Re: [ros-dev] Mayday ... Critical Section problems

[James Tabor]

Rick Parrish wrote:
>   Alex Ionescu wrote:
>  
> >  Rick Parrish wrote:
> >   
> >
> > >  Try this ... add a call to Sleep(0) just before
> > > attempting to acquire 
> > > the lock. That *may* produce better average performance.
> > >      
> > You should never use Sleep(0), that's a horrible suggestion.
> >
> > Use Sleep(1) and/or, SwitchToThread(), and/or YieldProcessor() and /or
> > __mm_pause ("pause").
> >    
>  
>  Thanks Alex. I'll have to check these out.
>  
>  Oh, and Timo's suggestion is very retro (but very valid) if you remember 
>  VAX-11 architecture.
>  
>  http://h71000.www7.hp.com/DOC/73final/4515/4515pro_023.html
>  
>  (wandering off topic)
>  
>  -rick 
Yes, it's old school,,, sleep 0 just allows another process (thread) to
run and
put the one you are running back on top of the "ready to run list". With M$
coding
it's all different now.
Thanks,
James