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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QOHOS_DEADLOCKPROTECTOR_H
#define QOHOS_DEADLOCKPROTECTOR_H
#include <QtCore/qatomic.h>
QT_BEGIN_NAMESPACE
class QOhosDeadlockProtector
{
public:
QOhosDeadlockProtector()
: m_acquired(0)
{
}
~QOhosDeadlockProtector() {
if (m_acquired)
s_blocked.storeRelease(0);
}
bool acquire() {
m_acquired = s_blocked.testAndSetAcquire(0, 1);
return m_acquired;
}
private:
static QAtomicInt s_blocked;
int m_acquired;
};
QT_END_NAMESPACE
#endif // QOHOS_DEADLOCKPROTECTOR_H