#!/bin/sh # 递归找到导致进程僵死的最底层子进程并杀除. ParentProcessID=$1; if [ "x${ParentProcessID}" = "x" ] ; then     echo "Please Supply the top Parent Process ID to be killed!"     echo "Usage:sh $0 PID [-v]"     echo "PID The Parent Process ID as root"     echo "-v is this argument supplied,no real kill operation will be performed,only process tree be show."     exit 1 fi let IsRealKillDo=1; if [ "x$2" = "x-v" ] ; then     let IsRealKillDo=0; fi echo "Begin Kill the Leaf Process of process ${ParentProcessID}" >&2 killpidList="" function loopNextSubProcess(){     local nParentProcessID=$1     local tmpPidList=""     tmpPidList=`ps -A --format='%p%PisParent' --width 2048 -w --sort pid|grep "${nParentProcessID}isParent"|grep -v grep|grep -v "$$" | awk '{ printf $1 }'`     ps --format='%p%P%a' --width 2048 -w -p ${nParentProcessID}|grep -v grep|grep -v "$$" >&2     if [ "x${tmpPidList}" = "x" ] ; then         echo "****Got One Leaf = [${nParentProcessID}]****" >&2         killpidList="${killpidList}\n${nParentProcessID}"         return     fi     for theNextPid in ${tmpPidList} ; do         loopNextSubProcess ${theNextPid}     done } loopNextSubProcess ${ParentProcessID} if [ ${IsRealKillDo} -eq 1 -a "x${killpidList}" != "x" ] ; then     for curpid in `echo -e ${killpidList}` ; do         if [ "x${curpid}" != "x" ] ; then             echo "kill -9 ${curpid}"             kill -9 ${curpid}         fi     done else     echo -e ${killpidList} fi