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