一个服务的例子

一个服务的例子

 

Java代码  

#!/bin/bash  

#  

# memcached Init file for starting and stopping  

#  

# chkconfig: 35 80 30  

# description: memcached startup script  

  

# Source function library.  

  

. /etc/rc.d/init.d/functions  

  

MEMCACHED_OWNER="root"  

MEMCACHED_HOME=/opt/App/memcached  

MEMCACHED_BIN=$MEMCACHED_HOME/bin  

MEMCACHED_PID=$MEMCACHED_HOME/memcached11311.pid  

MEMCACHE_PORT=11311  

  

function_check_pid_file()  

{  

    if [ -f $MEMCACHED_PID ];  

       then  

            echo "PID has locked in $MEMCACHED_PID, Script Exit."  

            exit 1  

    fi  

}  

  

function_stoping_check()  

{  

    if [ -f $MEMCACHED_PID ];  

           then  

            kill -0 `cat $MEMCACHED_PID` &>/dev/null  

            ret=$?  

              

            if [ $ret -eq "0" ];   

                then  

                   return "0"  

                else   

                   echo "memcached isn't running but the PID file $MEMCACHED_PID exist. You should delete this file."  

                   exit 1  

           fi  

          else   

            echo "NO PID file $MEMCACHED_PID exist."  

            exit 1  

    fi  

}  

  

case "$1" in  

start)  

  

function_check_pid_file  

  

echo -n $"Starting memcached: "  

su - $MEMCACHED_OWNER -c "$MEMCACHED_BIN/memcached -d -m 256 -p $MEMCACHE_PORT -u root -P $MEMCACHED_PID -c 5000"  

echo "[OK]"  

;;  

stop)  

function_stoping_check  

echo -n $"Stopping memcached: "  

su - $MEMCACHED_OWNER -c "kill `cat $MEMCACHED_PID` "  

echo "[OK]"  

trap "rm -f $MEMCACHED_PID" EXIT  

;;  

*)  

echo $"Usage: $0 {start|stop}"  

esac  

 

 

Java代码  

CATALINA_PID=/opt/deploy/qa-venus/tomcat.pid