> > > 2. How can I find out which interrupt triggered the handler function ?
> >
> > Very good question ! I was searching once and I was not able to find an
> > answer.
>
> Define a capture function for each irq
>
> catch_irq_10( ...){ common_irq(10); ...}
Why this would be necessary?
Three lines below you wrote, that isr routine CAN identify
the irq number. (And so use I it for a year.)
Regards
Gabor
>
> Or, in V3 RTLinux us the sigaction call to install a handler and the
> first argument is the irq#, or, in earlier versions of RTLinux
> use rtl_request_irq and the first argument is the irq#, or you can
> can extract the signal number from the pt_regs argument -- in x86 it is in
> the eax field.
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