X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fgraph%2Fgraph-const.h;h=9cb12acfd02ad7ed62822b06e7bdb081f965fe18;hb=cd6128ca5412c3b9cb40afe2580008329f612930;hp=e2f24e0563a27d7a5c0b31107117709cd8a1dab3;hpb=0d72b8c329ad51d14ab4e83330b38c2c8da69dd4;p=babeltrace.git

diff --git a/include/babeltrace/graph/graph-const.h b/include/babeltrace/graph/graph-const.h
index e2f24e05..9cb12acf 100644
--- a/include/babeltrace/graph/graph-const.h
+++ b/include/babeltrace/graph/graph-const.h
@@ -2,10 +2,9 @@
 #define BABELTRACE_GRAPH_GRAPH_CONST_H
 
 /*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
  * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
@@ -25,27 +24,41 @@
  * SOFTWARE.
  */
 
-/* For bt_bool */
+/* For bt_bool, bt_graph */
 #include <babeltrace/types.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-struct bt_graph;
-
-enum bt_graph_status {
+typedef enum bt_graph_status {
 	BT_GRAPH_STATUS_OK = 0,
 	BT_GRAPH_STATUS_END = 1,
 	BT_GRAPH_STATUS_AGAIN = 11,
 	BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION = 111,
 	BT_GRAPH_STATUS_CANCELED = 125,
 	BT_GRAPH_STATUS_ERROR = -1,
-	BT_GRAPH_STATUS_NO_SINK = -6,
 	BT_GRAPH_STATUS_NOMEM = -12,
-};
+} bt_graph_status;
+
+extern bt_bool bt_graph_is_canceled(const bt_graph *graph);
+
+extern void bt_graph_get_ref(const bt_graph *graph);
+
+extern void bt_graph_put_ref(const bt_graph *graph);
+
+#define BT_GRAPH_PUT_REF_AND_RESET(_var)	\
+	do {					\
+		bt_graph_put_ref(_var);		\
+		(_var) = NULL;			\
+	} while (0)
 
-extern bt_bool bt_graph_is_canceled(const struct bt_graph *graph);
+#define BT_GRAPH_MOVE_REF(_var_dst, _var_src)	\
+	do {					\
+		bt_graph_put_ref(_var_dst);	\
+		(_var_dst) = (_var_src);	\
+		(_var_src) = NULL;		\
+	} while (0)
 
 #ifdef __cplusplus
 }