diff options
Diffstat (limited to 'src/corelib/kernel/qsharedmemory_p.h')
-rw-r--r-- | src/corelib/kernel/qsharedmemory_p.h | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h deleted file mode 100644 index a248937037..0000000000 --- a/src/corelib/kernel/qsharedmemory_p.h +++ /dev/null @@ -1,180 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore 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 QSHAREDMEMORY_P_H -#define QSHAREDMEMORY_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 "qsharedmemory.h" - -#include <QtCore/qstring.h> - -#ifdef QT_NO_SHAREDMEMORY -# ifndef QT_NO_SYSTEMSEMAPHORE -namespace QSharedMemoryPrivate -{ - int createUnixKeyFile(const QString &fileName); - QString makePlatformSafeKey(const QString &key, - const QString &prefix = QLatin1String("qipc_sharedmemory_")); -} -#endif -#else - -#include "qsystemsemaphore.h" - -#ifndef QT_NO_QOBJECT -# include "private/qobject_p.h" -#endif - -#if !defined(Q_OS_WIN) && !defined(Q_OS_ANDROID) && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_RTEMS) -# include <sys/sem.h> -#endif - -QT_BEGIN_NAMESPACE - -#ifndef QT_NO_SYSTEMSEMAPHORE -/*! - Helper class - */ -class QSharedMemoryLocker -{ - -public: - inline QSharedMemoryLocker(QSharedMemory *sharedMemory) : q_sm(sharedMemory) - { - Q_ASSERT(q_sm); - } - - inline ~QSharedMemoryLocker() - { - if (q_sm) - q_sm->unlock(); - } - - inline bool lock() - { - if (q_sm && q_sm->lock()) - return true; - q_sm = nullptr; - return false; - } - -private: - QSharedMemory *q_sm; -}; -#endif // QT_NO_SYSTEMSEMAPHORE - -class Q_AUTOTEST_EXPORT QSharedMemoryPrivate -#ifndef QT_NO_QOBJECT - : public QObjectPrivate -#endif -{ -#ifndef QT_NO_QOBJECT - Q_DECLARE_PUBLIC(QSharedMemory) -#endif - -public: - QSharedMemoryPrivate(); - - void *memory; - qsizetype size; - QString key; - QString nativeKey; - QSharedMemory::SharedMemoryError error; - QString errorString; -#ifndef QT_NO_SYSTEMSEMAPHORE - QSystemSemaphore systemSemaphore; - bool lockedByMe; -#endif - - static int createUnixKeyFile(const QString &fileName); - static QString makePlatformSafeKey(const QString &key, - const QString &prefix = QLatin1String("qipc_sharedmemory_")); -#ifdef Q_OS_WIN - Qt::HANDLE handle(); -#elif defined(QT_POSIX_IPC) - int handle(); -#else - key_t handle(); -#endif - bool initKey(); - bool cleanHandle(); - bool create(qsizetype size); - bool attach(QSharedMemory::AccessMode mode); - bool detach(); - - void setErrorString(QLatin1String function); - -#ifndef QT_NO_SYSTEMSEMAPHORE - bool tryLocker(QSharedMemoryLocker *locker, const QString &function) { - if (!locker->lock()) { - errorString = QSharedMemory::tr("%1: unable to lock").arg(function); - error = QSharedMemory::LockError; - return false; - } - return true; - } -#endif // QT_NO_SYSTEMSEMAPHORE - -private: -#ifdef Q_OS_WIN - Qt::HANDLE hand; -#elif defined(QT_POSIX_IPC) - int hand; -#else - key_t unix_key; -#endif -}; - -QT_END_NAMESPACE - -#endif // QT_NO_SHAREDMEMORY - -#endif // QSHAREDMEMORY_P_H - |