1 files changed, 4 insertions, 0 deletions
diff --git a/src/swap.hpp b/src/swap.hpp
index bc62fcd..503d35f 100644
--- a/src/swap.hpp
+++ b/src/swap.hpp
@@ -111,6 +111,10 @@ namespace zmq
         char *write_buf;
 
         int64_t write_buf_start_addr;
+
+        //  Disable copying of the swap object.
+        swap_t (const swap_t&);
+        const swap_t &operator = (const swap_t&);
     };
 
 }