On Tue, 8 May 2007 12:41:13 -0700
Bill Stouder-Studenmund <wrstuden@netbsd.org> wrote:

> > My idea is, that with envstat you'll be able to set the high/low
> > critical value in a sensor and then if the current value in the driver
> > has exceeded it, a PSWITCH_EVENT_CRITICAL event will be sent to powerd.
> 
> So what does the polling?

I'm using a callout in sysmon_envsys.c to periodically check for the
critical event, the timeout should be configurable and will be set by
envstat.

I added a PSWITCH_EVENT_ENORMAL event for when the sensor state has
changed to a normal state again.

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