message: Fix warning (sock file will be removed by socket destructor)
diff: @@ -26,7 +26,6 @@ $pm->parentFunc = function ($pid) use ($pm) {
  $client->send("SUCCESS");
  echo $client->recv();
  $client->close();
  - unlink(__DIR__ . '/client.sock');
  });
  @unlink(UNIXSOCK_PATH);
  $pm->kill();
  