etc/rc.shutdown

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 1997  Ollivier Robert
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25 # SUCH DAMAGE.
  26 #
  27 # $FreeBSD: src/etc/rc.shutdown,v 1.25 2003/07/08 02:52:14 mtm Exp $
  28 #
  29
  30 # Closing actions for daemons run by init on shutdown,
  31 # or before going single-user from multi-user.
  32 # Output and errors are directed to console by init, and the
  33 # console is the controlling terminal.
  34
  35 stty status '^T'
  36
  37 # Set shell to ignore SIGINT (2), but not children;
  38 # shell catches SIGQUIT (3) and returns to single user after fsck.
  39 trap : 2
  40 trap : 3        # shouldn't be needed
  41
  42 HOME=/
  43 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/pkg/sbin
  44 export HOME PATH
  45
  46 . /etc/rc.subr
  47
  48 load_rc_config 'XXX'
  49
  50 # reverse_list list
  51 #       print the list in reverse order
  52 #
  53 reverse_list()
  54 {
  55         _revlist=
  56         for _revfile in $*; do
  57                 _revlist="$_revfile${script_name_sep}$_revlist"
  58         done
  59         echo $_revlist
  60 }
  61
  62 # If requested, start a watchdog timer in the background which
  63 # will terminate rc.shutdown if rc.shutdown doesn't complete
  64 # within the specified time.
  65 #
  66 _rcshutdown_watchdog=
  67 if [ -n "$rcshutdown_timeout" ]; then
  68         debug "Initiating watchdog timer."
  69         sleep $rcshutdown_timeout && (
  70                 _msg="$rcshutdown_timeout second watchdog" \
  71                     " timeout expired. Shutdown terminated."
  72                 logger -t rc.shutdown "$_msg"
  73                 echo "$_msg"
  74                 date
  75                 kill -KILL $$ >/dev/null 2>&1
  76         ) &
  77         _rcshutdown_watchdog=$!
  78 fi
  79
  80 files=`rcorder -k shutdown /etc/rc.d/* 2>/dev/null`
  81
  82 for _rc_elem in `reverse_list $files`; do
  83         debug "run_rc_script $_rc_elem stop"
  84         run_rc_script $_rc_elem stop
  85 done
  86
  87 # Terminate the background watchdog timer (if it is running)
  88 #
  89 if [ -n "$_rcshutdown_watchdog" ]; then
  90         kill -TERM $_rcshutdown_watchdog >/dev/null 2>&1
  91 fi
  92
  93 echo '.'
  94 exit 0