NAME

power — power button

SYNOPSIS

power* at ebus?

DESCRIPTION

Some UltraSPARC host bridges provide an interrupt when the power button is depressed. The power driver catches that interrupt. If the hw.allowpowerdown sysctl(8) is set to 1, power will signal init(8) to do a clean shutdown.

SEE ALSO

ebus(4), intro(4), init(8), rc.shutdown(8), sysctl(8)

HISTORY

The power driver was first supported in OpenBSD 4.0.

AUTHORS

The driver was written by Jason Wright <jason@thought.net>.