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authorJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-31 13:33:18 +0000
commit32c075e1f01849e161724bbd400ba77244e482cc (patch)
tree5f083a3f352104f32bb6c902d57fa3f294bd8d4d /nptl/pthread_mutex_trylock.c
parentd6220e9ee38c1c9285221b023346201ec5f511b3 (diff)
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Diffstat (limited to 'nptl/pthread_mutex_trylock.c')
-rw-r--r--nptl/pthread_mutex_trylock.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c
index 94d519233b..66aca8e4b2 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.
 
@@ -91,9 +91,11 @@ __pthread_mutex_trylock (mutex)
 	  if ((oldval & FUTEX_OWNER_DIED) != 0)
 	    {
 	      /* The previous owner died.  Try locking the mutex.  */
-	      int newval
+	      int newval = id | (oldval & FUTEX_WAITERS);
+
+	      newval
 		= atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
-						       id, oldval);
+						       newval, oldval);
 
 	      if (newval != oldval)
 		{