docs: final void startReaping(Poller poller)
      {
          //  Plug the socket to the reaper thread.
          this.poller = poller;
          SelectableChannel fd = mailbox.getFd();
          handle = this.poller.addHandle(fd, this);
          this.poller.setPollIn(handle);
  
          //  Initialize the termination and check whether it can be deallocated
          //  immediately.
          terminate();
          checkDestroy();
      }