[Xcb] 0 sequence number for request errors?

[Vincent Torri]

Maybe using a global variable, that stores that kind of error. Maybe it
also can be used for others errors too.

Vincent


On Sat, 17 Dec 2005, Barton C Massey wrote:

> One of the biggest holes in current XCB API is that there's
> no way to find out that a request failed to be sent---in
> particular, a request that doesn't require a reply.
>
> One hack to get this behavior would be to "reserve" the
> sequence number 0 for an error return.  IOW, a request that
> returned a sequence number of 0 has failed.  This would
> require skipping sequence number 0 by issuing a noop inside
> XCB at this point.
>
> Obviously, this isn't the prettiest solution.  But it could
> work, and would solve a real problem.  Comments?  Alternate
> suggestions?
>
>     Bart
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