xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/pid/tst.ret2.c (revision 73b80b821da76082173547dd650e417f6916eb8b)
1*9512fe85Sahl /*
2*9512fe85Sahl  * CDDL HEADER START
3*9512fe85Sahl  *
4*9512fe85Sahl  * The contents of this file are subject to the terms of the
5*9512fe85Sahl  * Common Development and Distribution License (the "License").
6*9512fe85Sahl  * You may not use this file except in compliance with the License.
7*9512fe85Sahl  *
8*9512fe85Sahl  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*9512fe85Sahl  * or http://www.opensolaris.org/os/licensing.
10*9512fe85Sahl  * See the License for the specific language governing permissions
11*9512fe85Sahl  * and limitations under the License.
12*9512fe85Sahl  *
13*9512fe85Sahl  * When distributing Covered Code, include this CDDL HEADER in each
14*9512fe85Sahl  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*9512fe85Sahl  * If applicable, add the following below this CDDL HEADER, with the
16*9512fe85Sahl  * fields enclosed by brackets "[]" replaced with your own identifying
17*9512fe85Sahl  * information: Portions Copyright [yyyy] [name of copyright owner]
18*9512fe85Sahl  *
19*9512fe85Sahl  * CDDL HEADER END
20*9512fe85Sahl  */
21*9512fe85Sahl 
22*9512fe85Sahl /*
23*9512fe85Sahl  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24*9512fe85Sahl  * Use is subject to license terms.
25*9512fe85Sahl  */
26*9512fe85Sahl 
27*9512fe85Sahl #include <signal.h>
28*9512fe85Sahl #include <unistd.h>
29*9512fe85Sahl 
30*9512fe85Sahl /*
31*9512fe85Sahl  * The canonical name should be 'go' since we prefer symbol names with fewer
32*9512fe85Sahl  * leading underscores.
33*9512fe85Sahl  */
34*9512fe85Sahl 
35*9512fe85Sahl int a = 100;
36*9512fe85Sahl 
37*9512fe85Sahl int
go(void)38*9512fe85Sahl go(void)
39*9512fe85Sahl {
40*9512fe85Sahl 	return (a);
41*9512fe85Sahl }
42*9512fe85Sahl 
43*9512fe85Sahl static void
handle(int sig)44*9512fe85Sahl handle(int sig)
45*9512fe85Sahl {
46*9512fe85Sahl 	go();
47*9512fe85Sahl 	exit(0);
48*9512fe85Sahl }
49*9512fe85Sahl 
50*9512fe85Sahl int
main(int argc,char ** argv)51*9512fe85Sahl main(int argc, char **argv)
52*9512fe85Sahl {
53*9512fe85Sahl 	(void) signal(SIGUSR1, handle);
54*9512fe85Sahl 	for (;;)
55*9512fe85Sahl 		getpid();
56*9512fe85Sahl }
57