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authorAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
committerAustin Foxley <austinf@cetoncorp.com>2010-02-16 12:27:18 -0800
commita032a6587011cbdac8c2f7e11f15dc4e592bbb55 (patch)
treeb8d8dfc6abf0168e098223c2134a3e4bd7640942 /libpthread/nptl/pthread_mutex_consistent.c
parent70f1d42b13a741f603472f405299e5d2938aa728 (diff)
mass sync with glibc nptl
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/pthread_mutex_consistent.c')
-rw-r--r--libpthread/nptl/pthread_mutex_consistent.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_mutex_consistent.c b/libpthread/nptl/pthread_mutex_consistent.c
new file mode 100644
index 000000000..1e8f07470
--- /dev/null
+++ b/libpthread/nptl/pthread_mutex_consistent.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 2005, 2006, 2010 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <pthreadP.h>
+
+
+int
+pthread_mutex_consistent (
+ pthread_mutex_t *mutex)
+{
+ /* Test whether this is a robust mutex with a dead owner. */
+ if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0
+ || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT)
+ return EINVAL;
+
+ mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
+
+ return 0;
+}
+weak_alias (pthread_mutex_consistent, pthread_mutex_consistent_np)