Make bt_graph_add_*_listener() function return a listener ID

[babeltrace.git] / include / babeltrace / graph / graph.h

diff --git a/include/babeltrace/graph/graph.h b/include/babeltrace/graph/graph.h
index ce83268a69f846834c6b5b3e38aa317507344120..06f2af1b122407a46b07e29465a1fec1969f0d15 100644 (file)
--- a/include/babeltrace/graph/graph.h
+++ b/include/babeltrace/graph/graph.h
@@ -92,20 +92,16 @@ extern enum bt_graph_status bt_graph_run(struct bt_graph *graph);
  */
 extern enum bt_graph_status bt_graph_consume(struct bt_graph *graph);
 
-extern enum bt_graph_status bt_graph_add_port_added_listener(
-               struct bt_graph *graph,
+extern int bt_graph_add_port_added_listener(struct bt_graph *graph,
                bt_graph_port_added_listener listener, void *data);
 
-extern enum bt_graph_status bt_graph_add_port_removed_listener(
-               struct bt_graph *graph,
+extern int bt_graph_add_port_removed_listener(struct bt_graph *graph,
                bt_graph_port_removed_listener listener, void *data);
 
-extern enum bt_graph_status bt_graph_add_ports_connected_listener(
-               struct bt_graph *graph,
+extern int bt_graph_add_ports_connected_listener(struct bt_graph *graph,
                bt_graph_ports_connected_listener listener, void *data);
 
-extern enum bt_graph_status bt_graph_add_ports_disconnected_listener(
-               struct bt_graph *graph,
+extern int bt_graph_add_ports_disconnected_listener(struct bt_graph *graph,
                bt_graph_ports_disconnected_listener listener, void *data);
 
 extern enum bt_graph_status bt_graph_cancel(struct bt_graph *graph);