From: Nathan Wagner <nw@hydaspes.if.org>
Date: Thu, 9 Jan 2014 11:23:31 +0000 (+0000)
Subject: make rc.shutdown actually shutdown
X-Git-Url: https://pd.if.org/git/?p=startuptools;a=commitdiff_plain;h=54587047a1fdd4abd6a4ba23a920f8116fce2e72

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 ffb4038..83b9d52 100644
--- a/scripts/rc.shutdown
+++ b/scripts/rc.shutdown
@@ -1,5 +1,94 @@
 #!/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