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 30 waiting(volatile int *a) 31 { 32 return (*a); 33 } 34 35 int 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 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