X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/3db8f154c4c6e098a5a0bdf7932e8f86fbd2c451..8ff33955047e041e6195abad9184b13c293b7c8b:/thread.h

diff --git a/thread.h b/thread.h
index 1d33161..3b84f36 100644
--- a/thread.h
+++ b/thread.h
@@ -1,6 +1,7 @@
 /*    thread.h
  *
- *    Copyright (c) 1997-2002, Larry Wall
+ *    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -22,9 +23,11 @@
 #  ifdef OLD_PTHREADS_API /* Here be dragons. */
 #    define DETACH(t) \
     STMT_START {						\
-	if (pthread_detach(&(t)->self)) {			\
+	int _eC_;						\
+	if ((_eC_ = pthread_detach(&(t)->self))) {		\
 	    MUTEX_UNLOCK(&(t)->mutex);				\
-	    Perl_croak_nocontext("panic: DETACH");		\
+	    Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
 	}							\
     } STMT_END
 
@@ -40,6 +43,11 @@
 #    ifdef __OPEN_VM
 #      define pthread_addr_t void *
 #    endif
+#    ifdef OEMVS
+#      define pthread_addr_t void *
+#      define pthread_create(t,a,s,d)        pthread_create(t,&(a),s,d)
+#      define pthread_keycreate              pthread_key_create
+#    endif
 #    ifdef VMS
 #      define pthread_attr_init(a) pthread_attr_create(a)
 #      define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s)
@@ -57,7 +65,7 @@
 #      define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
 #      define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
 #    endif
-#    if defined(DJGPP) || defined(__OPEN_VM)
+#    if defined(DJGPP) || defined(__OPEN_VM) || defined(OEMVS)
 #      define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s))
 #      define YIELD pthread_yield(NULL)
 #    endif
@@ -90,6 +98,15 @@
 #  define THREAD_CREATE_NEEDS_STACK (32*1024)
 #endif
 
+#ifdef __VMS
+  /* Default is 1024 on VAX, 8192 otherwise */
+#  ifdef __ia64
+#    define THREAD_CREATE_NEEDS_STACK (48*1024)
+#  else
+#    define THREAD_CREATE_NEEDS_STACK (32*1024)
+#  endif
+#endif
+
 #ifdef I_MACH_CTHREADS
 
 /* cthreads interface */
@@ -102,7 +119,8 @@
 	if (*m) {						\
 	    mutex_init(*m);					\
 	} else {						\
-	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
+	    Perl_croak_nocontext("panic: MUTEX_INIT [%s:%d]",	\
+				 __FILE__, __LINE__);		\
 	}							\
     } STMT_END
 
@@ -121,7 +139,8 @@
 	    condition_init(*c);					\
 	}							\
 	else {							\
-	    Perl_croak_nocontext("panic: COND_INIT");		\
+	    Perl_croak_nocontext("panic: COND_INIT [%s:%d]",	\
+				 __FILE__, __LINE__);		\
 	}							\
     } STMT_END
 
@@ -141,7 +160,7 @@
 #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 JOIN(t, avp)		(*(avp) = MUTABLE_AV(cthread_join(t->self)))
 
 #define PERL_SET_CONTEXT(t)	cthread_set_data(cthread_self(), t)
 #define PERL_GET_CONTEXT	cthread_data(cthread_self())
@@ -180,66 +199,86 @@
     /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */
 #    define MUTEX_INIT(m) \
     STMT_START {						\
+	int _eC_;						\
 	Zero((m), 1, perl_mutex);                               \
- 	if (pthread_mutex_init((m), pthread_mutexattr_default))	\
-	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
+ 	if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default)))	\
+	    Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #  else
 #    define MUTEX_INIT(m) \
     STMT_START {						\
-	if (pthread_mutex_init((m), pthread_mutexattr_default))	\
-	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
+	int _eC_;						\
+	if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default)))	\
+	    Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #  endif
 
 #  define MUTEX_LOCK(m) \
     STMT_START {						\
-	if (pthread_mutex_lock((m)))				\
-	    Perl_croak_nocontext("panic: MUTEX_LOCK");		\
+	int _eC_;						\
+	if ((_eC_ = pthread_mutex_lock((m))))			\
+	    Perl_croak_nocontext("panic: MUTEX_LOCK (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define MUTEX_UNLOCK(m) \
     STMT_START {						\
-	if (pthread_mutex_unlock((m)))				\
-	    Perl_croak_nocontext("panic: MUTEX_UNLOCK");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_mutex_unlock((m))))			\
+	    Perl_croak_nocontext("panic: MUTEX_UNLOCK (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define MUTEX_DESTROY(m) \
     STMT_START {						\
-	if (pthread_mutex_destroy((m)))				\
-	    Perl_croak_nocontext("panic: MUTEX_DESTROY");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_mutex_destroy((m))))		\
+	    Perl_croak_nocontext("panic: MUTEX_DESTROY (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #endif /* MUTEX_INIT */
 
 #ifndef COND_INIT
 #  define COND_INIT(c) \
     STMT_START {						\
-	if (pthread_cond_init((c), pthread_condattr_default))	\
-	    Perl_croak_nocontext("panic: COND_INIT");		\
+	int _eC_;						\
+	if ((_eC_ = pthread_cond_init((c), pthread_condattr_default)))	\
+	    Perl_croak_nocontext("panic: COND_INIT (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define COND_SIGNAL(c) \
     STMT_START {						\
-	if (pthread_cond_signal((c)))				\
-	    Perl_croak_nocontext("panic: COND_SIGNAL");		\
+	int _eC_;						\
+	if ((_eC_ = pthread_cond_signal((c))))			\
+	    Perl_croak_nocontext("panic: COND_SIGNAL (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define COND_BROADCAST(c) \
     STMT_START {						\
-	if (pthread_cond_broadcast((c)))			\
-	    Perl_croak_nocontext("panic: COND_BROADCAST");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_cond_broadcast((c))))		\
+	    Perl_croak_nocontext("panic: COND_BROADCAST (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define COND_WAIT(c, m) \
     STMT_START {						\
-	if (pthread_cond_wait((c), (m)))			\
-	    Perl_croak_nocontext("panic: COND_WAIT");		\
+	int _eC_;						\
+	if ((_eC_ = pthread_cond_wait((c), (m))))		\
+	    Perl_croak_nocontext("panic: COND_WAIT (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 
 #  define COND_DESTROY(c) \
     STMT_START {						\
-	if (pthread_cond_destroy((c)))				\
-	    Perl_croak_nocontext("panic: COND_DESTROY");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_cond_destroy((c))))			\
+	    Perl_croak_nocontext("panic: COND_DESTROY (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #endif /* COND_INIT */
 
@@ -247,9 +286,11 @@
 #ifndef DETACH
 #  define DETACH(t) \
     STMT_START {						\
-	if (pthread_detach((t)->self)) {			\
+	int _eC_;						\
+	if ((_eC_ = pthread_detach((t)->self))) {		\
 	    MUTEX_UNLOCK(&(t)->mutex);				\
-	    Perl_croak_nocontext("panic: DETACH");		\
+	    Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
 	}							\
     } STMT_END
 #endif /* DETACH */
@@ -257,8 +298,10 @@
 #ifndef JOIN
 #  define JOIN(t, avp) \
     STMT_START {						\
-	if (pthread_join((t)->self, (void**)(avp)))		\
-	    Perl_croak_nocontext("panic: pthread_join");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_join((t)->self, (void**)(avp))))	\
+	    Perl_croak_nocontext("panic: pthread_join (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #endif /* JOIN */
 
@@ -273,7 +316,7 @@
 #ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP
 #  define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key)
 #else
-#  define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key)
+#    define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key)
 #endif
 
 #ifndef PERL_GET_CONTEXT
@@ -283,8 +326,10 @@
 #ifndef PERL_SET_CONTEXT
 #  define PERL_SET_CONTEXT(t) \
     STMT_START {						\
-	if (pthread_setspecific(PL_thr_key, (void *)(t)))	\
-	    Perl_croak_nocontext("panic: pthread_setspecific");	\
+	int _eC_;						\
+	if ((_eC_ = pthread_setspecific(PL_thr_key, (void *)(t))))	\
+	    Perl_croak_nocontext("panic: pthread_setspecific (%d) [%s:%d]",	\
+				 _eC_, __FILE__, __LINE__);	\
     } STMT_END
 #endif /* PERL_SET_CONTEXT */
 
@@ -297,8 +342,8 @@
 #ifndef ALLOC_THREAD_KEY
 #  define ALLOC_THREAD_KEY \
     STMT_START {						\
-	if (pthread_key_create(&PL_thr_key, 0))	{		\
-	    PerlIO_printf(PerlIO_stderr(), "panic: pthread_key_create");	\
+	if (pthread_key_create(&PL_thr_key, 0)) {		\
+            write(2, STR_WITH_LEN("panic: pthread_key_create failed\n")); \
 	    exit(1);						\
 	}							\
     } STMT_END
@@ -326,6 +371,9 @@
 #  define THREAD_RET_CAST(p)	((void *)(p))
 #endif /* THREAD_RET */
 
+#  define LOCK_DOLLARZERO_MUTEX		MUTEX_LOCK(&PL_dollarzero_mutex)
+#  define UNLOCK_DOLLARZERO_MUTEX	MUTEX_UNLOCK(&PL_dollarzero_mutex)
+
 #endif /* USE_ITHREADS */
 
 #ifndef MUTEX_LOCK
@@ -364,44 +412,12 @@
 #  define COND_DESTROY(c)
 #endif
 
-#ifndef LOCK_SV_MUTEX
-#  define LOCK_SV_MUTEX
-#endif
-
-#ifndef UNLOCK_SV_MUTEX
-#  define UNLOCK_SV_MUTEX
-#endif
-
-#ifndef LOCK_STRTAB_MUTEX
-#  define LOCK_STRTAB_MUTEX
-#endif
-
-#ifndef UNLOCK_STRTAB_MUTEX
-#  define UNLOCK_STRTAB_MUTEX
+#ifndef LOCK_DOLLARZERO_MUTEX
+#  define LOCK_DOLLARZERO_MUTEX
 #endif
 
-#ifndef LOCK_CRED_MUTEX
-#  define LOCK_CRED_MUTEX
-#endif
-
-#ifndef UNLOCK_CRED_MUTEX
-#  define UNLOCK_CRED_MUTEX
-#endif
-
-#ifndef LOCK_FDPID_MUTEX
-#  define LOCK_FDPID_MUTEX
-#endif
-
-#ifndef UNLOCK_FDPID_MUTEX
-#  define UNLOCK_FDPID_MUTEX
-#endif
-
-#ifndef LOCK_SV_LOCK_MUTEX
-#  define LOCK_SV_LOCK_MUTEX
-#endif
-
-#ifndef UNLOCK_SV_LOCK_MUTEX
-#  define UNLOCK_SV_LOCK_MUTEX
+#ifndef UNLOCK_DOLLARZERO_MUTEX
+#  define UNLOCK_DOLLARZERO_MUTEX
 #endif
 
 /* THR, SET_THR, and dTHR are there for compatibility with old versions */
@@ -420,3 +436,13 @@
 #ifndef INIT_THREADS
 #  define INIT_THREADS NOOP
 #endif
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */