1 files changed, 6 insertions, 0 deletions
diff --git a/src/nxt_router.h b/src/nxt_router.h
index 7071f8c3..b4560a37 100644
--- a/src/nxt_router.h
+++ b/src/nxt_router.h
@@ -34,6 +34,12 @@ typedef struct {
 typedef struct {
     nxt_event_engine_t     *engine;
     nxt_work_t             *jobs;
+
+    enum {
+        NXT_ROUTER_ENGINE_KEEP = 0,
+        NXT_ROUTER_ENGINE_ADD,
+        NXT_ROUTER_ENGINE_DELETE,
+    }                      action;
 } nxt_router_engine_conf_t;