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POWER(4) Device Drivers Manual (landisk) POWER(4)

NAME

powerpower switch

SYNOPSIS

power0 at obio?

DESCRIPTION

Landisk models provide an interrupt when the power switch is flipped to the Off position. 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

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

HISTORY

Support for the power driver first appeared in OpenBSD 4.1.
June 24, 2011 OpenBSD-current