1 files changed, 7 insertions, 1 deletions
diff --git a/include/mbgl/storage/default/request.hpp b/include/mbgl/storage/default/request.hpp
index 648585f304..b686d1fe90 100644
--- a/include/mbgl/storage/default/request.hpp
+++ b/include/mbgl/storage/default/request.hpp
@@ -15,13 +15,14 @@ typedef struct uv_loop_s uv_loop_t;
 namespace mbgl {
 
 class Response;
+class Environment;
 
 class Request : private util::noncopyable {
     MBGL_STORE_THREAD(tid)
 
 public:
     using Callback = std::function<void(const Response &)>;
-    Request(const Resource &resource, uv_loop_t *loop, Callback callback);
+    Request(const Resource &resource, uv_loop_t *loop, const Environment &env, Callback callback);
 
 public:
     // May be called from any thread.
@@ -45,6 +46,11 @@ private:
 
 public:
     const Resource resource;
+
+    // The environment ref is used to associate requests with a particular environment. This allows
+    // us to only terminate requests associated with that environment, e.g. when the map the env
+    // belongs to is discarded.
+    const Environment &env;
 };
 
 }