1/*
2 * Copyright (c) 2003 David Xu <davidxu@freebsd.org>.
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(s), this list of conditions and the following disclaimer as
10 *    the first lines of this file unmodified other than the possible
11 *    addition of one or more copyright notices.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice(s), this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
26 * DAMAGE.
27 *
28 * $FreeBSD: releng/10.2/lib/libthr/thread/thr_barrierattr.c 157457 2006-04-04 02:57:49Z davidxu $
29 */
30
31#include "namespace.h"
32#include <errno.h>
33#include <stdlib.h>
34#include <pthread.h>
35#include "un-namespace.h"
36
37#include "thr_private.h"
38
39__weak_reference(_pthread_barrierattr_destroy, pthread_barrierattr_destroy);
40__weak_reference(_pthread_barrierattr_init, pthread_barrierattr_init);
41__weak_reference(_pthread_barrierattr_setpshared,
42	pthread_barrierattr_setpshared);
43__weak_reference(_pthread_barrierattr_getpshared,
44	pthread_barrierattr_getpshared);
45
46int
47_pthread_barrierattr_destroy(pthread_barrierattr_t *attr)
48{
49
50	if (attr == NULL || *attr == NULL)
51		return (EINVAL);
52
53	free(*attr);
54	return (0);
55}
56
57int
58_pthread_barrierattr_getpshared(const pthread_barrierattr_t *attr,
59	int *pshared)
60{
61
62	if (attr == NULL || *attr == NULL)
63		return (EINVAL);
64
65	*pshared = (*attr)->pshared;
66	return (0);
67}
68
69int
70_pthread_barrierattr_init(pthread_barrierattr_t *attr)
71{
72
73	if (attr == NULL)
74		return (EINVAL);
75
76	if ((*attr = malloc(sizeof(struct pthread_barrierattr))) == NULL)
77		return (ENOMEM);
78
79	(*attr)->pshared = PTHREAD_PROCESS_PRIVATE;
80	return (0);
81}
82
83int
84_pthread_barrierattr_setpshared(pthread_barrierattr_t *attr, int pshared)
85{
86
87	if (attr == NULL || *attr == NULL)
88		return (EINVAL);
89
90	/* Only PTHREAD_PROCESS_PRIVATE is supported. */
91	if (pshared != PTHREAD_PROCESS_PRIVATE)
92		return (EINVAL);
93
94	(*attr)->pshared = pshared;
95	return (0);
96}
97