diff options
author | 2016-10-07 14:14:08 +0200 | |
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committer | 2016-10-07 14:14:08 +0200 | |
commit | 85f4741fcf642f52ac4fa56f0aff1728727c901b (patch) | |
tree | da8cca02913839152d2eb04c0e85a83018bcaed3 /3rdparty/libuv/test/test-mutexes.c | |
parent | ff01b716711b97c2fcaa709ea97f7650f106aa10 (diff) |
Remove libuv library (nw)
Diffstat (limited to '3rdparty/libuv/test/test-mutexes.c')
-rw-r--r-- | 3rdparty/libuv/test/test-mutexes.c | 162 |
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; -} |