[Xcb] xcb_event_loop renaming

[Barton C Massey]

In message <Pine.LNX.4.64.0801091456160.4480 at grozny.maths.univ-evry.fr> you wrote:
> about xcb_event_loop, it would be good to have a loop that is non blocking
> 
> what about:
> 
> 1) renaming xcb_event_loop to xcb_wait_for_event_loop
> 2) adding xcb_poll_for_event_loop

[/me examines util/aux/events.c] Works for me.

I think all this callback-based stuff should just be ripped
out, though, so I'm the wrong guy to ask :-).  This kind of
problem is exactly why we made XCB thread-transparent.

    Bart