blob: 5c7434d9bd0fd4b96f72c7c2bac723d585d8574e (
plain)
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
* Copyright (c) 2014 Andrey Semashev
*/
/*!
* \file atomic/capabilities.hpp
*
* This header defines feature capabilities macros.
*/
#ifndef BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
#define BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/platform.hpp>
#include <boost/atomic/detail/int_sizes.hpp>
#if !defined(BOOST_ATOMIC_NO_FLOATING_POINT)
#include <boost/atomic/detail/float_sizes.hpp>
#endif
#if !defined(BOOST_ATOMIC_EMULATED)
#include BOOST_ATOMIC_DETAIL_BACKEND_HEADER(boost/atomic/detail/caps_)
#endif
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
#ifndef BOOST_ATOMIC_INT8_LOCK_FREE
#define BOOST_ATOMIC_INT8_LOCK_FREE 0
#endif
#ifndef BOOST_ATOMIC_INT16_LOCK_FREE
#define BOOST_ATOMIC_INT16_LOCK_FREE 0
#endif
#ifndef BOOST_ATOMIC_INT32_LOCK_FREE
#define BOOST_ATOMIC_INT32_LOCK_FREE 0
#endif
#ifndef BOOST_ATOMIC_INT64_LOCK_FREE
#define BOOST_ATOMIC_INT64_LOCK_FREE 0
#endif
#ifndef BOOST_ATOMIC_INT128_LOCK_FREE
#define BOOST_ATOMIC_INT128_LOCK_FREE 0
#endif
#ifndef BOOST_ATOMIC_CHAR_LOCK_FREE
#define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#endif
#ifndef BOOST_ATOMIC_CHAR16_T_LOCK_FREE
#define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#endif
#ifndef BOOST_ATOMIC_CHAR32_T_LOCK_FREE
#define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#endif
#ifndef BOOST_ATOMIC_WCHAR_T_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#else
#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
#endif
#endif
#ifndef BOOST_ATOMIC_SHORT_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 1
#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#else
#define BOOST_ATOMIC_SHORT_LOCK_FREE 0
#endif
#endif
#ifndef BOOST_ATOMIC_INT_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_INT == 1
#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#else
#define BOOST_ATOMIC_INT_LOCK_FREE 0
#endif
#endif
#ifndef BOOST_ATOMIC_LONG_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 1
#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#else
#define BOOST_ATOMIC_LONG_LOCK_FREE 0
#endif
#endif
#ifndef BOOST_ATOMIC_LLONG_LOCK_FREE
#if BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 1
#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#else
#define BOOST_ATOMIC_LLONG_LOCK_FREE 0
#endif
#endif
#ifndef BOOST_ATOMIC_POINTER_LOCK_FREE
#if (BOOST_ATOMIC_DETAIL_SIZEOF_POINTER + 0) == 8
#define BOOST_ATOMIC_POINTER_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#elif (BOOST_ATOMIC_DETAIL_SIZEOF_POINTER + 0) == 4
#define BOOST_ATOMIC_POINTER_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#else
#define BOOST_ATOMIC_POINTER_LOCK_FREE 0
#endif
#endif
#define BOOST_ATOMIC_ADDRESS_LOCK_FREE BOOST_ATOMIC_POINTER_LOCK_FREE
#ifndef BOOST_ATOMIC_BOOL_LOCK_FREE
// We store bools in 1-byte storage in all backends
#define BOOST_ATOMIC_BOOL_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
#endif
#ifndef BOOST_ATOMIC_FLAG_LOCK_FREE
#define BOOST_ATOMIC_FLAG_LOCK_FREE BOOST_ATOMIC_BOOL_LOCK_FREE
#endif
#if !defined(BOOST_ATOMIC_NO_FLOATING_POINT)
#if !defined(BOOST_ATOMIC_FLOAT_LOCK_FREE) && defined(BOOST_ATOMIC_DETAIL_SIZEOF_FLOAT)
#if BOOST_ATOMIC_DETAIL_SIZEOF_FLOAT == 2
#define BOOST_ATOMIC_FLOAT_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_FLOAT == 4
#define BOOST_ATOMIC_FLOAT_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_FLOAT == 8
#define BOOST_ATOMIC_FLOAT_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_FLOAT == 16
#define BOOST_ATOMIC_FLOAT_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
#else
#define BOOST_ATOMIC_FLOAT_LOCK_FREE 0
#endif
#endif
#if !defined(BOOST_ATOMIC_DOUBLE_LOCK_FREE) && defined(BOOST_ATOMIC_DETAIL_SIZEOF_DOUBLE)
#if BOOST_ATOMIC_DETAIL_SIZEOF_DOUBLE == 2
#define BOOST_ATOMIC_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_DOUBLE == 4
#define BOOST_ATOMIC_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_DOUBLE == 8
#define BOOST_ATOMIC_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_DOUBLE == 16
#define BOOST_ATOMIC_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
#else
#define BOOST_ATOMIC_DOUBLE_LOCK_FREE 0
#endif
#endif
#if !defined(BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE) && defined(BOOST_ATOMIC_DETAIL_SIZEOF_LONG_DOUBLE)
#if BOOST_ATOMIC_DETAIL_SIZEOF_LONG_DOUBLE == 2
#define BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG_DOUBLE == 4
#define BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG_DOUBLE == 8
#define BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG_DOUBLE == 16
#define BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
#else
#define BOOST_ATOMIC_LONG_DOUBLE_LOCK_FREE 0
#endif
#endif
#endif // !defined(BOOST_ATOMIC_NO_FLOATING_POINT)
#ifndef BOOST_ATOMIC_THREAD_FENCE
#define BOOST_ATOMIC_THREAD_FENCE 0
#endif
#ifndef BOOST_ATOMIC_SIGNAL_FENCE
#define BOOST_ATOMIC_SIGNAL_FENCE 0
#endif
#endif // BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
|
