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Diffstat (limited to 'src/corelib/kernel/qsharedmemory_p.h')
-rw-r--r-- | src/corelib/kernel/qsharedmemory_p.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/corelib/kernel/qsharedmemory_p.h b/src/corelib/kernel/qsharedmemory_p.h deleted file mode 100644 index 57dcb2cb93..0000000000 --- a/src/corelib/kernel/qsharedmemory_p.h +++ /dev/null @@ -1,150 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only - -#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 - -QT_BEGIN_NAMESPACE - -namespace QSharedMemoryPrivate -{ - int createUnixKeyFile(const QString &fileName); - QString makePlatformSafeKey(const QString &key, - const QString &prefix = QStringLiteral("qipc_sharedmemory_")); -} - -QT_END_NAMESPACE - -# 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 = QStringLiteral("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(QLatin1StringView 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 - |