thr_mutexattr_destroy.c revision 75369
122315Sjulian/* 222315Sjulian * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 322315Sjulian * All rights reserved. 422315Sjulian * 522315Sjulian * Redistribution and use in source and binary forms, with or without 622315Sjulian * modification, are permitted provided that the following conditions 722315Sjulian * are met: 822315Sjulian * 1. Redistributions of source code must retain the above copyright 922315Sjulian * notice, this list of conditions and the following disclaimer. 1022315Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1122315Sjulian * notice, this list of conditions and the following disclaimer in the 1222315Sjulian * documentation and/or other materials provided with the distribution. 1322315Sjulian * 3. All advertising materials mentioning features or use of this software 1422315Sjulian * must display the following acknowledgement: 1522315Sjulian * This product includes software developed by John Birrell. 1622315Sjulian * 4. Neither the name of the author nor the names of any co-contributors 1722315Sjulian * may be used to endorse or promote products derived from this software 1822315Sjulian * without specific prior written permission. 1922315Sjulian * 2022315Sjulian * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 2122315Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2222315Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2349439Sdeischen * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2422315Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2522315Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2622315Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2722315Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2822315Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2922315Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3022315Sjulian * SUCH DAMAGE. 3122315Sjulian * 3250476Speter * $FreeBSD: head/lib/libkse/thread/thr_mutexattr_destroy.c 75369 2001-04-10 04:19:21Z deischen $ 3322315Sjulian */ 3422315Sjulian#include <stdlib.h> 3522315Sjulian#include <errno.h> 3622315Sjulian#include <pthread.h> 3722315Sjulian#include "pthread_private.h" 3822315Sjulian 3975369Sdeischen__weak_reference(_pthread_mutexattr_destroy, pthread_mutexattr_destroy); 4071581Sdeischen 4155838Sjasoneint 4271581Sdeischen_pthread_mutexattr_destroy(pthread_mutexattr_t *attr) 4322315Sjulian{ 4422315Sjulian int ret; 4522315Sjulian if (attr == NULL || *attr == NULL) { 4631402Salex ret = EINVAL; 4722315Sjulian } else { 4822315Sjulian free(*attr); 4922315Sjulian *attr = NULL; 5022315Sjulian ret = 0; 5122315Sjulian } 5222315Sjulian return(ret); 5322315Sjulian} 54