From 503997660b52dcd6bc3c0cc7bd2c9263252224d7 Mon Sep 17 00:00:00 2001
From: fangdingjun <fangdingjun@szchuzhong.com>
Date: Mon, 9 Jul 2018 11:24:17 +0800
Subject: [PATCH] add lock on close

---
 conn.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/conn.go b/conn.go
index f3512eb..cb2dcb9 100644
--- a/conn.go
+++ b/conn.go
@@ -317,6 +317,9 @@ func (c *ServerConn) serve(s *ServerStream) {
 
 // Close close the server connection
 func (c *ServerConn) Close() error {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+
 	if c.closed {
 		return nil
 	}