Update.
[glibc.git] / nptl / pthread_mutexattr_init.c
blobee026c654e1c3aaddbe5cb53c96cbe18448e7996
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <string.h>
21 #include <pthreadP.h>
24 int
25 __pthread_mutexattr_init (attr)
26 pthread_mutexattr_t *attr;
28 if (sizeof (struct pthread_mutexattr) != sizeof (pthread_mutexattr_t))
29 memset (attr, '\0', sizeof (*attr));
31 /* We use bit 31 to signal whether the mutex is going to be
32 process-shared or not. By default it is zero, i.e., the mutex is
33 not process-shared. */
34 ((struct pthread_mutexattr *) attr)->mutexkind = PTHREAD_MUTEX_NORMAL;
36 return 0;
38 strong_alias (__pthread_mutexattr_init, pthread_mutexattr_init)