Subject: Re: re-reading /etc/resolv.conf on change
To: Simon J. Gerraty <firstname.lastname@example.org>
From: Perry E. Metzger <email@example.com>
Date: 12/30/2003 09:47:38
firstname.lastname@example.org (Simon J. Gerraty) writes:
> Is kqueue the right solution then? How bad would it be to simply
> open resolv.conf and fstat it?
I think that might actually be the right solution.
> You could record the mtime as well as the time you last looked and
> avoid doing so more than once in some window. That would be bog
> simple and probably not too expensive.
> You could also invalidate the handle on certain DNS failures to speed
> things up even with a bigger cycle time for re-checking...
Perry E. Metzger email@example.com