From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- nptl/pthread_mutex_consistent.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 nptl/pthread_mutex_consistent.c (limited to 'nptl/pthread_mutex_consistent.c') 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 , 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 +#include + + +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; +} -- cgit 1.4.1