lib: plugin: reset pointers to `NULL` on destruction
[babeltrace.git] / include / babeltrace / graph / private-component-class.h
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1#ifndef BABELTRACE_GRAPH_PRIVATE_COMPONENT_CLASS_H
2#define BABELTRACE_GRAPH_PRIVATE_COMPONENT_CLASS_H
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3
4/*
d94d92ac 5 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
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26/* For enum bt_query_status */
27#include <babeltrace/graph/query-executor.h>
28
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29#ifdef __cplusplus
30extern "C" {
31#endif
32
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33struct bt_component_class;
34struct bt_private_component_class;
e5be10ef 35
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36static inline
37struct bt_component_class *
38bt_private_component_class_borrow_component_class(
39 struct bt_private_component_class *priv_comp_cls)
40{
41 return (void *) priv_comp_cls;
42}
e5be10ef 43
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44extern int bt_private_component_class_set_description(
45 struct bt_private_component_class *component_class,
46 const char *description);
e5be10ef 47
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48extern int bt_private_component_class_set_help(
49 struct bt_private_component_class *component_class,
50 const char *help);
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51
52#ifdef __cplusplus
53}
54#endif
55
d94d92ac 56#endif /* BABELTRACE_GRAPH_PRIVATE_COMPONENT_CLASS_H */
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