_PTHREAD_YIELD | |
174 | /* pthread_yield(NULL) platforms are expected | |
175 | * to have #defined YIELD for themselves. */ | |
176 | # define YIELD pthread_yield() | |
177 | # endif | |
178 | # endif | |
179 | # endif | |
9731c6ca | 180 | #endif |
11343788 | 181 | |
227c31c3 JH |
182 | #ifdef __hpux |
183 | # define MUTEX_INIT_NEEDS_MUTEX_ZEROED | |
184 | #endif | |
185 | ||
ea0efc06 | 186 | #ifndef MUTEX_INIT |
ba869deb GS |
187 | |
188 | # ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED | |
227c31c3 | 189 | /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */ |
ba869deb | 190 | # define MUTEX_INIT(m) \ |
227c31c3 | 191 | STMT_START { \ |
28a80024 | 192 | int _eC_; \ |
227c31c3 | 193 | Zero((m), 1, perl_mutex); \ |
28a80024 MHM |
194 | if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \ |
195 | Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \ | |
196 | _eC_, __FILE__, __LINE__); \ | |
227c31c3 | 197 | } STMT_END |
ba869deb GS |
198 | # else |
199 | # define MUTEX_INIT(m) \ | |
ea0efc06 | 200 | STMT_START { \ |
28a80024 MHM |
201 | int _eC_; \ |
202 | if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \ | |
203 | Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \ | |
204 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 205 | } STMT_END |
ba869deb GS |
206 | # endif |
207 | ||
208 | # define MUTEX_LOCK(m) \ | |
209 | STMT_START { \ | |
28a80024 MHM |
210 | int _eC_; \ |
211 | if ((_eC_ = pthread_mutex_lock((m)))) \ | |
212 | Perl_croak_nocontext("panic: MUTEX_LOCK (%d) [%s:%d]", \ | |
213 | _eC_, __FILE__, __LINE__); \ | |
cea2e8a9 | 214 | } STMT_END |
ba869deb | 215 | |
efc57feb | 216 | # define MUTEX_UNLOCK(m) \ |
ba869deb | 217 | STMT_START { \ |
28a80024 MHM |
218 | int _eC_; \ |
219 | if ((_eC_ = pthread_mutex_unlock((m)))) \ | |
220 | Perl_croak_nocontext("panic: MUTEX_UNLOCK (%d) [%s:%d]", \ | |
221 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 222 | } STMT_END |
ba869deb GS |
223 | |
224 | # define MUTEX_DESTROY(m) \ | |
225 | STMT_START { \ | |
28a80024 MHM |
226 | int _eC_; \ |
227 | if ((_eC_ = pthread_mutex_destroy((m)))) \ | |
228 | Perl_croak_nocontext("panic: MUTEX_DESTROY (%d) [%s:%d]", \ | |
229 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 MB |
230 | } STMT_END |
231 | #endif /* MUTEX_INIT */ | |
232 | ||
233 | #ifndef COND_INIT | |
ba869deb | 234 | # define COND_INIT(c) \ |
ea0efc06 | 235 | STMT_START { \ |
28a80024 MHM |
236 | int _eC_; \ |
237 | if ((_eC_ = pthread_cond_init((c), pthread_condattr_default))) \ | |
238 | Perl_croak_nocontext("panic: COND_INIT (%d) [%s:%d]", \ | |
239 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 240 | } STMT_END |
ba869deb GS |
241 | |
242 | # define COND_SIGNAL(c) \ | |
243 | STMT_START { \ | |
28a80024 MHM |
244 | int _eC_; \ |
245 | if ((_eC_ = pthread_cond_signal((c)))) \ | |
246 | Perl_croak_nocontext("panic: COND_SIGNAL (%d) [%s:%d]", \ | |
247 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 248 | } STMT_END |
ba869deb GS |
249 | |
250 | # define COND_BROADCAST(c) \ | |
251 | STMT_START { \ | |
28a80024 MHM |
252 | int _eC_; \ |
253 | if ((_eC_ = pthread_cond_broadcast((c)))) \ | |
254 | Perl_croak_nocontext("panic: COND_BROADCAST (%d) [%s:%d]", \ | |
255 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 256 | } STMT_END |
ba869deb GS |
257 | |
258 | # define COND_WAIT(c, m) \ | |
259 | STMT_START { \ | |
28a80024 MHM |
260 | int _eC_; \ |
261 | if ((_eC_ = pthread_cond_wait((c), (m)))) \ | |
262 | Perl_croak_nocontext("panic: COND_WAIT (%d) [%s:%d]", \ | |
263 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 264 | } STMT_END |
ba869deb GS |
265 | |
266 | # define COND_DESTROY(c) \ | |
267 | STMT_START { \ | |
28a80024 MHM |
268 | int _eC_; \ |
269 | if ((_eC_ = pthread_cond_destroy((c)))) \ | |
270 | Perl_croak_nocontext("panic: COND_DESTROY (%d) [%s:%d]", \ | |
271 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 MB |
272 | } STMT_END |
273 | #endif /* COND_INIT */ | |
33f46ff6 | 274 | |
f826a10b | 275 | /* DETACH(t) must only be called while holding t->mutex */ |
ea0efc06 | 276 | #ifndef DETACH |
ba869deb GS |
277 | # define DETACH(t) \ |
278 | STMT_START { \ | |
28a80024 MHM |
279 | int _eC_; \ |
280 | if ((_eC_ = pthread_detach((t)->self))) { \ | |
ba869deb | 281 | MUTEX_UNLOCK(&(t)->mutex); \ |
28a80024 MHM |
282 | Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \ |
283 | _eC_, __FILE__, __LINE__); \ | |
ba869deb | 284 | } \ |
ea0efc06 MB |
285 | } STMT_END |
286 | #endif /* DETACH */ | |
33f46ff6 | 287 | |
ea0efc06 | 288 | #ifndef JOIN |
ba869deb GS |
289 | # define JOIN(t, avp) \ |
290 | STMT_START { \ | |
28a80024 MHM |
291 | int _eC_; \ |
292 | if ((_eC_ = pthread_join((t)->self, (void**)(avp)))) \ | |
293 | Perl_croak_nocontext("panic: pthread_join (%d) [%s:%d]", \ | |
294 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 MB |
295 | } STMT_END |
296 | #endif /* JOIN */ | |
297 | ||
0953243c JH |
298 | /* Use an unchecked fetch of thread-specific data instead of a checked one. |
299 | * It would fail if the key were bogus, but if the key were bogus then | |
300 | * Really Bad Things would be happening anyway. --dan */ | |
026b9da6 | 301 | #if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \ |
cb23e6a4 | 302 | (defined(__alpha) && defined(__osf__) && !defined(__GNUC__)) /* Available only on >= 4.0 */ |
8b8b35ab JH |
303 | # define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */ |
304 | #endif | |
305 | ||
306 | #ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP | |
307 | # define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key) | |
308 | #else | |
6cfe8af5 | 309 | # define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key) |
8b8b35ab JH |
310 | #endif |
311 | ||
312 | #ifndef PERL_GET_CONTEXT | |
313 | # define PERL_GET_CONTEXT PTHREAD_GETSPECIFIC(PL_thr_key) | |
ba869deb GS |
314 | #endif |
315 | ||
316 | #ifndef PERL_SET_CONTEXT | |
317 | # define PERL_SET_CONTEXT(t) \ | |
318 | STMT_START { \ | |
28a80024 MHM |
319 | int _eC_; \ |
320 | if ((_eC_ = pthread_setspecific(PL_thr_key, (void *)(t)))) \ | |
321 | Perl_croak_nocontext("panic: pthread_setspecific (%d) [%s:%d]", \ | |
322 | _eC_, __FILE__, __LINE__); \ | |
ea0efc06 | 323 | } STMT_END |
ba869deb | 324 | #endif /* PERL_SET_CONTEXT */ |
ea0efc06 | 325 | |
1feb2720 GS |
326 | #ifndef INIT_THREADS |
327 | # ifdef NEED_PTHREAD_INIT | |
328 | # define INIT_THREADS pthread_init() | |
329 | # endif | |
0d85d877 | 330 | #endif |
ea0efc06 | 331 | |
ba869deb GS |
332 | #ifndef ALLOC_THREAD_KEY |
333 | # define ALLOC_THREAD_KEY \ | |
334 | STMT_START { \ | |
28a80024 MHM |
335 | int _eC_; \ |
336 | if ((_eC_ = pthread_key_create(&PL_thr_key, 0))) { \ | |
337 | PerlIO_printf(PerlIO_stderr(), "panic: pthread_key_create (%d) [%s:%d]", \ | |
338 | _eC_, __FILE__, __LINE__); \ | |
c44d3fdb GS |
339 | exit(1); \ |
340 | } \ | |
ba869deb GS |
341 | } STMT_END |
342 | #endif | |
343 | ||
e1b5da64 GS |
344 | #ifndef FREE_THREAD_KEY |
345 | # define FREE_THREAD_KEY \ | |
346 | STMT_START { \ | |
347 | pthread_key_delete(PL_thr_key); \ | |
348 | } STMT_END | |
349 | #endif | |
350 | ||
50dd6e57 | 351 | #ifndef PTHREAD_ATFORK |
144e72cb RS |
352 | # ifdef HAS_PTHREAD_ATFORK |
353 | # define PTHREAD_ATFORK(prepare,parent,child) \ | |
de992003 | 354 | pthread_atfork(prepare,parent,child) |
144e72cb | 355 | # else |
8ff9412f RS |
356 | # define PTHREAD_ATFORK(prepare,parent,child) \ |
357 | NOOP | |
144e72cb | 358 | # endif |
50dd6e57 GS |
359 | #endif |
360 | ||
1feb2720 GS |
361 | #ifndef THREAD_RET_TYPE |
362 | # define THREAD_RET_TYPE void * | |
363 | # define THREAD_RET_CAST(p) ((void *)(p)) | |
364 | #endif /* THREAD_RET */ | |
365 | ||
e2975953 JH |
366 | # define LOCK_DOLLARZERO_MUTEX MUTEX_LOCK(&PL_dollarzero_mutex) |
367 | # define UNLOCK_DOLLARZERO_MUTEX MUTEX_UNLOCK(&PL_dollarzero_mutex) | |
368 | ||
3db8f154 | 369 | #endif /* USE_ITHREADS */ |
1feb2720 GS |
370 | |
371 | #ifndef MUTEX_LOCK | |
372 | # define MUTEX_LOCK(m) | |
373 | #endif | |
374 | ||
1feb2720 GS |
375 | #ifndef MUTEX_UNLOCK |
376 | # define MUTEX_UNLOCK(m) | |
377 | #endif | |
1feb2720 GS |
378 | |
379 | #ifndef MUTEX_INIT | |
380 | # define MUTEX_INIT(m) | |
381 | #endif | |
382 | ||
383 | #ifndef MUTEX_DESTROY | |
384 | # define MUTEX_DESTROY(m) | |
385 | #endif | |
386 | ||
387 | #ifndef COND_INIT | |
388 | # define COND_INIT(c) | |
389 | #endif | |
390 | ||
391 | #ifndef COND_SIGNAL | |
392 | # define COND_SIGNAL(c) | |
393 | #endif | |
394 | ||
395 | #ifndef COND_BROADCAST | |
396 | # define COND_BROADCAST(c) | |
397 | #endif | |
398 | ||
399 | #ifndef COND_WAIT | |
400 | # define COND_WAIT(c, m) | |
401 | #endif | |
402 | ||
403 | #ifndef COND_DESTROY | |
404 | # define COND_DESTROY(c) | |
405 | #endif | |
406 | ||
407 | #ifndef LOCK_SV_MUTEX | |
408 | # define LOCK_SV_MUTEX | |
409 | #endif | |
410 | ||
411 | #ifndef UNLOCK_SV_MUTEX | |
412 | # define UNLOCK_SV_MUTEX | |
413 | #endif | |
414 | ||
415 | #ifndef LOCK_STRTAB_MUTEX | |
416 | # define LOCK_STRTAB_MUTEX | |
417 | #endif | |
418 | ||
419 | #ifndef UNLOCK_STRTAB_MUTEX | |
420 | # define UNLOCK_STRTAB_MUTEX | |
421 | #endif | |
422 | ||
423 | #ifndef LOCK_CRED_MUTEX | |
424 | # define LOCK_CRED_MUTEX | |
425 | #endif | |
426 | ||
427 | #ifndef UNLOCK_CRED_MUTEX | |
428 | # define UNLOCK_CRED_MUTEX | |
429 | #endif | |
430 | ||
4755096e GS |
431 | #ifndef LOCK_FDPID_MUTEX |
432 | # define LOCK_FDPID_MUTEX | |
433 | #endif | |
434 | ||
435 | #ifndef UNLOCK_FDPID_MUTEX | |
436 | # define UNLOCK_FDPID_MUTEX | |
437 | #endif | |
438 | ||
631cfb58 GS |
439 | #ifndef LOCK_SV_LOCK_MUTEX |
440 | # define LOCK_SV_LOCK_MUTEX | |
441 | #endif | |
442 | ||
443 | #ifndef UNLOCK_SV_LOCK_MUTEX | |
444 | # define UNLOCK_SV_LOCK_MUTEX | |
445 | #endif | |
446 | ||
e2975953 JH |
447 | #ifndef LOCK_DOLLARZERO_MUTEX |
448 | # define LOCK_DOLLARZERO_MUTEX | |
449 | #endif | |
450 | ||
451 | #ifndef UNLOCK_DOLLARZERO_MUTEX | |
452 | # define UNLOCK_DOLLARZERO_MUTEX | |
453 | #endif | |
454 | ||
ba869deb | 455 | /* THR, SET_THR, and dTHR are there for compatibility with old versions */ |
1feb2720 | 456 | #ifndef THR |
ba869deb GS |
457 | # define THR PERL_GET_THX |
458 | #endif | |
459 | ||
460 | #ifndef SET_THR | |
461 | # define SET_THR(t) PERL_SET_THX(t) | |
1feb2720 GS |
462 | #endif |
463 | ||
464 | #ifndef dTHR | |
465 | # define dTHR dNOOP | |
466 | #endif | |
467 | ||
468 | #ifndef INIT_THREADS | |
469 | # define INIT_THREADS NOOP | |
470 | #endif |