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      1 #!/bin/sh
      2 
      3 NTPD=/usr/sbin/ntpd
      4 PIDFILE=/var/run/ntpd.pid
      5 USER=ntp
      6 GROUP=ntp
      7 NTPD_OPTS="-g -u $USER:$GROUP -p $PIDFILE"
      8 
      9 ntpd_start() {
     10     if [ -r $PIDFILE ]; then
     11         echo "ntpd seems to be already running under pid `cat $PIDFILE`."
     12         echo "Delete $PIDFILE if this is not the case.";
     13         return 1;
     14     fi
     15     echo -n "Starting NTP daemon... "
     16 
     17     $NTPD $NTPD_OPTS
     18 
     19     # You can't always rely on the ntpd exit code, see Bug #2420
     20     # case "$?" in
     21     #     0) echo "OK!"
     22     #         return 0;;
     23     #     *) echo "FAILED!"
     24     #         return 1;;
     25     # esac
     26 
     27     sleep 1
     28 
     29     if ps -Ao args|grep -q "^$NTPD $NTPD_OPTS"; then
     30         echo "OK!"
     31         return 0
     32     else
     33         echo "FAILED!"
     34         [ -e $PIDFILE ] && rm $PIDFILE
     35         return 1
     36     fi
     37 }
     38 
     39 ntpd_stop() {
     40     if [ ! -r $PIDFILE ]; then
     41         echo "ntpd doesn't seem to be running, cannot read the pid file."
     42         return 1;
     43     fi
     44     echo -n "Stopping NTP daemon...";
     45     PID=`cat $PIDFILE`
     46 
     47     if kill -TERM $PID 2> /dev/null;then
     48         # Give ntp 15 seconds to exit
     49         for i in `seq 1 15`; do
     50             if [ -n "`ps -p $PID|grep -v PID`" ]; then
     51                 echo -n .
     52                 sleep 1
     53             else
     54                 echo " OK!"
     55                 rm $PIDFILE
     56                 return 0
     57             fi
     58         done
     59     fi
     60 
     61     echo " FAILED! ntpd is still running";
     62     return 1
     63 }
     64 
     65 ntpd_status() {
     66     if [ -r $PIDFILE ]; then
     67         echo "NTP daemon is running as `cat $PIDFILE`"
     68     else
     69         echo "NTP daemon is not running"
     70     fi
     71 }
     72 
     73 case "$1" in
     74     'start')
     75         ntpd_start
     76         ;;
     77     'stop')
     78         ntpd_stop
     79         ;;
     80     'restart')
     81         ntpd_stop && ntpd_start
     82         ;;
     83     'status')
     84         ntpd_status
     85         ;;
     86     *)
     87         echo "Usage: $0 (start|stop|restart|status)"
     88 esac
     89