File: dispatch_sema.c

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (56 lines) | stat: -rw-r--r-- 1,357 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/*
 * 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 <dispatch/dispatch.h>
#if !USE_WIN32_SEM
#include <pthread.h>
#endif
#include <stdio.h>
#include <assert.h>

#include <bsdtests.h>
#include "dispatch_test.h"

#define LAPS 10000

int
main(void)
{
	static long total;
	dispatch_semaphore_t dsema;

	dispatch_test_start("Dispatch Semaphore");

	dsema = dispatch_semaphore_create(1);
	assert(dsema);

	dispatch_apply(LAPS, dispatch_get_global_queue(0, 0), ^(size_t idx __attribute__((unused))) {
		dispatch_semaphore_wait(dsema, DISPATCH_TIME_FOREVER);
		total++;
		dispatch_semaphore_signal(dsema);
	});

	dispatch_release(dsema);

	test_long("count", total, LAPS);
	test_stop();

	return 0;
}