summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/libuv/test/test-mutexes.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/libuv/test/test-mutexes.c')
-rw-r--r--3rdparty/libuv/test/test-mutexes.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/3rdparty/libuv/test/test-mutexes.c b/3rdparty/libuv/test/test-mutexes.c
deleted file mode 100644
index af5e4e88a22..00000000000
--- a/3rdparty/libuv/test/test-mutexes.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/* 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>
-
-static uv_cond_t condvar;
-static uv_mutex_t mutex;
-static uv_rwlock_t rwlock;
-static int step;
-
-/* 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;
-}
-
-
-/* Call when holding |mutex|. */
-static void synchronize_nowait(void) {
- step += 1;
- uv_cond_signal(&condvar);
-}
-
-
-/* Call when holding |mutex|. */
-static void synchronize(void) {
- int current;
-
- synchronize_nowait();
- /* Wait for the other thread. Guard against spurious wakeups. */
- for (current = step; current == step; uv_cond_wait(&condvar, &mutex));
- ASSERT(step == current + 1);
-}
-
-
-static void thread_rwlock_trylock_peer(void* unused) {
- (void) &unused;
-
- uv_mutex_lock(&mutex);
-
- /* Write lock held by other thread. */
- ASSERT(UV_EBUSY == uv_rwlock_tryrdlock(&rwlock));
- ASSERT(UV_EBUSY == uv_rwlock_trywrlock(&rwlock));
- synchronize();
-
- /* Read lock held by other thread. */
- ASSERT(0 == uv_rwlock_tryrdlock(&rwlock));
- uv_rwlock_rdunlock(&rwlock);
- ASSERT(UV_EBUSY == uv_rwlock_trywrlock(&rwlock));
- synchronize();
-
- /* Acquire write lock. */
- ASSERT(0 == uv_rwlock_trywrlock(&rwlock));
- synchronize();
-
- /* Release write lock and acquire read lock. */
- uv_rwlock_wrunlock(&rwlock);
- ASSERT(0 == uv_rwlock_tryrdlock(&rwlock));
- synchronize();
-
- uv_rwlock_rdunlock(&rwlock);
- synchronize_nowait(); /* Signal main thread we're going away. */
- uv_mutex_unlock(&mutex);
-}
-
-
-TEST_IMPL(thread_rwlock_trylock) {
- uv_thread_t thread;
-
- ASSERT(0 == uv_cond_init(&condvar));
- ASSERT(0 == uv_mutex_init(&mutex));
- ASSERT(0 == uv_rwlock_init(&rwlock));
-
- uv_mutex_lock(&mutex);
- ASSERT(0 == uv_thread_create(&thread, thread_rwlock_trylock_peer, NULL));
-
- /* Hold write lock. */
- ASSERT(0 == uv_rwlock_trywrlock(&rwlock));
- synchronize(); /* Releases the mutex to the other thread. */
-
- /* Release write lock and acquire read lock. Pthreads doesn't support
- * the notion of upgrading or downgrading rwlocks, so neither do we.
- */
- uv_rwlock_wrunlock(&rwlock);
- ASSERT(0 == uv_rwlock_tryrdlock(&rwlock));
- synchronize();
-
- /* Release read lock. */
- uv_rwlock_rdunlock(&rwlock);
- synchronize();
-
- /* Write lock held by other thread. */
- ASSERT(UV_EBUSY == uv_rwlock_tryrdlock(&rwlock));
- ASSERT(UV_EBUSY == uv_rwlock_trywrlock(&rwlock));
- synchronize();
-
- /* Read lock held by other thread. */
- ASSERT(0 == uv_rwlock_tryrdlock(&rwlock));
- uv_rwlock_rdunlock(&rwlock);
- ASSERT(UV_EBUSY == uv_rwlock_trywrlock(&rwlock));
- synchronize();
-
- ASSERT(0 == uv_thread_join(&thread));
- uv_rwlock_destroy(&rwlock);
- uv_mutex_unlock(&mutex);
- uv_mutex_destroy(&mutex);
- uv_cond_destroy(&condvar);
-
- return 0;
-}