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Use QAtomicInt to guarantee cleanup() is only executed once

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This commit is contained in:
Chocobo1 2016-03-10 02:00:26 +08:00
parent e4c0da4ed4
commit e2a090f03f
1 changed files with 4 additions and 4 deletions
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8
src/app/application.cpp
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@ -33,6 +33,7 @@
#include <QLibraryInfo>
#include <QSysInfo>
#include <QProcess>
#include <QAtomicInt>
#ifndef DISABLE_GUI
#include "gui/guiiconprovider.h"
@ -548,11 +549,9 @@ void Application::cleanup()
#ifndef DISABLE_GUI
#ifdef Q_OS_WIN
// cleanup() can be called multiple times during shutdown. We only need it once.
static bool alreadyDone = false;
if (alreadyDone)
static QAtomicInt alreadyDone;
if (!alreadyDone.testAndSetAcquire(0, 1))
return;
alreadyDone = true;
#endif // Q_OS_WIN
// Hide the window and not leave it on screen as
@ -595,6 +594,7 @@ void Application::cleanup()
delete m_fileLogger;
Logger::freeInstance();
IconProvider::freeInstance();
#ifndef DISABLE_GUI
#ifdef Q_OS_WIN
typedef BOOL (WINAPI *PSHUTDOWNBRDESTROY)(HWND);