xref: /netbsd-src/external/mit/libuv/dist/test/test-async-null-cb.c (revision 0e552da7216834a96e91ad098e59272b41087480)
1*0e552da7Schristos /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2*0e552da7Schristos  *
3*0e552da7Schristos  * Permission is hereby granted, free of charge, to any person obtaining a copy
4*0e552da7Schristos  * of this software and associated documentation files (the "Software"), to
5*0e552da7Schristos  * deal in the Software without restriction, including without limitation the
6*0e552da7Schristos  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7*0e552da7Schristos  * sell copies of the Software, and to permit persons to whom the Software is
8*0e552da7Schristos  * furnished to do so, subject to the following conditions:
9*0e552da7Schristos  *
10*0e552da7Schristos  * The above copyright notice and this permission notice shall be included in
11*0e552da7Schristos  * all copies or substantial portions of the Software.
12*0e552da7Schristos  *
13*0e552da7Schristos  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*0e552da7Schristos  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*0e552da7Schristos  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16*0e552da7Schristos  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17*0e552da7Schristos  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18*0e552da7Schristos  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19*0e552da7Schristos  * IN THE SOFTWARE.
20*0e552da7Schristos  */
21*0e552da7Schristos 
22*0e552da7Schristos #include "uv.h"
23*0e552da7Schristos #include "task.h"
24*0e552da7Schristos #include <string.h>
25*0e552da7Schristos 
26*0e552da7Schristos static uv_async_t async_handle;
27*0e552da7Schristos static uv_check_t check_handle;
28*0e552da7Schristos static int check_cb_called;
29*0e552da7Schristos static uv_thread_t thread;
30*0e552da7Schristos 
31*0e552da7Schristos 
thread_cb(void * dummy)32*0e552da7Schristos static void thread_cb(void* dummy) {
33*0e552da7Schristos   (void) &dummy;
34*0e552da7Schristos   uv_async_send(&async_handle);
35*0e552da7Schristos }
36*0e552da7Schristos 
37*0e552da7Schristos 
check_cb(uv_check_t * handle)38*0e552da7Schristos static void check_cb(uv_check_t* handle) {
39*0e552da7Schristos   ASSERT(check_cb_called == 0);
40*0e552da7Schristos   uv_close((uv_handle_t*) &async_handle, NULL);
41*0e552da7Schristos   uv_close((uv_handle_t*) &check_handle, NULL);
42*0e552da7Schristos   check_cb_called++;
43*0e552da7Schristos }
44*0e552da7Schristos 
45*0e552da7Schristos 
TEST_IMPL(async_null_cb)46*0e552da7Schristos TEST_IMPL(async_null_cb) {
47*0e552da7Schristos   /*
48*0e552da7Schristos    * Fill async_handle with garbage values.
49*0e552da7Schristos    * uv_async_init() should properly initialize struct fields regardless of
50*0e552da7Schristos    * initial values.
51*0e552da7Schristos    * This is added to verify paddings between fields do not affect behavior.
52*0e552da7Schristos    */
53*0e552da7Schristos   memset(&async_handle, 0xff, sizeof(async_handle));
54*0e552da7Schristos 
55*0e552da7Schristos   ASSERT(0 == uv_async_init(uv_default_loop(), &async_handle, NULL));
56*0e552da7Schristos   ASSERT(0 == uv_check_init(uv_default_loop(), &check_handle));
57*0e552da7Schristos   ASSERT(0 == uv_check_start(&check_handle, check_cb));
58*0e552da7Schristos   ASSERT(0 == uv_thread_create(&thread, thread_cb, NULL));
59*0e552da7Schristos   ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
60*0e552da7Schristos   ASSERT(0 == uv_thread_join(&thread));
61*0e552da7Schristos   ASSERT(1 == check_cb_called);
62*0e552da7Schristos   MAKE_VALGRIND_HAPPY();
63*0e552da7Schristos   return 0;
64*0e552da7Schristos }
65