From b0948ffdcbdace63317297d3d3fe2556387dfcbd Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 28 Jul 2009 09:40:39 -0700
Subject: Fix bookkeeping in mutex when using requeue_pi.
---
nptl/pthread_mutex_lock.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
(limited to 'nptl/pthread_mutex_lock.c')
diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c
index 406e588..50dc188 100644
--- a/nptl/pthread_mutex_lock.c
+++ b/nptl/pthread_mutex_lock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -473,3 +473,22 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
strong_alias (__pthread_mutex_lock, pthread_mutex_lock)
strong_alias (__pthread_mutex_lock, __pthread_mutex_lock_internal)
#endif
+
+
+#ifdef NO_INCR
+void
+__pthread_mutex_cond_lock_adjust (mutex)
+ pthread_mutex_t *mutex;
+{
+ assert ((mutex->__data.__kind & PTHREAD_MUTEX_PRIO_INHERIT_NP) != 0);
+ assert ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_NORMAL_NP) == 0);
+ assert ((mutex->__data.__kind & PTHREAD_MUTEX_PSHARED_BIT) == 0);
+
+ /* Record the ownership. */
+ pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
+ mutex->__data.__owner = id;
+
+ if (mutex->__data.__kind == PTHREAD_MUTEX_PI_RECURSIVE_NP)
+ ++mutex->__data.__count;
+}
+#endif
--
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