Lines Matching refs:_pipe
332 self._pipe = pipe
341 self._pipe = None
359 if self._pipe is None:
365 if self._pipe is not None and selector is not None:
373 elif self._pipe is not None:
421 if self._pipe is not None:
424 self._pipe.close()
449 self._pipe.close()
450 self._pipe = None
461 self._pipe = pipe
473 self._pipe = None
497 if self._pipe is None:
503 if self._pipe is not None and selector is not None:
514 elif self._pipe is not None:
597 assert self._pipe
613 if self._pipe is not None and not self._closing:
622 if self._pipe is not None:
625 self._pipe.close()
656 self._pipe.close()
657 self._pipe = None