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Open "lock" files for the same folder only once

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PR #20414.
Closes #12203.
This commit is contained in:
Vladimir Golovnev
2024-02-15 08:42:44 +03:00
committed by GitHub
parent e31b553807
commit f04edd555f
2 changed files with 50 additions and 18 deletions
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15
src/base/asyncfilestorage.h
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@@ -1,6 +1,6 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2017 Vladimir Golovnev <glassez@yandex.ru>
* Copyright (C) 2017-2024 Vladimir Golovnev <glassez@yandex.ru>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -28,19 +28,23 @@
#pragma once
#include <memory>
#include <QFile>
#include <QHash>
#include <QObject>
#include <QReadWriteLock>
#include "base/exceptions.h"
#include "base/path.h"
class AsyncFileStorageError : public RuntimeError
class AsyncFileStorageError final : public RuntimeError
{
public:
using RuntimeError::RuntimeError;
};
class AsyncFileStorage : public QObject
class AsyncFileStorage final : public QObject
{
Q_OBJECT
Q_DISABLE_COPY_MOVE(AsyncFileStorage)
@@ -60,5 +64,8 @@ private:
Q_INVOKABLE void store_impl(const Path &fileName, const QByteArray &data);
Path m_storageDir;
QFile m_lockFile;
std::shared_ptr<QFile> m_lockFile;
static QHash<Path, std::weak_ptr<QFile>> m_reservedPaths;
static QReadWriteLock m_reservedPathsLock;
};