1 files changed, 3 insertions, 0 deletions
diff --git a/src/pipe.hpp b/src/pipe.hpp
index a155e95..771081c 100644
--- a/src/pipe.hpp
+++ b/src/pipe.hpp
@@ -100,6 +100,9 @@ namespace zmq
         //  message cannot be written because high watermark was reached.
         bool write (zmq_msg_t *msg_);
 
+        //  Remove any unflushed messages from the pipe.
+        void rollback ();
+
         //  Flush the messages downsteam.
         void flush ();