1/*
2 * Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: releng/10.3/lib/libkse/thread/thr_attr_init.c 174689 2007-12-16 23:29:57Z deischen $
30 */
31
32#include "namespace.h"
33#include <string.h>
34#include <stdlib.h>
35#include <errno.h>
36#include <pthread.h>
37#include "un-namespace.h"
38#include "thr_private.h"
39
40__weak_reference(_pthread_attr_init, pthread_attr_init);
41
42int
43_pthread_attr_init(pthread_attr_t *attr)
44{
45	int	ret;
46	pthread_attr_t	pattr;
47
48	/* Allocate memory for the attribute object: */
49	if ((pattr = (pthread_attr_t) malloc(sizeof(struct pthread_attr))) == NULL)
50		/* Insufficient memory: */
51		ret = ENOMEM;
52	else {
53		/* Initialise the attribute object with the defaults: */
54		memcpy(pattr, &_pthread_attr_default,
55		    sizeof(struct pthread_attr));
56		pattr->guardsize_attr = _thr_guard_default;
57		pattr->stacksize_attr = _thr_stack_default;
58
59		/* Return a pointer to the attribute object: */
60		*attr = pattr;
61		ret = 0;
62	}
63	return(ret);
64}
65