diff options
Diffstat (limited to 'rc.d/init.d/halt')
-rwxr-xr-x | rc.d/init.d/halt | 178 |
1 files changed, 126 insertions, 52 deletions
diff --git a/rc.d/init.d/halt b/rc.d/init.d/halt index cb33cbed..3f6d5dac 100755 --- a/rc.d/init.d/halt +++ b/rc.d/init.d/halt @@ -20,7 +20,7 @@ halt_crypto() { [ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue if [ -b "/dev/mapper/$dst" ]; then if /sbin/dmsetup info "$dst" | grep -q '^Open count: *0$'; then - action $"Stopping disk encryption for $dst" /sbin/cryptsetup remove "$dst" + action "Stopping disk encryption for %s" $dst /sbin/cryptsetup remove "$dst" else fnval=1 fi @@ -30,36 +30,27 @@ halt_crypto() { } kill_all() { - local STRING rc - - STRING=$1 - echo -n "$STRING " - shift /sbin/killall5 "$@" rc=$? - # Retval: 0: success 1: error 2: no processes found to kill if [ "$rc" == 1 ]; then - failure $"$STRING" - else - success $"$STRING" + return 1 fi - echo - return $rc + return 0 } # See how we were called. case "$0" in *halt) - message=$"Halting system..." + message=`gprintf "Halting system..."` command="/sbin/halt" ;; *reboot) - message=$"Please stand by while rebooting the system..." + message=`gprintf "Please stand by while rebooting the system..."` command="/sbin/reboot" kexec_command="/sbin/kexec" ;; *) - echo $"$0: call me as 'halt' or 'reboot' please!" + gprintf "%s: call me as 'halt' or 'reboot' please!\n" $0 exit 1 ;; esac @@ -67,44 +58,87 @@ case "$1" in *start) ;; *) - echo $"Usage: $0 {start}" + gprintf "Usage: %s\n" "$(basename $0) {start}" exit 1 ;; esac +# Recreate the /initrd if needed +if [ ! -d /initrd ]; then + action "Creating initrd directory" mkdir /initrd +fi +if [ -d /initrd -a ! -f /initrd/README.WARNING ]; then + cat > /initrd/README.WARNING <<EOF +(mkinitrd) Don't remove this directory, it's needed at boot time, +in the initrd, to perform the pivot_root. +EOF +fi + +update_boot_stage kill + # Kill all processes. [ "${BASH+bash}" = bash ] && enable kill +OMITPIDS= +omitfile=/var/run/sendsigs.omit +if [ -e $omitfile ]; then + for pid in $(cat $omitfile); do + OMITPIDS="${OMITPIDS:+$OMITPIDS }-o $pid" + done +fi # Find mdmon pid's and omit killing them OMITARGS= -for i in /dev/md/*.pid; do - if [ ! -r "$i" ]; then +for i in /dev/.mdadm/*.pid; do + if [ "$i" = "mdadm.pid" -o ! -r "$i" ]; then continue fi OMITARGS="$OMITARGS -o $(cat $i)" done -kill_all $"Sending all processes the TERM signal..." -15 $OMITARGS + +action "Sending all processes the TERM signal..." kill_all -15 $OMITPIDS $OMITARGS +alldead="" +for i in 0 1 2 3 4 5 6 7 8 9 10; do + # use SIGCONT/signal 18 to check if there are + # processes left. No need to check the exit code + # value, because either killall5 work and it make + # sense to wait for processes to die, or it fail and + # there is nothing to wait for. + if /sbin/killall5 -18 $OMITPIDS $OMITARGS; then + : + else + alldead=1 + break + fi + + sleep 1 +done # No need to sleep and kill -9 if no processes to kill were found -if [ "$?" == 0 ]; then - sleep 2 - kill_all $"Sending all processes the KILL signal..." -9 $OMITARGS +if [ -z "$alldead" ]; then + action "Sending all processes the KILL signal..." kill_all -9 $OMITPIDS $OMITARGS fi # Write to wtmp file before unmounting /var /sbin/halt -w # Save mixer settings, here for lack of a better place. -if [ -s /etc/alsa/alsactl.conf ] && [ -x /sbin/alsactl ] && [ -w /etc/asound.state ]; then - action $"Saving mixer settings" /sbin/alsactl -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf --ignore store +if [ -x /sbin/alsactl ]; then + action "Saving mixer settings" /sbin/alsactl --ignore store fi # Save random seed touch /var/lib/random-seed chmod 600 /var/lib/random-seed -action $"Saving random seed: " dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=512 2>/dev/null +action "Saving random seed: " dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=512 2>/dev/null -[ -x /sbin/hwclock ] && action $"Syncing hardware clock to system time" /sbin/hwclock --systohc +update_boot_stage clock +[ -x /sbin/hwclock ] && action "Syncing hardware clock to system time" /sbin/hwclock --systohc + +if [ -x /sbin/halt.pre ]; then + /sbin/halt.pre +fi + +update_boot_stage umount # Try to unmount tmpfs filesystems to avoid swapping them in. Ignore failures. tmpfs=$(awk '$2 ~ /^\/($|proc|dev)/ { next; } @@ -114,7 +148,7 @@ tmpfs=$(awk '$2 ~ /^\/($|proc|dev)/ { next; } # Turn off swap, then unmount file systems. [ -f /proc/swaps ] && SWAPS=$(awk '! /^Filename/ { print $1 }' /proc/swaps) if [ -n "$SWAPS" ]; then - action $"Turning off swap: " swapoff $SWAPS + action "Turning off swap: " swapoff $SWAPS for dst in $SWAPS; do if [[ "$dst" == /dev/mapper* ]] \ && [ "$(dmsetup status "$dst" | cut -d ' ' -f 3)" = crypt ]; then @@ -125,7 +159,11 @@ if [ -n "$SWAPS" ]; then done fi -[ -x /sbin/quotaoff ] && action $"Turning off quotas: " /sbin/quotaoff -aug +[ -x /sbin/quotaoff ] && action "Turning off quotas: " /sbin/quotaoff -aug + +# first remove entry /initrd/loopfs as it can't be unmounted :( +mtab=$(fgrep -v "/initrd/loopfs[^/]" /etc/mtab) +(IFS= ; echo $mtab > /etc/mtab) # Unmount file systems, killing processes if we have to. # Unmount loopback stuff first @@ -134,29 +172,61 @@ __umount_loopback_loop # Unmount RPC pipe file systems __umount_loop '$3 ~ /^rpc_pipefs$/ || $3 ~ /^rpc_svc_gss_pipefs$/ {print $2}' \ /proc/mounts \ - $"Unmounting pipe file systems: " \ - $"Unmounting pipe file systems (retry): " \ + "Unmounting pipe file systems: " \ + "Unmounting pipe file systems (retry): " \ -f LANG=C __umount_loop '$2 ~ /^\/$|^\/proc|^\/cgroup|^\/sys\/fs\/cgroup|^\/dev/{next} + $2 ~ /^\/live\//{next} $3 == "tmpfs" || $3 == "proc" {print $2 ; next} /(loopfs|autofs|nfs|cifs|smbfs|ncpfs|sysfs|^none|^\/dev\/ram|^\/dev\/root$)/ {next} {print $2}' /proc/mounts \ - $"Unmounting file systems: " \ - $"Unmounting file systems (retry): " \ + "Unmounting file systems: " \ + "Unmounting file systems (retry): " \ -f -[ -f /proc/bus/usb/devices ] && $UMOUNT /proc/bus/usb +update_boot_stage lvm + +# stop crypto devices before lvm, as they can sit on top of LVM [ -f /etc/crypttab ] && halt_crypto +if [ -f /etc/lvm/lvm.conf -a -x /sbin/lvm2 ]; then + if grep -q -s 'device-mapper' /proc/devices; then + _vgchange_cmd="/sbin/lvm2 vgchange -a n" + fi +fi + +if [ -z "${_vgscan_cmd}" -a -f /etc/lvmtab -a -e /proc/lvm ] ; then + if [ -x /sbin/lvm1-vgchange ]; then + _vgchange_cmd="/sbin/lvm1-vgchange -a n" + elif [ -x /sbin/vgchange ]; then + _vgchange_cmd="/sbin/vgchange -a n" + fi +fi + +if [ -n "${_vgchange_cmd}" ]; then + action "Shutting down LVM:" ${_vgchange_cmd} +fi + +# for NUT +# do it here to have /proc/usb mounted for UPS on USB +if [ -f /etc/init.d/upsd ]; then + /etc/init.d/upsd powerdown + [ $? == 3 ] && exit 1 +fi + +[ -f /proc/bus/usb/devices ] && $UMOUNT /proc/bus/usb + # remove the crash indicator flag rm -f /.autofsck +update_boot_stage umount_force + # Try all file systems other than root, essential filesystems and RAM disks, # one last time. -awk '$2 !~ /\/(|dev|proc|selinux|cgroup|sys)$/ && $1 !~ /(^\/dev\/ram|cgroup)/ { print $2 }' \ - /proc/mounts | sort -r | \ +# eugeni: we should umount the filesystems in reverse order (#53042) +tac /proc/mounts | awk '$2 !~ /\/(|dev|proc|selinux|cgroup|sys)$/ && $2 !~ /^\/live\// && $1 !~ /(^\/dev\/ram|cgroup)/ { print $2 }' | \ while read line; do fstab-decode $UMOUNT -f $line done @@ -165,8 +235,7 @@ if [ -x /sbin/halt.local ]; then /sbin/halt.local fi -# Tell init to re-exec itself. -kill -TERM 1 +update_boot_stage remount_ro # Remount read only anything that's left mounted. # echo $"Remounting remaining filesystems readonly" @@ -174,34 +243,39 @@ mount | awk '{ print $1,$3 }' | while read dev dir; do fstab-decode mount -n -o ro,remount $dev $dir done +# (bor) it is impossible under systemd and is not required otherwise +# action "Unmounting proc file system: " umount /proc + +# See if this is a powerfail situation. +if [ -f /etc/apcupsd/powerfail ]; then + gprintf "APCUPSD will now power off the UPS!\n" + echo + /etc/apcupsd/apccontrol killpower + echo + gprintf "Please ensure that the UPS has powered off before rebooting\n" + gprintf "Otherwise, the UPS may cut the power during the reboot!!!\n" + echo +fi + +update_boot_stage halt + # If we left mdmon's running wait for the raidsets to become clean if [ -n "$OMITARGS" ]; then mdadm --wait-clean --scan fi # Now halt or reboot. -echo $"$message" +echo "$message" if [ -f /fastboot ]; then - echo $"On the next boot fsck will be skipped." + gprintf "On the next boot fsck will be skipped.\n" elif [ -f /forcefsck ]; then - echo $"On the next boot fsck will be forced." -fi - -# Shutdown UPS drivers -if [ "$command" = /sbin/halt ] && [ -f /etc/sysconfig/ups ]; then - . /etc/sysconfig/ups - if [ -z $POWERDOWNFLAG ]; then - POWERDOWNFLAG=/etc/killpower - fi - if [ "$SERVER" = "yes" ] && [ -f $POWERDOWNFLAG ]; then - /sbin/upsdrvctl shutdown - fi + gprintf "On the next boot fsck will be forced.\n" fi # First, try kexec. If that fails, fall back to rebooting the old way. [ -n "$kexec_command" ] && $kexec_command -e -x >& /dev/null -HALTARGS="-d" +HALTARGS="-i -d" [ "$INIT_HALT" != "HALT" ] && HALTARGS="$HALTARGS -p" exec $command $HALTARGS |