From: Gurusamy Sarathy <gsar@cpan.org>
Date: Sat, 11 Mar 2000 16:50:05 +0000 (+0000)
Subject: avoid using context pointer in MUTEX_INIT() et al; remove the
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=efc57feb990d7c1543c73387ff9802db712d8581;p=p5sagit%2Fp5-mst-13.2.git

avoid using context pointer in MUTEX_INIT() et al; remove the
*_NOCONTEXT variants to keep it simple

p4raw-id: //depot/perl@5651
---

diff --git a/malloc.c b/malloc.c
index f76a210..57ca5a1 100644
--- a/malloc.c
+++ b/malloc.c
@@ -150,8 +150,8 @@
      warn(format, arg)			fprintf(stderr, idem)
 
      # Locking/unlocking for MT operation
-     MALLOC_LOCK			MUTEX_LOCK_NOCONTEXT(&PL_malloc_mutex)
-     MALLOC_UNLOCK			MUTEX_UNLOCK_NOCONTEXT(&PL_malloc_mutex)
+     MALLOC_LOCK			MUTEX_LOCK(&PL_malloc_mutex)
+     MALLOC_UNLOCK			MUTEX_UNLOCK(&PL_malloc_mutex)
 
      # Locking/unlocking mutex for MT operation
      MUTEX_LOCK(l)			void
@@ -319,11 +319,11 @@
 #endif 
 
 #ifndef MALLOC_LOCK
-#  define MALLOC_LOCK		MUTEX_LOCK_NOCONTEXT(&PL_malloc_mutex)
+#  define MALLOC_LOCK		MUTEX_LOCK(&PL_malloc_mutex)
 #endif 
 
 #ifndef MALLOC_UNLOCK
-#  define MALLOC_UNLOCK		MUTEX_UNLOCK_NOCONTEXT(&PL_malloc_mutex)
+#  define MALLOC_UNLOCK		MUTEX_UNLOCK(&PL_malloc_mutex)
 #endif 
 
 #  ifndef fatalcroak				/* make depend */
diff --git a/thread.h b/thread.h
index 72292b5..0ea9e74 100644
--- a/thread.h
+++ b/thread.h
@@ -8,7 +8,7 @@
     STMT_START {						\
 	if (pthread_detach(&(t)->self)) {			\
 	    MUTEX_UNLOCK(&(t)->mutex);				\
-	    Perl_croak(aTHX_ "panic: DETACH");			\
+	    Perl_croak_nocontext("panic: DETACH");		\
 	}							\
     } STMT_END
 
@@ -70,14 +70,12 @@
 	if (*m) {						\
 	    mutex_init(*m);					\
 	} else {						\
-	    Perl_croak(aTHX_ "panic: MUTEX_INIT");		\
+	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
 	}							\
     } STMT_END
 
 #define MUTEX_LOCK(m)			mutex_lock(*m)
-#define MUTEX_LOCK_NOCONTEXT(m)		mutex_lock(*m)
 #define MUTEX_UNLOCK(m)			mutex_unlock(*m)
-#define MUTEX_UNLOCK_NOCONTEXT(m)	mutex_unlock(*m)
 #define MUTEX_DESTROY(m) \
     STMT_START {						\
 	mutex_free(*m);						\
@@ -91,7 +89,7 @@
 	    condition_init(*c);					\
 	}							\
 	else {							\
-	    Perl_croak(aTHX_ "panic: COND_INIT");		\
+	    Perl_croak_nocontext("panic: COND_INIT");		\
 	}							\
     } STMT_END
 
@@ -151,35 +149,23 @@
     STMT_START {						\
 	Zero((m), 1, perl_mutex);                               \
  	if (pthread_mutex_init((m), pthread_mutexattr_default))	\
-	    Perl_croak(aTHX_ "panic: MUTEX_INIT");		\
+	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
     } STMT_END
 #  else
 #    define MUTEX_INIT(m) \
     STMT_START {						\
 	if (pthread_mutex_init((m), pthread_mutexattr_default))	\
-	    Perl_croak(aTHX_ "panic: MUTEX_INIT");		\
+	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
     } STMT_END
 #  endif
 
 #  define MUTEX_LOCK(m) \
     STMT_START {						\
 	if (pthread_mutex_lock((m)))				\
-	    Perl_croak(aTHX_ "panic: MUTEX_LOCK");		\
-    } STMT_END
-
-#  define MUTEX_UNLOCK(m) \
-    STMT_START {						\
-	if (pthread_mutex_unlock((m)))				\
-	    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) \
+#  define MUTEX_UNLOCK(m) \
     STMT_START {						\
 	if (pthread_mutex_unlock((m)))				\
 	    Perl_croak_nocontext("panic: MUTEX_UNLOCK");	\
@@ -188,7 +174,7 @@
 #  define MUTEX_DESTROY(m) \
     STMT_START {						\
 	if (pthread_mutex_destroy((m)))				\
-	    Perl_croak(aTHX_ "panic: MUTEX_DESTROY");		\
+	    Perl_croak_nocontext("panic: MUTEX_DESTROY");	\
     } STMT_END
 #endif /* MUTEX_INIT */
 
@@ -196,31 +182,31 @@
 #  define COND_INIT(c) \
     STMT_START {						\
 	if (pthread_cond_init((c), pthread_condattr_default))	\
-	    Perl_croak(aTHX_ "panic: COND_INIT");		\
+	    Perl_croak_nocontext("panic: COND_INIT");		\
     } STMT_END
 
 #  define COND_SIGNAL(c) \
     STMT_START {						\
 	if (pthread_cond_signal((c)))				\
-	    Perl_croak(aTHX_ "panic: COND_SIGNAL");		\
+	    Perl_croak_nocontext("panic: COND_SIGNAL");		\
     } STMT_END
 
 #  define COND_BROADCAST(c) \
     STMT_START {						\
 	if (pthread_cond_broadcast((c)))			\
-	    Perl_croak(aTHX_ "panic: COND_BROADCAST");		\
+	    Perl_croak_nocontext("panic: COND_BROADCAST");	\
     } STMT_END
 
 #  define COND_WAIT(c, m) \
     STMT_START {						\
 	if (pthread_cond_wait((c), (m)))			\
-	    Perl_croak(aTHX_ "panic: COND_WAIT");		\
+	    Perl_croak_nocontext("panic: COND_WAIT");		\
     } STMT_END
 
 #  define COND_DESTROY(c) \
     STMT_START {						\
 	if (pthread_cond_destroy((c)))				\
-	    Perl_croak(aTHX_ "panic: COND_DESTROY");		\
+	    Perl_croak_nocontext("panic: COND_DESTROY");	\
     } STMT_END
 #endif /* COND_INIT */
 
@@ -230,7 +216,7 @@
     STMT_START {						\
 	if (pthread_detach((t)->self)) {			\
 	    MUTEX_UNLOCK(&(t)->mutex);				\
-	    Perl_croak(aTHX_ "panic: DETACH");			\
+	    Perl_croak_nocontext("panic: DETACH");		\
 	}							\
     } STMT_END
 #endif /* DETACH */
@@ -239,7 +225,7 @@
 #  define JOIN(t, avp) \
     STMT_START {						\
 	if (pthread_join((t)->self, (void**)(avp)))		\
-	    Perl_croak(aTHX_ "panic: pthread_join");		\
+	    Perl_croak_nocontext("panic: pthread_join");	\
     } STMT_END
 #endif /* JOIN */
 
@@ -251,7 +237,7 @@
 #  define PERL_SET_CONTEXT(t) \
     STMT_START {						\
 	if (pthread_setspecific(PL_thr_key, (void *)(t)))	\
-	    Perl_croak(aTHX_ "panic: pthread_setspecific");	\
+	    Perl_croak_nocontext("panic: pthread_setspecific");	\
     } STMT_END
 #endif /* PERL_SET_CONTEXT */
 
@@ -334,18 +320,10 @@ typedef struct condpair {
 #  define MUTEX_LOCK(m)
 #endif
 
-#ifndef MUTEX_LOCK_NOCONTEXT
-#  define MUTEX_LOCK_NOCONTEXT(m)
-#endif
-
 #ifndef MUTEX_UNLOCK
 #  define MUTEX_UNLOCK(m)
 #endif
 
-#ifndef MUTEX_UNLOCK_NOCONTEXT
-#  define MUTEX_UNLOCK_NOCONTEXT(m)
-#endif
-
 #ifndef MUTEX_INIT
 #  define MUTEX_INIT(m)
 #endif
diff --git a/win32/win32thread.h b/win32/win32thread.h
index 46c6bf5..809e0f7 100644
--- a/win32/win32thread.h
+++ b/win32/win32thread.h
@@ -17,8 +17,6 @@ typedef CRITICAL_SECTION perl_mutex;
 #define MUTEX_INIT(m) InitializeCriticalSection(m)
 #define MUTEX_LOCK(m) EnterCriticalSection(m)
 #define MUTEX_UNLOCK(m) LeaveCriticalSection(m)
-#define MUTEX_LOCK_NOCONTEXT(m) EnterCriticalSection(m)
-#define MUTEX_UNLOCK_NOCONTEXT(m) LeaveCriticalSection(m)
 #define MUTEX_DESTROY(m) DeleteCriticalSection(m)
 
 #else
@@ -27,28 +25,16 @@ typedef HANDLE perl_mutex;
 #  define MUTEX_INIT(m) \
     STMT_START {						\
 	if ((*(m) = CreateMutex(NULL,FALSE,NULL)) == NULL)	\
-	    Perl_croak(aTHX_ "panic: MUTEX_INIT");		\
+	    Perl_croak_nocontext("panic: MUTEX_INIT");		\
     } STMT_END
 
 #  define MUTEX_LOCK(m) \
     STMT_START {						\
 	if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED)	\
-	    Perl_croak(aTHX_ "panic: MUTEX_LOCK");		\
-    } STMT_END
-
-#  define MUTEX_UNLOCK(m) \
-    STMT_START {						\
-	if (ReleaseMutex(*(m)) == 0)				\
-	    Perl_croak(aTHX_ "panic: MUTEX_UNLOCK");		\
-    } STMT_END
-
-#  define MUTEX_LOCK_NOCONTEXT(m) \
-    STMT_START {						\
-	if (WaitForSingleObject(*(m),INFINITE) == WAIT_FAILED)	\
 	    Perl_croak_nocontext("panic: MUTEX_LOCK");		\
     } STMT_END
 
-#  define MUTEX_UNLOCK_NOCONTEXT(m) \
+#  define MUTEX_UNLOCK(m) \
     STMT_START {						\
 	if (ReleaseMutex(*(m)) == 0)				\
 	    Perl_croak_nocontext("panic: MUTEX_UNLOCK");	\
@@ -57,7 +43,7 @@ typedef HANDLE perl_mutex;
 #  define MUTEX_DESTROY(m) \
     STMT_START {						\
 	if (CloseHandle(*(m)) == 0)				\
-	    Perl_croak(aTHX_ "panic: MUTEX_DESTROY");		\
+	    Perl_croak_nocontext("panic: MUTEX_DESTROY");	\
     } STMT_END
 
 #endif
@@ -71,21 +57,21 @@ typedef HANDLE perl_mutex;
 	(c)->waiters = 0;					\
 	(c)->sem = CreateSemaphore(NULL,0,LONG_MAX,NULL);	\
 	if ((c)->sem == NULL)					\
-	    Perl_croak(aTHX_ "panic: COND_INIT (%ld)",GetLastError());	\
+	    Perl_croak_nocontext("panic: COND_INIT (%ld)",GetLastError());	\
     } STMT_END
 
 #define COND_SIGNAL(c) \
     STMT_START {						\
 	if ((c)->waiters > 0 &&					\
 	    ReleaseSemaphore((c)->sem,1,NULL) == 0)		\
-	    Perl_croak(aTHX_ "panic: COND_SIGNAL (%ld)",GetLastError());	\
+	    Perl_croak_nocontext("panic: COND_SIGNAL (%ld)",GetLastError());	\
     } STMT_END
 
 #define COND_BROADCAST(c) \
     STMT_START {						\
 	if ((c)->waiters > 0 &&					\
 	    ReleaseSemaphore((c)->sem,(c)->waiters,NULL) == 0)	\
-	    Perl_croak(aTHX_ "panic: COND_BROADCAST (%ld)",GetLastError());\
+	    Perl_croak_nocontext("panic: COND_BROADCAST (%ld)",GetLastError());\
     } STMT_END
 
 #define COND_WAIT(c, m) \
@@ -96,7 +82,7 @@ typedef HANDLE perl_mutex;
 	 * COND_BROADCAST() on another thread will have seen the\
 	 * right number of waiters (i.e. including this one) */	\
 	if (WaitForSingleObject((c)->sem,INFINITE)==WAIT_FAILED)\
-	    Perl_croak(aTHX_ "panic: COND_WAIT (%ld)",GetLastError());	\
+	    Perl_croak_nocontext("panic: COND_WAIT (%ld)",GetLastError());	\
 	/* XXX there may be an inconsequential race here */	\
 	MUTEX_LOCK(m);						\
 	(c)->waiters--;						\
@@ -106,14 +92,14 @@ typedef HANDLE perl_mutex;
     STMT_START {						\
 	(c)->waiters = 0;					\
 	if (CloseHandle((c)->sem) == 0)				\
-	    Perl_croak(aTHX_ "panic: COND_DESTROY (%ld)",GetLastError());	\
+	    Perl_croak_nocontext("panic: COND_DESTROY (%ld)",GetLastError());	\
     } STMT_END
 
 #define DETACH(t) \
     STMT_START {						\
 	if (CloseHandle((t)->self) == 0) {			\
 	    MUTEX_UNLOCK(&(t)->mutex);				\
-	    Perl_croak(aTHX_ "panic: DETACH");				\
+	    Perl_croak_nocontext("panic: DETACH");		\
 	}							\
     } STMT_END
 
@@ -195,7 +181,7 @@ END_EXTERN_C
 	if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED)	\
 	     || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0)	\
 	     || (CloseHandle((t)->self) == 0))				\
-	    Perl_croak(aTHX_ "panic: JOIN");					\
+	    Perl_croak_nocontext("panic: JOIN");			\
 	*avp = (AV *)((t)->i.retv);					\
     } STMT_END
 #else	/* !USE_RTL_THREAD_API || _MSC_VER */
@@ -204,7 +190,7 @@ END_EXTERN_C
 	if ((WaitForSingleObject((t)->self,INFINITE) == WAIT_FAILED)	\
 	     || (GetExitCodeThread((t)->self,(LPDWORD)(avp)) == 0)	\
 	     || (CloseHandle((t)->self) == 0))				\
-	    Perl_croak(aTHX_ "panic: JOIN");				\
+	    Perl_croak_nocontext("panic: JOIN");			\
     } STMT_END
 #endif	/* !USE_RTL_THREAD_API || _MSC_VER */