Method sentinel

Lib/multiprocessing/process.py:255–264

Return a file descriptor (Unix) or handle (Windows) suitable for waiting for process termination.

(self)

    @property
    def sentinel(self):
        '''
        Return a file descriptor (Unix) or handle (Windows) suitable for
        waiting for process termination.
        '''
        self._check_closed()
        try:
            return self._sentinel
        except AttributeError:
            raise ValueError("process not started") from None

    def __repr__(self):
        exitcode = None