From ed73bdcfab4ca1a80da73cc3764d733cc1b2c8dd Mon Sep 17 00:00:00 2001
From: HANG ZHOU <zhlicen@gmail.com>
Date: Tue, 5 Dec 2017 16:18:56 +0800
Subject: [PATCH] Add lock while releasing session

Solve the problem of SessionRead failure while ReleaseSession is in progress
---
 session/sess_file.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/session/sess_file.go b/session/sess_file.go
index 3ca93d55..7be6ccad 100644
--- a/session/sess_file.go
+++ b/session/sess_file.go
@@ -78,6 +78,8 @@ func (fs *FileSessionStore) SessionID() string {
 
 // SessionRelease Write file session to local file with Gob string
 func (fs *FileSessionStore) SessionRelease(w http.ResponseWriter) {
+	filepder.lock.Lock()
+	defer filepder.lock.Unlock()
 	b, err := EncodeGob(fs.values)
 	if err != nil {
 		SLogger.Println(err)