#define BABELTRACE_GRAPH_COMPONENT_CONST_H
/*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2015 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 enum bt_component_class_type */
+/* For bt_component_class_type */
#include <babeltrace/graph/component-class-const.h>
-/* For bt_bool */
+/*
+ * For bt_bool, bt_component_class, bt_component_graph, bt_component,
+ * bt_value, bt_port
+ */
#include <babeltrace/types.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_component_class;
-struct bt_component_graph;
-struct bt_component;
-struct bt_value;
-struct bt_port;
-
/**
* Get component's name.
*
* @param component Component instance of which to get the name
* @returns Returns a pointer to the component's name
*/
-extern const char *bt_component_get_name(const struct bt_component *component);
+extern const char *bt_component_get_name(const bt_component *component);
/**
* Get component's class.
* @param component Component instance of which to get the class
* @returns The component's class
*/
-extern const struct bt_component_class *bt_component_borrow_class_const(
- const struct bt_component *component);
+extern const bt_component_class *bt_component_borrow_class_const(
+ const bt_component *component);
-extern enum bt_component_class_type bt_component_get_class_type(
- const struct bt_component *component);
+extern bt_component_class_type bt_component_get_class_type(
+ const bt_component *component);
static inline
-bt_bool bt_component_is_source(const struct bt_component *component)
+bt_bool bt_component_is_source(const bt_component *component)
{
return bt_component_get_class_type(component) ==
BT_COMPONENT_CLASS_TYPE_SOURCE;
}
static inline
-bt_bool bt_component_is_filter(const struct bt_component *component)
+bt_bool bt_component_is_filter(const bt_component *component)
{
return bt_component_get_class_type(component) ==
BT_COMPONENT_CLASS_TYPE_FILTER;
}
static inline
-bt_bool bt_component_is_sink(const struct bt_component *component)
+bt_bool bt_component_is_sink(const bt_component *component)
{
return bt_component_get_class_type(component) ==
BT_COMPONENT_CLASS_TYPE_SINK;
}
extern bt_bool bt_component_graph_is_canceled(
- const struct bt_component *component);
+ const bt_component *component);
+
+extern void bt_component_get_ref(const bt_component *component);
+
+extern void bt_component_put_ref(const bt_component *component);
+
+#define BT_COMPONENT_PUT_REF_AND_RESET(_var) \
+ do { \
+ bt_component_put_ref(_var); \
+ (_var) = NULL; \
+ } while (0)
+
+#define BT_COMPONENT_MOVE_REF(_var_dst, _var_src) \
+ do { \
+ bt_component_put_ref(_var_dst); \
+ (_var_dst) = (_var_src); \
+ (_var_src) = NULL; \
+ } while (0)
#ifdef __cplusplus
}