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 <sys/types.h>
28 #include <sys/wait.h>
29 #include <spawn.h>
30 #include <signal.h>
31 #include <stdio.h>
32 
33 void go(void);
34 void intr(int);
35 
36 void
37 go(void)
38 {
39 	pid_t pid;
40 
41 	(void) posix_spawn(&pid, "/bin/ls", NULL, NULL, NULL, NULL);
42 
43 	(void) waitpid(pid, NULL, 0);
44 }
45 
46 void
47 intr(int sig __unused)
48 {
49 }
50 
51 int
52 main(void)
53 {
54 	struct sigaction sa;
55 
56 	sa.sa_handler = intr;
57 	sigfillset(&sa.sa_mask);
58 	sa.sa_flags = 0;
59 
60 	(void) sigaction(SIGUSR1, &sa, NULL);
61 
62 	for (;;) {
63 		go();
64 	}
65 
66 	return (0);
67 }
68