Re: [Gtk-osx-users] Crash when quitting via Dock Icon

[John Ralls <jralls ceridwen us>]

On Aug 27, 2010, at 11:58 AM, Phillip Heller wrote:

> 
> On Aug 25, 2010, at 9:05 PM, John Ralls wrote:
> 
>> 
>> I don't see any instances of libigemacintegration.dylib in that stack trace...
>> 
>> "Bus Error" on OSX is the same as "SegFault" in Linux. You're dereferencing a pointer that has a bogus value (0x20). You'll have to fire up GDB to find out what pointer and how it's gotten the bad value.
> 
> John,
> 
>  Thanks for the suggestion.  Alas, I'm not terribly skilled with gdb, and really am not even sure where to start.
> 
> However, I figured I'd try a different approach to debugging.  Instead, I've written a very simple demo to identify a couple issues:
> 
> Please find the demo code here:
> 
> 1) When in the NSApplicationBlockTermination handler, I notice that "another" Command-Q will cause the application to immediately end.  So, I have tried attaching a new handler to the signal within the original handler (this new handler is just a True value, such that the application doesn't end).  However this still doesn't solve the problem.  Any suggestions?
> 
> 2) As to the crash, this demo does reveal something.  When I quit by destroying the window with the red pill, cmd-q and ok, or appmenu -> quit, there is no problem.  When I quit by clicking the dock icon-> quit, it does exit, but not without returning the following console message:
> 
> 2010-08-27 14:57:48.454 python[2502:903] *** attempt to pop an unknown autorelease pool (0x200ea00)
> 
> I appreciate all of your help and hard work on gtk-osx!

Phil,

Um, find the demo code *where*?

Regards,
John Ralls