Re: [boost] [shifted_ptr] Review Request

Subject: Re: [boost] [shifted_ptr] Review Request
From: Phil Bouchard (philippe_at_[hidden])
Date: 2011-04-06 18:35:21

On 4/6/2011 1:53 PM, Phil Bouchard wrote:
> On 4/6/2011 1:22 PM, Thomas Klimpel wrote:
>>
>> If the parent is still able to do something (like incrementing a times
>> in the child widget), then obviously references to the parent still
>> exist. For Mark& Sweep, you are in a context where even every implicit
>> reference is known to the garbage collector. It's clear that you can't
>> strictly guarantee this for a C/C++ program. But in this case, the
>> problem would be that an implicit reference went unnoticed by the
>> Mark& Sweep garbage collector, not that it wiped an unreferenced node.
>
> The timer was a bad example, forget about it. But in the case of the
> Mark & Sweep algorithm, a call to the parent window destructor will
> still be premature if the modal child dialog box still exists.

I think I made a mistake because Shifted Pointer will act like the Mark 
& Sweep and delete the unreferenced parent node.  Sorry about the 
confusion, I'll make the modification to the presentation.

-Phil