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116 lines
3.0 KiB
C
116 lines
3.0 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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#include <dispatch/dispatch.h>
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#include <bsdtests.h>
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#include "dispatch_test.h"
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dispatch_source_t tweedledee;
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dispatch_source_t tweedledum;
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static void
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fini(void *cxt)
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{
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test_ptr_notnull("finalizer ran", cxt);
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if (cxt == tweedledum) {
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test_stop();
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}
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}
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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 Suspend 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, i_prime = 0;
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__block int j = 0;
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tweedledee = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q);
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test_ptr_notnull("dispatch_source_timer_create", tweedledee);
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dispatch_source_set_timer(tweedledee, dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC), NSEC_PER_SEC, 0);
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dispatch_source_set_cancel_handler(tweedledee, ^{
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dispatch_release(tweedledee);
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});
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dispatch_source_set_event_handler(tweedledee, ^{
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i_prime += dispatch_source_get_data(tweedledee);
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fprintf(stderr, "tweedledee %d (%d)\n", ++i, i_prime);
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if (i == 10) {
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dispatch_source_cancel(tweedledee);
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}
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});
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dispatch_set_context(tweedledee, tweedledee);
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dispatch_set_finalizer_f(tweedledee, fini);
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dispatch_resume(tweedledee);
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tweedledum = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, main_q);
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test_ptr_notnull("dispatch_source_timer_create", tweedledum);
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dispatch_source_set_timer(tweedledum, dispatch_time(DISPATCH_TIME_NOW, 3 * NSEC_PER_SEC + NSEC_PER_SEC / 2), 3 * NSEC_PER_SEC, 0);
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dispatch_source_set_cancel_handler(tweedledum, ^{
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dispatch_release(tweedledum);
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});
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dispatch_source_set_event_handler(tweedledum, ^{
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switch(++j) {
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case 1:
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fprintf(stderr, "suspending timer for 3 seconds\n");
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dispatch_suspend(tweedledee);
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break;
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case 2:
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fprintf(stderr, "resuming timer\n");
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test_long("tweedledee tick count", i, 3);
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test_long("tweedledee virtual tick count", i_prime, 3);
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dispatch_resume(tweedledee);
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break;
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default:
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test_long("tweedledee tick count", i, 7);
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test_long("tweedledee virtual tick count", i_prime, 9);
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dispatch_source_cancel(tweedledum);
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break;
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}
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});
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dispatch_set_context(tweedledum, tweedledum);
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dispatch_set_finalizer_f(tweedledum, fini);
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dispatch_resume(tweedledum);
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}
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int
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main(void)
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{
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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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