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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTHREAD_H
#define QTHREAD_H
#include <QtCore/qobject.h>
#include <limits.h>
QT_BEGIN_NAMESPACE
class QThreadData;
class QThreadPrivate;
class QAbstractEventDispatcher;
#ifndef QT_NO_THREAD
class Q_CORE_EXPORT QThread : public QObject
{
Q_OBJECT
public:
static Qt::HANDLE currentThreadId() Q_DECL_NOTHROW Q_DECL_PURE_FUNCTION;
static QThread *currentThread();
static int idealThreadCount() Q_DECL_NOTHROW;
static void yieldCurrentThread();
explicit QThread(QObject *parent = Q_NULLPTR);
~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 requestInterruption();
bool isInterruptionRequested() const;
void setStackSize(uint stackSize);
uint stackSize() const;
void exit(int retcode = 0);
QAbstractEventDispatcher *eventDispatcher() const;
void setEventDispatcher(QAbstractEventDispatcher *eventDispatcher);
bool event(QEvent *event) Q_DECL_OVERRIDE;
int loopLevel() const;
public Q_SLOTS:
void start(Priority = InheritPriority);
void terminate();
void quit();
public:
// default argument causes thread to block indefinetely
bool wait(unsigned long time = ULONG_MAX);
static void sleep(unsigned long);
static void msleep(unsigned long);
static void usleep(unsigned long);
Q_SIGNALS:
void started(QPrivateSignal);
void finished(QPrivateSignal);
protected:
virtual void run();
int exec();
static void setTerminationEnabled(bool enabled = true);
protected:
QThread(QThreadPrivate &dd, QObject *parent = Q_NULLPTR);
private:
Q_DECLARE_PRIVATE(QThread)
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();
protected:
QThread(QThreadPrivate &dd, QObject *parent = 0);
private:
explicit QThread(QObject *parent = 0);
static QThread *instance;
friend class QCoreApplication;
friend class QThreadData;
friend class QAdoptedThread;
Q_DECLARE_PRIVATE(QThread)
};
#endif // QT_NO_THREAD
QT_END_NAMESPACE
#endif // QTHREAD_H
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