1 files changed, 10 insertions, 0 deletions
diff --git a/cpp/include/Ice/AsyncResult.h b/cpp/include/Ice/AsyncResult.h
index e2c1d53d53b..639a44ed278 100644
--- a/cpp/include/Ice/AsyncResult.h
+++ b/cpp/include/Ice/AsyncResult.h
@@ -62,6 +62,16 @@ public:
     static void check(const AsyncResultPtr&, const Connection*, const ::std::string&);
     static void check(const AsyncResultPtr&, const Communicator*, const ::std::string&);
 
+    class Callback : public IceUtil::Shared
+    {
+    public:
+
+        virtual void run() = 0;
+    };
+    typedef IceUtil::Handle<Callback> CallbackPtr;
+
+    virtual void scheduleCallback(const CallbackPtr&) = 0;
+
 protected:
 
     static void check(const AsyncResultPtr&, const ::std::string&);