Qt 4.8
qdbusunixfiledescriptor.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the FOO 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 Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 
43 #ifndef QDBUSUNIXFILEDESCRIPTOR_H
44 #define QDBUSUNIXFILEDESCRIPTOR_H
45 
46 #include <QtCore/QSharedDataPointer>
47 #include <QtDBus/qdbusmacros.h>
48 
49 #ifndef QT_NO_DBUS
50 
51 #ifdef Q_COMPILER_RVALUE_REFS
52 # include <utility>
53 #endif
54 
56 
58 
59 QT_MODULE(DBus)
60 
63 
65 {
66 public:
68  explicit QDBusUnixFileDescriptor(int fileDescriptor);
70  QDBusUnixFileDescriptor &operator=(const QDBusUnixFileDescriptor &other);
72 
73  bool isValid() const;
74 
75  int fileDescriptor() const;
76  void setFileDescriptor(int fileDescriptor);
77 
78  void giveFileDescriptor(int fileDescriptor);
79  int takeFileDescriptor();
80 
81  static bool isSupported();
82 
83 #if defined(Q_COMPILER_RVALUE_REFS)
84  QDBusUnixFileDescriptor(QDBusUnixFileDescriptor &&other) : d(static_cast<Data &&>(other.d))
85  { }
86  inline QDBusUnixFileDescriptor &operator=(QDBusUnixFileDescriptor &&other)
87  { d.swap(other.d); return *this; }
88 #endif
89 
90 protected:
92  Data d;
93 };
94 
96 
99 
101 
102 #endif // QT_NO_DBUS
103 #endif // QDBUSUNIXFILEDESCRIPTOR_H
double d
Definition: qnumeric_p.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
The QDBusUnixFileDescriptor class holds one Unix file descriptor.
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
#define Q_DECLARE_METATYPE(TYPE)
This macro makes the type Type known to QMetaType as long as it provides a public default constructor...
Definition: qmetatype.h:265
#define Q_DBUS_EXPORT
Definition: qglobal.h:1463
~QExplicitlySharedDataPointer()
Decrements the reference count of the shared data object.
Definition: qshareddata.h:166
#define QT_END_HEADER
Definition: qglobal.h:137
The QList class is a template class that provides lists.
Definition: qdatastream.h:62
QExplicitlySharedDataPointer< QDBusUnixFileDescriptorPrivate > Data