C++ and garbage collection

Enrico Weigelt weigelt@metux.de
Sat Feb 5 14:37:00 GMT 2011


* Lawrence Crowl <crowl@google.com> wrote:

> If your problem is leaking memory, and you aren't playing games
> with your pointers, then you can just add in the Boehm collector,
> leaving the deletes in place.  This approach will leave the program
> working pretty much as before, but with less memory.
> 
> If your problem is using objects after you have freed them, then you
> have a much harder problem. 

I simply want to get rid of the whole deallocation issue at all
(never having to care about this anymore, making the code smaller
and so easier to maintain).

> Many C++ programs do real work in the destructors (like closing
> files) and removing the delete operations would disable that code.

As said in my prev. mail: these are only few cases where this 
matters (files on external storages which are mounted/unmounted
by the application) - these are only few, well known places,
which I easily could refactor.

> One viable approach is to modify the uses of pointers into shared_ptr
> (from TR1 or boost) and then add the Boehm collector.  This process
> takes work, because changing all pointers won't work and changing
> none won't buy you anything.

Guess this would take a lot of work and add more dependencies
(than just the relatively small boehm-gc lib) ...


cu
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