thr_attr_destroy.c revision 22315
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>. 31541Srgrimes * All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 141541Srgrimes * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by John Birrell. 161541Srgrimes * 4. Neither the name of the author nor the names of any co-contributors 171541Srgrimes * may be used to endorse or promote products derived from this software 181541Srgrimes * without specific prior written permission. 191541Srgrimes * 201541Srgrimes * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 211541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2914511Shsu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301541Srgrimes * SUCH DAMAGE. 311541Srgrimes * 32116182Sobrien */ 33116182Sobrien#include <stdlib.h> 34116182Sobrien#include <errno.h> 351541Srgrimes#ifdef _THREAD_SAFE 361541Srgrimes#include <pthread.h> 371541Srgrimes#include "pthread_private.h" 381541Srgrimes 3931778Seivindint pthread_attr_destroy(pthread_attr_t *attr) 40111899Sdas{ 411541Srgrimes int ret; 421541Srgrimes 4391140Stanimura /* Check for invalid arguments: */ 4491140Stanimura if (attr == NULL || *attr == NULL) 4591140Stanimura /* Invalid argument: */ 46130892Sphk ret = EINVAL; 47130344Sphk else { 4824207Sbde /* Free the memory allocated to the attribute object: */ 4924207Sbde free(*attr); 50130892Sphk 511541Srgrimes /* 521541Srgrimes * Leave the attribute pointer NULL now that the memory 531541Srgrimes * has been freed: 5424131Sbde */ 5529354Speter *attr = NULL; 561541Srgrimes ret = 0; 571541Srgrimes } 583308Sphk return(ret); 5949536Sphk} 601541Srgrimes#endif 6169774Sphk