From a8eb33233c84c2d1e87b65a8327669bf41d729dc Mon Sep 17 00:00:00 2001
From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 28 Mar 2010 20:19:41 +0000
Subject: [PATCH] MFC r200818: rc.subr: Use pwait in wait_for_pids.

This waits for the requested process(es) to terminate, rather than polling
with an interval of 2 seconds.

If pwait is not available, the old method is used.

PR:		conf/132766
---
 etc/rc.subr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/etc/rc.subr b/etc/rc.subr
index cfb2942965c..091ac3fed7e 100644
--- a/etc/rc.subr
+++ b/etc/rc.subr
@@ -390,7 +390,7 @@ wait_for_pids()
 		_list=$_nlist
 		echo -n ${_prefix:-"Waiting for PIDS: "}$_list
 		_prefix=", "
-		sleep 2
+		pwait $_list 2>/dev/null || sleep 2
 	done
 	if [ -n "$_prefix" ]; then
 		echo "."