xref: /illumos-gate/usr/src/cmd/dtrace/test/tst/common/proc/tst.execfail.ENOENT.ksh (revision b0fe7b8fa79924061f3bdf7f240ea116c2c0b704)
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 is identical to tst.execfail.ksh -- but it additionally checks
30# that errno is set to ENOENT in the case that an interpreter can't be
31# found.
32#
33# If this fails, the script will run indefinitely; it relies on the harness
34# to time it out.
35#
36script()
37{
38	$dtrace -s /dev/stdin <<EOF
39	proc:::exec
40	/curpsinfo->pr_ppid == $child && args[0] == "$badexec"/
41	{
42		self->exec = 1;
43	}
44
45	proc:::exec-failure
46	/self->exec && args[0] == ENOENT/
47	{
48		exit(0);
49	}
50EOF
51}
52
53sleeper()
54{
55	while true; do
56		/usr/bin/sleep 1
57		$badexec
58	done
59}
60
61if [ $# != 1 ]; then
62	echo expected one argument: '<'dtrace-path'>'
63	exit 2
64fi
65
66badexec=/tmp/execfail.ENOENT.ksh.$$
67dtrace=$1
68
69cat > $badexec <<EOF
70#!/this_is_a_bogus_interpreter
71EOF
72
73chmod +x $badexec
74
75sleeper &
76child=$!
77
78script
79status=$?
80
81kill $child
82rm $badexec
83
84exit $status
85