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 "%Z%%M% %I% %E% 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 } 66