message: notice free.
diff: @@ -45,7 +45,7 @@ $pm->parentFunc = function ($pid) use ($pm)
  $pm->kill();
  };
  -$pm->childFunc = function () use ($pm, $port)
  +$pm->childFunc = function () use ($pm)
  {
  $ss = [
  'daemonize' => 0,
  