Shell實(shí)現(xiàn)判斷進(jìn)程是否存在并重新啟動(dòng)腳本分享

#! /bin/bash
# author caoxin
# time 2012-10-10 
# program : 判斷進(jìn)行是否存在，并重新啟動(dòng)


function check(){
  count=`ps -ef |grep $1 |grep -v "grep" |wc -l`
  #echo $count
  if [ 0 == $count ];then
    nohup python /runscript/working/$1 
  fi
}

check behaviors.py

#!/bin/bash
#

#調(diào)用關(guān)閉jboss進(jìn)程腳本
stopMethodServer.sh

#打印出當(dāng)前的jboss進(jìn)程：grep jboss查詢(xún)的jboss進(jìn)程，grep -v "grep" 去掉grep進(jìn)程
jmsThread=`ps -ef | grep gdms | grep jboss | grep -v "grep"`
echo $jmsThread

#查詢(xún)jboss進(jìn)程個(gè)數(shù)：wc -l 返回行數(shù)
count=`ps -ef | grep gdms | grep jboss | grep -v "grep" | wc -l`
echo $count

sec=7
#開(kāi)始一個(gè)循環(huán)，以判斷進(jìn)程是否關(guān)閉

for var in 1 2
do
 if [ $count -gt 0 ]; then
  #若進(jìn)程還未關(guān)閉，則腳本sleep幾秒
  echo sleep $sec second the $var time, the JMS thread is still alive
  sleep $sec
 else
  #若進(jìn)程已經(jīng)關(guān)閉，則跳出循環(huán)
  echo "break"
  break
 fi
done

#if [ $count -eq 0 ]; then
# echo "nohup startMethodServer.sh "
# nohup startMethodServer.sh 
#else
# echo "It's better to check the thread!!!"
#fi

#調(diào)用啟動(dòng)腳本
nohup startMethodServer.sh