Subject: Re: Watchdog timer support
To: None <tech-kern@netbsd.org>
From: Jeff Smith <jeffs@geocast.com>
List: tech-kern
Date: 11/16/2000 22:07:08
cgd@sibyte.com writes:
> thorpej@zembu.com (Jason R Thorpe) writes:
> > See the wdogctl(8) manual page for more information.
>
> I've looked briefly at the manual page and the code, and, in at least
> some ways, this interface seems Wrong. What you "Really Want" in my
> opinion is something more like:
>
> * configure kernel to kick hw watchdog every (small amount of
> time). (Fraction of a second, to multiple seconds if not
> running with next feature enabled.)
>
> * optionally configure kernel to expect kick from userland
> every (larger amount of time). (multiple seconds, or
> whatever you'd like.)
This is very similar to what we have implemented in our watchdog
code here at geocast.
jeffs