Re: [boost] [Circular Buffer] Partial thread-safety

Subject: Re: [boost] [Circular Buffer] Partial thread-safety
From: Dmitry Goncharov (dgoncharov_at_[hidden])
Date: 2008-11-26 07:46:33

Lasse Kärkkäinen wrote:
>> Where is the magic? Can you point to some documentation or how to use 
>> it?
>
> It seems to make the assumption that volatile variable reads and 
> writes are atomic. This, among with careful organization of those 
> operations, allows safe concurrent access.
>
This sort of assumption looks wrong. volatile should only instruct the 
compiler not to optimize the variable (e.g. in a register).

BR, Dmitry