server: Add support for system processes, that can be signaled to exit when all non-system processes are done.
diff --git a/server/request.h b/server/request.h
index 90a0c6c..10b6cbe 100644
--- a/server/request.h
+++ b/server/request.h
@@ -329,6 +329,7 @@
 DECL_HANDLER(create_device);
 DECL_HANDLER(delete_device);
 DECL_HANDLER(get_next_device_request);
+DECL_HANDLER(make_process_system);
 
 #ifdef WANT_REQUEST_HANDLERS
 
@@ -554,6 +555,7 @@
     (req_handler)req_create_device,
     (req_handler)req_delete_device,
     (req_handler)req_get_next_device_request,
+    (req_handler)req_make_process_system,
 };
 #endif  /* WANT_REQUEST_HANDLERS */