mirror of
https://github.com/ilyakooo0/urbit.git
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123 lines
2.7 KiB
C
123 lines
2.7 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 "task.h"
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#include <stdio.h>
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#include <stdlib.h>
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/* The mutex and rwlock tests are really poor.
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* They're very basic sanity checks and nothing more.
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* Apologies if that rhymes.
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*/
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TEST_IMPL(thread_mutex) {
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uv_mutex_t mutex;
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int r;
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r = uv_mutex_init(&mutex);
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ASSERT(r == 0);
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uv_mutex_lock(&mutex);
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uv_mutex_unlock(&mutex);
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uv_mutex_destroy(&mutex);
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return 0;
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}
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TEST_IMPL(thread_rwlock) {
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uv_rwlock_t rwlock;
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int r;
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r = uv_rwlock_init(&rwlock);
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ASSERT(r == 0);
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uv_rwlock_rdlock(&rwlock);
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uv_rwlock_rdunlock(&rwlock);
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uv_rwlock_wrlock(&rwlock);
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uv_rwlock_wrunlock(&rwlock);
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uv_rwlock_destroy(&rwlock);
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return 0;
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}
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TEST_IMPL(thread_rwlock_trylock) {
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uv_rwlock_t rwlock;
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int r;
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r = uv_rwlock_init(&rwlock);
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ASSERT(r == 0);
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/* No locks held. */
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r = uv_rwlock_trywrlock(&rwlock);
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ASSERT(r == 0);
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/* Write lock held. */
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r = uv_rwlock_tryrdlock(&rwlock);
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ASSERT(r == UV_EBUSY);
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r = uv_rwlock_trywrlock(&rwlock);
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ASSERT(r == UV_EBUSY);
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uv_rwlock_wrunlock(&rwlock);
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/* No locks held. */
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r = uv_rwlock_tryrdlock(&rwlock);
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ASSERT(r == 0);
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/* One read lock held. */
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r = uv_rwlock_tryrdlock(&rwlock);
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ASSERT(r == 0);
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/* Two read locks held. */
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r = uv_rwlock_trywrlock(&rwlock);
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ASSERT(r == UV_EBUSY);
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uv_rwlock_rdunlock(&rwlock);
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/* One read lock held. */
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uv_rwlock_rdunlock(&rwlock);
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/* No read locks held. */
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r = uv_rwlock_trywrlock(&rwlock);
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ASSERT(r == 0);
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/* Write lock held. */
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uv_rwlock_wrunlock(&rwlock);
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/* No locks held. */
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uv_rwlock_destroy(&rwlock);
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return 0;
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}
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