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# ``twisted`.`internet`.`posixbase`.`_PollLikeMixin``

class documentation

`class _PollLikeMixin: (source)`

Known subclasses: `twisted.internet._glibbase.GlibReactorBase`, `twisted.internet.epollreactor.EPollReactor`, `twisted.internet.pollreactor.PollReactor`, `twisted.internet.posixbase._ContinuousPolling`

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Mixin for poll-like reactors.

Subclasses must define the following attributes:

      - _POLL_DISCONNECTED - Bitmask for events indicating a connection was
        lost.
      - _POLL_IN - Bitmask for events indicating there is input to read.
      - _POLL_OUT - Bitmask for events indicating output can be written.

Must be mixed in to a subclass of PosixReactorBase (for _disconnectSelectable).

Method | `_doReadOrWrite` | fd is available for read or write, do the work and raise errors if necessary.

def _doReadOrWrite(self, selectable, fd, event): (source)

fd is available for read or write, do the work and raise errors if necessary.