Add graph cancellation API

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

diff --git a/include/babeltrace/graph/graph.h b/include/babeltrace/graph/graph.h
index cb14c7daa2c74e6a63dffa93b0f764112bc7a20c..b89aaa82b57d03b28c13318707cc4f78aacfd452 100644 (file)
--- a/include/babeltrace/graph/graph.h
+++ b/include/babeltrace/graph/graph.h
@@ -28,6 +28,7 @@
  */
 
 #include <babeltrace/graph/component.h>
+#include <babeltrace/types.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -50,6 +51,8 @@ enum bt_graph_status {
        BT_GRAPH_STATUS_NO_SINK = -6,
        /** General error. */
        BT_GRAPH_STATUS_ERROR = -1,
+       /** Canceled. */
+       BT_GRAPH_STATUS_CANCELED = -125,
 };
 
 typedef void (*bt_graph_port_added_listener)(struct bt_port *port,
@@ -114,6 +117,9 @@ extern enum bt_graph_status 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);
+extern bt_bool bt_graph_is_canceled(struct bt_graph *graph);
+
 #ifdef __cplusplus
 }
 #endif