1 /*
2  * Copyright (c) 1996 Jeffrey Hsu <hsu@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, 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: stable/10/lib/libkse/thread/thr_mattr_kind_np.c 174689 2007-12-16 23:29:57Z deischen $
30  */
31 
32 #include "namespace.h"
33 #include <errno.h>
34 #include <pthread.h>
35 #include "un-namespace.h"
36 #include "thr_private.h"
37 
38 int _pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind);
39 int _pthread_mutexattr_getkind_np(pthread_mutexattr_t attr);
40 
41 __weak_reference(_pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
42 __weak_reference(_pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
43 __weak_reference(_pthread_mutexattr_gettype, pthread_mutexattr_gettype);
44 __weak_reference(_pthread_mutexattr_settype, pthread_mutexattr_settype);
45 
46 int
_pthread_mutexattr_setkind_np(pthread_mutexattr_t * attr,int kind)47 _pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind)
48 {
49 	int	ret;
50 	if (attr == NULL || *attr == NULL) {
51 		errno = EINVAL;
52 		ret = -1;
53 	} else {
54 		(*attr)->m_type = kind;
55 		ret = 0;
56 	}
57 	return(ret);
58 }
59 
60 int
_pthread_mutexattr_getkind_np(pthread_mutexattr_t attr)61 _pthread_mutexattr_getkind_np(pthread_mutexattr_t attr)
62 {
63 	int	ret;
64 	if (attr == NULL) {
65 		errno = EINVAL;
66 		ret = -1;
67 	} else {
68 		ret = attr->m_type;
69 	}
70 	return(ret);
71 }
72 
73 int
_pthread_mutexattr_settype(pthread_mutexattr_t * attr,int type)74 _pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
75 {
76 	int	ret;
77 	if (attr == NULL || *attr == NULL || type >= PTHREAD_MUTEX_TYPE_MAX) {
78 		errno = EINVAL;
79 		ret = -1;
80 	} else {
81 		(*attr)->m_type = type;
82 		ret = 0;
83 	}
84 	return(ret);
85 }
86 
87 int
_pthread_mutexattr_gettype(pthread_mutexattr_t * attr,int * type)88 _pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *type)
89 {
90 	int	ret;
91 
92 	if (attr == NULL || *attr == NULL || (*attr)->m_type >=
93 	    PTHREAD_MUTEX_TYPE_MAX) {
94 		ret = EINVAL;
95 	} else {
96 		*type = (*attr)->m_type;
97 		ret = 0;
98 	}
99 	return ret;
100 }
101