1 files changed, 2 insertions, 0 deletions
diff --git a/src/i_engine.hpp b/src/i_engine.hpp
index 81b56df..bb5f391 100644
--- a/src/i_engine.hpp
+++ b/src/i_engine.hpp
@@ -41,6 +41,8 @@ namespace zmq
         //  are messages to send available.
         virtual void revive () = 0;
 
+        virtual void resume_input () = 0;
+
         //  Engine should add the prefix supplied to all inbound messages.
         virtual void add_prefix (const blob_t &identity_) = 0;