1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1998 Alex Nash
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER 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
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include "namespace.h"
33#include <errno.h>
34#include <stdlib.h>
35#include <pthread.h>
36#include "un-namespace.h"
37
38#include "thr_private.h"
39
40__weak_reference(_pthread_rwlockattr_destroy, pthread_rwlockattr_destroy);
41__weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared);
42__weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init);
43__weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared);
44
45int
46_pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr)
47{
48	pthread_rwlockattr_t prwlockattr;
49
50	if (rwlockattr == NULL)
51		return (EINVAL);
52	prwlockattr = *rwlockattr;
53	if (prwlockattr == NULL)
54		return (EINVAL);
55	free(prwlockattr);
56	return (0);
57}
58
59int
60_pthread_rwlockattr_getpshared(
61    const pthread_rwlockattr_t * __restrict rwlockattr,
62    int * __restrict pshared)
63{
64
65	*pshared = (*rwlockattr)->pshared;
66	return (0);
67}
68
69int
70_pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr)
71{
72	pthread_rwlockattr_t prwlockattr;
73
74	if (rwlockattr == NULL)
75		return (EINVAL);
76
77	prwlockattr = malloc(sizeof(struct pthread_rwlockattr));
78	if (prwlockattr == NULL)
79		return (ENOMEM);
80
81	prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE;
82	*rwlockattr = prwlockattr;
83	return (0);
84}
85
86int
87_pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared)
88{
89
90	if (pshared != PTHREAD_PROCESS_PRIVATE &&
91	    pshared != PTHREAD_PROCESS_SHARED)
92		return (EINVAL);
93	(*rwlockattr)->pshared = pshared;
94	return (0);
95}
96