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 2007 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26# ident	"%Z%%M%	%I%	%E% SMI"
27
28#
29# This script tests that the proc:::signal-send and proc:::signal-handle
30# probes fire correctly and with the correct arguments.
31#
32# If this fails, the script will run indefinitely; it relies on the harness
33# to time it out.
34#
35script()
36{
37	$dtrace -s /dev/stdin <<EOF
38	proc:::signal-send
39	/execname == "kill" && curpsinfo->pr_ppid == $child &&
40	    xlate<psinfo_t *>(args[1])->pr_psargs == "$longsleep" &&
41	    args[2] == SIGUSR1/
42	{
43		/*
44		 * This is guaranteed to not race with signal-handle.
45		 */
46		target = args[1]->p_pid;
47	}
48
49	proc:::signal-handle
50	/target == pid && args[0] == SIGUSR1/
51	{
52		exit(0);
53	}
54EOF
55}
56
57sleeper()
58{
59	while true; do
60		$longsleep &
61		sleep 1
62		kill -USR1 $!
63	done
64}
65
66if [ $# != 1 ]; then
67	echo expected one argument: '<'dtrace-path'>'
68	exit 2
69fi
70
71dtrace=$1
72longsleep="/bin/sleep 10000"
73
74sleeper &
75child=$!
76
77script
78status=$?
79
80kill -STOP $child
81pkill -P $child
82kill $child
83kill -CONT $child
84
85exit $status
86