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comparison usr/src/cmd/dtrace/test/tst/common/pid/tst.vfork.c @ 0:c9caec207d52 b86

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Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
comparison
equal deleted inserted replaced
-1:000000000000 0:c9caec207d52
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "@(#)tst.vfork.c 1.1 06/08/28 SMI"
28
29 #include <unistd.h>
30
31 int
32 waiting(volatile int *a)
33 {
34 return (*a);
35 }
36
37 int
38 go(void)
39 {
40 int i, j, total = 0;
41
42 for (i = 0; i < 10; i++) {
43 for (j = 0; j < 10; j++) {
44 total += i * j;
45 }
46 }
47
48 return (total);
49 }
50
51 int
52 main(int argc, char **argv)
53 {
54 volatile int a = 0;
55
56 while (waiting(&a) == 0)
57 continue;
58
59 if (vfork() == 0) {
60 int ret = go();
61 (void) _exit(ret);
62 }
63
64 return (0);
65 }