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dispatch_timer_bit63.c
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70 lines (58 loc) · 1.64 KB
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/*
* 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 <config/config.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"
void
test_timer(void)
{
dispatch_test_start("Dispatch Source Timer, bit 63");
//uint64_t interval = 0xffffffffffffffffull;
uint64_t interval = 0x8000000000000001ull;
dispatch_queue_t mainq = dispatch_get_main_queue();
__block int i = 0;
struct timeval start_time;
gettimeofday(&start_time, NULL);
static dispatch_source_t ds;
ds = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, mainq);
assert(ds);
dispatch_source_set_event_handler(ds, ^{
assert(i < 1);
printf("%d\n", i++);
});
dispatch_source_set_timer(ds, DISPATCH_TIME_NOW, interval, 0);
dispatch_resume(ds);
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 1*NSEC_PER_SEC),
dispatch_get_main_queue(), ^{
test_stop();
});
}
int
main(void)
{
test_timer();
dispatch_main();
return 0;
}