Hello Allen,
Allen Bierbaum wrote:
> I am trying to run down a memory bug in my application. I think
> OpenSG is somehow getting ahold of a deleted object, but I am not
> sure.
>
> I had added some code to help with this type of issue a year or more
> ago using the OSG_ENABLE_MEMORY_DEBUGGING setting. As I remember,
> this would check that objects are valid as part of commitChanges()
> calls.
that code is still there as well as the cmake option to enable it.
> What I was wondering is does anyone know how we could extend this
> further? Perhaps making dereferencing in all the XxxPtr types check
> that the fc is still valid?
off hand I don't quite see how to do this. To tell if a container is
still valid you need it's id which you can use to query the factory. But
to get the id from a container it has to be alive in the first place
otherwise you are already operating on a dead object...
> If we had that, then I think it would
> stop the application in it's tracks the first time it tries to use an
> fc that is not valid anymore.
>
> Would this work? How could it be implemented? (I currently have a
> _check_is_deleted() method on OSGReflexiveContainer, but I am not sure
> if that is the best place)
what does it do? ;)
Cheers,
Carsten
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