[Xcb] [PATCH libxcb] expose 64-bit sequence numbers for XLib

[Josh Triplett]

On Sun, Mar 22, 2015 at 02:57:23PM +0100, Uli Schlachter wrote:
> As I see it, your patch to libX11 only uses the two *_for_reply() functions. For
> xcb_send_request64(): I guess you just wanted this function for completeness,
> but I'm not really sure about any use case. Since it's not implemented, I bet
> that the implementation also isn't tested.
> Same for xcb_discard_reply64(), but this function is quite useless: It requires
> a 64 bit sequence number, but there is no (implemented) way to get one from
> libxcb that can be used with this function. Its API docs explicitely forbid
> socket handoff.

xcb_send_request64 returns a 64-bit sequence number, so that's one way
to obtain such a sequence number.

I agree that these functions need testing.

- Josh Triplett