Added connectivity tests, fixed bugs
diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index 1429737..5af8123 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h
@@ -105,6 +105,8 @@
   void *set_accept_stream_user_data;
   /** add this transport to a pollset */
   grpc_pollset *bind_pollset;
+  /** add this transport to a pollset_set */
+  grpc_pollset_set *bind_pollset_set;
   /** send a ping, call this back if not NULL */
   grpc_iomgr_closure *send_ping;
 } grpc_transport_op;