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Merge pull request #6284 from JosJuice/qt-gamefilecache-mutex

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DolphinQt2: Don't use a mutex in GameFileCache
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Léo Lam 2018-01-04 22:44:53 +01:00 committed by GitHub
commit e31f8f8ecb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 24 deletions
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21
Source/Core/DolphinQt2/GameList/GameFileCache.cpp
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@ -6,6 +6,7 @@
#include <QDataStream> #include <QDataStream>
#include <QDir> #include <QDir>
#include <QFile>
#include <QFileInfo> #include <QFileInfo>
#include "Common/FileUtil.h" #include "Common/FileUtil.h"
@ -20,24 +21,18 @@ GameFileCache::GameFileCache()
{ {
} }
bool GameFileCache::IsCached(const QString& path) bool GameFileCache::IsCached(const QString& path) const
{ {
std::lock_guard<std::mutex> guard(m_mutex);
return m_gamefiles.contains(path); return m_gamefiles.contains(path);
} }
GameFile GameFileCache::GetFile(const QString& path) GameFile GameFileCache::GetFile(const QString& path) const
{ {
std::lock_guard<std::mutex> guard(m_mutex);
return m_gamefiles[path]; return m_gamefiles[path];
} }
void GameFileCache::Load() void GameFileCache::Load()
{ {
std::lock_guard<std::mutex> guard(m_mutex);
QFile file(m_path); QFile file(m_path);
if (!file.open(QIODevice::ReadOnly)) if (!file.open(QIODevice::ReadOnly))
@ -56,10 +51,8 @@ void GameFileCache::Load()
stream >> m_gamefiles; stream >> m_gamefiles;
} }
void GameFileCache::Save() void GameFileCache::Save() const
{ {
std::lock_guard<std::mutex> guard(m_mutex);
QFile file(m_path); QFile file(m_path);
if (!file.open(QIODevice::WriteOnly)) if (!file.open(QIODevice::WriteOnly))
@ -74,14 +67,10 @@ void GameFileCache::Save()
void GameFileCache::Update(const GameFile& gamefile) void GameFileCache::Update(const GameFile& gamefile)
{ {
std::lock_guard<std::mutex> guard(m_mutex);
m_gamefiles[gamefile.GetFilePath()] = gamefile; m_gamefiles[gamefile.GetFilePath()] = gamefile;
} }
QList<QString> GameFileCache::GetCached() QList<QString> GameFileCache::GetCached() const
{ {
std::lock_guard<std::mutex> guard(m_mutex);
return m_gamefiles.keys(); return m_gamefiles.keys();
} }

15
Source/Core/DolphinQt2/GameList/GameFileCache.h
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@ -4,9 +4,9 @@
#pragma once #pragma once
#include <QFile> #include <QList>
#include <QMap>
#include <mutex> #include <QString>
#include "DolphinQt2/GameList/GameFile.h" #include "DolphinQt2/GameList/GameFile.h"
@ -16,15 +16,14 @@ public:
explicit GameFileCache(); explicit GameFileCache();
void Update(const GameFile& gamefile); void Update(const GameFile& gamefile);
void Save(); void Save() const;
void Load(); void Load();
bool IsCached(const QString& path); bool IsCached(const QString& path) const;
GameFile GetFile(const QString& path); GameFile GetFile(const QString& path) const;
QList<QString> GetCached(); QList<QString> GetCached() const;
private: private:
QString m_path; QString m_path;
QMap<QString, GameFile> m_gamefiles; QMap<QString, GameFile> m_gamefiles;
std::mutex m_mutex;
}; };