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 #include <signal.h> 29 #include <stdlib.h> 30 31 static void handle(int sig __unused)32handle(int sig __unused) 33 { 34 exit(0); 35 } 36 37 int main(void)38main(void) 39 { 40 struct sigaction sa; 41 42 sa.sa_handler = handle; 43 sigemptyset(&sa.sa_mask); 44 sa.sa_flags = 0; 45 46 (void) sigaction(SIGUSR1, &sa, NULL); 47 48 for (;;) { 49 (void) getpid(); 50 } 51 } 52