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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 tests that the proc:::signal-send and proc:::signal-handle
     30 # probes fire correctly and with the correct arguments.
     31 #
     32 # If this fails, the script will run indefinitely; it relies on the harness
     33 # to time it out.
     34 #
     35 script()
     36 {
     37 	$dtrace -s /dev/stdin <<EOF
     38 	proc:::signal-send
     39 	/execname == "kill" && curpsinfo->pr_ppid == $child &&
     40 	    args[1]->pr_psargs == "$longsleep" && args[2] == SIGUSR1/
     41 	{
     42 		/*
     43 		 * This is guaranteed to not race with signal-handle.
     44 		 */
     45 		target = args[1]->pr_pid;
     46 	}
     47 
     48 	proc:::signal-handle
     49 	/target == pid && args[0] == SIGUSR1/
     50 	{
     51 		exit(0);
     52 	}
     53 EOF
     54 }
     55 
     56 sleeper()
     57 {
     58 	while true; do
     59 		$longsleep &
     60 		sleep 1
     61 		/usr/bin/kill -USR1 $!
     62 	done
     63 }
     64 
     65 if [ $# != 1 ]; then
     66 	echo expected one argument: '<'dtrace-path'>'
     67 	exit 2
     68 fi
     69 
     70 dtrace=$1
     71 longsleep="/usr/bin/sleep 10000"
     72 
     73 sleeper &
     74 child=$!
     75 
     76 script
     77 status=$?
     78 
     79 pstop $child
     80 pkill -P $child
     81 kill $child
     82 prun $child
     83 
     84 exit $status
     85