Roland Lang wrote:
>
> Hi.
>
> I have setup a ISR on the 8254 Timer Hardware Interrupt 0.
> I am not using the scheduler. I need to program a detection
> mechanism whether the ISR is again called before the last one has
> terminated. I need to do this because of a compatibility to
> another system. But it seems the HW Interrupts are turned off
> while the ISR is running so that this detection doesn't work.
>
> My Question: How can I generate a reentrant ISR using RTL2.2?
try enabling IRQ 0 immediatly, i.e. just at the beginning of your
handler. Remember to pend an IRQ to Linux at 100 hz.
Ciao, Paolo.
-- [rtl] ---
To unsubscribe:
echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR
echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED]
---
For more information on Real-Time Linux see:
http://www.rtlinux.org/rtlinux/
