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XTS test Xlib17/XRebindKeysym hangs

With recent (and current Xlib) which as thread support enabled from the constructor, XTS Xlib17/XRebindKeysym hangs.

$ TET_RESFILE=/tmp/XCopyColormapAndFree.log /usr/libexec/xts5/Xlib17/XRebindKeysym

Build libX11 (and all other dependent libraries) with XTHREADS_WARN=1 gives the root cause of the problem:

Xlib ERROR: XKBGetMap.c line 575 thread 1fc6e580: locking display already locked at KeyBind.c line 937

Basically, we have a deadlock because XRebindKeysym() calls XkbGetUpdatedMap() (indirectly) from within the display lock, the latter also acquiring the display lock.



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