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cups/rccupsrenice

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#! /bin/sh
# Copyright (c) 1995-2005 SUSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Klaus Singvogel.
# Please send feedback to http://www.suse.de/feedback/
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
### BEGIN INIT INFO
# Provides: cupsrenice
# Should-Start: $ALL
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 5
# Default-Stop: 0 1 2 3 6
# Short-Description: renice cupsd after the kde is running
# Description: bring cups daemon back to normal IO process level
# after the graphical system is up and running.
# This should result in a faster boot time
### END INIT INFO
#
#FOO_BIN=/usr/sbin/FOO
#test -x $FOO_BIN || { echo "$FOO_BIN not installed";
# if [ "$1" = "stop" ]; then exit 0;
# else exit 5; fi; }
#
## Check for existence of needed config file and read it
#FOO_CONFIG=/etc/sysconfig/FOO
#test -r $FOO_CONFIG || { echo "$FOO_CONFIG not existing";
# if [ "$1" = "stop" ]; then exit 0;
# else exit 6; fi; }
#
## Read config
#. $FOO_CONFIG
. /etc/rc.status
# Reset status of this service
rc_reset
find_and_renice_cups_procs()
{
# ...find process pid of cupsd and remember as parent pid
ppid=`/bin/ps -A | awk '/cupsd/{print $1}'`
# if no cupsd is running, don't do further processing
if [ -z "$ppid" ]; then
return
fi
# ...find sibling processes from daemon
list1=`/bin/ps --ppid $ppid | /usr/bin/awk '/[0-9]/{printf "%s ", $1}'`
# ...find processes owned by "lp"
list2=`/bin/ps -A -fl | /usr/bin/awk '{if ($3 ~ "lp") printf "%s ",$4}'`
# ...and renice them
for i in `echo $list1 $list2 $ppid | awk '{for (i=1;i<=NF;i++){print $i}}'| sort -u`
do
/usr/bin/ionice -c 1 "$i"
done
}
case "$1" in
start)
( sleep 40; find_and_renice_cups_procs ) &
rc_status -v
;;
stop)
rc_exit
;;
try-restart|condrestart)
$0 status
if test $? = 0; then
$0 restart
else
rc_reset # Not running is not a failure.
fi
# Remember status and be quiet
rc_status
;;
restart)
## Stop the service and regardless of whether it was
## running or not, start it again.
$0 stop
$0 start
# Remember status and be quiet
rc_status
;;
force-reload)
rc_failed 3
rc_status -v
;;
reload)
rc_failed 3
rc_status -v
;;
status)
rc_status -v
;;
*)
echo "Usage: $0 {start|stop|status|try-restart|restart|status}"
exit 1
;;
esac
rc_exit