usr/src/cmd/allocate/wdwwrapper.sh

   1 #! /bin/ksh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance with the License.
   8 #
   9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10 # or http://www.opensolaris.org/os/licensing.
  11 # See the License for the specific language governing permissions
  12 # and limitations under the License.
  13 #
  14 # When distributing Covered Code, include this CDDL HEADER in each
  15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16 # If applicable, add the following below this CDDL HEADER, with the
  17 # fields enclosed by brackets "[]" replaced with your own identifying
  18 # information: Portions Copyright [yyyy] [name of copyright owner]
  19 #
  20 # CDDL HEADER END
  21 #
  22 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  23 # Use is subject to license terms.
  24 #
  25 #pragma ident   "%Z%%M% %I%     %E% SMI"
  26 #
  27
  28
  29 # Script to wrap a non-windowing clean script to provide a prompt
  30 # before the dtterm window closes, and to catch abnormal terminations.
  31
  32 # For any abnormal termination of the clean script, kill our parent
  33 # process so that our grandparent will know that the script did not
  34 # terminate normally.  (We expect our parent to be dtterm, and our
  35 # grandparent to be allocate.)
  36
  37 # Trap any signal that would cause abnormal termination of the script,
  38 # This catches use of ^C, ^Z, etc., and it also catches the HUP signal
  39 # when the dtterm window is closed before the script is finished.
  40
  41 PARENT_KILLED=no
  42
  43 killparent() {
  44   if [ $PARENT_KILLED = "no" ]; then
  45     PARENT_KILLED=yes
  46     kill -9 $PPID
  47   fi
  48 }
  49
  50 trap "killparent" HUP INT TERM QUIT TSTP ABRT
  51
  52 SCRIPT=$1
  53 shift
  54
  55 if [ ! -e $SCRIPT ]; then
  56         echo **** Clean script $SCRIPT not found ****
  57         echo "**** Press RETURN to close window ****"
  58         read
  59         kill -9 $PPID
  60 fi
  61
  62 echo "**** Device cleanup for $2 ****\n"
  63
  64 $SCRIPT "$@"
  65 STAT=$?
  66
  67 echo "\n**** Press RETURN to close window ****"
  68 read
  69
  70 # If the script returned a non-zero exit status, kill our dtterm
  71 # parent process.
  72
  73 if [ $STAT != 0 ]; then
  74         killparent
  75 fi