2.5-18.1

1 files changed, 36 insertions, 0 deletions

diff --git a/nptl/pthread_mutex_consistent.c b/nptl/pthread_mutex_consistent.c
new file mode 100644
index 0000000000..d4f287b755
--- /dev/null
+++ b/nptl/pthread_mutex_consistent.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 2005, 2006 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_NORMAL_NP) == 0
+      || mutex->__data.__owner != PTHREAD_MUTEX_INCONSISTENT)
+    return EINVAL;
+
+  mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
+
+  return 0;
+}