Add a simple 'rc' system to base in order to start/stop/restart/reload

services installed by the ports system (for now).
It only uses pgrep/pkill to handle these processes. A manual page will
come later.
'put it in' deraadt@

src/etc/Makefile

@@ -1,4 +1,4 @@
-#	$OpenBSD: Makefile,v 1.293 2010/10/18 14:54:47 deraadt Exp $
+#	$OpenBSD: Makefile,v 1.294 2010/10/26 20:56:03 robert Exp $
 
 TZDIR=		/usr/share/zoneinfo
 LOCALTIME=	Canada/Mountain
@@ -255,6 +255,9 @@ distribution-etc-root-var: distrib-dirs
 	    ${DESTDIR}/var/mail/root
 	${INSTALL} -c -o root -g wheel -m 440 ../usr.bin/sudo/sudoers \
 	    ${DESTDIR}/etc/sudoers
+	cd rc.d; \
+		${INSTALL} -c -o root -g wheel -m 644 rc.subr \
+		    ${DESTDIR}/etc/rc.d
 
 distribution:
 	exec ${SUDO} ${MAKE} distribution-etc-root-var

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.211 2010/10/18 20:52:43 deraadt Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.212 2010/10/26 20:56:03 robert Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 # .
@@ -193,6 +193,11 @@ ppp
 # ./etc/ppp
 ..
 
+# ./etc/rc.d
+rc.d
+# ./etc/rc.d
+..
+
 # ./etc/skel
 skel
 

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.342 2010/10/01 20:51:32 jakob Exp $
+#	$OpenBSD: rc,v 1.343 2010/10/26 20:56:03 robert Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -157,6 +157,9 @@ HOME=/; export HOME
 PATH=/sbin:/bin:/usr/sbin:/usr/bin
 export PATH
 
+# pick up option configuration
+. /etc/rc.conf
+
 if [ X"$1" = X"shutdown" ]; then
 	dd if=/dev/urandom of=/var/db/host.random bs=1024 count=64 >/dev/null 2>&1
 	chmod 600 /var/db/host.random >/dev/null 2>&1
@@ -244,9 +247,6 @@ rm -f /fastboot		# XXX (root now writeable)
 
 random_seed
 
-# pick up option configuration
-. /etc/rc.conf
-
 # set flags on ttys.  (do early, in case they use tty for SLIP in netstart)
 echo 'setting tty flags'
 ttyflags -a

src/etc/rc.d/rc.subr

@@ -0,0 +1,54 @@
+[ -z $local_rcconf ] && . /etc/rc.conf
+
+rc_err() {
+	echo $1
+	exit 1
+}
+
+rc_start() {
+	type rc_pre >/dev/null && rc_pre
+	eval $daemon $daemon_flags
+}
+
+rc_check() {
+	pgrep -f "^$pexp" >/dev/null
+}
+
+rc_reload() {
+	pkill -HUP -f "^$pexp"
+}
+
+rc_stop() {
+	pkill -f "^$pexp"
+	type rc_post >/dev/null && rc_post || return 0
+}
+
+rc_cmd() {
+	[ `id -u` -eq 0 ] || rc_err "$0: need root privileges"
+	[ -n "$daemon"  ] || rc_err "$0: daemon is not set"
+	[ -n "$pexp"    ] || pexp="$daemon${daemon_flags:+ $daemon_flags}"
+
+	case "$1" in
+	check|status)
+		rc_check
+		;;
+	start)
+		rc_check || rc_start
+		;;
+	stop)
+		rc_stop
+		;;
+	reload)
+		rc_check && rc_reload
+		;;
+	restart)
+		rc_stop
+		while rc_check; do
+			sleep 1
+		done
+		rc_start
+		;;
+	*)
+		rc_err "usage: $0 {start|check|reload|restart|stop}"
+	esac
+}

src/etc/rc.local

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc.local,v 1.39 2006/07/28 20:19:46 sturm Exp $
+#	$OpenBSD: rc.local,v 1.40 2010/10/26 20:56:03 robert Exp $
 
 # Site-specific startup actions, daemons, and other things which
 # can be done AFTER your system goes into securemode.  For actions
@@ -7,7 +7,10 @@
 
 echo -n 'starting local daemons:'
 
+for _r in $rc_scripts; do
+	[ -x /etc/rc.d/${_r} ] && /etc/rc.d/${_r} start && echo -n " ${_r}"
+done
+
 # Add your local startup actions here.
 
 echo '.'
-

src/etc/rc.shutdown

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc.shutdown,v 1.7 2006/06/22 00:41:59 deraadt Exp $
+#	$OpenBSD: rc.shutdown,v 1.8 2010/10/26 20:56:03 robert Exp $
 #
 # If it exists, this script is run at system-shutdown by reboot(8),
 # halt(8).  If the architecture supports keyboard requested halting,
@@ -7,6 +7,14 @@
 
 powerdown=NO	# set to YES for powerdown
 
-#
-# Your shell code goes here
-#
+echo -n 'stopping local daemons:'
+
+while [ -n "$rc_scripts" ]; do                                                       
+	_r=${rc_scripts##* }
+	rc_scripts=${rc_scripts%%*( )${_r}}
+	[ -x /etc/rc.d/${_r} ] && /etc/rc.d/${_r} stop && echo -n " ${_r}"
+done
+
+# Add your local shutdown actions here.
+
+echo '.'