minix/etc/rc

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# /etc/rc - System startup script run by init before going multiuser.
exec >/dev/log
exec 2>/dev/log
exec </dev/null
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umask 022
FSTAB=/etc/fstab
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TERM="${TERM-minix}"
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PATH=/usr/local/bin:/bin:/usr/bin:/usr/sbin:/usr/pkg/bin:/usr/pkg/sbin:/sbin
RC_TZ=/etc/rc.timezone
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export TERM PATH
ARCH="`sysenv arch`"
if [ ! "$ARCH" ]
then # Older kernels do not provide an arch sysenv variable.
# We assume we are on x86 then, as existing systems with
# kernel and userland (i.e. this script) unsynchronized
# will be x86.
ARCH=i386
fi
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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
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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()
{
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echo "WARNING: old fstab format, please upgrade!"
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# /etc/fstab lists the root, home, and usr devices.
. $FSTAB
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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
}
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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
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*) usage
esac
done
shift `expr $OPTIND - 1`
case "$#:$1" in
1:start|1:stop|1:down)
action=$1
;;
*) usage
esac
case $action in
start)
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# 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 $optname`"
fi
if [ "`sysenv debug_fkeys`" != 0 ]
then
up -n is -period 5HZ
fi
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# Set timezone.
export TZ=GMT0
if [ -f "$RC_TZ" ]
then . "$RC_TZ"
fi
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# Start real time clock driver & set system time, otherwise default date.
up readclock.drv
readclock -q || date 201301010000
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# Initialize files.
>/etc/utmp # /etc/utmp keeps track of logins
# Use MFS binary only from kernel image?
if [ "`sysenv bin_img`" = 1 ]
then
bin_img="-i "
fi
# Are we booting from CD?
bootcd="`/bin/sysenv bootcd`"
# If booting from CD, mounting is a special case.
# We know what to do - only /usr is mounted and it's readonly.
if [ "$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 $fsckopts
mount -a
fi
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fi
# Unmount and free now defunct ramdisk
umount /dev/imgrd > /dev/null || echo "Failed to unmount boot ramdisk"
ramdisk 0 /dev/imgrd || echo "Failed to free boot ramdisk"
# Edit settings for boot system services
if [ "`sysenv skip_boot_config`" != 1 ]
then
edit rs
edit vm
edit pm
edit sched
edit vfs
edit ds
edit tty
edit memory
edit -p log
edit -c pfs
edit init
fi
# This file is necessary for above 'shutdown -C' check.
# (Silence stderr in case of running from cd.)
touch /usr/adm/wtmp /etc/wtmp 2>/dev/null
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if [ "$sflag" ]
then
echo "Single user. Press ^D to resume multiuser startup."
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intr sh
echo
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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
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esac
if [ $ARCH = i386 ]
then
echo -n "Starting hotplugging infrastructure... "
rm -f /var/run/devmand.pid
devmand -d /etc/devmand -d /usr/pkg/etc/devmand &
echo "done."
fi
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# Things should be alright now.
;;
down|stop)
sync
if [ $ARCH = i386 ]
then
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
fi
# Tell RS server we're going down.
service shutdown
;;
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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
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exit 0