qthread.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 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.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ****************************************************************************/
- #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();
- 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