problem with multithreaded application and Xlib

[Peter Harris]

On 2010-09-28 11:19, Francesco Abbate wrote:
> What happens is that the secondary thread blocks during the XSync
> operation until the main thread receive some events.

Sounds a lot like
http://cgit.freedesktop.org/xcb/libxcb/commit/?id=2040f10a4efa95092bc9409c5b20347989b5f0a2

Can you try that patch to libxcb and see if it helps?

Peter Harris
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