On Tue, Feb 25, 2003 at 09:25:12PM -0500, Bill Squier wrote:
  | On Tue, Feb 25, 2003 at 06:23:56PM -0800, Jason R Thorpe wrote:
  | > On Tue, Feb 25, 2003 at 09:17:24PM -0500, Bill Squier wrote:
  | > 
  | >  > Should it kqueue on /etc/resolv.conf and reload if changes?  Probably.
  | > 
  | > Why kqueue it?  Just stat it before you do a DNS lookup.
  | 
  | Yeah, or that.  It all seems a bit expensive.

There's already a stat each lookup against nsswitch.conf, and noones
complained about that :)

As Jason says, a stat (which is probably against a cached file) is
negligable compared to a lookup from a name service.