freebsd-nq/etc/rc.d/root
Mike Makonnen 3d03791bb4 o Implement the stop_boot subroutine [1]. This subroutine can be used by
scripts in rc.d to stop rc(8) from booting into multi-user mode when
  a critical or severe error condition is encountered.

o Modify scripts in etc/rc.d that already implemented this functionality
  independently.

o Document it.

[1] - This subroutine was implemented in FreeBSD in rc.d/fsck. I moved it
      to rc.subr(8). Our version differs slightly in that it takes an
      optional argument to stop the boot even if "autoboot" is not set.

Obtained from: NetBSD
MFC after: 2 weeks
2007-05-18 12:04:41 +00:00

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#!/bin/sh
#
# $NetBSD: root,v 1.2 2000/05/13 08:45:09 lukem Exp $
# $FreeBSD$
#
# PROVIDE: root
# REQUIRE: fsck
# KEYWORD: nojail
. /etc/rc.subr
name="root"
start_cmd="root_start"
stop_cmd=":"
root_start()
{
# root normally must be read/write, but if this is a BOOTP NFS
# diskless boot it does not have to be.
#
case ${root_rw_mount} in
[Nn][Oo] | '')
;;
*)
if ! mount -uw /; then
echo 'Mounting root filesystem rw failed, startup aborted'
stop_boot true
fi
;;
esac
umount -a >/dev/null 2>&1
# If we booted a special kernel remove the record
# so we will boot the default kernel next time.
if [ -x /sbin/nextboot ]; then
/sbin/nextboot -D
fi
}
load_rc_config $name
run_rc_command "$1"