Lines Matching refs:_pipe
430 self._pipe = pipe
439 self._pipe = None
457 if self._pipe is None:
463 if self._pipe is not None and selector is not None:
470 elif self._pipe is not None:
514 if self._pipe is not None:
517 self._pipe.close()
542 self._pipe.close()
543 self._pipe = None
554 self._pipe = pipe
566 self._pipe = None
590 if self._pipe is None:
596 if self._pipe is not None and selector is not None:
606 elif self._pipe is not None:
689 assert self._pipe
705 if self._pipe is not None and not self._closing:
710 if self._pipe is not None:
713 self._pipe.close()
744 self._pipe.close()
745 self._pipe = None