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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "utils_global.h"
#include <QtGlobal>
namespace Utils {
class QTCREATOR_UTILS_EXPORT Guard
{
Q_DISABLE_COPY(Guard)
public:
Guard();
~Guard();
bool isLocked() const;
int lockCount() const { return m_lockCount; }
// Prefer using GuardLocker when possible. These two methods are provided only for cases
// when locking and unlocking are done in separate methods, so that GuardLocker can't be
// used.
void lock();
void unlock();
private:
int m_lockCount = 0;
friend class GuardLocker;
};
class QTCREATOR_UTILS_EXPORT GuardLocker
{
Q_DISABLE_COPY(GuardLocker)
public:
GuardLocker(Guard &guard);
~GuardLocker();
private:
Guard &m_guard;
};
} // namespace Utils
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