Add CachingHTTPFileSource::clearLoop()

So loop state can be cleaned up in the appropriate thread.
This is a hack; loop needs to be externalized from Map.

Fixes #686

2 files changed, 4 insertions, 0 deletions

diff --git a/include/mbgl/storage/caching_http_file_source.hpp b/include/mbgl/storage/caching_http_file_source.hpp
index 403db31838..f566acf49e 100644
--- a/include/mbgl/storage/caching_http_file_source.hpp
+++ b/include/mbgl/storage/caching_http_file_source.hpp
@@ -21,6 +21,7 @@ public:
     // Stores and checks the libuv loop for requests
     void setLoop(uv_loop_t*);
     bool hasLoop();
+    void clearLoop();
 
     // Stores and retrieves the base path/URL for relative requests
     void setBase(const std::string &value);
diff --git a/include/mbgl/storage/file_source.hpp b/include/mbgl/storage/file_source.hpp
index c8f6217877..69a0060f6a 100644
--- a/include/mbgl/storage/file_source.hpp
+++ b/include/mbgl/storage/file_source.hpp
@@ -16,8 +16,11 @@ namespace mbgl {
 class FileSource : public util::noncopyable {
 public:
     virtual ~FileSource() = default;
+
     virtual void setLoop(uv_loop_t*) = 0;
     virtual bool hasLoop() = 0;
+    virtual void clearLoop() = 0;
+
     virtual void setBase(const std::string &value) = 0;
     virtual std::unique_ptr<Request> request(ResourceType type, const std::string &url) = 0;
     virtual void prepare(std::function<void()> fn) = 0;