1 files changed, 10 insertions, 2 deletions
diff --git a/include/mbgl/storage/file_source.hpp b/include/mbgl/storage/file_source.hpp
index 8517d6e4a6..30e88c39f6 100644
--- a/include/mbgl/storage/file_source.hpp
+++ b/include/mbgl/storage/file_source.hpp
@@ -15,6 +15,7 @@ typedef struct uv_loop_s uv_loop_t;
 namespace mbgl {
 
 class Request;
+class Environment;
 
 class FileSource : private util::noncopyable {
 protected:
@@ -27,12 +28,19 @@ public:
 
     // These can be called from any thread. The callback will be invoked in the loop.
     // You can only cancel a request from the same thread it was created in.
-    virtual Request *request(const Resource &resource, uv_loop_t *loop, Callback callback) = 0;
+    virtual Request *request(const Resource &resource, uv_loop_t *loop, const Environment &env,
+                             Callback callback) = 0;
     virtual void cancel(Request *request) = 0;
 
     // These can be called from any thread. The callback will be invoked in an arbitrary other thread.
     // You cannot cancel these requests.
-    virtual void request(const Resource &resource, Callback callback) = 0;
+    virtual void request(const Resource &resource, const Environment &env, Callback callback) = 0;
+
+    // This can be called from any thread. All requests with the environment pointer env should be
+    // notified as errored. Note that this is /different/ from canceling requests; a canceled
+    // request's callback is never called, while an aborted request's callback is called with
+    // a error message.
+    virtual void abort(const Environment &env) = 0;
 };
 
 }