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Diffstat (limited to 'src/corelib/kernel/qsystemsemaphore_p.h')
-rw-r--r-- | src/corelib/kernel/qsystemsemaphore_p.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/corelib/kernel/qsystemsemaphore_p.h b/src/corelib/kernel/qsystemsemaphore_p.h new file mode 100644 index 0000000000..f8f5043e23 --- /dev/null +++ b/src/corelib/kernel/qsystemsemaphore_p.h @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore 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 QSYSTEMSEMAPHORE_P_H +#define QSYSTEMSEMAPHORE_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 "qsystemsemaphore.h" + +#ifndef QT_NO_SYSTEMSEMAPHORE + +#include "qsharedmemory_p.h" +#ifndef Q_OS_WINCE +# include <sys/types.h> +#endif + +#ifdef Q_OS_SYMBIAN +class RSemaphore; +#endif + +QT_BEGIN_NAMESPACE + +class QSystemSemaphorePrivate +{ + +public: + QSystemSemaphorePrivate(); + + QString makeKeyFileName() + { + return QSharedMemoryPrivate::makePlatformSafeKey(key, QLatin1String("qipc_systemsem_")); + } + +#ifdef Q_OS_WIN + HANDLE handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open); + void setErrorString(const QString &function); +#elif defined(Q_OS_SYMBIAN) + int handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open); + void setErrorString(const QString &function,int err = 0); +#else + key_t handle(QSystemSemaphore::AccessMode mode = QSystemSemaphore::Open); + void setErrorString(const QString &function); +#endif + void cleanHandle(); + bool modifySemaphore(int count); + + QString key; + QString fileName; + int initialValue; +#ifdef Q_OS_WIN + HANDLE semaphore; + HANDLE semaphoreLock; +#elif defined(Q_OS_SYMBIAN) + RSemaphore semaphore; +#else + int semaphore; + bool createdFile; + bool createdSemaphore; + key_t unix_key; +#endif + QString errorString; + QSystemSemaphore::SystemSemaphoreError error; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_SYSTEMSEMAPHORE + +#endif // QSYSTEMSEMAPHORE_P_H + |