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-rw-r--r--nptl/pthread_mutex_consistent.c36
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diff --git a/nptl/pthread_mutex_consistent.c b/nptl/pthread_mutex_consistent.c
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+/* Copyright (C) 2005 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_np (mutex)
+ pthread_mutex_t *mutex;
+{
+ /* Test whether this is a robust mutex with a dead owner. */
+ if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_PRIVATE_NP) == 0
+ || mutex->__data.__owner != -THREAD_GETMEM (THREAD_SELF, tid))
+ return EINVAL;
+
+ mutex->__data.__owner = -mutex->__data.__owner;
+
+ return 0;
+}