[ pyopengl-Bugs-1594244 ] win32: hang after main window close

Bugs item #1594244, was opened at 2006-11-10 16:58
Message generated for change (Comment added) made by dmurmann
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Category: GLUT
Group: v3.0.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: David Murmann (dmurmann)
Assigned to: Nobody/Anonymous (nobody)
Summary: win32: hang after main window close

Initial Comment:
After the main GLUT window is closed the process stays
alive.

This is actually documented behavior (in the top
comment in OpenGL/GLUT/special.py), but it differs from
PyOpenGL 2, therefore I think it should be fixed.



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>Comment By: David Murmann (dmurmann)
Date: 2006-11-13 04:03

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Yeah, this works, i tried a very similar fix (although i did
it in my app), but it seems very much like a hack.

It seems the question is not how 2.x fixed it (apparently it
didn't address this altogether), but what does 3.x wrong to
stall the process. A normal GLUT program doesn't need to do
this, so why should a python wrapper need this check? Looks
to me like somewhere something should be cleaned up, or
weakref'd or something similar to allow the process to die,
but i couldn't find anything yet...


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Comment By: Mike C. Fletcher (mcfletch)
Date: 2006-11-12 23:48

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Weird thing is that I can't see *how* PyOpenGL 2.x fixed it
when I spelunk through the code.  It seems to have "just
worked".  I've added code to "fix" it, basically I start a
.5s timer in glutMainLoop() that checks for a NULL context
and kills the process if it's discovered.

Anyway, give it a try with latest CVS and let me know if
it's suitable for you (or if you have a better approach in
mind).

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