1 #ifndef BABELTRACE_GRAPH_COMPONENT_CONST_H
2 #define BABELTRACE_GRAPH_COMPONENT_CONST_H
5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
6 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 /* For bt_component_class_type */
28 #include <babeltrace/graph/component-class-const.h>
31 * For bt_bool, bt_component_class, bt_component_graph, bt_component,
34 #include <babeltrace/types.h>
41 * Get component's name.
43 * @param component Component instance of which to get the name
44 * @returns Returns a pointer to the component's name
46 extern const char *bt_component_get_name(const bt_component
*component
);
49 * Get component's class.
51 * @param component Component instance of which to get the class
52 * @returns The component's class
54 extern const bt_component_class
*bt_component_borrow_class_const(
55 const bt_component
*component
);
57 extern bt_component_class_type
bt_component_get_class_type(
58 const bt_component
*component
);
61 bt_bool
bt_component_is_source(const bt_component
*component
)
63 return bt_component_get_class_type(component
) ==
64 BT_COMPONENT_CLASS_TYPE_SOURCE
;
68 bt_bool
bt_component_is_filter(const bt_component
*component
)
70 return bt_component_get_class_type(component
) ==
71 BT_COMPONENT_CLASS_TYPE_FILTER
;
75 bt_bool
bt_component_is_sink(const bt_component
*component
)
77 return bt_component_get_class_type(component
) ==
78 BT_COMPONENT_CLASS_TYPE_SINK
;
81 extern bt_bool
bt_component_graph_is_canceled(
82 const bt_component
*component
);
84 extern void bt_component_get_ref(const bt_component
*component
);
86 extern void bt_component_put_ref(const bt_component
*component
);
88 #define BT_COMPONENT_PUT_REF_AND_RESET(_var) \
90 bt_component_put_ref(_var); \
94 #define BT_COMPONENT_MOVE_REF(_var_dst, _var_src) \
96 bt_component_put_ref(_var_dst); \
97 (_var_dst) = (_var_src); \
105 #endif /* BABELTRACE_GRAPH_COMPONENT_CONST_H */