usr/src/cmd/dtrace/test/tst/common/proc/tst.discard.ksh

   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-discard probe fires correctly
  30 # 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-discard
  39         /args[1]->pr_pid == $child &&
  40             args[1]->pr_psargs == "$longsleep" && args[2] == SIGHUP/
  41         {
  42                 exit(0);
  43         }
  44 EOF
  45 }
  46
  47 killer()
  48 {
  49         while true; do
  50                 sleep 1
  51                 /usr/bin/kill -HUP $child
  52         done
  53 }
  54
  55 if [ $# != 1 ]; then
  56         echo expected one argument: '<'dtrace-path'>'
  57         exit 2
  58 fi
  59
  60 dtrace=$1
  61 longsleep="/usr/bin/sleep 10000"
  62
  63 /usr/bin/nohup $longsleep &
  64 child=$!
  65
  66 killer &
  67 killer=$!
  68 script
  69 status=$?
  70
  71 kill $child
  72 kill $killer
  73
  74 exit $status