守护进程的shell--tipserver

守护进程的shell--tipserver

 

1：可以直接关掉终端，在后台运行

2：可以查询服务的状态

 

3：可以定时启动需要运行的程序（范例为17点启动）

 

4：可以在运行时避免重复启动

tipserver

 

#!/bin/sh

 

run_main_programer()

{

while true

do

if [ "$date_hour" = '17' ]

then

as=`date +'%Y%m%d_%H%M%S'`

sh ./control_sh.sh >log/control_sh_$as.log

sleep 3600

fi

sleep 300

date_hour=`date +'%H'`

done

}

 

 

myself=`echo $0 | sed 's/^\.\///g'`

 

 

if [ $# -eq 0 ]

then

  echo "Unknown command option"

  echo "Usage::"

  echo "       $myself start | stop | status"

  exit

fi

 

 

case "x$1"

in

xstart)

#当前后台运行的线程列表

thread=`ps -ef | grep -v grep | grep -w "$myself" | grep "start" | awk '{ print $2 }'`

#只有本线程运行

if [ "$thread" = "$$" ]

then

nohup sh $myself start >/dev/null &

sleep 3

echo "The $myself have been started."

else

#取得父线程号

father_thread=`ps -ef | grep -v grep | grep "$myself" | grep "start" | grep "$$" | awk '{ print $3 }'`

#当前线程的父线程存在

if [ `ps -ef | grep -v grep | grep "$myself" | grep "start" | grep "$father_thread" | wc -l` -eq 2 ]

then

run_main_programer

fi

echo "The $myself is running."

fi

;;

xstop)

thread=`ps -ef | grep -v grep | grep "$myself" | grep "start" | awk '{ print $2 }'`

if [ -n "$thread" ]

then

kill -9 ${thread} 2>/dev/null

fi

echo "The $myself have been stoped."

;;

xstatus)

thread=`ps -ef | grep -v grep | grep "$myself" | grep "start" | awk '{ print $2 }'`

if [ -n "$thread" ]

then

echo "The $myself is running."

else

echo "The $myself is not running."

fi

;;

*)

echo '  Error parameter.'

esac