12be1a816SJohn Birrell /*
22be1a816SJohn Birrell  * CDDL HEADER START
32be1a816SJohn Birrell  *
42be1a816SJohn Birrell  * The contents of this file are subject to the terms of the
52be1a816SJohn Birrell  * Common Development and Distribution License (the "License").
62be1a816SJohn Birrell  * You may not use this file except in compliance with the License.
72be1a816SJohn Birrell  *
82be1a816SJohn Birrell  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
92be1a816SJohn Birrell  * or http://www.opensolaris.org/os/licensing.
102be1a816SJohn Birrell  * See the License for the specific language governing permissions
112be1a816SJohn Birrell  * and limitations under the License.
122be1a816SJohn Birrell  *
132be1a816SJohn Birrell  * When distributing Covered Code, include this CDDL HEADER in each
142be1a816SJohn Birrell  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
152be1a816SJohn Birrell  * If applicable, add the following below this CDDL HEADER, with the
162be1a816SJohn Birrell  * fields enclosed by brackets "[]" replaced with your own identifying
172be1a816SJohn Birrell  * information: Portions Copyright [yyyy] [name of copyright owner]
182be1a816SJohn Birrell  *
192be1a816SJohn Birrell  * CDDL HEADER END
202be1a816SJohn Birrell  */
212be1a816SJohn Birrell 
222be1a816SJohn Birrell /*
232be1a816SJohn Birrell  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
242be1a816SJohn Birrell  * Use is subject to license terms.
252be1a816SJohn Birrell  */
262be1a816SJohn Birrell 
272be1a816SJohn Birrell #pragma ident	"%Z%%M%	%I%	%E% SMI"
282be1a816SJohn Birrell 
292be1a816SJohn Birrell #include <signal.h>
306e9584fdSMark Johnston #include <stdlib.h>
312be1a816SJohn Birrell #include <unistd.h>
322be1a816SJohn Birrell 
332be1a816SJohn Birrell /*
342be1a816SJohn Birrell  * The canonical name should be 'go' since we prefer symbol names with fewer
352be1a816SJohn Birrell  * leading underscores.
362be1a816SJohn Birrell  */
372be1a816SJohn Birrell 
382be1a816SJohn Birrell int a = 100;
392be1a816SJohn Birrell 
402be1a816SJohn Birrell int
412be1a816SJohn Birrell go(void)
422be1a816SJohn Birrell {
432be1a816SJohn Birrell 	return (a);
442be1a816SJohn Birrell }
452be1a816SJohn Birrell 
462be1a816SJohn Birrell static void
472be1a816SJohn Birrell handle(int sig)
482be1a816SJohn Birrell {
492be1a816SJohn Birrell 	go();
502be1a816SJohn Birrell 	exit(0);
512be1a816SJohn Birrell }
522be1a816SJohn Birrell 
532be1a816SJohn Birrell int
542be1a816SJohn Birrell main(int argc, char **argv)
552be1a816SJohn Birrell {
562be1a816SJohn Birrell 	(void) signal(SIGUSR1, handle);
572be1a816SJohn Birrell 	for (;;)
582be1a816SJohn Birrell 		getpid();
592be1a816SJohn Birrell }
60