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Diffstat (limited to 'src/corelib/thread/qthread.h')
-rw-r--r-- | src/corelib/thread/qthread.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/corelib/thread/qthread.h b/src/corelib/thread/qthread.h new file mode 100644 index 0000000..d9a6240 --- /dev/null +++ b/src/corelib/thread/qthread.h @@ -0,0 +1,163 @@ +/**************************************************************************** +** +** 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 QTHREAD_H +#define QTHREAD_H + +#include <QtCore/qobject.h> + +#include <limits.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +class QThreadData; +class QThreadPrivate; + +#ifndef QT_NO_THREAD +class Q_CORE_EXPORT QThread : public QObject +{ +public: + static Qt::HANDLE currentThreadId(); + static QThread *currentThread(); + static int idealThreadCount(); + static void yieldCurrentThread(); + + explicit QThread(QObject *parent = 0); + ~QThread(); + + enum Priority { + IdlePriority, + + LowestPriority, + LowPriority, + NormalPriority, + HighPriority, + HighestPriority, + + TimeCriticalPriority, + + InheritPriority + }; + + void setPriority(Priority priority); + Priority priority() const; + + bool isFinished() const; + bool isRunning() const; + + void setStackSize(uint stackSize); + uint stackSize() const; + + void exit(int retcode = 0); + +public Q_SLOTS: + void start(Priority = InheritPriority); + void terminate(); + void quit(); + +public: + // default argument causes thread to block indefinately + bool wait(unsigned long time = ULONG_MAX); + +Q_SIGNALS: + void started(); + void finished(); + void terminated(); + +protected: + virtual void run(); + int exec(); + + static void setTerminationEnabled(bool enabled = true); + + static void sleep(unsigned long); + static void msleep(unsigned long); + static void usleep(unsigned long); + +#ifdef QT3_SUPPORT +public: + inline QT3_SUPPORT bool finished() const { return isFinished(); } + inline QT3_SUPPORT bool running() const { return isRunning(); } +#endif + +protected: + QThread(QThreadPrivate &dd, QObject *parent = 0); + +private: + Q_OBJECT + Q_DECLARE_PRIVATE(QThread) + + static void initialize(); + static void cleanup(); + + friend class QCoreApplication; + friend class QThreadData; +}; + +#else // QT_NO_THREAD + +class Q_CORE_EXPORT QThread : public QObject +{ +public: + static Qt::HANDLE currentThreadId() { return Qt::HANDLE(currentThread()); } + static QThread* currentThread() + { if (!instance) instance = new QThread(); return instance; } + +private: + QThread(); + static QThread *instance; + + friend class QCoreApplication; + friend class QThreadData; + Q_DECLARE_PRIVATE(QThread) +}; + +#endif // QT_NO_THREAD + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QTHREAD_H |