From 5b599ab5ec703524862fef71c51a8486eb043537 Mon Sep 17 00:00:00 2001
From: Mikio Hara <mikioh.mikioh@gmail.com>
Date: Wed, 5 Jun 2013 20:08:10 +0900
Subject: [PATCH] go.net/ipv6: add Close method to PacketConn

R=dave
CC=golang-dev
https://golang.org/cl/9961046
---
 ipv6/endpoint.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ipv6/endpoint.go b/ipv6/endpoint.go
index aa19587d..ac816c8e 100644
--- a/ipv6/endpoint.go
+++ b/ipv6/endpoint.go
@@ -72,6 +72,14 @@ func (c *PacketConn) SetControlMessage(cf ControlFlags, on bool) error {
 	return setControlMessage(fd, &c.payloadHandler.rawOpt, cf, on)
 }
 
+// Close closes the endpoint.
+func (c *PacketConn) Close() error {
+	if !c.payloadHandler.ok() {
+		return syscall.EINVAL
+	}
+	return c.payloadHandler.PacketConn.Close()
+}
+
 // NewPacketConn returns a new PacketConn using c as its underlying
 // transport.
 func NewPacketConn(c net.PacketConn) *PacketConn {