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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtConcurrent module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTCONCURRENT_RUN_H
#define QTCONCURRENT_RUN_H
#include <QtConcurrent/qtconcurrentcompilertest.h>
#if !defined(QT_NO_CONCURRENT) || defined(Q_CLANG_QDOC)
#include <QtConcurrent/qtconcurrentrunbase.h>
#include <QtConcurrent/qtconcurrentstoredfunctioncall.h>
QT_BEGIN_NAMESPACE
#ifdef Q_CLANG_QDOC
typedef int Function;
namespace QtConcurrent {
template <typename T>
QFuture<T> run(Function function, ...);
template <typename T>
QFuture<T> run(QThreadPool *pool, Function function, ...);
template <typename T>
QFuture<T> runWithPromise(Function function, ...);
template <typename T>
QFuture<T> runWithPromise(QThreadPool *pool, Function function, ...);
} // namespace QtConcurrent
#else
namespace QtConcurrent {
template <class Function, class ...Args>
[[nodiscard]]
auto run(QThreadPool *pool, Function &&f, Args &&...args)
{
DecayedTuple<Function, Args...> tuple { std::forward<Function>(f),
std::forward<Args>(args)... };
return TaskResolver<std::decay_t<Function>, std::decay_t<Args>...>::run(
std::move(tuple), TaskStartParameters { pool });
}
template <class Function, class ...Args>
[[nodiscard]]
auto run(QThreadPool *pool, std::reference_wrapper<const Function> &&functionWrapper,
Args &&...args)
{
return run(pool, std::forward<const Function>(functionWrapper.get()),
std::forward<Args>(args)...);
}
template <class Function, class ...Args>
[[nodiscard]]
auto run(Function &&f, Args &&...args)
{
return run(QThreadPool::globalInstance(), std::forward<Function>(f),
std::forward<Args>(args)...);
}
// overload with a Promise Type hint, takes thread pool
template <class PromiseType, class Function, class ...Args>
[[nodiscard]]
auto run(QThreadPool *pool, Function &&f, Args &&...args)
{
return (new StoredFunctionCallWithPromise<Function, PromiseType, Args...>(
std::forward<Function>(f), std::forward<Args>(args)...))->start(pool);
}
// overload with a Promise Type hint, uses global thread pool
template <class PromiseType, class Function, class ...Args>
[[nodiscard]]
auto run(Function &&f, Args &&...args)
{
return run<PromiseType>(QThreadPool::globalInstance(), std::forward<Function>(f),
std::forward<Args>(args)...);
}
} //namespace QtConcurrent
#endif // Q_CLANG_QDOC
QT_END_NAMESPACE
#endif // QT_NO_CONCURRENT
#endif
|
