STMT_START { \
if (pthread_detach(&(t)->self)) { \
MUTEX_UNLOCK(&(t)->mutex); \
- croak("panic: DETACH"); \
+ Perl_croak(aTHX_ "panic: DETACH"); \
} \
} STMT_END
# define THR getTHR()
-struct perl_thread *getTHR _((void));
+struct perl_thread *getTHR (void);
# define PTHREAD_GETSPECIFIC_INT
# ifdef DJGPP
# define pthread_addr_t any_t
# define YIELD pthread_yield(NULL)
# endif
# endif
-# ifndef VMS
# define pthread_mutexattr_default NULL
# define pthread_condattr_default NULL
-# endif
#endif
#ifndef PTHREAD_CREATE
# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s)
#endif
+#ifndef PTHREAD_CREATE_JOINABLE
+# ifdef OLD_PTHREAD_CREATE_JOINABLE
+# define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE
+# else
+# define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */
+# endif
+#endif
+
+#ifdef I_MACH_CTHREADS
+
+/* cthreads interface */
+
+/* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */
+
+#define MUTEX_INIT(m) \
+ STMT_START { \
+ *m = mutex_alloc(); \
+ if (*m) { \
+ mutex_init(*m); \
+ } else { \
+ Perl_croak(aTHX_ "panic: MUTEX_INIT"); \
+ } \
+ } STMT_END
+
+#define MUTEX_LOCK(m) mutex_lock(*m)
+#define MUTEX_UNLOCK(m) mutex_unlock(*m)
+#define MUTEX_DESTROY(m) \
+ STMT_START { \
+ mutex_free(*m); \
+ *m = 0; \
+ } STMT_END
+
+#define COND_INIT(c) \
+ STMT_START { \
+ *c = condition_alloc(); \
+ if (*c) { \
+ condition_init(*c); \
+ } else { \
+ Perl_croak(aTHX_ "panic: COND_INIT"); \
+ } \
+ } STMT_END
+
+#define COND_SIGNAL(c) condition_signal(*c)
+#define COND_BROADCAST(c) condition_broadcast(*c)
+#define COND_WAIT(c, m) condition_wait(*c, *m)
+#define COND_DESTROY(c) \
+ STMT_START { \
+ condition_free(*c); \
+ *c = 0; \
+ } STMT_END
+
+#define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0)
+#define THREAD_POST_CREATE(thr)
+
+#define THREAD_RET_TYPE any_t
+#define THREAD_RET_CAST(x) ((any_t) x)
+
+#define DETACH(t) cthread_detach(t->self)
+#define JOIN(t, avp) (*(avp) = (AV *)cthread_join(t->self))
+
+#define SET_THR(thr) cthread_set_data(cthread_self(), thr)
+#define THR cthread_data(cthread_self())
+
+#define INIT_THREADS cthread_init()
+#define YIELD cthread_yield()
+#define ALLOC_THREAD_KEY
+#define SET_THREAD_SELF(thr) (thr->self = cthread_self())
+
+#endif /* I_MACH_CTHREADS */
+
#ifndef YIELD
# ifdef SCHED_YIELD
# define YIELD SCHED_YIELD
# endif
#endif
-#ifdef PTHREADS_CREATED_JOINABLE
-# define ATTR_JOINABLE PTHREAD_CREATE_JOINABLE
-#else
-# ifdef PTHREAD_CREATE_UNDETACHED
-# define ATTR_JOINABLE PTHREAD_CREATE_UNDETACHED
-# else
-# ifdef __UNDETACHED
-# define ATTR_JOINABLE __UNDETACHED
-# endif
-# endif
+#ifdef __hpux
+# define MUTEX_INIT_NEEDS_MUTEX_ZEROED
#endif
#ifndef MUTEX_INIT
+#ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED
+ /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */
+#define MUTEX_INIT(m) \
+ STMT_START { \
+ Zero((m), 1, perl_mutex); \
+ if (pthread_mutex_init((m), pthread_mutexattr_default)) \
+ Perl_croak(aTHX_ "panic: MUTEX_INIT"); \
+ } STMT_END
+#else
#define MUTEX_INIT(m) \
STMT_START { \
if (pthread_mutex_init((m), pthread_mutexattr_default)) \
- croak("panic: MUTEX_INIT"); \
+ Perl_croak(aTHX_ "panic: MUTEX_INIT"); \
} STMT_END
+#endif
#define MUTEX_LOCK(m) \
STMT_START { \
if (pthread_mutex_lock((m))) \
- croak("panic: MUTEX_LOCK"); \
+ Perl_croak(aTHX_ "panic: MUTEX_LOCK"); \
} STMT_END
#define MUTEX_UNLOCK(m) \
STMT_START { \
if (pthread_mutex_unlock((m))) \
- croak("panic: MUTEX_UNLOCK"); \
+ Perl_croak(aTHX_ "panic: MUTEX_UNLOCK"); \
+ } STMT_END
+#define MUTEX_LOCK_NOCONTEXT(m) \
+ STMT_START { \
+ if (pthread_mutex_lock((m))) \
+ Perl_croak_nocontext("panic: MUTEX_LOCK"); \
+ } STMT_END
+#define MUTEX_UNLOCK_NOCONTEXT(m) \
+ STMT_START { \
+ if (pthread_mutex_unlock((m))) \
+ Perl_croak_nocontext("panic: MUTEX_UNLOCK");\
} STMT_END
#define MUTEX_DESTROY(m) \
STMT_START { \
if (pthread_mutex_destroy((m))) \
- croak("panic: MUTEX_DESTROY"); \
+ Perl_croak(aTHX_ "panic: MUTEX_DESTROY"); \
} STMT_END
#endif /* MUTEX_INIT */
#define COND_INIT(c) \
STMT_START { \
if (pthread_cond_init((c), pthread_condattr_default)) \
- croak("panic: COND_INIT"); \
+ Perl_croak(aTHX_ "panic: COND_INIT"); \
} STMT_END
#define COND_SIGNAL(c) \
STMT_START { \
if (pthread_cond_signal((c))) \
- croak("panic: COND_SIGNAL"); \
+ Perl_croak(aTHX_ "panic: COND_SIGNAL"); \
} STMT_END
#define COND_BROADCAST(c) \
STMT_START { \
if (pthread_cond_broadcast((c))) \
- croak("panic: COND_BROADCAST"); \
+ Perl_croak(aTHX_ "panic: COND_BROADCAST"); \
} STMT_END
#define COND_WAIT(c, m) \
STMT_START { \
if (pthread_cond_wait((c), (m))) \
- croak("panic: COND_WAIT"); \
+ Perl_croak(aTHX_ "panic: COND_WAIT"); \
} STMT_END
#define COND_DESTROY(c) \
STMT_START { \
if (pthread_cond_destroy((c))) \
- croak("panic: COND_DESTROY"); \
+ Perl_croak(aTHX_ "panic: COND_DESTROY"); \
} STMT_END
#endif /* COND_INIT */
STMT_START { \
if (pthread_detach((t)->self)) { \
MUTEX_UNLOCK(&(t)->mutex); \
- croak("panic: DETACH"); \
+ Perl_croak(aTHX_ "panic: DETACH"); \
} \
} STMT_END
#endif /* DETACH */
#define JOIN(t, avp) \
STMT_START { \
if (pthread_join((t)->self, (void**)(avp))) \
- croak("panic: pthread_join"); \
+ Perl_croak(aTHX_ "panic: pthread_join"); \
} STMT_END
#endif /* JOIN */
#define SET_THR(t) \
STMT_START { \
if (pthread_setspecific(PL_thr_key, (void *) (t))) \
- croak("panic: pthread_setspecific"); \
+ Perl_croak(aTHX_ "panic: pthread_setspecific"); \
} STMT_END
#endif /* SET_THR */
* from thrsv which is cached in the per-interpreter structure.
* Systems with very fast pthread_get_specific (which should be all systems
* but unfortunately isn't) may wish to simplify to "...*thr = THR".
+ *
+ * The use of PL_threadnum should be safe here.
*/
#ifndef dTHR
# define dTHR \
* try only locking them if there may be more than one thread in existence.
* Systems with very fast mutexes (and/or slow conditionals) may wish to
* remove the "if (threadnum) ..." test.
+ * XXX do NOT use C<if (PL_threadnum) ...> -- it sets up race conditions!
*/
#define LOCK_SV_MUTEX \
STMT_START { \
- if (PL_threadnum) \
- MUTEX_LOCK(&PL_sv_mutex); \
+ MUTEX_LOCK(&PL_sv_mutex); \
} STMT_END
#define UNLOCK_SV_MUTEX \
STMT_START { \
- if (PL_threadnum) \
- MUTEX_UNLOCK(&PL_sv_mutex); \
+ MUTEX_UNLOCK(&PL_sv_mutex); \
} STMT_END
/* Likewise for strtab_mutex */
#define LOCK_STRTAB_MUTEX \
STMT_START { \
- if (PL_threadnum) \
- MUTEX_LOCK(&PL_strtab_mutex); \
+ MUTEX_LOCK(&PL_strtab_mutex); \
} STMT_END
#define UNLOCK_STRTAB_MUTEX \
STMT_START { \
- if (PL_threadnum) \
- MUTEX_UNLOCK(&PL_strtab_mutex); \
+ MUTEX_UNLOCK(&PL_strtab_mutex); \
} STMT_END
#ifndef THREAD_RET_TYPE
#define ThrSETSTATE(t, s) STMT_START { \
(t)->flags &= ~THRf_STATE_MASK; \
(t)->flags |= (s); \
- DEBUG_S(PerlIO_printf(PerlIO_stderr(), \
+ DEBUG_S(PerlIO_printf(Perl_debug_log, \
"thread %p set to state %d\n", (t), (s))); \
} STMT_END
#else
/* USE_THREADS is not defined */
#define MUTEX_LOCK(m)
+#define MUTEX_LOCK_NOCONTEXT(m)
#define MUTEX_UNLOCK(m)
+#define MUTEX_UNLOCK_NOCONTEXT(m)
#define MUTEX_INIT(m)
#define MUTEX_DESTROY(m)
#define COND_INIT(c)
#define UNLOCK_STRTAB_MUTEX
#define THR
-/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
-#ifdef WIN32
-#define dTHR extern int Perl___notused
-#else
-#define dTHR extern int errno
-#endif
+#define dTHR dNOOP
#endif /* USE_THREADS */
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