| /* |
| * Copyright (c) 2008-2011 Apple Inc. All rights reserved. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_START@ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_END@ |
| */ |
| |
| #include <sys/time.h> |
| #include <assert.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/time.h> |
| |
| #include <dispatch/dispatch.h> |
| |
| #include <bsdtests.h> |
| #include "dispatch_test.h" |
| |
| static void |
| test_timer(void) |
| { |
| dispatch_test_start("Dispatch Update Timer"); |
| |
| dispatch_queue_t main_q = dispatch_get_main_queue(); |
| //test_ptr("dispatch_get_main_queue", main_q, dispatch_get_current_queue()); |
| |
| __block int i = 0; |
| struct timeval start_time; |
| |
| gettimeofday(&start_time, NULL); |
| |
| dispatch_source_t s = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q); |
| test_ptr_notnull("dispatch_source_create", s); |
| |
| dispatch_source_set_timer(s, dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC), NSEC_PER_SEC, 0); |
| |
| dispatch_source_set_cancel_handler(s, ^{ |
| struct timeval end_time; |
| gettimeofday(&end_time, NULL); |
| // Make sure we actually managed to adjust the interval |
| // duration. Fifteen one second ticks would blow past |
| // this. |
| test_long_less_than("total duration", end_time.tv_sec - start_time.tv_sec, 10); |
| test_stop(); |
| |
| dispatch_release(s); |
| }); |
| |
| dispatch_source_set_event_handler(s, ^{ |
| fprintf(stderr, "%d\n", ++i); |
| if (i >= 15) { |
| dispatch_source_cancel(s); |
| } else if (i == 1) { |
| dispatch_source_set_timer(s, dispatch_time(DISPATCH_TIME_NOW, 0), NSEC_PER_SEC / 10, 0); |
| } |
| }); |
| test_ptr_notnull("dispatch_source_timer_create", s); |
| |
| dispatch_resume(s); |
| } |
| |
| int |
| main(void) { |
| test_timer(); |
| dispatch_main(); |
| |
| return 0; |
| } |