flock
{ flock -n 3 [ $? -eq 1 ] && echo "anoter prossess is running" && exit 1 sleep 10 echo helloworld11 sleep 3 echo helloworld22
} 3>/root/1.lock
posted on 2021-08-15 19:25 思此狂 阅读(568) 评论(0) 编辑 收藏 举报