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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <stdio.h>
#include <stdlib.h>
/* The mutex and rwlock tests are really poor.
* They're very basic sanity checks and nothing more.
* Apologies if that rhymes.
*/
TEST_IMPL(thread_mutex) {
uv_mutex_t mutex;
int r;
r = uv_mutex_init(&mutex);
ASSERT(r == 0);
uv_mutex_lock(&mutex);
uv_mutex_unlock(&mutex);
uv_mutex_destroy(&mutex);
return 0;
}
TEST_IMPL(thread_rwlock) {
uv_rwlock_t rwlock;
int r;
r = uv_rwlock_init(&rwlock);
ASSERT(r == 0);
uv_rwlock_rdlock(&rwlock);
uv_rwlock_rdunlock(&rwlock);
uv_rwlock_wrlock(&rwlock);
uv_rwlock_wrunlock(&rwlock);
uv_rwlock_destroy(&rwlock);
return 0;
}
TEST_IMPL(thread_rwlock_trylock) {
uv_rwlock_t rwlock;
int r;
r = uv_rwlock_init(&rwlock);
ASSERT(r == 0);
/* No locks held. */
r = uv_rwlock_trywrlock(&rwlock);
ASSERT(r == 0);
/* Write lock held. */
r = uv_rwlock_tryrdlock(&rwlock);
ASSERT(r == UV_EBUSY);
r = uv_rwlock_trywrlock(&rwlock);
ASSERT(r == UV_EBUSY);
uv_rwlock_wrunlock(&rwlock);
/* No locks held. */
r = uv_rwlock_tryrdlock(&rwlock);
ASSERT(r == 0);
/* One read lock held. */
r = uv_rwlock_tryrdlock(&rwlock);
ASSERT(r == 0);
/* Two read locks held. */
r = uv_rwlock_trywrlock(&rwlock);
ASSERT(r == UV_EBUSY);
uv_rwlock_rdunlock(&rwlock);
/* One read lock held. */
uv_rwlock_rdunlock(&rwlock);
/* No read locks held. */
r = uv_rwlock_trywrlock(&rwlock);
ASSERT(r == 0);
/* Write lock held. */
uv_rwlock_wrunlock(&rwlock);
/* No locks held. */
uv_rwlock_destroy(&rwlock);
return 0;
}