timeLimitRun

timeLimitRun() {
  local cmdId=$RANDOM;
  local timeOut=$1
  local plist=
  shift
  (for i in `seq 0 $timeOut`; do
      sleep 1;
      p=$(ps axf|grep "sh -c : $cmdId;"|grep -v grep);
      read pid nil <<<$p;
      #echo $p;
      [ $i -ge $timeOut -a -n "$pid" ] && {
          echo "{WARN} cmd[$@] timeOut!"
          plist=$(pstree -paA $pid | sed -e 's/^[^,]*,//' -e 's/ .*$//')
          { kill $plist; usleep 100000; kill -9 $plist; } 2>/dev/null
          return 1;
      }
      [ -z "$pid" ] && break;
  done &)

  sh -c ": $cmdId; $*";
}