lfs-book-zh_CN/bootscripts/lfs/init.d/sendsignals

#!/bin/sh
########################################################################
# Begin sendsignals
#
# Description : Sendsignals Script
#
# Authors     : Gerard Beekmans - gerard@linuxfromscratch.org
# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
#
# Version     : LFS 7.0
#
########################################################################

### BEGIN INIT INFO
# Provides:            sendsignals
# Required-Start:
# Should-Start:
# Required-Stop:       $local_fs swap localnet
# Should-Stop:
# Default-Start:
# Default-Stop:        0 6
# Short-Description:   Attempts to kill remaining processes.
# Description:         Attempts to kill remaining processes.
# X-LFS-Provided-By:   LFS
### END INIT INFO

. /lib/boot//functions

case "${1}" in
   stop)
      boot_mesg "Sending all processes the TERM signal..."
      killall5 -15
      error_value=${?}

      sleep ${KILLDELAY}

      if [ "${error_value}" = 0 -o "${error_value}" = 2 ]; then
         echo_ok
      else
         echo_failure
      fi

      boot_mesg "Sending all processes the KILL signal..."
      killall5 -9
      error_value=${?}

      sleep ${KILLDELAY}

      if [ "${error_value}" = 0 -o "${error_value}" = 2 ]; then
         echo_ok
      else
         echo_failure
      fi
      ;;

   *)
      echo "Usage: ${0} {stop}"
      exit 1
      ;;

esac

# End sendsignals