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Date: Thu, 12 Feb 2009 22:12:55 +0100
From: Paolo Pisati <p.pisati@oltrelinux.com>
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To: Alexej Sokolov <bsd.quest@googlemail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: bus_setup_intr (9)
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Alexej Sokolov wrote:
> from man:
> int
>      bus_setup_intr(device_t dev, struct resource *r, int flags,
>          driver_filter_t filter, driver_intr_t ithread, void *arg,
>          void **cookiep);
>
> The function filter returns value of type driver_filter_t (int).  This
> function will run if interrupt happen.
>
> Question: Which function will get this returned "int value" of filter
> function. Or How/where can I catch it ?
>   
the interrupt handling framework: see 
sys/kern/kern_intr.c::intr_event_handle().

bye,
P.