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 29int waiting(volatile int *); 30int go(void); 31 32int 33waiting(volatile int *a) 34{ 35 return (*a); 36} 37 38int 39go(void) 40{ 41 int i, j, total = 0; 42 43 for (i = 0; i < 10; i++) { 44 for (j = 0; j < 10; j++) { 45 total += i * j; 46 } 47 } 48 49 return (total); 50} 51 52int 53main(void) 54{ 55 volatile int a = 0; 56 57 while (waiting(&a) == 0) 58 continue; 59 60 (void) fork(); 61 (void) go(); 62 63 return (0); 64} 65