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_PTR_EQ(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_PTR_EQ(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_PTR_EQ(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_OK(r); 77 r = uv_idle_start(&idle_handle, idle_cb); 78 ASSERT_OK(r); 79 80 r = uv_check_init(uv_default_loop(), &check_handle); 81 ASSERT_OK(r); 82 r = uv_check_start(&check_handle, check_cb); 83 ASSERT_OK(r); 84 85 r = uv_timer_init(uv_default_loop(), &timer_handle); 86 ASSERT_OK(r); 87 r = uv_timer_start(&timer_handle, timer_cb, 50, 0); 88 ASSERT_OK(r); 89 90 r = uv_run(uv_default_loop(), UV_RUN_DEFAULT); 91 ASSERT_OK(r); 92 93 ASSERT_GT(idle_cb_called, 0); 94 ASSERT_EQ(1, timer_cb_called); 95 ASSERT_EQ(3, close_cb_called); 96 97 MAKE_VALGRIND_HAPPY(uv_default_loop()); 98 return 0; 99} 100 101 102static void idle_stop(uv_idle_t* handle) { 103 uv_idle_stop(handle); 104} 105 106 107TEST_IMPL(idle_check) { 108 ASSERT_OK(uv_idle_init(uv_default_loop(), &idle_handle)); 109 ASSERT_OK(uv_idle_start(&idle_handle, idle_stop)); 110 111 ASSERT_OK(uv_check_init(uv_default_loop(), &check_handle)); 112 ASSERT_OK(uv_check_start(&check_handle, check_cb)); 113 114 ASSERT_EQ(1, uv_run(uv_default_loop(), UV_RUN_ONCE)); 115 ASSERT_EQ(1, check_cb_called); 116 117 ASSERT_OK(close_cb_called); 118 uv_close((uv_handle_t*) &idle_handle, close_cb); 119 uv_close((uv_handle_t*) &check_handle, close_cb); 120 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_ONCE)); 121 ASSERT_EQ(2, close_cb_called); 122 123 MAKE_VALGRIND_HAPPY(uv_default_loop()); 124 return 0; 125} 126