1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24 #include <string.h>
25
26 static uv_async_t async_handle;
27 static uv_check_t check_handle;
28 static int check_cb_called;
29 static uv_thread_t thread;
30
31
thread_cb(void * dummy)32 static void thread_cb(void* dummy) {
33 (void) &dummy;
34 uv_async_send(&async_handle);
35 }
36
37
check_cb(uv_check_t * handle)38 static void check_cb(uv_check_t* handle) {
39 ASSERT_OK(check_cb_called);
40 uv_close((uv_handle_t*) &async_handle, NULL);
41 uv_close((uv_handle_t*) &check_handle, NULL);
42 check_cb_called++;
43 }
44
45
TEST_IMPL(async_null_cb)46 TEST_IMPL(async_null_cb) {
47 /*
48 * Fill async_handle with garbage values.
49 * uv_async_init() should properly initialize struct fields regardless of
50 * initial values.
51 * This is added to verify paddings between fields do not affect behavior.
52 */
53 memset(&async_handle, 0xff, sizeof(async_handle));
54
55 ASSERT_OK(uv_async_init(uv_default_loop(), &async_handle, NULL));
56 ASSERT_OK(uv_check_init(uv_default_loop(), &check_handle));
57 ASSERT_OK(uv_check_start(&check_handle, check_cb));
58 ASSERT_OK(uv_thread_create(&thread, thread_cb, NULL));
59 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
60 ASSERT_OK(uv_thread_join(&thread));
61 ASSERT_EQ(1, check_cb_called);
62 MAKE_VALGRIND_HAPPY(uv_default_loop());
63 return 0;
64 }
65