3 * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
4 * by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
11 #if defined(USE_ITHREADS)
18 # include <win32thread.h>
21 # include <nw5thread.h>
23 # ifdef OLD_PTHREADS_API /* Here be dragons. */
27 if ((_eC_ = pthread_detach(&(t)->self))) { \
28 MUTEX_UNLOCK(&(t)->mutex); \
29 Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \
30 _eC_, __FILE__, __LINE__); \
34 # define PERL_GET_CONTEXT Perl_get_context()
35 # define PERL_SET_CONTEXT(t) Perl_set_context((void*)t)
37 # define PTHREAD_GETSPECIFIC_INT
39 # define pthread_addr_t any_t
40 # define NEED_PTHREAD_INIT
41 # define PTHREAD_CREATE_JOINABLE (1)
44 # define pthread_addr_t void *
45 # define pthread_create(t,a,s,d) pthread_create(t,&(a),s,d)
46 # define pthread_keycreate pthread_key_create
49 # define pthread_attr_init(a) pthread_attr_create(a)
50 # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s)
51 # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d)
52 # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
53 # define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
54 # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
56 # if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020
57 # define pthread_attr_init(a) pthread_attr_create(a)
58 /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */
59 # define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0)
60 # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d)
61 # define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
62 # define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
63 # define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
65 # if defined(DJGPP) || defined(OEMVS)
66 # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s))
67 # define YIELD pthread_yield(NULL)
70 # if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020
71 # define pthread_mutexattr_default NULL
72 # define pthread_condattr_default NULL
77 #ifndef PTHREAD_CREATE
78 /* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */
79 # define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d)
82 #ifndef PTHREAD_ATTR_SETDETACHSTATE
83 # define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s)
86 #ifndef PTHREAD_CREATE_JOINABLE
87 # ifdef OLD_PTHREAD_CREATE_JOINABLE
88 # define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE
90 # define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */
95 /* Default is 1024 on VAX, 8192 otherwise */
97 # define THREAD_CREATE_NEEDS_STACK (48*1024)
99 # define THREAD_CREATE_NEEDS_STACK (32*1024)
103 #ifdef I_MACH_CTHREADS
105 /* cthreads interface */
107 /* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */
109 #define MUTEX_INIT(m) \
111 *m = mutex_alloc(); \
115 Perl_croak_nocontext("panic: MUTEX_INIT [%s:%d]", \
116 __FILE__, __LINE__); \
120 #define MUTEX_LOCK(m) mutex_lock(*m)
121 #define MUTEX_UNLOCK(m) mutex_unlock(*m)
122 #define MUTEX_DESTROY(m) \
128 #define COND_INIT(c) \
130 *c = condition_alloc(); \
132 condition_init(*c); \
135 Perl_croak_nocontext("panic: COND_INIT [%s:%d]", \
136 __FILE__, __LINE__); \
140 #define COND_SIGNAL(c) condition_signal(*c)
141 #define COND_BROADCAST(c) condition_broadcast(*c)
142 #define COND_WAIT(c, m) condition_wait(*c, *m)
143 #define COND_DESTROY(c) \
145 condition_free(*c); \
149 #define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0)
150 #define THREAD_POST_CREATE(thr)
152 #define THREAD_RET_TYPE any_t
153 #define THREAD_RET_CAST(x) ((any_t) x)
155 #define DETACH(t) cthread_detach(t->self)
156 #define JOIN(t, avp) (*(avp) = MUTABLE_AV(cthread_join(t->self)))
158 #define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t)
159 #define PERL_GET_CONTEXT cthread_data(cthread_self())
161 #define INIT_THREADS cthread_init()
162 #define YIELD cthread_yield()
163 #define ALLOC_THREAD_KEY NOOP
164 #define FREE_THREAD_KEY NOOP
165 #define SET_THREAD_SELF(thr) (thr->self = cthread_self())
167 #endif /* I_MACH_CTHREADS */
171 # define YIELD SCHED_YIELD
173 # ifdef HAS_SCHED_YIELD
174 # define YIELD sched_yield()
176 # ifdef HAS_PTHREAD_YIELD
177 /* pthread_yield(NULL) platforms are expected
178 * to have #defined YIELD for themselves. */
179 # define YIELD pthread_yield()
186 # define MUTEX_INIT_NEEDS_MUTEX_ZEROED
191 # ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED
192 /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */
193 # define MUTEX_INIT(m) \
196 Zero((m), 1, perl_mutex); \
197 if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \
198 Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \
199 _eC_, __FILE__, __LINE__); \
202 # define MUTEX_INIT(m) \
205 if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \
206 Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \
207 _eC_, __FILE__, __LINE__); \
211 # define MUTEX_LOCK(m) \
214 if ((_eC_ = pthread_mutex_lock((m)))) \
215 Perl_croak_nocontext("panic: MUTEX_LOCK (%d) [%s:%d]", \
216 _eC_, __FILE__, __LINE__); \
219 # define MUTEX_UNLOCK(m) \
222 if ((_eC_ = pthread_mutex_unlock((m)))) \
223 Perl_croak_nocontext("panic: MUTEX_UNLOCK (%d) [%s:%d]", \
224 _eC_, __FILE__, __LINE__); \
227 # define MUTEX_DESTROY(m) \
230 if ((_eC_ = pthread_mutex_destroy((m)))) \
231 Perl_croak_nocontext("panic: MUTEX_DESTROY (%d) [%s:%d]", \
232 _eC_, __FILE__, __LINE__); \
234 #endif /* MUTEX_INIT */
237 # define COND_INIT(c) \
240 if ((_eC_ = pthread_cond_init((c), pthread_condattr_default))) \
241 Perl_croak_nocontext("panic: COND_INIT (%d) [%s:%d]", \
242 _eC_, __FILE__, __LINE__); \
245 # define COND_SIGNAL(c) \
248 if ((_eC_ = pthread_cond_signal((c)))) \
249 Perl_croak_nocontext("panic: COND_SIGNAL (%d) [%s:%d]", \
250 _eC_, __FILE__, __LINE__); \
253 # define COND_BROADCAST(c) \
256 if ((_eC_ = pthread_cond_broadcast((c)))) \
257 Perl_croak_nocontext("panic: COND_BROADCAST (%d) [%s:%d]", \
258 _eC_, __FILE__, __LINE__); \
261 # define COND_WAIT(c, m) \
264 if ((_eC_ = pthread_cond_wait((c), (m)))) \
265 Perl_croak_nocontext("panic: COND_WAIT (%d) [%s:%d]", \
266 _eC_, __FILE__, __LINE__); \
269 # define COND_DESTROY(c) \
272 if ((_eC_ = pthread_cond_destroy((c)))) \
273 Perl_croak_nocontext("panic: COND_DESTROY (%d) [%s:%d]", \
274 _eC_, __FILE__, __LINE__); \
276 #endif /* COND_INIT */
278 /* DETACH(t) must only be called while holding t->mutex */
283 if ((_eC_ = pthread_detach((t)->self))) { \
284 MUTEX_UNLOCK(&(t)->mutex); \
285 Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \
286 _eC_, __FILE__, __LINE__); \
292 # define JOIN(t, avp) \
295 if ((_eC_ = pthread_join((t)->self, (void**)(avp)))) \
296 Perl_croak_nocontext("panic: pthread_join (%d) [%s:%d]", \
297 _eC_, __FILE__, __LINE__); \
301 /* Use an unchecked fetch of thread-specific data instead of a checked one.
302 * It would fail if the key were bogus, but if the key were bogus then
303 * Really Bad Things would be happening anyway. --dan */
304 #if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \
305 (defined(__alpha) && defined(__osf__) && !defined(__GNUC__)) /* Available only on >= 4.0 */
306 # define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */
309 #ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP
310 # define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key)
312 # define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key)
315 #ifndef PERL_GET_CONTEXT
316 # define PERL_GET_CONTEXT PTHREAD_GETSPECIFIC(PL_thr_key)
319 #ifndef PERL_SET_CONTEXT
320 # define PERL_SET_CONTEXT(t) \
323 if ((_eC_ = pthread_setspecific(PL_thr_key, (void *)(t)))) \
324 Perl_croak_nocontext("panic: pthread_setspecific (%d) [%s:%d]", \
325 _eC_, __FILE__, __LINE__); \
327 #endif /* PERL_SET_CONTEXT */
330 # ifdef NEED_PTHREAD_INIT
331 # define INIT_THREADS pthread_init()
335 #ifndef ALLOC_THREAD_KEY
336 # define ALLOC_THREAD_KEY \
338 if (pthread_key_create(&PL_thr_key, 0)) { \
339 PERL_UNUSED_RESULT(write(2, STR_WITH_LEN("panic: pthread_key_create failed\n"))); \
345 #ifndef FREE_THREAD_KEY
346 # define FREE_THREAD_KEY \
348 pthread_key_delete(PL_thr_key); \
352 #ifndef PTHREAD_ATFORK
353 # ifdef HAS_PTHREAD_ATFORK
354 # define PTHREAD_ATFORK(prepare,parent,child) \
355 pthread_atfork(prepare,parent,child)
357 # define PTHREAD_ATFORK(prepare,parent,child) \
362 #ifndef THREAD_RET_TYPE
363 # define THREAD_RET_TYPE void *
364 # define THREAD_RET_CAST(p) ((void *)(p))
365 #endif /* THREAD_RET */
367 # define LOCK_DOLLARZERO_MUTEX MUTEX_LOCK(&PL_dollarzero_mutex)
368 # define UNLOCK_DOLLARZERO_MUTEX MUTEX_UNLOCK(&PL_dollarzero_mutex)
370 #endif /* USE_ITHREADS */
373 # define MUTEX_LOCK(m)
377 # define MUTEX_UNLOCK(m)
381 # define MUTEX_INIT(m)
384 #ifndef MUTEX_DESTROY
385 # define MUTEX_DESTROY(m)
389 # define COND_INIT(c)
393 # define COND_SIGNAL(c)
396 #ifndef COND_BROADCAST
397 # define COND_BROADCAST(c)
401 # define COND_WAIT(c, m)
405 # define COND_DESTROY(c)
408 #ifndef LOCK_DOLLARZERO_MUTEX
409 # define LOCK_DOLLARZERO_MUTEX
412 #ifndef UNLOCK_DOLLARZERO_MUTEX
413 # define UNLOCK_DOLLARZERO_MUTEX
416 /* THR, SET_THR, and dTHR are there for compatibility with old versions */
418 # define THR PERL_GET_THX
422 # define SET_THR(t) PERL_SET_THX(t)
430 # define INIT_THREADS NOOP
435 * c-indentation-style: bsd
437 * indent-tabs-mode: nil
440 * ex: set ts=8 sts=4 sw=4 et: