minix/etc/rc

# /etc/rc - System startup script run by init before going multiuser.

# Are we booting from CD?
bootcd="`/bin/sysenv bootcd`"

exec >/dev/log
exec 2>/dev/log
exec </dev/null

umask 022

# Same settings as in the default /etc/profile. We do not source this file
# as the system administrator may decide to change those values for his users.
RC_TZ=/etc/rc.timezone
PATH=/usr/local/sbin:/usr/pkg/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/pkg/bin:/usr/bin:/bin

# Set TERM to minix if not present.
TERM="${TERM-minix}"

export TERM PATH

# Local variables
ARCH="`sysenv arch`"

usage()
{
    echo >&2 "Usage: $0 [-saf] autoboot|start|stop|down"
    exec intr sh
}

up()
{
    # Function to dynamically start a system service
    opt=""
    prefix=$(expr "$1 " : '\(-\)')
    if [ "$prefix" = "-" ];
    then
         opt=$1
         shift
    fi
    service=$1
    shift

    service $opt up /service/$service "$@"
}

edit()
{
    # Function to dynamically edit system service settings
    opt=""
    prefix=$(expr "$1 " : '\(-\)')
    if [ "$prefix" = "-" ];
    then
         opt=$1
         shift
    fi
    service=$1
    shift

    # Assume binaries are always in /service or /usr/pkg/service
    binlocation=/service/$service
    if [ ! -x $binlocation ]
    then	binlocation=/usr/pkg/service/$service
    fi

    # Mostly to find init...
    if [ ! -x $binlocation ]
    then	binlocation=/sbin/$service
    fi
    service $opt edit $binlocation -label $service "$@" 
}

while getopts 'saf' opt
do
    case $opt in
    s)	sflag=t ;;	# Single user
    a)	aflag=t ;;	# Ask for /usr
    f)	fflag=-f ;;	# Force a full file system check
    *)	usage
    esac
done
shift `expr $OPTIND - 1`

case "$#:$1" in
1:start|1:stop|1:down|1:autoboot)
    action=$1
    ;;
*)  usage
esac

case $action in
autoboot|start)

    # National keyboard?
    test -f /etc/keymap && loadkeys /etc/keymap

    # options for fsck. default is -r, which prompts the user for repairs.
    optname=fsckopts
    fsckopts=-p
    if sysenv $optname >/dev/null
    then       fsckopts="`sysenv $optname`"
    fi

    if [ "`sysenv debug_fkeys`" != 0 ]
    then
        up -n is -period 5HZ
    fi

    # Set timezone.
    export TZ=GMT0
    if [ -f "$RC_TZ" ]
    then . "$RC_TZ"
    fi

    # Start real time clock driver & set system time, otherwise default date.
    up readclock.drv
    readclock -q || date 201301010000

    # We are not shutting down.
    rm -f /etc/nologin

    # Are we booting from CD?
    bootcd="`/bin/sysenv cdproberoot`"

    # Use MFS binary only from kernel image?
    if [ "`sysenv bin_img`" = 1 ]
    then
        bin_img="-i "
    fi

    if [ -z "$bootcd" ]
    then
    # If we're not booting from CD, fsck + mount using /etc/fstab.
		fsck -x / $fflag $fsckopts
		mount -a
		
    # Initialize files.
		>/var/run/utmp		# /etc/utmp keeps track of logins
    fi

    # Unmount and free now defunct ramdisk
    umount /dev/imgrd > /dev/null || echo "Failed to unmount boot ramdisk"
    ramdisk 0 /dev/imgrd || echo "Failed to free boot ramdisk"

    # If booting from CD, we want some directories to be ramdisks
    if [ ! -z "$bootcd" ]
    then
	echo "Creating ramdisks..."
	RAMDISK_VAR_SIZE=512
	RAMDISK_TMP_SIZE=512

	# Create /var ramdisk
	dirs_var=$(find /var -type d | sed '1d')
	ramdisk $RAMDISK_VAR_SIZE /dev/ram0
	mkfs.mfs /dev/ram0
	mount /dev/ram0 /var
	for i in $dirs_var; do mkdir $i; done

	# Create /tmp ramdisk
	ramdisk $RAMDISK_VAR_SIZE /dev/ram1
	mkfs.mfs /dev/ram1
	mount /dev/ram1 /tmp
    fi

    # Initialize files.
    >/var/run/utmp				# /etc/utmp keeps track of logins
    >/var/run/utmpx				# /etc/utmpx keeps track of logins

    # Edit settings for boot system services
    if [ "`sysenv skip_boot_config`" != 1 ]
    then
	edit rs
	edit vm
	edit pm
	edit sched
	edit vfs
	edit ds
	edit tty
	edit memory
	edit pfs
	edit init
    fi

    if [ "$sflag" ]
    then
	echo "Single user. Press ^D to resume multiuser startup."
	intr sh
	echo
    fi

    echo "Multiuser startup in progress ..."

    case "`printroot -r`":$bootcd in
    /dev/ram:)
	# Remove boot-only things to make space,
	# unless booting from CD, in which case we need them.
	rm -rf /boot
	# put the compiler on ram
	cp /usr/lib/em* /usr/lib/cpp* /lib
    esac

    echo -n "Starting hotplugging infrastructure... "
    rm -f /var/run/devmand.pid
    devmand -d /etc/devmand -d /usr/pkg/etc/devmand &
    echo "done."

    # Things should be alright now.
    ;;
down|stop)
    sync
    if [ -f /var/run/devmand.pid ]
    then
	kill -INT `cat /var/run/devmand.pid`
	# without this delay the following will 
	# be printed in the console
	# RS: devman not running?
	sleep 1
    fi
    #
    # usbd needs to be stopped exactly 
    # at this stage(before stopping devman
    # and after stopping the services
    # stated by devmand)
    if [ -x /usr/pkg/etc/rc.d/usbd ]
    then 
	/usr/pkg/etc/rc.d/usbd stop
    fi

    if [ -x /service/usbd ]
    then
	service down usbd
    fi

    # Tell RS server we're going down.
    service shutdown
    ;;
esac

# Further initialization.
test -f /usr/etc/rc && sh /usr/etc/rc $action
test -f /usr/local/etc/rc && sh /usr/local/etc/rc $action

# Any messages?
if [ "$action" = start -o "$action" = autoboot ]
then	if [ -f /etc/issue ]
	then	cat /etc/issue
	fi
fi

exit 0