/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** 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 Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, 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. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #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 #include #include #if defined(Q_OS_SYMBIAN) # include #endif QT_BEGIN_NAMESPACE class QMutexPrivate : public QMutexData { public: QMutexPrivate(QMutex::RecursionMode mode); ~QMutexPrivate(); bool wait(int timeout = -1); void wakeUp(); // 1ms = 1000000ns enum { MaximumSpinTimeThreshold = 1000000 }; volatile qint64 maximumSpinTime; volatile qint64 averageWaitTime; Qt::HANDLE owner; uint count; #if defined(Q_OS_UNIX) && !defined(Q_OS_LINUX) && !defined(Q_OS_SYMBIAN) volatile bool wakeup; pthread_mutex_t mutex; pthread_cond_t cond; #elif defined(Q_OS_WIN32) || defined(Q_OS_WINCE) HANDLE event; #elif defined(Q_OS_SYMBIAN) RSemaphore lock; #endif }; inline QMutexData::QMutexData(QMutex::RecursionMode mode) : recursive(mode == QMutex::Recursive) {} inline QMutexData::~QMutexData() {} QT_END_NAMESPACE #endif // QMUTEX_P_H