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#pragma ident	"@(#)tst.signal.ksh	1.1	06/08/28 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{
37if [ -f /usr/lib/dtrace/darwin.d ]; then
38	$dtrace -s /dev/stdin <<EOF
39	proc:::signal-send
40	/execname == "kill" && curpsinfo->pr_ppid == $child  &&
41	    args[1]->pr_psargs == "sleep" && args[2] == SIGUSR1/
42	{
43		/*
44		 * This is guaranteed to not race with signal-handle.
45		 */
46		target = args[1]->pr_pid;
47	}
48
49	proc:::signal-handle
50	/target == pid && args[0] == SIGUSR1/
51	{
52		exit(0);
53	}
54EOF
55else
56	$dtrace -s /dev/stdin <<EOF
57	proc:::signal-send
58	/execname == "kill" && curpsinfo->pr_ppid == $child &&
59	    args[1]->pr_psargs == "$longsleep" && args[2] == SIGUSR1/
60	{
61		/*
62		 * This is guaranteed to not race with signal-handle.
63		 */
64		target = args[1]->pr_pid;
65	}
66
67	proc:::signal-handle
68	/target == pid && args[0] == SIGUSR1/
69	{
70		exit(0);
71	}
72EOF
73fi
74}
75
76sleeper()
77{
78	while true; do
79		if [ -f /usr/lib/dtrace/darwin.d ]; then
80			$longsleep &
81			sleep 1
82			/bin/kill -USR1 $!
83		else
84			$longsleep &
85			sleep 1
86			/usr/bin/kill -USR1 $!
87		fi
88	done
89}
90
91dtrace=/usr/sbin/dtrace
92if [ -f /usr/lib/dtrace/darwin.d ]; then
93	longsleep="/bin/sleep 10000"
94else
95	longsleep="/usr/bin/sleep 10000"
96fi
97
98sleeper &
99child=$!
100
101script
102status=$?
103
104pstop $child
105pkill -P $child
106kill $child
107prun $child
108
109exit $status
110