On Mon, Apr 10, 2000 at 04:49:07PM +0200, Alain Rolle wrote:
> Hi again,
>
> I am implementing a RT protocol stack that consists of several kernel
> modules. One of these modules is in fact the interface to the application
> layer. An application is for example an other kernel module. (No task,
> just a module that communicates with Linux trough the FIFO device)(RTL
> 2.2)
> Now comes the trouble : If this application module calls a certain
> function from the interface module, this function should be able to
> suspend the exection of the calling module. At some further moment in
> time, the execution of the application module should be continued, and
> this as a consequence of an event that occurred somewhere in the protocol
> layer.
>
> I know this sounds complicated, but it is possible in e.g. the RTEMS RTOS.
> Further more, I know that an IPC like module exists, but I understand that
> this only applies to e.g. two RT tasks defined in one module that should
> synchronise.
> Is there a possibility of invoking software interrupts in RTLinux ?
>
> I know these are a lot of questions and I appreciate it already when you
> kept on reading up to this point.
Can you clarify the problem a little bit? If the modules don't create
RTLinux threads, then do you have interrupt handlers? Fifo handlers?
It's quite easy to produce software interrupts in RTLinux, but I'd like
to get a better idea of your program before offering advice.
>
>
> Thanks in advance,
>
> Alain Rolle
>
>
>
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