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Pavel Cahyna wrote:
> On Wed, Jan 04, 2006 at 08:26:20AM -0800, Jeff Rizzo wrote:
>  =20
>> I'm helping someone to port carp(4) from OpenBSD
>> (comments/flames/whatever on the desirability of THAT in another threa=
d,
>> please :), and we've come across some instances where we need to add
>> hooks to certain events (interface up, address change, etc).  OpenBSD
>> has a dohooks(9) API that is used to implement various hook-needing
>> functions (their doshutdownhooks() is implemented on top of it, for
>>    =20
>
> This has been discussed, see
> http://mail-index.netbsd.org/tech-net/2004/09/19/0012.html and the whol=
e
> thread.
>
> See also pfil_add_hook(9). couldn't it do what you need?
>
> Pavel Cahyna
>  =20

Thanks for the pointer to the email thread - I'll follow up to tech-net,
then, since nothing appears to have come of that discussion.  :/

I don't think I need per-packet hooks in this case (though I haven't dug
too deep, yet), so at first blush, pfil_add_hook() looks wrong.

Thanks!
+j



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