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 -- if a exec(2) fails -- the proc:::exec probe fires, 30# followed by the proc:::exec-success probe (in a successful exec(2)). To 31# circumvent any potential shell cleverness, this script generates exec 32# failure by generating a file with a bogus interpreter. (It seems unlikely 33# that a shell -- regardless of how clever it claims to be -- would bother to 34# validate the interpreter before exec'ing.) 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:::exec 43 /curpsinfo->pr_ppid == $child && args[0] == "$badexec"/ 44 { 45 self->exec = 1; 46 } 47 48 proc:::exec-failure 49 /self->exec/ 50 { 51 exit(0); 52 } 53EOF 54} 55 56sleeper() 57{ 58 while true; do 59 /usr/bin/sleep 1 60 $badexec 61 done 62} 63 64if [ $# != 1 ]; then 65 echo expected one argument: '<'dtrace-path'>' 66 exit 2 67fi 68 69badexec=/tmp/execfail.ksh.$$ 70dtrace=$1 71 72cat > $badexec <<EOF 73#!/this_is_a_bogus_interpreter 74EOF 75 76chmod +x $badexec 77 78sleeper & 79child=$! 80script 81status=$? 82 83kill $child 84rm $badexec 85 86exit $status 87