[PATCH xserver 10/20] kdrive/ephyr: Use NotifyFd for XCB connection input [v2]

[Keith Packard]

Uli Schlachter <psychon at znc.in> writes:

> If "something" uses xcb (even just sending a request is enough, doesn't have to
> be waiting for a reply), xcb could read an event from its FD and append it to
> its internal queue. At this point there is a pending event in the queue, but the
> socket isn't marked readable. With this change, the event won't be removed from
> the queue.

So, if we check for events before going to sleep (in the block handler),
that should be sufficient to catch this I think?

-- 
-keith
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