message: Fix kqueue build
diff: @@ -81,6 +81,10 @@ ReactorKqueue::ReactorKqueue(Reactor *reactor, int max_events) : ReactorImpl(rea
  events_ = new struct kevent[max_events];
  }
  +bool ReactorKqueue::ready() {
  + return epfd_ >= 0;
  +}
  +
  ReactorKqueue::~ReactorKqueue() {
  if (epfd_ >= 0) {
  close(epfd_);
  