1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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 "namespace.h"
30 #include <errno.h>
31 #include <stdlib.h>
32 #include <pthread.h>
33 #include "un-namespace.h"
34
35 #include "thr_private.h"
36
37 __weak_reference(_pthread_rwlockattr_destroy, pthread_rwlockattr_destroy);
38 __weak_reference(_pthread_rwlockattr_getpshared, pthread_rwlockattr_getpshared);
39 __weak_reference(_pthread_rwlockattr_init, pthread_rwlockattr_init);
40 __weak_reference(_pthread_rwlockattr_setpshared, pthread_rwlockattr_setpshared);
41
42 int
_pthread_rwlockattr_destroy(pthread_rwlockattr_t * rwlockattr)43 _pthread_rwlockattr_destroy(pthread_rwlockattr_t *rwlockattr)
44 {
45 pthread_rwlockattr_t prwlockattr;
46
47 if (rwlockattr == NULL)
48 return (EINVAL);
49 prwlockattr = *rwlockattr;
50 if (prwlockattr == NULL)
51 return (EINVAL);
52 free(prwlockattr);
53 return (0);
54 }
55
56 int
_pthread_rwlockattr_getpshared(const pthread_rwlockattr_t * __restrict rwlockattr,int * __restrict pshared)57 _pthread_rwlockattr_getpshared(
58 const pthread_rwlockattr_t * __restrict rwlockattr,
59 int * __restrict pshared)
60 {
61
62 *pshared = (*rwlockattr)->pshared;
63 return (0);
64 }
65
66 int
_pthread_rwlockattr_init(pthread_rwlockattr_t * rwlockattr)67 _pthread_rwlockattr_init(pthread_rwlockattr_t *rwlockattr)
68 {
69 pthread_rwlockattr_t prwlockattr;
70
71 if (rwlockattr == NULL)
72 return (EINVAL);
73
74 prwlockattr = malloc(sizeof(struct pthread_rwlockattr));
75 if (prwlockattr == NULL)
76 return (ENOMEM);
77
78 prwlockattr->pshared = PTHREAD_PROCESS_PRIVATE;
79 *rwlockattr = prwlockattr;
80 return (0);
81 }
82
83 int
_pthread_rwlockattr_setpshared(pthread_rwlockattr_t * rwlockattr,int pshared)84 _pthread_rwlockattr_setpshared(pthread_rwlockattr_t *rwlockattr, int pshared)
85 {
86
87 if (pshared != PTHREAD_PROCESS_PRIVATE &&
88 pshared != PTHREAD_PROCESS_SHARED)
89 return (EINVAL);
90 (*rwlockattr)->pshared = pshared;
91 return (0);
92 }
93