[Xcb] XCB Errors and Handling

[Jamey Sharp]

On Fri, Jun 09, 2006 at 10:16:36PM -0500, Ori Bernstein wrote:
> Hi.

Hi Ori! Would you subscribe to the list so I don't have to hand-approve
your posts?

> XCBPollForEvent() returns an event with response_type == 0, but with a
> (seemingly) valid sequence number. The error returned in the error argument to
> XCBPollForEvent is 0, so I'm not sure what's going wrong. 

Nothing is wrong. Unlike Xlib, XCB returns both X errors and events from
the event queue. When the response_type is 0, you should cast the
XCBGenericEvent* to an XCBGenericError* and pass that to your error
handler.

--Jamey
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