From 5cf0fc0f8bb3f66fd7844cae73efca1a4c2d94f5 Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Fri, 26 May 2017 18:40:49 +0300
Subject: [core] default file source - ensure thread safety for cached values

---
 include/mbgl/storage/default_file_source.hpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'include')

diff --git a/include/mbgl/storage/default_file_source.hpp b/include/mbgl/storage/default_file_source.hpp
index 1e60d2bc5a..f929334f28 100644
--- a/include/mbgl/storage/default_file_source.hpp
+++ b/include/mbgl/storage/default_file_source.hpp
@@ -5,6 +5,7 @@
 #include <mbgl/util/constants.hpp>
 
 #include <vector>
+#include <mutex>
 
 namespace mbgl {
 
@@ -34,10 +35,10 @@ public:
     }
 
     void setAPIBaseURL(const std::string&);
-    std::string getAPIBaseURL() const;
+    std::string getAPIBaseURL();
 
     void setAccessToken(const std::string&);
-    std::string getAccessToken() const;
+    std::string getAccessToken();
 
     void setResourceTransform(std::function<std::string(Resource::Kind, std::string&&)>);
 
@@ -143,7 +144,11 @@ private:
     // Shared so destruction is done on this thread
     const std::shared_ptr<FileSource> assetFileSource;
     const std::unique_ptr<util::Thread<Impl>> thread;
+
+    std::mutex cachedBaseURLMutex;
     std::string cachedBaseURL = mbgl::util::API_BASE_URL;
+
+    std::mutex cachedAccessTokenMutex;
     std::string cachedAccessToken;
 };
 
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