[issue40485] Provide an abstraction for a select-able Event

[Faidon Liambotis]

Faidon Liambotis <paravoid at debian.org> added the comment:

I missed that there is now also an os.eventfd_{write,read}(), so in the above
    os.write(self._event_fd, self._ONE)
can become
    os.eventfd_write(self._event_fd, 1)

and:
    os.read(self._event_fd, 8)
can become:
    os.eventfd_read(self._event_fd)

(the _ONE declaration will then be unnecessary and can be removed)

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40485>
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