Fix: src.ctf.lttng-live: emitting stream end msg with no stream
[babeltrace.git] / include / babeltrace2 / trace-ir / clock-class-const.h
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1#ifndef BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H
2#define BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H
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3
4/*
0dcb770f 5 * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
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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.
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24 */
25
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26#ifndef __BT_IN_BABELTRACE_H
27# error "Please include <babeltrace2/babeltrace.h> instead."
28#endif
29
a62f9ba0 30#include <stdint.h>
a62f9ba0 31
71c5da58 32#include <babeltrace2/types.h>
78cf9df6 33
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34#ifdef __cplusplus
35extern "C" {
36#endif
37
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38extern const bt_value *bt_clock_class_borrow_user_attributes_const(
39 const bt_clock_class *clock_class);
40
78cf9df6 41extern const char *bt_clock_class_get_name(
8eee8ea2 42 const bt_clock_class *clock_class);
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43
44extern const char *bt_clock_class_get_description(
8eee8ea2 45 const bt_clock_class *clock_class);
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46
47extern uint64_t bt_clock_class_get_frequency(
8eee8ea2 48 const bt_clock_class *clock_class);
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49
50extern uint64_t bt_clock_class_get_precision(
8eee8ea2 51 const bt_clock_class *clock_class);
78cf9df6 52
8eee8ea2 53extern void bt_clock_class_get_offset(const bt_clock_class *clock_class,
78cf9df6 54 int64_t *seconds, uint64_t *cycles);
7b33a0e0 55
d608d675 56extern bt_bool bt_clock_class_origin_is_unix_epoch(
8eee8ea2 57 const bt_clock_class *clock_class);
5fe68922 58
78cf9df6 59extern bt_uuid bt_clock_class_get_uuid(
8eee8ea2 60 const bt_clock_class *clock_class);
5fe68922 61
fb25b9e3 62typedef enum bt_clock_class_cycles_to_ns_from_origin_status {
f67e22d1 63 BT_CLOCK_CLASS_CYCLES_TO_NS_FROM_ORIGIN_STATUS_OVERFLOW_ERROR = __BT_FUNC_STATUS_OVERFLOW_ERROR,
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64 BT_CLOCK_CLASS_CYCLES_TO_NS_FROM_ORIGIN_STATUS_OK = __BT_FUNC_STATUS_OK,
65} bt_clock_class_cycles_to_ns_from_origin_status;
66
67extern bt_clock_class_cycles_to_ns_from_origin_status
68bt_clock_class_cycles_to_ns_from_origin(
8eee8ea2 69 const bt_clock_class *clock_class,
78cf9df6 70 uint64_t cycles, int64_t *ns_from_origin);
a62f9ba0 71
8eee8ea2 72extern void bt_clock_class_get_ref(const bt_clock_class *clock_class);
8c6884d9 73
8eee8ea2 74extern void bt_clock_class_put_ref(const bt_clock_class *clock_class);
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75
76#define BT_CLOCK_CLASS_PUT_REF_AND_RESET(_var) \
77 do { \
78 bt_clock_class_put_ref(_var); \
79 (_var) = NULL; \
80 } while (0)
81
82#define BT_CLOCK_CLASS_MOVE_REF(_var_dst, _var_src) \
83 do { \
84 bt_clock_class_put_ref(_var_dst); \
85 (_var_dst) = (_var_src); \
86 (_var_src) = NULL; \
87 } while (0)
88
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89#ifdef __cplusplus
90}
91#endif
92
3fd40f46 93#endif /* BABELTRACE2_TRACE_IR_CLOCK_CLASS_CONST_H */
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