minix/etc/rc
Kees Jongenburger 7750657783 Add hot plugging infrastructure in rc file.
Adding hot plugging infrastructure in rc file. This includes
starting the devman service, mounting it's file system and
starting the corresponding devmand daemon.

This patch also provide error free shutdown of the USB sub-system.

The USB sub system needs to be shutdown in a certain order but also
consists of components living in /usr/pkg/. By checking the
existence of usbd we can stop it in the correct order.
2012-06-18 09:31:14 +02:00

239 lines
5.1 KiB
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Executable file

# /etc/rc - System startup script run by init before going multiuser.
. /etc/rc.subr.minix
exec >/dev/log
exec 2>/dev/log
exec </dev/null
umask 022
FSTAB=/etc/fstab
TERM="${TERM-minix}"
PATH=/usr/local/bin:/bin:/usr/bin:/usr/sbin:/usr/pkg/bin:/usr/pkg/sbin:/sbin
RC_TZ=/etc/rc.timezone
export TERM PATH
usage()
{
echo >&2 "Usage: $0 [-saf] start|stop|down"
exec intr sh
}
up()
{
# Function to dynamically start a system service
opt=""
prefix=$(expr "$1 " : '\(-\)')
if [ "$prefix" = "-" ];
then
opt=$1
shift
fi
service=$1
shift
service $opt up /sbin/$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 /usr/sbin
service $opt edit /usr/sbin/$service -label $service "$@"
}
# This function parses the deprecated minix shellscript-style
# /etc/fstab, and fscks and mounts its filesystems.
mountfstab_poorman()
{
echo "WARNING: old fstab format, please upgrade!"
# /etc/fstab lists the root, home, and usr devices.
. $FSTAB
intr fsck.mfs $fsckopts $usr
if [ ! -z "$home" ]
then intr fsck.mfs $fsckopts $home
fi
# mount /usr
mount $bin_img $usr /usr
if [ ! -z "$home" ]
then mount $bin_img $home /home || echo "WARNING: couldn't mount $home on /home"
fi
}
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)
action=$1
;;
*) usage
esac
case $action in
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 . "$RC_TZ"
fi
# Try to read the hardware real-time clock, otherwise do it manually.
readclock || intr date -q
# Initialize files.
printroot >/etc/mtab # /etc/mtab keeps track of mounts
>/etc/utmp # /etc/utmp keeps track of logins
# Unmount now defunct ramdisk
umount /dev/imgrd > /dev/null || echo "Failed to unmount boot ramdisk"
# Use MFS binary only from kernel image?
if [ "`sysenv bin_img`" = 1 ]
then
bin_img="-i "
fi
# Are we booting from CD?
bootcd="`/bin/sysenv bootcd`"
# If booting from CD, mounting is a special case.
# We know what to do - only /usr is mounted and it's readonly.
if [ "$bootcd" = 1 ]
then usrdev="$cddev"p2
echo "/usr on cd is $usrdev"
mount -r $usrdev /usr
else
# If we're not booting from CD, fsck + mount using /etc/fstab.
read <$FSTAB fstabline
if [ "$fstabline" = "# Poor man's File System Table." ]
then mountfstab_poorman # Old minix /etc/fstab
else fsck -x / $fflag $fsckopts
mountfstab $FSTAB
fi
fi
# Edit settings for boot system services
if [ "`sysenv skip_boot_config`" != 1 ]
then
edit rs
edit vm
edit pm
edit sched
edit vfs
edit ds
edit tty
edit memory
edit -p log
edit -c pfs
edit init
fi
# This file is necessary for above 'shutdown -C' check.
# (Silence stderr in case of running from cd.)
touch /usr/adm/wtmp /etc/wtmp 2>/dev/null
if [ "$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... "
service up /sbin/devman
if [ ! -d /sys ]
then
mkdir /sys
fi
mount -e -t devman none /sys
rm -f /var/tmp/devmand_control
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
umount -e /sys
service down devman
# 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 $action
# Any messages?
test "$action" = start -a -f /etc/issue && cat /etc/issue
exit 0