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// Copyright (C) 2013 David Faure <faure+bluesystems@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QLOCKFILE_H
#define QLOCKFILE_H
#include <QtCore/qstring.h>
#include <QtCore/qscopedpointer.h>
#include <chrono>
#include <memory>
QT_BEGIN_NAMESPACE
class QLockFilePrivate;
class Q_CORE_EXPORT QLockFile
{
public:
explicit QLockFile(const QString &fileName);
~QLockFile();
QString fileName() const;
bool lock();
QT_CORE_INLINE_SINCE(6, 10)
bool tryLock(int timeout);
void unlock();
QT_CORE_INLINE_SINCE(6, 10)
void setStaleLockTime(int);
QT_CORE_INLINE_SINCE(6, 10)
int staleLockTime() const;
bool tryLock(std::chrono::milliseconds timeout = std::chrono::milliseconds::zero());
void setStaleLockTime(std::chrono::milliseconds value);
std::chrono::milliseconds staleLockTimeAsDuration() const;
bool isLocked() const;
bool getLockInfo(qint64 *pid, QString *hostname, QString *appname) const;
bool removeStaleLockFile();
enum LockError {
NoError = 0,
LockFailedError = 1,
PermissionError = 2,
UnknownError = 3
};
LockError error() const;
private:
std::unique_ptr<QLockFilePrivate> d_ptr;
Q_DECLARE_PRIVATE(QLockFile)
Q_DISABLE_COPY(QLockFile)
};
#if QT_CORE_INLINE_IMPL_SINCE(6, 10)
bool QLockFile::tryLock(int timeout)
{
return tryLock(std::chrono::milliseconds{timeout});
}
void QLockFile::setStaleLockTime(int staleLockTime)
{
setStaleLockTime(std::chrono::milliseconds{staleLockTime});
}
int QLockFile::staleLockTime() const
{
return int(staleLockTimeAsDuration().count());
}
#endif // QT_CORE_INLINE_IMPL_SINCE(6, 10)
QT_END_NAMESPACE
#endif // QLOCKFILE_H
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