> Kernel space:
> - irq 9 arrives from our device
> - interrupts are disabled
> - our kernel space micro handler is invoked
> - interrupt source is checked
> - if no notification is pending a signal is notificated for user space
> (or a process is marked runnable)
> - optionally our device interrupt generation is disabled
> - handler returns
> - interrupts are enabled
Then why bother ? Write a minimum conventional kernel driver implementing
poll()
Regards
Oliver
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This archive was generated by hypermail 2b29 : Sat Jun 23 2001 - 21:00:35 EST