1 files changed, 5 insertions, 0 deletions
diff --git a/src/rt/circular_buffer.h b/src/rt/circular_buffer.h
index 10eef04f803..f632ff73ee6 100644
--- a/src/rt/circular_buffer.h
+++ b/src/rt/circular_buffer.h
@@ -36,6 +36,11 @@ public:
     size_t size();
 
 private:
+    // private and undefined to disable copying
+    circular_buffer(const circular_buffer& rhs);
+    circular_buffer& operator=(const circular_buffer& rhs);
+    
+private:
     size_t initial_size();
     void grow();
     void shrink();