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