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Use QAtomicInt to guarantee cleanup() is only executed once

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Chocobo1 2016-03-10 02:00:26 +08:00 • committed by sledgehammer999
commit 7761a2604a
1 changed files with 3 additions and 4 deletions
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7
src/app/application.cpp
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@ -33,6 +33,7 @@
#include <QLibraryInfo> #include <QLibraryInfo>
#include <QSysInfo> #include <QSysInfo>
#include <QProcess> #include <QProcess>
#include <QAtomicInt>
#ifndef DISABLE_GUI #ifndef DISABLE_GUI
#include "gui/guiiconprovider.h" #include "gui/guiiconprovider.h"
@ -547,11 +548,9 @@ void Application::cleanup()
#ifndef DISABLE_GUI #ifndef DISABLE_GUI
#ifdef Q_OS_WIN #ifdef Q_OS_WIN
// cleanup() can be called multiple times during shutdown. We only need it once. // cleanup() can be called multiple times during shutdown. We only need it once.
static bool alreadyDone = false; static QAtomicInt alreadyDone;
if (!alreadyDone.testAndSetAcquire(0, 1))
if (alreadyDone)
return; return;
alreadyDone = true;
#endif // Q_OS_WIN #endif // Q_OS_WIN
// Hide the window and not leave it on screen as // Hide the window and not leave it on screen as