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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "async.h"
namespace Utils {
static int s_maxThreadCount = INT_MAX;
class AsyncThreadPool : public QThreadPool
{
public:
AsyncThreadPool(QThread::Priority priority) {
setThreadPriority(priority);
setMaxThreadCount(s_maxThreadCount);
moveToThread(qApp->thread());
}
};
#if QT_VERSION < QT_VERSION_CHECK(6, 3, 0)
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_idle, (QThread::IdlePriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_lowest, (QThread::LowestPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_low, (QThread::LowPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_normal, (QThread::NormalPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_high, (QThread::HighPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_highest, (QThread::HighestPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_timeCritical, (QThread::TimeCriticalPriority));
Q_GLOBAL_STATIC_WITH_ARGS(AsyncThreadPool, s_inherit, (QThread::InheritPriority));
#else
Q_GLOBAL_STATIC(AsyncThreadPool, s_idle, QThread::IdlePriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_lowest, QThread::LowestPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_low, QThread::LowPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_normal, QThread::NormalPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_high, QThread::HighPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_highest, QThread::HighestPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_timeCritical, QThread::TimeCriticalPriority);
Q_GLOBAL_STATIC(AsyncThreadPool, s_inherit, QThread::InheritPriority);
#endif
QThreadPool *asyncThreadPool(QThread::Priority priority)
{
switch (priority) {
case QThread::IdlePriority : return s_idle;
case QThread::LowestPriority : return s_lowest;
case QThread::LowPriority : return s_low;
case QThread::NormalPriority : return s_normal;
case QThread::HighPriority : return s_high;
case QThread::HighestPriority : return s_highest;
case QThread::TimeCriticalPriority : return s_timeCritical;
case QThread::InheritPriority : return s_inherit;
}
return nullptr;
}
} // namespace Utils
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