From dad32f953222ceaeacbcb3f9354e397118a679b1 Mon Sep 17 00:00:00 2001
From: Tyler Bunnell <tylerbunnell@gmail.com>
Date: Mon, 19 May 2014 21:00:24 -0600
Subject: [PATCH] Switch to RWMutex

---
 context.go | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/context.go b/context.go
index bcc3faa..3c55c5f 100644
--- a/context.go
+++ b/context.go
@@ -11,7 +11,7 @@ import (
 )
 
 var (
-	mutex sync.Mutex
+	mutex sync.RWMutex
 	data  = make(map[*http.Request]map[interface{}]interface{})
 	datat = make(map[*http.Request]int64)
 )
@@ -29,8 +29,8 @@ func Set(r *http.Request, key, val interface{}) {
 
 // Get returns a value stored for a given key in a given request.
 func Get(r *http.Request, key interface{}) interface{} {
-	mutex.Lock()
-	defer mutex.Unlock()
+	mutex.RLock()
+	defer mutex.RUnlock()
 	if data[r] != nil {
 		return data[r][key]
 	}
@@ -39,8 +39,8 @@ func Get(r *http.Request, key interface{}) interface{} {
 
 // GetOk returns stored value and presence state like multi-value return of map access.
 func GetOk(r *http.Request, key interface{}) (interface{}, bool) {
-	mutex.Lock()
-	defer mutex.Unlock()
+	mutex.RLock()
+	defer mutex.RUnlock()
 	if _, ok := data[r]; ok {
 		value, ok := data[r][key]
 		return value, ok
@@ -50,8 +50,8 @@ func GetOk(r *http.Request, key interface{}) (interface{}, bool) {
 
 // GetAll returns all stored values for the request as a map. Nil is returned for invalid requests.
 func GetAll(r *http.Request) map[interface{}]interface{} {
-	mutex.Lock()
-	defer mutex.Unlock()
+	mutex.RLock()
+	defer mutex.RUnlock()
 
 	if context, ok := data[r]; ok {
 		return context
@@ -62,8 +62,8 @@ func GetAll(r *http.Request) map[interface{}]interface{} {
 // GetAllOk returns all stored values for the request as a map. It returns not
 // ok if the request was never registered.
 func GetAllOk(r *http.Request) (map[interface{}]interface{}, bool) {
-	mutex.Lock()
-	defer mutex.Unlock()
+	mutex.RLock()
+	defer mutex.RUnlock()
 
 	context, ok := data[r]
 	return context, ok