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+#! /bin/sh
+#
+# rc.6 This file is executed by init when it goes into runlevel
+# 0 (halt) or runlevel 6 (reboot). It kills all processes,
+# unmounts file systems and then either halts or reboots.
+#
+# Version: @(#)/etc/rc.d/rc.6 2.47 Sat Jan 13 13:37:26 PST 2001
+#
+# Author: Miquel van Smoorenburg <miquels@drinkel.nl.mugnet.org>
+# Modified by: Patrick J. Volkerding, <volkerdi@slackware.com>
+#
+
+# Set the path.
+PATH=/sbin:/etc:/bin:/usr/bin
+
+# Set $container variable since this is a modified version of rc.6 with
+# changes for running in an lxc container. A check to see if this variable
+# is set will be used to skip parts of the script that we don't want to run
+# in a container. Thanks to Matteo Bernardini <ponce@slackbuilds.org> and
+# Chris Willing for the initial work making this script lxc compatible.
+container="lxc"
+
+# If there are SystemV init scripts for this runlevel, run them.
+if [ -x /etc/rc.d/rc.sysvinit ]; then
+ . /etc/rc.d/rc.sysvinit
+fi
+
+# Set linefeed mode to avoid staircase effect.
+/bin/stty onlcr
+
+echo "Running shutdown script $0:"
+
+# Find out how we were called.
+case "$0" in
+ *0)
+ shutdown_command="halt"
+ ;;
+ *6)
+ shutdown_command=reboot
+ ;;
+ *)
+ echo "$0: call me as \"rc.0\" or \"rc.6\" please!"
+ exit 1
+ ;;
+esac
+
+# Save the system time to the hardware clock using hwclock --systohc.
+# This will also create or update the timestamps in /etc/adjtime.
+if [ -x /sbin/hwclock -a -z "$container" ]; then
+ # Check for a broken motherboard RTC clock (where ioports for rtc are
+ # unknown) to prevent hwclock causing a hang:
+ if ! grep -q " : rtc" /proc/ioports ; then
+ CLOCK_OPT="--directisa"
+ fi
+ if [ /etc/adjtime -nt /etc/hardwareclock ]; then
+ if grep -q "^LOCAL" /etc/adjtime ; then
+ echo "Saving system time to the hardware clock (localtime)."
+ else
+ echo "Saving system time to the hardware clock (UTC)."
+ fi
+ /sbin/hwclock $CLOCK_OPT --systohc
+ elif grep -q "^UTC" /etc/hardwareclock 2> /dev/null ; then
+ echo "Saving system time to the hardware clock (UTC)."
+ if [ ! -r /etc/adjtime ]; then
+ echo "Creating system time correction file /etc/adjtime."
+ fi
+ /sbin/hwclock $CLOCK_OPT --utc --systohc
+ else
+ echo "Saving system time to the hardware clock (localtime)."
+ if [ ! -r /etc/adjtime ]; then
+ echo "Creating system time correction file /etc/adjtime."
+ fi
+ /sbin/hwclock $CLOCK_OPT --localtime --systohc
+ fi
+fi
+
+# Run any local shutdown scripts:
+if [ -x /etc/rc.d/rc.local_shutdown ]; then
+ /etc/rc.d/rc.local_shutdown stop
+fi
+
+# Stop the Apache web server:
+if [ -x /etc/rc.d/rc.httpd ]; then
+ /etc/rc.d/rc.httpd stop
+fi
+
+# Stop the MySQL database:
+if [ -r /var/run/mysql/mysql.pid ]; then
+ . /etc/rc.d/rc.mysqld stop
+fi
+
+# Stop the Samba server:
+if [ -x /etc/rc.d/rc.samba ]; then
+ . /etc/rc.d/rc.samba stop
+fi
+
+# Shut down the NFS server:
+if [ -x /etc/rc.d/rc.nfsd ]; then
+ /etc/rc.d/rc.nfsd stop
+fi
+
+# Shut down the SSH server:
+if [ -x /etc/rc.d/rc.sshd ]; then
+ /etc/rc.d/rc.sshd stop
+fi
+
+# Shut down the SASL authentication daemon:
+if [ -x /etc/rc.d/rc.saslauthd ]; then
+ /etc/rc.d/rc.saslauthd stop
+fi
+
+# Shut down OpenLDAP:
+if [ -x /etc/rc.d/rc.openldap ]; then
+ /etc/rc.d/rc.openldap stop
+fi
+
+# Stop D-Bus:
+if [ -x /etc/rc.d/rc.messagebus ]; then
+ sh /etc/rc.d/rc.messagebus stop
+fi
+
+# Kill any processes (typically gam) that would otherwise prevent
+# unmounting NFS volumes:
+unset FUSER_DELAY
+for dir in $(/bin/mount | grep 'type nfs ' | cut -d ' ' -f 3 ) ; do
+ echo "Killing processes holding NFS mount $dir open..."
+ # Background this to prevent fuser from also blocking shutdown:
+ /usr/bin/fuser -k -m $dir &
+ FUSER_DELAY=5
+done
+# If fuser was run, let it have some delay:
+if [ ! -z "$FUSER_DELAY" ]; then
+ sleep $FUSER_DELAY
+fi
+
+# Unmount any NFS, SMB, or CIFS filesystems:
+echo "Unmounting remote filesystems:"
+/bin/umount -v -a -l -f -r -t nfs,smbfs,cifs | tr -d ' ' | grep successfully | sed "s/:successfullyunmounted/ has been successfully unmounted./g"
+
+# Try to shut down pppd:
+PS="$(ps ax)"
+if echo "$PS" | /bin/grep -q -w pppd ; then
+ if [ -x /usr/sbin/ppp-off ]; then
+ /usr/sbin/ppp-off
+ fi
+fi
+
+# Shut down YP services:
+if [ -x /etc/rc.d/rc.yp ]; then
+ if grep -wq stop /etc/rc.d/rc.yp ; then
+ /etc/rc.d/rc.yp stop
+ fi
+fi
+
+# Bring down the networking system, but first make sure that this
+# isn't a diskless client with the / partition mounted via NFS:
+if ! /bin/mount | /bin/grep -q 'on / type nfs' ; then
+ if [ -x /etc/rc.d/rc.inet1 ]; then
+ . /etc/rc.d/rc.inet1 stop
+ fi
+fi
+
+# In case dhcpcd might have been manually started on the command line,
+# look for the .pid file, and shut dhcpcd down if it's found:
+if /bin/ls /etc/dhcpc/*.pid 1> /dev/null 2> /dev/null ; then
+ /sbin/dhcpcd -k 1> /dev/null 2> /dev/null
+ # A little time for /etc/resolv.conf and/or other files to
+ # restore themselves.
+ sleep 2
+fi
+
+# Shut down PCMCIA devices:
+if [ -x /etc/rc.d/rc.pcmcia -a -z "$container" ]; then
+ . /etc/rc.d/rc.pcmcia stop
+ # The cards might need a little extra time here to deactivate:
+ /bin/sleep 5
+fi
+
+# Turn off process accounting:
+if [ -x /sbin/accton -a -r /var/log/pacct ]; then
+ /sbin/accton off
+fi
+
+# Terminate acpid before syslog:
+if [ -x /etc/rc.d/rc.acpid -a -r /var/run/acpid.pid -a -z "$container" ]; then # quit
+ . /etc/rc.d/rc.acpid stop
+fi
+
+# Stop udev:
+if [ -x /etc/rc.d/rc.udev -a -z "$container" ]; then
+ sh /etc/rc.d/rc.udev force-stop
+fi
+
+# Kill all remaining processes.
+OMITPIDS="$(for p in $(pgrep mdmon); do echo -o $p; done)" # Don't kill mdmon
+if [ ! "$1" = "fast" ]; then
+ echo "Sending all processes the SIGTERM signal."
+ /sbin/killall5 -15 $OMITPIDS
+ /bin/sleep 5
+ echo "Sending all processes the SIGKILL signal."
+ /sbin/killall5 -9 $OMITPIDS
+fi
+
+# Try to turn off quota.
+if /bin/grep -q quota /etc/fstab ; then
+ if [ -x /sbin/quotaoff -a -z "$container" ]; then
+ echo "Turning off filesystem quotas."
+ /sbin/quotaoff -a
+ fi
+fi
+
+# Carry a random seed between reboots.
+echo "Saving random seed from /dev/urandom in /etc/random-seed."
+# Use the pool size from /proc, or 4096 bits:
+if [ -r /proc/sys/kernel/random/poolsize ]; then
+ /bin/dd if=/dev/urandom of=/etc/random-seed count=1 bs=$(expr $(cat /proc/sys/kernel/random/poolsize) / 8) 2> /dev/null
+else
+ /bin/dd if=/dev/urandom of=/etc/random-seed count=1 bs=512 2> /dev/null
+fi
+/bin/chmod 600 /etc/random-seed
+
+# Before unmounting file systems write a reboot or halt record to wtmp.
+$shutdown_command -w
+
+# Turn off swap:
+if [ -z "$container" ]; then
+ echo "Turning off swap."
+ /sbin/swapoff -a
+ /bin/sync
+fi
+
+# Stop cgmanager and cgproxy:
+if [ -x /etc/rc.d/rc.cgmanager -a -z "$container" ]; then
+ sh /etc/rc.d/rc.cgmanager stop
+fi
+
+if [ -z "$container" ]; then
+ echo "Unmounting local file systems:"
+ /bin/umount -v -a -t no,proc,sysfs | tr -d ' ' | grep successfully | sed "s/:successfullyunmounted/ has been successfully unmounted./g" 2> /dev/null
+ echo "Remounting root filesystem read-only:"
+ /bin/mount -v -n -o remount,ro /
+fi
+
+# This never hurts:
+/bin/sync
+
+# Close any volumes opened by cryptsetup:
+if [ -f /etc/crypttab -a -x /sbin/cryptsetup ]; then
+ cat /etc/crypttab | grep -v "^#" | grep -v "^$" | while read line; do
+ # NOTE: we only support LUKS formatted volumes (except for swap)!
+ LUKS=$(echo $line | tr '\t' ' ' | tr -s ' ' | cut -f1 -d' ')
+ DEV=$(echo $line | tr '\t' ' ' | tr -s ' ' | cut -f2 -d' ')
+ OPTS=$(echo $line | tr '\t' ' ' | tr -s ' ' | cut -f4 -d' ')
+ if /sbin/cryptsetup isLuks $DEV 2>/dev/null ; then
+ echo "Locking LUKS crypt volume '${LUKS}':"
+ /sbin/cryptsetup luksClose ${LUKS}
+ elif echo $OPTS | grep -wq swap ; then
+ # If any of the volumes was used as encrypted swap,
+ # then run mkswap on the underlying device -
+ # in case other Linux installations on this computer should use it:
+ echo "Erasing encrypted swap '${LUKS}' and restoring normal swap on ${DEV}:"
+ /sbin/cryptsetup remove ${LUKS}
+ mkswap $DEV
+ fi
+ done
+fi
+
+# Deactivate LVM volume groups:
+if [ -z "$container" ]; then
+ if [ -r /etc/lvmtab -o -d /etc/lvm/backup ]; then
+ echo "Deactivating LVM volume groups:"
+ /sbin/vgchange -an --ignorelockingfailure
+ fi
+fi
+
+# This never hurts again (especially since root-on-LVM always fails
+# to deactivate the / logical volume... but at least it was
+# remounted as read-only first)
+/bin/sync
+
+# sleep 3 fixes problems with some hard drives that don't
+# otherwise finish syncing before reboot or poweroff
+/bin/sleep 3
+
+# This is to ensure all processes have completed on SMP machines:
+wait
+
+if [ -x /sbin/genpowerd -a -z "$container" ]; then
+ # See if this is a powerfail situation:
+ if /bin/egrep -q "FAIL|SCRAM" /etc/upsstatus 2> /dev/null ; then
+ # Signal UPS to shut off the inverter:
+ /sbin/genpowerd -k
+ if [ ! $? = 0 ]; then
+ echo
+ echo "There was an error signaling the UPS."
+ echo "Perhaps you need to edit /etc/genpowerd.conf to configure"
+ echo "the serial line and UPS type."
+ # Wasting 15 seconds of precious power:
+ /bin/sleep 15
+ fi
+ fi
+fi
+
+if [ "$container" = "lxc" ]; then
+ # confirm successful shutdown of the container
+ echo "LXC container stopped."
+fi
+
+# Now halt (poweroff with APM or ACPI enabled kernels) or reboot.
+if [ "$shutdown_command" = "reboot" ]; then
+ echo "Rebooting."
+ /sbin/reboot
+else
+ /sbin/poweroff
+fi
+