+ if (vlib_num_workers ())
+ {
+ /* The request came over the binary api and the inband cli handler
+ * is not mp_safe. Drop the barrier to make sure the workers are not
+ * blocked.
+ */
+ if (vlib_thread_is_main_w_barrier ())
+ {
+ barrier_acq_needed = 1;
+ vlib_worker_thread_barrier_release (vm);
+ }
+ /*
+ * There's a good chance that both the client and the server echo
+ * apps will be enabled so make sure the session queue node polls on
+ * the main thread as connections will probably be established on it.
+ */
+ vlib_node_set_state (vm, session_queue_node.index,
+ VLIB_NODE_STATE_POLLING);
+ }
+