Re: bzr commit into mysql-5.0-bugteam branch (alfranio.correia:2704) Bug#31665 Bug#35542 Bug#40337

[He Zhenxing]

alfranio correia wrote:

[snip]

> alfranio correia wrote: 
> >>>>         
> >>> Do we really need this?
> >>> I think we can survive without the atomicity in this case.
> >>>
> >>>     
> >>>       
> >> these variables can be changed by user at runtime by using SET command,
> >> so it is possible that two threads are reading and writing the value of
> >> the variable at the same time.
> >>
> >> [snip]
> >>   
> >>     
> > My point is that we don't need any mutex, atomic variables, etc, etc.
> > You are not updating a structure that will be corrupted due to a race
> > condition.
> > Anyway, I will keep the integer value.
> >
> >   
> Jasonh, forget this last comment... you are completely right.
> ;)
> 

Then please forget my previous comment too :-)