[PATCH xserver 4/8] Create a threaded mechanism for input [v3]

[Keith Packard]

Mark Kettenis <mark.kettenis at xs4all.nl> writes:

> Ugh.  Exporting global variables as part of the ABI is generally not
> such a good idea.  Perhaps it is better to use functions to acquire
> and release the input mutex instead?

Yeah, the mutex isn't exactly performance critical.

> Also, using TLS (i.e. __thread variables) isn't portable.  That
> mechanism certainly isn't supported by all platforms supported by
> Xorg.

Ok, I've added support for pthread_setspecific/pthread_getspecific and
made sure that works; I cannot test the autoconf bits (other than
verifying that if I misspell '__thread' as '__tread' it fails as
expected).

Here's just the diff from the existing patch; I'll squash this in if it
looks reasonable.

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-- 
-keith
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