thr_attr_init.c revision 141822
1264601Sbz/* 2264601Sbz * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>. 3264601Sbz * All rights reserved. 4264601Sbz * 5264601Sbz * Redistribution and use in source and binary forms, with or without 6264601Sbz * modification, are permitted provided that the following conditions 7264601Sbz * are met: 8264601Sbz * 1. Redistributions of source code must retain the above copyright 9264601Sbz * notice, this list of conditions and the following disclaimer. 10264601Sbz * 2. Redistributions in binary form must reproduce the above copyright 11264601Sbz * notice, this list of conditions and the following disclaimer in the 12264601Sbz * documentation and/or other materials provided with the distribution. 13264601Sbz * 3. All advertising materials mentioning features or use of this software 14264601Sbz * must display the following acknowledgement: 15264601Sbz * This product includes software developed by John Birrell. 16264601Sbz * 4. Neither the name of the author nor the names of any co-contributors 17264601Sbz * may be used to endorse or promote products derived from this software 18264601Sbz * without specific prior written permission. 19264601Sbz * 20264601Sbz * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 21264601Sbz * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22264601Sbz * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23264601Sbz * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24264601Sbz * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25264601Sbz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26264601Sbz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27264601Sbz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28264601Sbz * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29264601Sbz * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30264601Sbz * SUCH DAMAGE. 31264601Sbz * 32264601Sbz * $FreeBSD: head/lib/libkse/thread/thr_attr_init.c 141822 2005-02-13 18:38:06Z deischen $ 33264601Sbz */ 34264601Sbz#include <string.h> 35264601Sbz#include <stdlib.h> 36264601Sbz#include <errno.h> 37264601Sbz#include <pthread.h> 38264601Sbz#include "thr_private.h" 39264601Sbz 40264601Sbz__weak_reference(_pthread_attr_init, pthread_attr_init); 41264601Sbz 42264601Sbzint 43264601Sbz_pthread_attr_init(pthread_attr_t *attr) 44264601Sbz{ 45264601Sbz int ret; 46264601Sbz pthread_attr_t pattr; 47264601Sbz 48264601Sbz /* Allocate memory for the attribute object: */ 49264601Sbz if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL) 50264601Sbz /* Insufficient memory: */ 51264601Sbz ret = ENOMEM; 52264601Sbz else { 53264601Sbz /* Initialise the attribute object with the defaults: */ 54264601Sbz memcpy(pattr, &_pthread_attr_default, 55264601Sbz sizeof(struct pthread_attr)); 56264601Sbz pattr->guardsize_attr = _thr_guard_default; 57264601Sbz pattr->stacksize_attr = _thr_stack_default; 58264601Sbz 59264601Sbz /* Return a pointer to the attribute object: */ 60264601Sbz *attr = pattr; 61264601Sbz ret = 0; 62264601Sbz } 63264601Sbz return(ret); 64264601Sbz} 65264601Sbz