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
25
26static uv_idle_t idle_handle;
27static uv_check_t check_handle;
28static uv_timer_t timer_handle;
29
30static int idle_cb_called = 0;
31static int check_cb_called = 0;
32static int timer_cb_called = 0;
33static int close_cb_called = 0;
34
35
36static void close_cb(uv_handle_t* handle) {
37 close_cb_called++;
38}
39
40
41static void timer_cb(uv_timer_t* handle) {
42 ASSERT(handle == &timer_handle);
43
44 uv_close((uv_handle_t*) &idle_handle, close_cb);
45 uv_close((uv_handle_t*) &check_handle, close_cb);
46 uv_close((uv_handle_t*) &timer_handle, close_cb);
47
48 timer_cb_called++;
49 fprintf(stderr, "timer_cb %d\n", timer_cb_called);
50 fflush(stderr);
51}
52
53
54static void idle_cb(uv_idle_t* handle) {
55 ASSERT(handle == &idle_handle);
56
57 idle_cb_called++;
58 fprintf(stderr, "idle_cb %d\n", idle_cb_called);
59 fflush(stderr);
60}
61
62
63static void check_cb(uv_check_t* handle) {
64 ASSERT(handle == &check_handle);
65
66 check_cb_called++;
67 fprintf(stderr, "check_cb %d\n", check_cb_called);
68 fflush(stderr);
69}
70
71
72TEST_IMPL(idle_starvation) {
73 int r;
74
75 r = uv_idle_init(uv_default_loop(), &idle_handle);
76 ASSERT(r == 0);
77 r = uv_idle_start(&idle_handle, idle_cb);
78 ASSERT(r == 0);
79
80 r = uv_check_init(uv_default_loop(), &check_handle);
81 ASSERT(r == 0);
82 r = uv_check_start(&check_handle, check_cb);
83 ASSERT(r == 0);
84
85 r = uv_timer_init(uv_default_loop(), &timer_handle);
86 ASSERT(r == 0);
87 r = uv_timer_start(&timer_handle, timer_cb, 50, 0);
88 ASSERT(r == 0);
89
90 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
91 ASSERT(r == 0);
92
93 ASSERT(idle_cb_called > 0);
94 ASSERT(timer_cb_called == 1);
95 ASSERT(close_cb_called == 3);
96
97 MAKE_VALGRIND_HAPPY();
98 return 0;
99}
100