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Diffstat (limited to 'src/corelib/thread/qmutex_p.h')
-rw-r--r-- | src/corelib/thread/qmutex_p.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/corelib/thread/qmutex_p.h b/src/corelib/thread/qmutex_p.h new file mode 100644 index 0000000..6eb15be --- /dev/null +++ b/src/corelib/thread/qmutex_p.h @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMUTEX_P_H +#define QMUTEX_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of qmutex.cpp, qmutex_unix.cpp, and qmutex_win.cpp. This header +// file may change from version to version without notice, or even be +// removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> +#include <QtCore/qnamespace.h> + +QT_BEGIN_NAMESPACE + +class QMutexPrivate { +public: + QMutexPrivate(QMutex::RecursionMode mode); + ~QMutexPrivate(); + + ulong self(); + bool wait(int timeout = -1); + void wakeUp(); + + const bool recursive; + QAtomicInt contenders; + volatile int lastSpinCount; + Qt::HANDLE owner; + uint count; + +#if defined(Q_OS_UNIX) + volatile bool wakeup; + pthread_mutex_t mutex; + pthread_cond_t cond; +#elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE) + HANDLE event; +#endif +}; + +QT_END_NAMESPACE + +#endif // QMUTEX_P_H |