X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fcomponent%2Fgraph-internal.h;h=0084628af5bd987e5ebafd571f0cc28c35d90056;hb=1bf957a039dfe5a1cd00659779fdb004aacd706b;hp=7da6255fa92fdda33efe1534ea01b8f2e63f7d62;hpb=72b913fbad1753b5b122bfb54c1e7936eaf9d0ef;p=babeltrace.git

diff --git a/include/babeltrace/component/graph-internal.h b/include/babeltrace/component/graph-internal.h
index 7da6255f..0084628a 100644
--- a/include/babeltrace/component/graph-internal.h
+++ b/include/babeltrace/component/graph-internal.h
@@ -32,6 +32,9 @@
 #include <babeltrace/object-internal.h>
 #include <glib.h>
 
+struct bt_component;
+struct bt_port;
+
 struct bt_graph {
 	/**
 	 * A component graph contains components and point-to-point connection
@@ -51,6 +54,28 @@ struct bt_graph {
 	GPtrArray *components;
 	/* Queue of pointers (weak references) to sink bt_components. */
 	GQueue *sinks_to_consume;
+
+	struct {
+		GArray *port_added;
+		GArray *port_removed;
+		GArray *port_connected;
+		GArray *port_disconnected;
+	} listeners;
 };
 
+BT_HIDDEN
+void bt_graph_notify_port_added(struct bt_graph *graph, struct bt_port *port);
+
+BT_HIDDEN
+void bt_graph_notify_port_removed(struct bt_graph *graph,
+		struct bt_component *comp, struct bt_port *port);
+
+BT_HIDDEN
+void bt_graph_notify_port_connected(struct bt_graph *graph,
+		struct bt_port *port);
+
+BT_HIDDEN
+void bt_graph_notify_port_disconnected(struct bt_graph *graph,
+		struct bt_component *comp, struct bt_port *port);
+
 #endif /* BABELTRACE_COMPONENT_COMPONENT_GRAPH_INTERNAL_H */