Re: [Firebird-devel] Providers, yvalve, external engines and object lifecycle

[Dmitry Y. <fir...@ya...>]

07.04.2011 16:47, Alex Peshkoff wrote:

> But with smart pointers we must do the following:
>
> Smart<IAttachment>  at = ...
> att->release();        // refCounter == 1
> att->blaBlaBla();
>
> We want to detach - and here problems come. We can't simply call:
>
> att->detach();
>
> because ~Smart() will try to release an already destroyed object,
> causing AV.

True for dumb universal smart pointers. But a smarter one could overload 
not only operator-> but also the detach() method and mark itself as not 
requiring release inside the dtor.


Dmitry