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 #include <unistd.h>
28
29 int
waiting(volatile int * a)30 waiting(volatile int *a)
31 {
32 return (*a);
33 }
34
35 int
go(void)36 go(void)
37 {
38 int i, j, total = 0;
39
40 for (i = 0; i < 10; i++) {
41 for (j = 0; j < 10; j++) {
42 total += i * j;
43 }
44 }
45
46 return (total);
47 }
48
49 int
main(int argc,char ** argv)50 main(int argc, char **argv)
51 {
52 volatile int a = 0;
53
54 while (waiting(&a) == 0)
55 continue;
56
57 if (vfork() == 0) {
58 int ret = go();
59 (void) _exit(ret);
60 }
61
62 return (0);
63 }
64