Re: [probably OT] how to switch between wired and wireless

[John Haxby <jch@xxxxxxxxxxxxxxxxxx>]

Matthew Saltzman wrote:

> > It would be nice if the resolver library would stat() /etc/resolv.conf
> > periodically (no more than once per minute) to see if there has been a
> > change.
> >    
>
> Oh, no, On a laptop, wouldn't that mean you'd never get to spin the disk
> down?  (Like the wireless monitor bug that keeps re-reading the image
> files every few seconds.)  It would be nice if there were some other way
> to tell that the resolver needed to reload.
>  
No, a file that's not written but read a lot will just sit in the buffer 
cache.   You won't see ths disk touch at all.    That's what memory is 
for :-)

>