1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// SPDX-FileCopyrightText: 2024 Olivier Dion <odion@efficios.com>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#ifndef _URCU_UATOMIC_API_H
#define _URCU_UATOMIC_API_H
/*
* Select second argument. Use inside macros to implement optional last macro
* argument, such as:
*
* #define macro(_a, _b, _c, _optional...) \
* _uatomic_select_arg1(_, ##_optional, do_default_macro())
*/
#define _uatomic_select_arg1(arg0, arg1, ...) arg1
/*
* Like _uatomic_select_arg2(), but can be used for selecting a second optional
* argument.
*/
#define _uatomic_select_arg2(arg0, arg1, arg2, ...) arg2
#define _uatomic_default_mo(dflt, mo...) \
_uatomic_select_arg1(_, ##mo, dflt)
#define _uatomic_default_mo2(dflt, mo...) \
_uatomic_select_arg2(_, ##mo, dflt, dflt)
#define uatomic_load(addr, mo...) \
uatomic_load_mo(addr, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_read(addr, mo...) \
uatomic_load_mo(addr, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_store(addr, value, mo...) \
uatomic_store_mo(addr, value, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_set(addr, value, mo...) \
uatomic_store_mo(addr, value, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_add_return(addr, v, mo...) \
uatomic_add_return_mo(addr, v, _uatomic_default_mo(CMM_SEQ_CST_FENCE, ##mo))
#define uatomic_sub_return(addr, v, mo...) \
uatomic_sub_return_mo(addr, v, _uatomic_default_mo(CMM_SEQ_CST_FENCE, ##mo))
#define uatomic_and(addr, mask, mo...) \
uatomic_and_mo(addr, mask, _uatomic_default_mo(CMM_SEQ_CST, ##mo))
#define uatomic_or(addr, mask, mo...) \
uatomic_or_mo(addr, mask, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_add(addr, v, mo...) \
uatomic_add_mo(addr, v, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_sub(addr, v, mo...) \
uatomic_sub_mo(addr, v, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_inc(addr, mo...) \
uatomic_inc_mo(addr, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_dec(addr, mo...) \
uatomic_dec_mo(addr, _uatomic_default_mo(CMM_RELAXED, ##mo))
#define uatomic_xchg(addr, value, mo...) \
uatomic_xchg_mo(addr, value, \
_uatomic_default_mo(CMM_SEQ_CST_FENCE, ##mo))
#define uatomic_cmpxchg(addr, value, _new, mo...) \
uatomic_cmpxchg_mo(addr, value, _new, \
_uatomic_default_mo(CMM_SEQ_CST_FENCE, ##mo), \
_uatomic_default_mo2(CMM_RELAXED, ##mo))
#endif /* _URUC_UATOMIC_API_H */
|
