xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/proc/tst.discard.ksh (revision 3d393ee6c37fa10ac512ed6d36109ad616dc7c1a)
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-discard probe fires correctly
30# 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-discard
39	/args[1]->pr_pid == $child &&
40	    args[1]->pr_psargs == "$longsleep" && args[2] == SIGHUP/
41	{
42		exit(0);
43	}
44EOF
45}
46
47killer()
48{
49	while true; do
50		sleep 1
51		/usr/bin/kill -HUP $child
52	done
53}
54
55if [ $# != 1 ]; then
56	echo expected one argument: '<'dtrace-path'>'
57	exit 2
58fi
59
60dtrace=$1
61longsleep="/usr/bin/sleep 10000"
62
63/usr/bin/nohup $longsleep &
64child=$!
65
66killer &
67killer=$!
68script
69status=$?
70
71kill $child
72kill $killer
73
74exit $status
75