Stuart Hughes wrote:
>
> Ivan Martinez wrote:
> >
> > Hello!
> > I have some real time tasks/threads sharing some variables, so I would
> > like to prevent them from being interrupted by other task when reading
> > or writing them. How can I do that?. Do I get what I want with
> > "rtl_no_iterrupts"?.
> > Thank you!.
>
> Hi Ivan,
>
> I use the following wrappers:
>
> #ifdef CONFIG_RTL
>
> #include <asm/rtl_sync.h>
> #undef cli()
> #undef sti()
> #undef save_flags(x)
> #undef restore_flags(x)
> #define sti()
> #define cli()
> #define save_flags(x) rtl_hard_savef_and_cli(x)
> #define restore_flags(x) rtl_hard_restore_flags(x)
>
> #else
> .....
>
> Then you can just use save_flags(flags) and restore_flags(flags) pairs.
> It works on a uniprocessor, but there may well be a better way.
>
> Regards, Stuart
I can't understand very well what you do with that. Could somebody
explain me a bit about it?. Any simpler way of doing what I want?. Thank
you.
--
Ivan Martinez (Rodriguez)
Bch in Computer Science - MSc student
http://www.student.dtu.dk/~u990873
"Got fabes?"
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