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      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 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 #
     36 script()
     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 	}
     50 EOF
     51 }
     52 
     53 sleeper()
     54 {
     55 	while true; do
     56 		/usr/bin/sleep 1
     57 		$badexec
     58 	done
     59 }
     60 
     61 if [ $# != 1 ]; then
     62 	echo expected one argument: '<'dtrace-path'>'
     63 	exit 2
     64 fi
     65 
     66 badexec=/tmp/execfail.ENOENT.ksh.$$
     67 dtrace=$1
     68 
     69 cat > $badexec <<EOF
     70 #!/this_is_a_bogus_interpreter
     71 EOF
     72 
     73 chmod +x $badexec
     74 
     75 sleeper &
     76 child=$!
     77 
     78 script
     79 status=$?
     80 
     81 kill $child
     82 rm $badexec
     83 
     84 exit $status
     85