make rc.shutdown actually shutdown

rc.shutdown will now attempt to kill processes, unmount filesystems
and otherwise generally shutdown gracefully

diff --git a/scripts/rc.shutdown b/scripts/rc.shutdown
index ffb403889fc692bf20f7fa49cba6bb291cd7cee4..83b9d52b81186ec40121d5d531bb895ecd112783 100644 (file)
--- a/scripts/rc.shutdown
+++ b/scripts/rc.shutdown
@@ -1,5 +1,94 @@
 #!/bin/sh
 
 #!/bin/sh
 

-# TODO stop all the daemons
+cd /

 
 

-reboot -f -i
+. /etc/rc.conf
+. /etc/rc.d/functions.rc
+
+kill_all_wait() {
+       # Send SIGTERM then SIGKILL to all processes
+               # loop until killall5 reports all done, or timeout
+       # killall5 does not support the 0 signal, so we use SIGCONT for
+       # checking (which should be ignored)
+
+       local i
+
+       killall5 -$1
+
+       for i in $(seq 1 $2); do
+               sleep .25
+               # check via SIGCONT
+               killall5 -18
+               test $? -eq 2 && return 0
+       done
+
+       return 1
+}
+
+kill_all() {
+       status_begin "Sending SIGTERM to processes"
+       kill_all_wait 15 40
+       status_check
+       if [ $? != 0 ]; then
+               status_begin "Sending SIGKILL to processes"
+               kill_all_wait 9 60
+               status_check
+       fi
+}
+
+text -x /etc/rc.local.shutdown && /etc/rc.local.shutdown
+
+reverse() {
+        local rev
+        for i in "$@"; do
+                rev="$i $rev"
+        done;
+        printf '%s\n' "$rev"
+}
+
+STOPDAEMONS=$(reverse $DAEMONS)
+
+for D in $STOPDAEMONS; do
+       /etc/rc.d/$D stop
+done
+
+# write to wtmp
+halt -w
+
+if [ is_true "$USELVM" ] && [ -x /sbin/vgchange ]; then
+       status_begin "Deactivating monitoring of LVM2 groups"
+               /sbin/vgchange --monitor n
+       status_check
+fi
+
+if [ -x /sbin/udevadm ]; then
+       status_begin "Shutting down udev"
+       /sbin/udevadm control --exit
+       status_check
+fi
+
+kill_all
+
+status_begin "Unmounting swap-backed filesystems"
+umount -a -t tmpfs
+status_check
+
+status_begin "Deactivating swap"
+swapoff -a
+status_check
+
+status_begin "Unmounting non-API filesystems"
+umount -a
+status_check
+
+status_begin "Remounting root filesystem read-only"
+mount -o remount,ro /
+status_check
+
+sleep 3
+
+if [ $RUNLEVEL -eq 0 ]; then
+       poweroff -d -f -h -i
+else
+       reboot -d -f -i
+fi