[cpp-threads] Re: volatile, memory models, threads

[David Abrahams]

Andrei Alexandrescu <andrei at metalanguage.com> writes:

> Hey Dave,
>
>
> Time hasn't allowed me to keep up with the process of standardizing 
> threads. You may want to forward your question to 
> cpp-threads at decadentplace.org.uk and/or to Hans Boehm at hans.boehm at hp.com.

Done:

> Andrei
>
> David Abrahams wrote:
>> Hi Andrei,
>> N1777 says
>>        "on some multiprocessors, there might not be any applicable
>>         techniques short of heavy solutions such as the insertion of
>>         otherwise inaccessible locks. Thus, there may be types for
>>         which the volatile qualifier either cannot be supported on a
>>         particular target platform, or would entail surprising time
>>         and space overhead."
>> Seems to me that adding volatile might therefore make some types
>> non-POD.  What guidance did your group get from the committee on this
>> issue?

Any information will be much appreciated.

Thanks in advance,

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com