lib: make the "port connected" method return a status
[babeltrace.git] / include / babeltrace / graph / notification-stream.h
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1#ifndef BABELTRACE_GRAPH_NOTIFICATION_STREAM_H
2#define BABELTRACE_GRAPH_NOTIFICATION_STREAM_H
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3
4/*
5 * BabelTrace - Plug-in Stream-related Notifications
6 *
7 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 *
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * SOFTWARE.
28 */
29
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30/* For bt_get() */
31#include <babeltrace/ref.h>
32
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33#ifdef __cplusplus
34extern "C" {
35#endif
36
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37struct bt_notification;
38struct bt_stream;
9d408fca 39
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40extern
41struct bt_notification *bt_notification_stream_begin_create(
42 struct bt_graph *graph,
50842bdc 43 struct bt_stream *stream);
3230ee6b 44
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45extern
46struct bt_notification *bt_notification_stream_end_create(
47 struct bt_graph *graph,
50842bdc 48 struct bt_stream *stream);
3230ee6b 49
094ff7c0 50extern struct bt_stream *bt_notification_stream_begin_borrow_stream(
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51 struct bt_notification *notification);
52
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53static inline
54struct bt_stream *bt_notification_stream_begin_get_stream(
55 struct bt_notification *notification)
56{
57 return bt_get(bt_notification_stream_begin_borrow_stream(notification));
58}
59
60extern struct bt_stream *bt_notification_stream_end_borrow_stream(
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61 struct bt_notification *notification);
62
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63static inline
64struct bt_stream *bt_notification_stream_end_get_stream(
65 struct bt_notification *notification)
66{
67 return bt_get(bt_notification_stream_end_borrow_stream(notification));
68}
69
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70#ifdef __cplusplus
71}
72#endif
73
1ca80abd 74#endif /* BABELTRACE_GRAPH_NOTIFICATION_STREAM_H */
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