Re: [boost] Boost.Threads, N2178, N2184, et al

From: Johan Nilsson (r.johan.nilsson_at_[hidden])
Date: 2007-03-26 03:37:32

Peter Dimov wrote:
> Howard Hinnant wrote:
>
>> N2184 takes the minimalist approach.  It is easier to add
>> functionality (and the associated expense) than to subtract it. There are 
>> many things the N2184::thread does not directly support.  I
>> believe this is a feature, not a bug.
>
> This is true under the assumption that we need to target the least
> common denominator. Try/timed joins for example come for free on
> Windows. So you are imposing an unnecessary mutex+cv overhead for everyone 
> wanting to
> use try/timed joins there.
>
> I've decided to adopt a different approach and suggest a way to
> equalize ('harmonise' in EU terms :-) ) the platforms via the join2
> extensions. In a perfect world, this would lead to everyone enjoying
> _zero overhead_ try/timed joins in a few years once pthread implementors 
> adopt the
> extensions.

That would be good, even if thread joining probably (hopefully) isn't where 
applications spend most of their time.

/ Johan