[Octave-bug-tracker] [bug #51631] make check fails at __opengl_info__

[Rik]

Follow-up Comment #17, bug #51631 (project octave):

@jwe: It is definitely a race condition.  I had experimented a bit with
removing or reducing the pause() before the refresh in __opengl_info__.m and I
got worse results (more failures) as the delay was reduced.


    hf = figure ("position", [0,0,1,1], "toolbar", "none", "menubar",
"none");
    hax = axes ();
    pause (0.2);  # <-- altered this delay
+    refresh (hf);


The delay didn't have to be large, .01 was enough most of the time.  But it
will vary from machine to machine, etc.

Could the refresh routine (drawnow) be changed so that it doesn't return from
C++ until the updates have taken place?




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