[LAD] a *simple* ring buffer, comments pls?

[Fons Adriaensen]

On Fri, Jul 08, 2011 at 01:12:08PM -0500, Gabriel M. Beddingfield wrote:

> There's a remote possibility that the compiler could 
> optimize this as:
> 
>   rb->read_ptr += n;
>   rb->read_ptr &= rb->size_mask;
> 
> ...and this would break the ringbuffer.  I don't know if the 
> `volatile` keyword prevents this or not.

It certainly does.

Ciao,

-- 
FA