bug#59794: 29.0.60; NSport segfaults when a fullscreen frame is being closed)

[Kai Ma]

> On Dec 4, 2022, at 20:21, Eli Zaretskii <eliz@gnu.org> wrote:
>> Thanks.  I'm fine with installing this on the release branch, but the
>> comment should be modified to say:
>> 
>>  [resetCursorRects:] can be called from the event loop after the frame
>>  is deleted.  When this happens, emacsframe is NULL.  This means there
>>  is an underlying leak of the EmacsView object!
>> 
>> also, perhaps it should be omitted on master, at least until before
>> Emacs 30 is released, to motivate other (hopefully more knowledgeable)
>> people to provide the necessary information to fix it.
> 
> Will do, thanks.


I took a few liberties here.  Attached is the revised patch.

0001-Prevent-a-segfault-when-deleting-a-fullscreen-frame-.patch
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