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1 | #ifndef BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H |
2 | #define BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H | |
c057dea0 PP |
3 | |
4 | /* | |
40f4ba76 | 5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
e2f7325d | 6 | * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
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7 | * |
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> | |
c057dea0 | 31 | |
40f4ba76 PP |
32 | /* For bt_bool, bt_uuid */ |
33 | #include <babeltrace/types.h> | |
34 | ||
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35 | #ifdef __cplusplus |
36 | extern "C" { | |
37 | #endif | |
38 | ||
50842bdc | 39 | struct bt_clock_class; |
c057dea0 | 40 | |
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41 | extern const char *bt_clock_class_get_name( |
42 | const struct bt_clock_class *clock_class); | |
43 | ||
44 | extern const char *bt_clock_class_get_description( | |
45 | const struct bt_clock_class *clock_class); | |
46 | ||
47 | extern uint64_t bt_clock_class_get_frequency( | |
48 | const struct bt_clock_class *clock_class); | |
49 | ||
50 | extern uint64_t bt_clock_class_get_precision( | |
51 | const struct bt_clock_class *clock_class); | |
52 | ||
53 | extern void bt_clock_class_get_offset(const struct bt_clock_class *clock_class, | |
54 | int64_t *seconds, uint64_t *cycles); | |
44c440bc | 55 | |
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56 | extern bt_bool bt_clock_class_is_absolute( |
57 | const struct bt_clock_class *clock_class); | |
094ff7c0 | 58 | |
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59 | extern bt_uuid bt_clock_class_get_uuid( |
60 | const struct bt_clock_class *clock_class); | |
094ff7c0 | 61 | |
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62 | extern int bt_clock_class_cycles_to_ns_from_origin( |
63 | const struct bt_clock_class *clock_class, | |
64 | uint64_t cycles, int64_t *ns_from_origin); | |
c057dea0 | 65 | |
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66 | extern void bt_clock_class_get_ref(const struct bt_clock_class *clock_class); |
67 | ||
68 | extern void bt_clock_class_put_ref(const struct bt_clock_class *clock_class); | |
69 | ||
70 | #define BT_CLOCK_CLASS_PUT_REF_AND_RESET(_var) \ | |
71 | do { \ | |
72 | bt_clock_class_put_ref(_var); \ | |
73 | (_var) = NULL; \ | |
74 | } while (0) | |
75 | ||
76 | #define BT_CLOCK_CLASS_MOVE_REF(_var_dst, _var_src) \ | |
77 | do { \ | |
78 | bt_clock_class_put_ref(_var_dst); \ | |
79 | (_var_dst) = (_var_src); \ | |
80 | (_var_src) = NULL; \ | |
81 | } while (0) | |
82 | ||
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83 | #ifdef __cplusplus |
84 | } | |
85 | #endif | |
86 | ||
40f4ba76 | 87 | #endif /* BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H */ |