lib: make public reference count functions have strict types
[babeltrace.git] / include / babeltrace / trace-ir / clock-class-const.h
1 #ifndef BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H
2 #define BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H
3
4 /*
5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
6 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
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>
31
32 /* For bt_bool, bt_uuid */
33 #include <babeltrace/types.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 struct bt_clock_class;
40
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);
55
56 extern bt_bool bt_clock_class_is_absolute(
57 const struct bt_clock_class *clock_class);
58
59 extern bt_uuid bt_clock_class_get_uuid(
60 const struct bt_clock_class *clock_class);
61
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);
65
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
83 #ifdef __cplusplus
84 }
85 #endif
86
87 #endif /* BABELTRACE_TRACE_IR_CLOCK_CLASS_CONST_H */
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