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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 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 http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#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
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