From f5e16e6131faacba8f0bc4ce43860dae0a67391f Mon Sep 17 00:00:00 2001
From: Colin Percival <cperciva@FreeBSD.org>
Date: Sun, 4 Jul 2004 07:21:18 +0000
Subject: [PATCH] Wrap rc.subr inside

if [ -z "${_rc_subr_loaded}" ]; then
_rc_subr_loaded="YES"
...
fi

in order to avoid re-interpreting rc.subr every time an rc.d
script is run.  In my tests, this speeds up rc time by about
8-10%.
---
 etc/rc.subr | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/etc/rc.subr b/etc/rc.subr
index 349daee37f7..ffbf81a11f2 100644
--- a/etc/rc.subr
+++ b/etc/rc.subr
@@ -43,6 +43,10 @@
 #	Operating System dependent/independent variables
 #
 
+if [ -z "${_rc_subr_loaded}" ]; then
+
+_rc_subr_loaded="YES"
+
 SYSCTL="/sbin/sysctl"
 SYSCTL_N="${SYSCTL} -n"
 CMD_OSTYPE="${SYSCTL_N} kern.ostype"
@@ -1286,3 +1290,5 @@ mount_md() {
 	fi
 	/sbin/mdmfs $bpi -s $1 -M md $2
 }
+
+fi