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Diffstat (limited to '3rdparty/libuv/test/test-async.c')
-rw-r--r-- | 3rdparty/libuv/test/test-async.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/3rdparty/libuv/test/test-async.c b/3rdparty/libuv/test/test-async.c deleted file mode 100644 index 6f5351bf158..00000000000 --- a/3rdparty/libuv/test/test-async.c +++ /dev/null @@ -1,134 +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_thread_t thread; -static uv_mutex_t mutex; - -static uv_prepare_t prepare; -static uv_async_t async; - -static volatile int async_cb_called; -static int prepare_cb_called; -static int close_cb_called; - - -static void thread_cb(void *arg) { - int n; - int r; - - for (;;) { - uv_mutex_lock(&mutex); - n = async_cb_called; - uv_mutex_unlock(&mutex); - - if (n == 3) { - break; - } - - r = uv_async_send(&async); - ASSERT(r == 0); - - /* Work around a bug in Valgrind. - * - * Valgrind runs threads not in parallel but sequentially, i.e. one after - * the other. It also doesn't preempt them, instead it depends on threads - * yielding voluntarily by making a syscall. - * - * That never happens here: the pipe that is associated with the async - * handle is written to once but that's too early for Valgrind's scheduler - * to kick in. Afterwards, the thread busy-loops, starving the main thread. - * Therefore, we yield. - * - * This behavior has been observed with Valgrind 3.7.0 and 3.9.0. - */ - uv_sleep(0); - } -} - - -static void close_cb(uv_handle_t* handle) { - ASSERT(handle != NULL); - close_cb_called++; -} - - -static void async_cb(uv_async_t* handle) { - int n; - - ASSERT(handle == &async); - - uv_mutex_lock(&mutex); - n = ++async_cb_called; - uv_mutex_unlock(&mutex); - - if (n == 3) { - uv_close((uv_handle_t*)&async, close_cb); - uv_close((uv_handle_t*)&prepare, close_cb); - } -} - - -static void prepare_cb(uv_prepare_t* handle) { - int r; - - ASSERT(handle == &prepare); - - if (prepare_cb_called++) - return; - - r = uv_thread_create(&thread, thread_cb, NULL); - ASSERT(r == 0); - uv_mutex_unlock(&mutex); -} - - -TEST_IMPL(async) { - int r; - - r = uv_mutex_init(&mutex); - ASSERT(r == 0); - uv_mutex_lock(&mutex); - - r = uv_prepare_init(uv_default_loop(), &prepare); - ASSERT(r == 0); - r = uv_prepare_start(&prepare, prepare_cb); - ASSERT(r == 0); - - r = uv_async_init(uv_default_loop(), &async, async_cb); - ASSERT(r == 0); - - r = uv_run(uv_default_loop(), UV_RUN_DEFAULT); - ASSERT(r == 0); - - ASSERT(prepare_cb_called > 0); - ASSERT(async_cb_called == 3); - ASSERT(close_cb_called == 2); - - ASSERT(0 == uv_thread_join(&thread)); - - MAKE_VALGRIND_HAPPY(); - return 0; -} |