xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/proc/tst.startexit.ksh (revision 60405de4d8688d96dd05157c28db3ade5c9bc234)
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	"%Z%%M%	%I%	%E% SMI"
27
28#
29# This script tests that the firing order of probes in a process is:
30#
31#  1.  proc:::start
32#  2.  proc:::lwp-start
33#  3.  proc:::lwp-exit
34#  4.  proc:::exit
35#
36# If this fails, the script will run indefinitely; it relies on the harness
37# to time it out.
38#
39script()
40{
41	$dtrace -s /dev/stdin <<EOF
42	proc:::start
43	/curpsinfo->pr_ppid == $child/
44	{
45		self->start = 1;
46	}
47
48	proc:::lwp-start
49	/self->start/
50	{
51		self->lwp_start = 1;
52	}
53
54	proc:::lwp-exit
55	/self->lwp_start/
56	{
57		self->lwp_exit = 1;
58	}
59
60	proc:::exit
61	/self->lwp_exit == 1/
62	{
63		exit(0);
64	}
65EOF
66}
67
68sleeper()
69{
70	while true; do
71		/usr/bin/sleep 1
72	done
73}
74
75if [ $# != 1 ]; then
76	echo expected one argument: '<'dtrace-path'>'
77	exit 2
78fi
79
80dtrace=$1
81
82sleeper &
83child=$!
84
85script
86status=$?
87
88kill $child
89exit $status
90