freebsd-dev/lib/libc_r/uthread/uthread_attr_init.c
2007-01-12 07:26:21 +00:00

59 lines
2.2 KiB
C

/*
* Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
#include "pthread_private.h"
__weak_reference(_pthread_attr_init, pthread_attr_init);
int
_pthread_attr_init(pthread_attr_t *attr)
{
int ret;
pthread_attr_t pattr;
/* Allocate memory for the attribute object: */
if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
/* Insufficient memory: */
ret = ENOMEM;
else {
/* Initialise the attribute object with the defaults: */
memcpy(pattr, &_pthread_attr_default, sizeof(*pattr));
/* Return a pointer to the attribute object: */
*attr = pattr;
ret = 0;
}
return(ret);
}