Hi...
Let's see if my eye glasses take it right :D
On Fri, Sep 17, 2010 at 19:54, naveen yadav <yad.naveen@xxxxxxxxx> wrote:
> Hi All,
>
> I am facing some issue while using mmap .
>
> Issue 1.msync(ptr, PageSize, MS_ASYNC) if i pass MS_SYNC it fail with
> bad option.
Hmm, first you did :
fd = open ("/dev/mem", O_RDWR|O_SYNC)
and then you did:
msync(ptr, PageSize, MS_ASYNC)??
Isn't that a contrary?
> Issue 2. If i run the above program on target(ARM). the value is not changing
>
> parent leaving critical section: -369098746
> parent leaving critical section: -369098746
> msync completed successfully
> parent leaving critical section: -369098746
> parent entered critical section -369098746
can you make this clearer? you're running it on x86 and ARM?
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
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