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Re: Reader/writer semaphores
Hi All,
debein,
I believe what you said. It was a misleading statement.
Did someone have a last chance top review my understanding and post
back the clarifications. this would very usefull for my future
understanding about the kernel.
Please let me know am I on the right track, if not please let me know
where am I missing.
Regards,
Mukund
On 4/5/08, debian developer <debiandev@xxxxxxxxx> wrote:
> On Wed, Apr 2, 2008 at 11:52 PM, bhanu nani <bhanu.lnxnew@xxxxxxxxx> wrote:
> > Hi Fabio,
> >
> > My understanding: Semaphore are the tools to protect a region of code
> > by bloking access to other threads access while the first thead is
>
> An important point to note here is that you are not protecting the
> code, its the data structure
> or variable you are protecting.
>
> > global x;
> > up
> > /* critical section - any thing*/
> > *fpos+=count;
> > mystruct->size = *fpos;
> > mystruct->xxx = *fpos+ count;
> > down
> >
>
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