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 * $FreeBSD$
30 */
31
32/*
33 * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 *    notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 *    notice, this list of conditions and the following disclaimer in the
43 *    documentation and/or other materials provided with the distribution.
44 * 3. Neither the name of the author nor the names of any co-contributors
45 *    may be used to endorse or promote products derived from this software
46 *    without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 */
61
62#include "namespace.h"
63#include <string.h>
64#include <stdlib.h>
65#include <errno.h>
66#include <pthread.h>
67#include <pthread_np.h>
68#include "un-namespace.h"
69
70#include "thr_private.h"
71
72__weak_reference(_pthread_mutexattr_init, pthread_mutexattr_init);
73__weak_reference(_pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
74__weak_reference(_pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
75__weak_reference(_pthread_mutexattr_gettype, pthread_mutexattr_gettype);
76__weak_reference(_pthread_mutexattr_settype, pthread_mutexattr_settype);
77__weak_reference(_pthread_mutexattr_destroy, pthread_mutexattr_destroy);
78__weak_reference(_pthread_mutexattr_getpshared, pthread_mutexattr_getpshared);
79__weak_reference(_pthread_mutexattr_setpshared, pthread_mutexattr_setpshared);
80__weak_reference(_pthread_mutexattr_getprotocol, pthread_mutexattr_getprotocol);
81__weak_reference(_pthread_mutexattr_setprotocol, pthread_mutexattr_setprotocol);
82__weak_reference(_pthread_mutexattr_getprioceiling, pthread_mutexattr_getprioceiling);
83__weak_reference(_pthread_mutexattr_setprioceiling, pthread_mutexattr_setprioceiling);
84
85int
86_pthread_mutexattr_init(pthread_mutexattr_t *attr)
87{
88	int ret;
89	pthread_mutexattr_t pattr;
90
91	if ((pattr = (pthread_mutexattr_t)
92	    malloc(sizeof(struct pthread_mutex_attr))) == NULL) {
93		ret = ENOMEM;
94	} else {
95		memcpy(pattr, &_pthread_mutexattr_default,
96		    sizeof(struct pthread_mutex_attr));
97		*attr = pattr;
98		ret = 0;
99	}
100	return (ret);
101}
102
103int
104_pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind)
105{
106	int	ret;
107	if (attr == NULL || *attr == NULL) {
108		errno = EINVAL;
109		ret = -1;
110	} else {
111		(*attr)->m_type = kind;
112		ret = 0;
113	}
114	return(ret);
115}
116
117int
118_pthread_mutexattr_getkind_np(pthread_mutexattr_t attr)
119{
120	int	ret;
121	if (attr == NULL) {
122		errno = EINVAL;
123		ret = -1;
124	} else {
125		ret = attr->m_type;
126	}
127	return(ret);
128}
129
130int
131_pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
132{
133	int	ret;
134	if (attr == NULL || *attr == NULL || type >= PTHREAD_MUTEX_TYPE_MAX) {
135		ret = EINVAL;
136	} else {
137		(*attr)->m_type = type;
138		ret = 0;
139	}
140	return(ret);
141}
142
143int
144_pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *type)
145{
146	int	ret;
147
148	if (attr == NULL || *attr == NULL || (*attr)->m_type >=
149	    PTHREAD_MUTEX_TYPE_MAX) {
150		ret = EINVAL;
151	} else {
152		*type = (*attr)->m_type;
153		ret = 0;
154	}
155	return ret;
156}
157
158int
159_pthread_mutexattr_destroy(pthread_mutexattr_t *attr)
160{
161	int	ret;
162	if (attr == NULL || *attr == NULL) {
163		ret = EINVAL;
164	} else {
165		free(*attr);
166		*attr = NULL;
167		ret = 0;
168	}
169	return(ret);
170}
171
172int
173_pthread_mutexattr_getpshared(const pthread_mutexattr_t *attr,
174	int *pshared)
175{
176
177	if (attr == NULL || *attr == NULL)
178		return (EINVAL);
179
180	*pshared = PTHREAD_PROCESS_PRIVATE;
181	return (0);
182}
183
184int
185_pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared)
186{
187
188	if (attr == NULL || *attr == NULL)
189		return (EINVAL);
190
191	/* Only PTHREAD_PROCESS_PRIVATE is supported. */
192	if (pshared != PTHREAD_PROCESS_PRIVATE)
193		return (EINVAL);
194
195	return (0);
196}
197
198int
199_pthread_mutexattr_getprotocol(pthread_mutexattr_t *mattr, int *protocol)
200{
201	int ret = 0;
202
203	if ((mattr == NULL) || (*mattr == NULL))
204		ret = EINVAL;
205	else
206		*protocol = (*mattr)->m_protocol;
207
208	return(ret);
209}
210
211int
212_pthread_mutexattr_setprotocol(pthread_mutexattr_t *mattr, int protocol)
213{
214	int ret = 0;
215
216	if ((mattr == NULL) || (*mattr == NULL) ||
217	    (protocol < PTHREAD_PRIO_NONE) || (protocol > PTHREAD_PRIO_PROTECT))
218		ret = EINVAL;
219	else {
220		(*mattr)->m_protocol = protocol;
221		(*mattr)->m_ceiling = THR_MAX_RR_PRIORITY;
222	}
223	return(ret);
224}
225
226int
227_pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mattr, int *prioceiling)
228{
229	int ret = 0;
230
231	if ((mattr == NULL) || (*mattr == NULL))
232		ret = EINVAL;
233	else if ((*mattr)->m_protocol != PTHREAD_PRIO_PROTECT)
234		ret = EINVAL;
235	else
236		*prioceiling = (*mattr)->m_ceiling;
237
238	return(ret);
239}
240
241int
242_pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mattr, int prioceiling)
243{
244	int ret = 0;
245
246	if ((mattr == NULL) || (*mattr == NULL))
247		ret = EINVAL;
248	else if ((*mattr)->m_protocol != PTHREAD_PRIO_PROTECT)
249		ret = EINVAL;
250	else
251		(*mattr)->m_ceiling = prioceiling;
252
253	return(ret);
254}
255
256