From 573df2e74703d8a7c37f81456fd66e3d402c1ae7 Mon Sep 17 00:00:00 2001
From: astaxie <xiemengjun@gmail.com>
Date: Wed, 26 Jun 2013 22:13:25 +0800
Subject: [PATCH] add isclose call close many times

---
 reload.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/reload.go b/reload.go
index 3d91b9f5..eb5f383e 100644
--- a/reload.go
+++ b/reload.go
@@ -27,12 +27,16 @@ var ErrInitStart = errors.New("init from")
 // Allows for us to notice when the connection is closed.
 type conn struct {
 	net.Conn
-	wg *sync.WaitGroup
+	wg      *sync.WaitGroup
+	isclose bool
 }
 
 func (c conn) Close() error {
 	err := c.Conn.Close()
-	c.wg.Done()
+	if !c.isclose {
+		c.wg.Done()
+		c.isclose = true
+	}
 	return err
 }