From 71adbdd7d7cb4632b4863397dcd9aa24a87c4e98 Mon Sep 17 00:00:00 2001
From: astaxie <xiemengjun@gmail.com>
Date: Wed, 26 Jun 2013 22:16:03 +0800
Subject: [PATCH] add mutex

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

diff --git a/reload.go b/reload.go
index eb5f383e..4e62b023 100644
--- a/reload.go
+++ b/reload.go
@@ -29,9 +29,12 @@ type conn struct {
 	net.Conn
 	wg      *sync.WaitGroup
 	isclose bool
+	lock    sync.Mutex
 }
 
 func (c conn) Close() error {
+	c.lock.Lock()
+	defer c.lock.Unlock()
 	err := c.Conn.Close()
 	if !c.isclose {
 		c.wg.Done()