1 | // Copyright (C) 2011 Thiago Macieira <thiago@kde.org> |
2 | // Copyright (C) 2016 Intel Corporation. |
3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
4 | |
5 | #ifndef QGENERICATOMIC_H |
6 | #define QGENERICATOMIC_H |
7 | |
8 | #include <QtCore/qcompilerdetection.h> |
9 | #include <QtCore/qtconfigmacros.h> |
10 | #include <QtCore/qtypes.h> |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | #if 0 |
15 | // silence syncqt warnings |
16 | QT_END_NAMESPACE |
17 | #pragma qt_sync_skip_header_check |
18 | #pragma qt_sync_stop_processing |
19 | #endif |
20 | |
21 | template<int Size> struct QAtomicOpsSupport |
22 | { |
23 | enum { IsSupported = (Size == sizeof(int) || Size == sizeof(qptrdiff)) }; |
24 | }; |
25 | |
26 | template <typename T> struct QAtomicAdditiveType |
27 | { |
28 | typedef T AdditiveT; |
29 | static const int AddScale = 1; |
30 | }; |
31 | template <typename T> struct QAtomicAdditiveType<T *> |
32 | { |
33 | typedef qptrdiff AdditiveT; |
34 | static const int AddScale = sizeof(T); |
35 | }; |
36 | |
37 | QT_END_NAMESPACE |
38 | #endif // QGENERICATOMIC_H |
39 | |