Re: [boost] [review] Boost.Guid

From: Andy (atompkins_at_[hidden])
Date: 2007-05-07 11:40:10

Matthias Troyer <troyer_at_[hidden]> wrote in
news:F45D2822-2671-4B1B-B930-3A56E9CEF1C5_at_[hidden]: 

> 
> On 6 May 2007, at 14:37, Peter Dimov wrote:
> 
>> Matthias Troyer wrote:
>>> On 5 May 2007, at 06:16, Peter Dimov wrote:
>>>> * I agree that the time(0) seed is unacceptable. A good source of
>>>> entropy
>>>> probably deserves its own library. It's also not easy to make it
>>>> header-only. One compromise could be for the create function to
>>>> take an
>>>> Engine argument, but this takes away the simplicity.
>>>
>>> How about just adding an additional create function that takes an
>>> engine?
>>
>> The existing create function is dangerous as it doesn't generate  
>> reasonably
>> unique identifiers. We can't fix that by adding more overloads.
> 
> I fully agree that it is very dangerous, especially on parallel  
> machines. However, in addition to fixing this, it would be good to  
> have the engine be customizable.
> 

Does the solution I presented here:
http://article.gmane.org/gmane.comp.lib.boost.devel/158740
solve the problem?  For parallel machines?

> Matthias
>   
> _______________________________________________
> Unsubscribe & other changes:
> http://lists.boost.org/mailman/listinfo.cgi/boost 
> 

Andy.