message: enable send_yield
diff: @@ -2121,10 +2121,7 @@ static PHP_METHOD(swoole_server, set)
  if (php_swoole_array_get_value(vht, "enable_coroutine", v))
  {
  serv->enable_coroutine = SwooleG.enable_coroutine = zval_is_true(v);
  - /**
  - * GitHub Issue#2555
  - */
  - serv->reload_async = serv->enable_coroutine;
  + serv->send_yield = serv->reload_async = serv->enable_coroutine;
  }
  if (php_swoole_array_get_value(vht, "max_coro_num", v) || php_swoole_array_get_value(vht, "max_coroutine", v))
  {
  