PKGBUILDs/community/preload/rc.preload
2009-10-09 21:15:33 -05:00

94 lines
1.7 KiB
Bash

#!/bin/bash
#
# /etc/rc.d/init.d/preload
#
# Starts the preload daemon
#
# Heavily modified for Arch Linux by Leslie P. Polzer <polzer@gnu.org>.
. /etc/rc.conf
. /etc/rc.d/functions
PID=`pidof -o %PPID /usr/sbin/preload`
if [ -f /etc/conf.d/preload ]; then
. /etc/conf.d/preload
fi
MIN_MEMORY=${MIN_MEMORY:-256}
# Check for > MIN_MEMORY MB
free -m | awk '/Mem:/ {exit ($2 >= ('"$MIN_MEMORY"'))?0:1}' || exit 0
RETVAL=0
#
# See how we were called.
#
start() {
if [ -z "$PID" ]; then
stat_busy "Starting preload daemon: "
/usr/sbin/preload $PRELOAD_OPTS
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
add_daemon preload
stat_done
else
stat_fail
fi
fi
return $RETVAL
}
stop() {
stat_busy "Stopping preload daemon: "
kill $PID &>/dev/null
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
rm_daemon preload
stat_done
PID=""
else
stat_fail
fi
return $RETVAL
}
restart() {
$0 stop
sleep 1
$0 start
}
reload() {
trap "" SIGHUP
kill -HUP $PID
}
case "$1" in
start)
start
;;
stop)
stop
;;
reload)
reload
;;
restart)
restart
;;
condrestart)
if [ ! -z $PID ]; then
restart
else
stat_fail
fi
;;
*)
echo "Usage: $0 {start|stop|restart|condrestart|reload}"
exit 1
esac
exit $RETVAL