orderly_poweroff(9) centos man page | unix.com

ORDERLY_POWEROFF(9)						   Driver Basics					       ORDERLY_POWEROFF(9)

NAME
       orderly_poweroff - Trigger an orderly system poweroff

SYNOPSIS
       int orderly_poweroff(bool force);

ARGUMENTS
       force
	   force poweroff if command execution fails

DESCRIPTION
       This may be called from any context to trigger a system shutdown. If the orderly shutdown fails, it will force an immediate shutdown.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       ORDERLY_POWEROFF(9)