message: Kill process by port.
diff: @@ -2201,6 +2201,13 @@ COMMAND $cmd
  $diff = "# original source file: $shortname\n" . $diff;
  }
  show_file_block('diff', $diff);
  +
  + // swoole patch: clear port
  + if (preg_match('/bind\([^:]+?:(?<port>\d+?)\)/', $diff, $matches)) {
  + $port = $matches['port'];
  + @`lsof -i:{$port} | grep LISTEN | awk '{print $2}' | xargs kill -9`;
  + }
  +
  if (strpos($log_format, 'D') !== false && file_put_contents($diff_filename, $diff, FILE_BINARY) === false) {
  error("Cannot create test diff - $diff_filename");
  }
  