diff -r 1e117b5d6710 -r 9b15b1f72bef src/server/daemon/event_linux.h
--- a/src/server/daemon/event_linux.h	Sun Jun 02 13:07:48 2024 +0200
+++ b/src/server/daemon/event_linux.h	Sun Jun 02 14:28:17 2024 +0200
@@ -36,6 +36,8 @@
 extern "C" {
 #endif
 
+#define EV_MAX_EVENTS 32
+    
 struct EventHandler {
     /*
      * epoll fd
@@ -49,6 +51,14 @@
      * pipe write fd
      */
     int eventout;
+    /*
+     * return call list
+     */
+    EVReturn fnreturn[EV_MAX_EVENTS];
+    /*
+     * number of fnreturn entries
+     */
+    int numret;
 };
 
 void ev_handle_events(EventHandler *ev);