Is there any way for user space program to get IRQ from kernel space?

Alex Zeffertt ajz at cambridgebroadband.com
Tue Feb 3 00:56:42 EST 2004


> Hi,
> I am sure that user space program can't install ISR or get IRQ from
> hardware directly. I'd like to know there is any way a user space
> program to get waked up by a specific hardware IRQ.
>

Create a character device which implements the poll() method,, and use
select() in userspace.

Alex


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