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authorUlrich Drepper <drepper@redhat.com>2007-04-28 04:23:56 +0000
committerUlrich Drepper <drepper@redhat.com>2007-04-28 04:23:56 +0000
commit1bb5f5a1c526c5195e7ae54c98dac71f53a941c1 (patch)
tree4090b80c94ce8b9f87fb308dd7e888b3afd97913 /nptl
parentf672076efaa2c99d1dac92070f1723a8a6378456 (diff)
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[BZ #4392]
	* pthread_mutex_trylock.c (__pthread_mutex_trylock): Treat error
	check mutexes like normal mutexes.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/ChangeLog4
-rw-r--r--nptl/pthread_mutex_trylock.c9
2 files changed, 5 insertions, 8 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 3821229684..ce3ca4101c 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,9 @@
 2007-04-27  Ulrich Drepper  <drepper@redhat.com>
 
+	[BZ #4392]
+	* pthread_mutex_trylock.c (__pthread_mutex_trylock): Treat error
+	check mutexes like normal mutexes.
+
 	[BZ #4306]
 	* sysdeps/unix/sysv/linux/timer_create.c (timer_create):
 	Initialize the whole sigevent structure to appease valgrind.
diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c
index 94d519233b..4990ecd711 100644
--- a/nptl/pthread_mutex_trylock.c
+++ b/nptl/pthread_mutex_trylock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -58,12 +58,6 @@ __pthread_mutex_trylock (mutex)
       break;
 
     case PTHREAD_MUTEX_ERRORCHECK_NP:
-      /* Check whether we already hold the mutex.  */
-      if (__builtin_expect (mutex->__data.__owner == id, 0))
-	return EDEADLK;
-
-      /* FALLTHROUGH */
-
     case PTHREAD_MUTEX_TIMED_NP:
     case PTHREAD_MUTEX_ADAPTIVE_NP:
       /* Normal mutex.  */
@@ -76,7 +70,6 @@ __pthread_mutex_trylock (mutex)
 
       return 0;
 
-
     case PTHREAD_MUTEX_ROBUST_RECURSIVE_NP:
     case PTHREAD_MUTEX_ROBUST_ERRORCHECK_NP:
     case PTHREAD_MUTEX_ROBUST_NORMAL_NP: