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 <signal.h> 30#include <stdlib.h> 31#include <unistd.h> 32 33/* 34 * The canonical name should be 'go' since we prefer symbol names with fewer 35 * leading underscores. 36 */ 37 38static int 39go(int a) 40{ 41 return (a + 1); 42} 43 44#pragma weak _go = go 45 46static void 47handle(int sig) 48{ 49 _go(1); 50 exit(0); 51} 52 53int 54main(int argc, char **argv) 55{ 56 (void) signal(SIGUSR1, handle); 57 for (;;) 58 getpid(); 59} 60