Add a comment.

diff --git a/src/lib/signal_manager.h b/src/lib/signal_manager.h
index 13a45b640cede8a6d8930b0b70dcb43e56ba8031..8041005cfd3fcb411b6d009b3c05cfb17d1ef2b2 100644 (file)
--- a/src/lib/signal_manager.h
+++ b/src/lib/signal_manager.h
@@ -47,7 +47,9 @@ public:
                _service.post (f);
        }
 
-       /** Call this in the UI when it is idle */
+       /** Call this in the UI when it is idle.
+        *  @return Number of idle handlers that were executed.
+        */
        size_t ui_idle () {
                /* This executes one of the functors that has been post()ed to _service */
                return _service.poll_one ();