1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtDBus module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and The Qt Company. For licensing terms
14 ** and conditions see https://www.qt.io/terms-conditions. For further
15 ** information use the contact form at https://www.qt.io/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 3 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 3 requirements
23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24 **
25 ** GNU General Public License Usage
26 ** Alternatively, this file may be used under the terms of the GNU
27 ** General Public License version 2.0 or (at your option) the GNU General
28 ** Public license version 3 or any later version approved by the KDE Free
29 ** Qt Foundation. The licenses are as published by the Free Software
30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31 ** included in the packaging of this file. Please review the following
32 ** information to ensure the GNU General Public License requirements will
33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34 ** https://www.gnu.org/licenses/gpl-3.0.html.
35 **
36 ** $QT_END_LICENSE$
37 **
38 ****************************************************************************/
39 
40 
41 #ifndef QDBUSUNIXFILEDESCRIPTOR_H
42 #define QDBUSUNIXFILEDESCRIPTOR_H
43 
44 #include <QtDBus/qtdbusglobal.h>
45 #include <QtCore/qshareddata.h>
46 
47 #ifndef QT_NO_DBUS
48 
49 #include <utility>
50 
51 QT_BEGIN_NAMESPACE
52 
53 
54 class QDBusUnixFileDescriptorPrivate;
55 
56 class Q_DBUS_EXPORT QDBusUnixFileDescriptor
57 {
58 public:
59     QDBusUnixFileDescriptor();
60     explicit QDBusUnixFileDescriptor(int fileDescriptor);
61     QDBusUnixFileDescriptor(const QDBusUnixFileDescriptor &other);
62     QDBusUnixFileDescriptor &operator=(QDBusUnixFileDescriptor &&other) noexcept { swap(other); return *this; }
63     QDBusUnixFileDescriptor &operator=(const QDBusUnixFileDescriptor &other);
64     ~QDBusUnixFileDescriptor();
65 
swap(QDBusUnixFileDescriptor & other)66     void swap(QDBusUnixFileDescriptor &other) noexcept
67     { qSwap(d, other.d); }
68 
69     bool isValid() const;
70 
71     int fileDescriptor() const;
72     void setFileDescriptor(int fileDescriptor);
73 
74     void giveFileDescriptor(int fileDescriptor);
75     int takeFileDescriptor();
76 
77     static bool isSupported();
78 
79 protected:
80     typedef QExplicitlySharedDataPointer<QDBusUnixFileDescriptorPrivate>  Data;
81     Data d;
82 };
83 
84 Q_DECLARE_SHARED(QDBusUnixFileDescriptor)
85 
86 QT_END_NAMESPACE
87 
88 Q_DECLARE_METATYPE(QDBusUnixFileDescriptor)
89 
90 #endif // QT_NO_DBUS
91 #endif // QDBUSUNIXFILEDESCRIPTOR_H
92