Re: [boost] Re: SmartPtr - Exception safety reprise

From: David Abrahams (dave_at_[hidden])
Date: 2003-02-01 17:19:05

"David B. Held" <dheld_at_[hidden]> writes:

> "David Abrahams" <dave_at_[hidden]> wrote in message
> news:uznpfkfhe.fsf_at_boost-consulting.com...
>> [...]
>>   C) Make sure the first base class of smart_ptr is the one that
>>      manages destruction of its resources:

<snip>

> I was actually thinking in this direction somewhat.  

Then you're getting the hang of this EH stuff; congratulations!

> I did notice that it really is the smart_ptr d'tor that really knows
> how to properly clean stuff up, and it should probably be the one to
> do so.

But coordinating cleanup in the smart_ptr dtor was causing the problem
you cited in the first place!  In my version it's the ptr_manager base
class that coordinates the cleanup by encapsulating ownership and
storage.

-Dave

-- 
                       David Abrahams
   dave_at_[hidden] * http://www.boost-consulting.com
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