lib: make graph API const-correct
[babeltrace.git] / include / babeltrace / trace-ir / event-const.h
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1#ifndef BABELTRACE_TRACE_IR_EVENT_CONST_H
2#define BABELTRACE_TRACE_IR_EVENT_CONST_H
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3
4/*
c057dea0 5 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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6 *
7 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 *
27 * The Common Trace Format (CTF) Specification is available at
28 * http://www.efficios.com/ctf
29 */
30
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31/* For enum bt_clock_value_status */
32#include <babeltrace/trace-ir/clock-value-const.h>
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33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
40f4ba76 38struct bt_event;
50842bdc 39struct bt_clock_value;
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40struct bt_event_class;
41struct bt_field;
42struct bt_packet;
c057dea0 43
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44extern const struct bt_event_class *bt_event_borrow_class_const(
45 const struct bt_event *event);
44c440bc 46
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47extern const struct bt_packet *bt_event_borrow_packet_const(
48 const struct bt_event *event);
094ff7c0 49
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50extern const struct bt_stream *bt_event_borrow_stream_const(
51 const struct bt_event *event);
094ff7c0 52
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53extern const struct bt_field *bt_event_borrow_header_field_const(
54 const struct bt_event *event);
55
56extern const struct bt_field *bt_event_borrow_common_context_field_const(
57 const struct bt_event *event);
58
59extern const struct bt_field *bt_event_borrow_specific_context_field_const(
60 const struct bt_event *event);
61
62extern const struct bt_field *bt_event_borrow_payload_field_const(
63 const struct bt_event *event);
64
65extern enum bt_clock_value_status bt_event_borrow_default_clock_value_const(
66 const struct bt_event *event,
67 const struct bt_clock_value **clock_value);
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68
69#ifdef __cplusplus
70}
71#endif
72
40f4ba76 73#endif /* BABELTRACE_TRACE_IR_EVENT_CONST_H */
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