On 17-05-2011 19:58, Vlad Khorsun wrote:
>> PS: There is a paper 
>> (http://www.aristeia.com/Papers/DDJ_Jul_Aug_2004_revised.pdf) from Scott 
>> Meyers and Andrei Alexandrescu showing even or volatile usage in base 
>> classes are wrong. Unfortunately it's down.
> 
>     With MSVC we are safe as we use "volatile" and compiler used read\write 
> memory 
> barriers (or acquire\release semantics) for access to volatile variables :
> 
>     http://msdn.microsoft.com/en-us/library/ms686355.aspx
> 
>     Can't said for other compilers (GCC at the first place).
> 
Most usage of volatile to implement double-check locking pattern is in
platform neutral code, hence wrong.


Adriano

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