freebsd-src/etc/rc.d/bgfsck

#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: bgfsck
# REQUIRE: cron devfs syslogd
# KEYWORD: nojail

. /etc/rc.subr

name="background-fsck"
rcvar="background_fsck"
start_cmd="bgfsck_start"
start_precmd="bgfsck_start_precmd"
stop_cmd=":"

bgfsck_start_precmd()
{
	if [ $($ID -u) != 0 ]; then
		err 1 "Must be root."
	fi
}

bgfsck_start()
{
	: ${background_fsck_delay=0}
	if [ -n "${rc_force}" ]; then
		background_fsck_delay=0
	fi
	if [ ${background_fsck_delay} -lt 0 ]; then
		warn "Background file system checks delayed indefinitely"
		return 0
	fi

	bgfsck_msg='Starting background file system checks'
	if [ "${background_fsck_delay}" -gt 0 ]; then
		bgfsck_msg="${bgfsck_msg} in ${background_fsck_delay} seconds"
	fi
	if [ -z "${rc_force}" ]; then
		check_startmsgs && echo "${bgfsck_msg}."
	fi

	(sleep ${background_fsck_delay}; nice -4 fsck -B -p) 2>&1 | \
	    logger -p daemon.notice -t fsck &
}

load_rc_config $name
run_rc_command "$1"