On Thu, 13 Feb 2003, Monroe Williams wrote:

> on 2/13/03 2:31 PM, Cliff Neighbors at cliff@allegronetworks.com wrote:
>
> > this won't work unless all access to `ipending' also use lwarx/stwcx
> > otherwise you will not detect and avoid the race.
>
> That's what the code does.

I think Cliff's comment was different. I think he was saying make sure
that all writes to this variable use this code. It does not good if one
(or most) writer does this while others don't.

I think reads are fine, since I gather that ipending is an int, so it can
be read atomicly.

Take care,

Bill