2 * Copyright (c) 2009-2010 The FreeBSD Foundation
5 * This software was developed by Pawel Jakub Dawidek under sponsorship from
6 * the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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
38 #include <pthread_np.h>
43 mtx_init(pthread_mutex_t *lock)
47 error = pthread_mutex_init(lock, NULL);
51 mtx_destroy(pthread_mutex_t *lock)
55 error = pthread_mutex_destroy(lock);
59 mtx_lock(pthread_mutex_t *lock)
63 error = pthread_mutex_lock(lock);
67 mtx_trylock(pthread_mutex_t *lock)
71 error = pthread_mutex_trylock(lock);
72 assert(error == 0 || error == EBUSY);
76 mtx_unlock(pthread_mutex_t *lock)
80 error = pthread_mutex_unlock(lock);
84 mtx_owned(pthread_mutex_t *lock)
87 return (pthread_mutex_isowned_np(lock) != 0);
91 rw_init(pthread_rwlock_t *lock)
95 error = pthread_rwlock_init(lock, NULL);
99 rw_destroy(pthread_rwlock_t *lock)
103 error = pthread_rwlock_destroy(lock);
107 rw_rlock(pthread_rwlock_t *lock)
111 error = pthread_rwlock_rdlock(lock);
115 rw_wlock(pthread_rwlock_t *lock)
119 error = pthread_rwlock_wrlock(lock);
123 rw_unlock(pthread_rwlock_t *lock)
127 error = pthread_rwlock_unlock(lock);
132 cv_init(pthread_cond_t *cv)
134 pthread_condattr_t attr;
137 error = pthread_condattr_init(&attr);
139 error = pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
141 error = pthread_cond_init(cv, &attr);
143 error = pthread_condattr_destroy(&attr);
147 cv_wait(pthread_cond_t *cv, pthread_mutex_t *lock)
151 error = pthread_cond_wait(cv, lock);
155 cv_timedwait(pthread_cond_t *cv, pthread_mutex_t *lock, int timeout)
165 error = clock_gettime(CLOCK_MONOTONIC, &ts);
167 ts.tv_sec += timeout;
168 error = pthread_cond_timedwait(cv, lock, &ts);
169 assert(error == 0 || error == ETIMEDOUT);
170 return (error == ETIMEDOUT);
173 cv_signal(pthread_cond_t *cv)
177 error = pthread_cond_signal(cv);
181 cv_broadcast(pthread_cond_t *cv)
185 error = pthread_cond_broadcast(cv);
188 #endif /* !_SYNCH_H_ */