POWER(4) | Device Drivers Manual (sparc64) | POWER(4)

# 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>.

July 16, 2013 | Debian