#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
* 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_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
}