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#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# ident "%Z%%M% %I% %E% SMI"
#
# This script tests that -- if a exec(2) fails -- the proc:::exec probe fires,
# followed by the proc:::exec-success probe (in a successful exec(2)). To
# circumvent any potential shell cleverness, this script generates exec
# failure by generating a file with a bogus interpreter. (It seems unlikely
# that a shell -- regardless of how clever it claims to be -- would bother to
# validate the interpreter before exec'ing.)
#
# If this fails, the script will run indefinitely; it relies on the harness
# to time it out.
#
script()
{
$dtrace -s /dev/stdin <<EOF
proc:::exec
/curpsinfo->pr_ppid == $child && args[0] == "$badexec"/
{
self->exec = 1;
}
proc:::exec-failure
/self->exec/
{
exit(0);
}
EOF
}
sleeper()
{
while true; do
/usr/bin/sleep 1
$badexec
done
}
if [ $# != 1 ]; then
echo expected one argument: '<'dtrace-path'>'
exit 2
fi
badexec=/tmp/execfail.ksh.$$
dtrace=$1
cat > $badexec <<EOF
#!/this_is_a_bogus_interpreter
EOF
chmod +x $badexec
sleeper &
child=$!
script
status=$?
kill $child
rm $badexec
exit $status
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