Subj : Re: Is there a deadlock or race condition here?
To   : comp.programming.threads
From : David Schwartz
Date : Thu Apr 14 2005 01:46 pm


"Loic Domaigne" <loic-dev@gmx.net> wrote in message 
news:3c7u23F6m3n1tU1@individual.net...
> Hello,
>
> I'm definitively not an expert in that sort of things,
> but shouldn't the len variable in
>
>> while(len == 0)
>>   produce.wait();
>
> be read atomatically, with possibly a memory barrier before?

    It completely depends on what 'produce.wait()' does. And without knowing 
that, we can't really say if there are deadlocks or race conditions. If it's 
similar to a condition variable wait, then not even an atomic read or memory 
barrier will fix it.

    DS

.