xref: /netbsd-src/external/mit/libuv/dist/test/test-walk-handles.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 
25*0e552da7Schristos #include <stdio.h>
26*0e552da7Schristos #include <stdlib.h>
27*0e552da7Schristos 
28*0e552da7Schristos static char magic_cookie[] = "magic cookie";
29*0e552da7Schristos static int seen_timer_handle;
30*0e552da7Schristos static uv_timer_t timer;
31*0e552da7Schristos 
32*0e552da7Schristos 
walk_cb(uv_handle_t * handle,void * arg)33*0e552da7Schristos static void walk_cb(uv_handle_t* handle, void* arg) {
34*0e552da7Schristos   ASSERT(arg == (void*)magic_cookie);
35*0e552da7Schristos 
36*0e552da7Schristos   if (handle == (uv_handle_t*)&timer) {
37*0e552da7Schristos     seen_timer_handle++;
38*0e552da7Schristos   } else {
39*0e552da7Schristos     ASSERT(0 && "unexpected handle");
40*0e552da7Schristos   }
41*0e552da7Schristos }
42*0e552da7Schristos 
43*0e552da7Schristos 
timer_cb(uv_timer_t * handle)44*0e552da7Schristos static void timer_cb(uv_timer_t* handle) {
45*0e552da7Schristos   ASSERT(handle == &timer);
46*0e552da7Schristos 
47*0e552da7Schristos   uv_walk(handle->loop, walk_cb, magic_cookie);
48*0e552da7Schristos   uv_close((uv_handle_t*)handle, NULL);
49*0e552da7Schristos }
50*0e552da7Schristos 
51*0e552da7Schristos 
TEST_IMPL(walk_handles)52*0e552da7Schristos TEST_IMPL(walk_handles) {
53*0e552da7Schristos   uv_loop_t* loop;
54*0e552da7Schristos   int r;
55*0e552da7Schristos 
56*0e552da7Schristos   loop = uv_default_loop();
57*0e552da7Schristos 
58*0e552da7Schristos   r = uv_timer_init(loop, &timer);
59*0e552da7Schristos   ASSERT(r == 0);
60*0e552da7Schristos 
61*0e552da7Schristos   r = uv_timer_start(&timer, timer_cb, 1, 0);
62*0e552da7Schristos   ASSERT(r == 0);
63*0e552da7Schristos 
64*0e552da7Schristos   /* Start event loop, expect to see the timer handle in walk_cb. */
65*0e552da7Schristos   ASSERT(seen_timer_handle == 0);
66*0e552da7Schristos   r = uv_run(loop, UV_RUN_DEFAULT);
67*0e552da7Schristos   ASSERT(r == 0);
68*0e552da7Schristos   ASSERT(seen_timer_handle == 1);
69*0e552da7Schristos 
70*0e552da7Schristos   /* Loop is finished, walk_cb should not see our timer handle. */
71*0e552da7Schristos   seen_timer_handle = 0;
72*0e552da7Schristos   uv_walk(loop, walk_cb, magic_cookie);
73*0e552da7Schristos   ASSERT(seen_timer_handle == 0);
74*0e552da7Schristos 
75*0e552da7Schristos   MAKE_VALGRIND_HAPPY();
76*0e552da7Schristos   return 0;
77*0e552da7Schristos }
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