159 lines
3.3 KiB
C
159 lines
3.3 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "internal.h"
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#include <pthread.h>
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#include <assert.h>
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#include <errno.h>
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#ifdef NDEBUG
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# define CHECK(r) ((void) (r))
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#else
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# include <stdio.h>
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# include <stdlib.h>
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# define CHECK(r) \
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do { \
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int __r = (r); \
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if (__r) errno = __r, perror(#r), abort(); \
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} \
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while (0)
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#endif
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int uv_thread_join(uv_thread_t *tid) {
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if (pthread_join(*tid, NULL))
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return -1;
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else
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return 0;
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}
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uv_thread_t uv_thread_self(void) {
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return pthread_self();
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}
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int uv_mutex_init(uv_mutex_t* mutex) {
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if (pthread_mutex_init(mutex, NULL))
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return -1;
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else
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return 0;
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}
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void uv_mutex_destroy(uv_mutex_t* mutex) {
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CHECK(pthread_mutex_destroy(mutex));
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}
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void uv_mutex_lock(uv_mutex_t* mutex) {
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CHECK(pthread_mutex_lock(mutex));
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}
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int uv_mutex_trylock(uv_mutex_t* mutex) {
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int r;
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r = pthread_mutex_trylock(mutex);
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if (r && r != EAGAIN)
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CHECK(r);
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if (r)
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return -1;
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else
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return 0;
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}
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void uv_mutex_unlock(uv_mutex_t* mutex) {
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CHECK(pthread_mutex_unlock(mutex));
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}
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int uv_rwlock_init(uv_rwlock_t* rwlock) {
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if (pthread_rwlock_init(rwlock, NULL))
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return -1;
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else
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return 0;
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}
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void uv_rwlock_destroy(uv_rwlock_t* rwlock) {
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CHECK(pthread_rwlock_destroy(rwlock));
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}
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void uv_rwlock_rdlock(uv_rwlock_t* rwlock) {
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CHECK(pthread_rwlock_rdlock(rwlock));
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}
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int uv_rwlock_tryrdlock(uv_rwlock_t* rwlock) {
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int r;
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r = pthread_rwlock_tryrdlock(rwlock);
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if (r && r != EAGAIN)
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CHECK(r);
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if (r)
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return -1;
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else
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return 0;
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}
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void uv_rwlock_rdunlock(uv_rwlock_t* rwlock) {
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CHECK(pthread_rwlock_unlock(rwlock));
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}
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void uv_rwlock_wrlock(uv_rwlock_t* rwlock) {
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CHECK(pthread_rwlock_wrlock(rwlock));
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}
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int uv_rwlock_trywrlock(uv_rwlock_t* rwlock) {
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int r;
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r = pthread_rwlock_trywrlock(rwlock);
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if (r && r != EAGAIN)
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CHECK(r);
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if (r)
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return -1;
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else
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return 0;
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}
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void uv_rwlock_wrunlock(uv_rwlock_t* rwlock) {
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CHECK(pthread_rwlock_unlock(rwlock));
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}
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void uv_once(uv_once_t* guard, void (*callback)(void)) {
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CHECK(pthread_once(guard, callback));
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}
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