[Octave-bug-tracker] [bug #53513] graphics.cc-tst FAIL

[Pantxo Diribarne]

Follow-up Comment #13, bug #53513 (project octave):

I think I identified the issue. Before the following cset, the test used to
pass 

http://hg.savannah.gnu.org/hgweb/octave/rev/b6aea95a7bf9

The problem is that we rely on ref counting for graphics_object deletion (and
further cleanup). Before the above cset, the toolkit Object, which lives in
the GUI thread, did not have a reference to its grapĥics_object counterpart
and gh_manager::free took care of deleting the last reference to the
graphics_object. Now the asynchronous nature of the
"graphics_toolkit::finalize" method makes the object eventually be deleted
*after* "delete" has returned, hence the cleanup (remove the uicontextmenu
from its dependent objects) not being already done when delete returns.

I don't have a solution at the moment but we now have an interpretation.

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