POWER(4) - Device Drivers Manual (sparc64) #
POWER(4) - Device Drivers Manual (sparc64)
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>.
OpenBSD 7.5 - July 16, 2013