Re: [rtl] Scheduling a usermode process

[yodaiken@fsmlabs.com]

On Fri, Nov 05, 1999 at 12:07:20AM +0100, Tomasz Motylewski wrote:
> On Thu, 4 Nov 1999 yodaiken@fsmlabs.com wrote:
> > > an interrupt handler so my user space process can do some stuff after the 
> > > interrupt has occured.
> > > 
> > 
> 
> > The simplest method is to use a soft interrupt handler and write a linux
> > interrupt handler that
> >  changes priority
> > and wakes up the linux task.
> > Enough people want to do this that we should probably have a generic utility ( hint).
> 
> Hey ! Does that mean that when RT interrupt handler writes to RT-FIFO, the
> user application doing blocking read will not be awoken immediately? (I mean

The RT_FIFO uses exactly this sort of soft interrupt to wake up the user
task. It does not, however, do anything about the priority of the
waiting process, it just wakes the process.

> And by the way, what has happened to my request to export SFREQ variable and
> to my "trigger linux interrupt" patch? 

Please resend. SFREQ does not exist in 2.0.

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