lib: strictly type function return status enumerations
[babeltrace.git] / include / babeltrace2 / trace-ir / stream-class-const.h
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1#ifndef BABELTRACE_TRACE_IR_STREAM_CLASS_CONST_H
2#define BABELTRACE_TRACE_IR_STREAM_CLASS_CONST_H
3
4/*
e2f7325d 5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
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6 * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
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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:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
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
24 * SOFTWARE.
25 *
26 * The Common Trace Format (CTF) Specification is available at
27 * http://www.efficios.com/ctf
28 */
29
30#include <stdint.h>
31
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32/*
33 * For bt_bool, bt_trace_class, bt_stream_class, bt_event_class,
83ebb7f1 34 * bt_stream_class
b19ff26f 35 */
3fadfbc0 36#include <babeltrace2/types.h>
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37
38#ifdef __cplusplus
39extern "C" {
40#endif
41
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42extern const bt_trace_class *bt_stream_class_borrow_trace_class_const(
43 const bt_stream_class *stream_class);
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44
45extern const char *bt_stream_class_get_name(
b19ff26f 46 const bt_stream_class *stream_class);
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47
48extern bt_bool bt_stream_class_assigns_automatic_event_class_id(
b19ff26f 49 const bt_stream_class *stream_class);
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50
51extern bt_bool bt_stream_class_assigns_automatic_stream_id(
b19ff26f 52 const bt_stream_class *stream_class);
40f4ba76 53
9b24b6aa 54extern bt_bool bt_stream_class_packets_have_beginning_default_clock_snapshot(
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55 const bt_stream_class *stream_class);
56
9b24b6aa 57extern bt_bool bt_stream_class_packets_have_end_default_clock_snapshot(
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58 const bt_stream_class *stream_class);
59
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60extern bt_bool bt_stream_class_supports_discarded_events(
61 const bt_stream_class *stream_class);
62
63extern bt_bool bt_stream_class_supports_discarded_packets(
64 const bt_stream_class *stream_class);
65
66extern bt_bool bt_stream_class_discarded_events_have_default_clock_snapshots(
67 const bt_stream_class *stream_class);
68
69extern bt_bool bt_stream_class_discarded_packets_have_default_clock_snapshots(
70 const bt_stream_class *stream_class);
71
40f4ba76 72extern uint64_t bt_stream_class_get_id(
b19ff26f 73 const bt_stream_class *stream_class);
40f4ba76 74
b19ff26f 75extern const bt_field_class *
40f4ba76 76bt_stream_class_borrow_packet_context_field_class_const(
b19ff26f 77 const bt_stream_class *stream_class);
40f4ba76 78
b19ff26f 79extern const bt_field_class *
40f4ba76 80bt_stream_class_borrow_event_common_context_field_class_const(
b19ff26f 81 const bt_stream_class *stream_class);
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82
83extern uint64_t bt_stream_class_get_event_class_count(
b19ff26f 84 const bt_stream_class *stream_class);
40f4ba76 85
b19ff26f 86extern const bt_event_class *
40f4ba76 87bt_stream_class_borrow_event_class_by_index_const(
b19ff26f 88 const bt_stream_class *stream_class, uint64_t index);
40f4ba76 89
b19ff26f 90extern const bt_event_class *
40f4ba76 91bt_stream_class_borrow_event_class_by_id_const(
b19ff26f 92 const bt_stream_class *stream_class, uint64_t id);
40f4ba76 93
b19ff26f 94extern const bt_clock_class *
40f4ba76 95bt_stream_class_borrow_default_clock_class_const(
b19ff26f 96 const bt_stream_class *stream_class);
40f4ba76 97
b19ff26f 98extern void bt_stream_class_get_ref(const bt_stream_class *stream_class);
c5b9b441 99
b19ff26f 100extern void bt_stream_class_put_ref(const bt_stream_class *stream_class);
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101
102#define BT_STREAM_CLASS_PUT_REF_AND_RESET(_var) \
103 do { \
104 bt_stream_class_put_ref(_var); \
105 (_var) = NULL; \
106 } while (0)
107
108#define BT_STREAM_CLASS_MOVE_REF(_var_dst, _var_src) \
109 do { \
110 bt_stream_class_put_ref(_var_dst); \
111 (_var_dst) = (_var_src); \
112 (_var_src) = NULL; \
113 } while (0)
114
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115#ifdef __cplusplus
116}
117#endif
118
119#endif /* BABELTRACE_TRACE_IR_STREAM_CLASS_CONST_H */
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