[RFC] xkb: processInputProc wrapping and FreezeThaw
thjaeger at gmail.com
Thu Mar 27 21:55:40 PDT 2008
If FreezeThaw is called inside a UNWRAP_PROCESS_INPUT_PROC /
COND_WRAP_PROCESS_INPUT_PROC pair, the X server might be left in a
broken state. This problem was addressed in commit
50e80c39870adfdc84fdbc00dddf1362117ad443 , but the workaround doesn't
cover all possible cases. There is a bug that is fairly easy to
reproduce [2,3] where the server will autorepeat a key forever if it is
released under load and compiz is running.
The attached patch tries to offer a complete solution to the problem,
implemented as follows. The UNWRAP/COND_WRAP macros set both
realInputProc and processInputProc, unless "regular" input processing is
suspended currently suspended (this is the case if processInputProc !=
realInputProc), in which case only realInputProc is updated.
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