Nick Briggs ef6a6554ac Remove SIGPOLL usage (#385) ...

* Remove unnecessary calls to XLOCK/XUNLOCK

The X methods called by flush_display_region() and flush_display_lineregion() handle the
locking/unlocking, therefore it is unnecessary to invoke the locking here.

* Remove explict signals when doing XUNLOCK()

Call getXsignaldata() directly if a signal happened while X code
was locked, instead of generating a signal and then handling it.

Some macros and functions needed to pass the DspInterface instead of
extracting the X display and window and passing those so that the
correct structure was available for the XUNLOCK() call.

2021-06-27 19:02:02 -07:00

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