blob: fabd2ddfd61944bff9f4dddedc4f481a53f5a786 (
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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWSSHAREDMEMORY_P_H
#define QWSSHAREDMEMORY_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qplatformdefs.h"
#include "QtCore/qstring.h"
QT_BEGIN_NAMESPACE
#if !defined(QT_NO_QWS_MULTIPROCESS)
class QWSSharedMemory {
public:
QWSSharedMemory();
~QWSSharedMemory();
void setPermissions(mode_t mode);
int size() const;
void *address() { return shmBase; };
int id() const { return shmId; }
void detach();
bool create(int size);
bool attach(int id);
//bool create(int size, const QString &filename, char c = 'Q');
//bool attach(const QString &filename, char c = 'Q');
// old API
QWSSharedMemory(int, const QString &, char c = 'Q');
void * base() { return address(); };
bool create();
void destroy();
bool attach();
private:
void *shmBase;
int shmSize;
QString shmFile;
char character;
int shmId;
key_t key;
};
#endif // QT_NO_QWS_MULTIPROCESS
QT_END_NAMESPACE
#endif // QWSSHAREDMEMORY_P_H
|
