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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
******************************************************************************/
#ifndef QTHREADPOOL_H
#define QTHREADPOOL_H
#include <QtCore/qglobal.h>
#include <QtCore/qthread.h>
#include <QtCore/qrunnable.h>
#include <functional>
QT_REQUIRE_CONFIG(thread);
QT_BEGIN_NAMESPACE
class QThreadPoolPrivate;
class Q_CORE_EXPORT QThreadPool : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QThreadPool)
Q_PROPERTY(int expiryTimeout READ expiryTimeout WRITE setExpiryTimeout)
Q_PROPERTY(int maxThreadCount READ maxThreadCount WRITE setMaxThreadCount)
Q_PROPERTY(int activeThreadCount READ activeThreadCount)
Q_PROPERTY(uint stackSize READ stackSize WRITE setStackSize)
Q_PROPERTY(QThread::Priority threadPriority READ threadPriority WRITE setThreadPriority)
friend class QFutureInterfaceBase;
public:
QThreadPool(QObject *parent = nullptr);
~QThreadPool();
static QThreadPool *globalInstance();
void start(QRunnable *runnable, int priority = 0);
bool tryStart(QRunnable *runnable);
void start(std::function<void()> functionToRun, int priority = 0);
bool tryStart(std::function<void()> functionToRun);
int expiryTimeout() const;
void setExpiryTimeout(int expiryTimeout);
int maxThreadCount() const;
void setMaxThreadCount(int maxThreadCount);
int activeThreadCount() const;
void setStackSize(uint stackSize);
uint stackSize() const;
void setThreadPriority(QThread::Priority priority);
QThread::Priority threadPriority() const;
void reserveThread();
void releaseThread();
bool waitForDone(int msecs = -1);
void clear();
bool contains(const QThread *thread) const;
[[nodiscard]] bool tryTake(QRunnable *runnable);
};
QT_END_NAMESPACE
#endif
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