tildefriends/deps/libuv/test/test-walk-handles.c

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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>
static char magic_cookie[] = "magic cookie";
static int seen_timer_handle;
static uv_timer_t timer;
static void walk_cb(uv_handle_t* handle, void* arg) {
ASSERT_PTR_EQ(arg, (void*)magic_cookie);
if (handle == (uv_handle_t*)&timer) {
seen_timer_handle++;
} else {
ASSERT(0 && "unexpected handle");
}
}
static void timer_cb(uv_timer_t* handle) {
ASSERT_PTR_EQ(handle, &timer);
uv_walk(handle->loop, walk_cb, magic_cookie);
uv_close((uv_handle_t*)handle, NULL);
}
TEST_IMPL(walk_handles) {
uv_loop_t* loop;
int r;
loop = uv_default_loop();
r = uv_timer_init(loop, &timer);
ASSERT_OK(r);
r = uv_timer_start(&timer, timer_cb, 1, 0);
ASSERT_OK(r);
/* Start event loop, expect to see the timer handle in walk_cb. */
ASSERT_OK(seen_timer_handle);
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT_OK(r);
ASSERT_EQ(1, seen_timer_handle);
/* Loop is finished, walk_cb should not see our timer handle. */
seen_timer_handle = 0;
uv_walk(loop, walk_cb, magic_cookie);
ASSERT_OK(seen_timer_handle);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}