Attempt to fix data loss during session end

src/mainwindow.cpp

@@ -103,7 +103,7 @@ MainWindow::MainWindow(QWidget *parent, const QStringList& torrentCmdLine) : QMa
   setWindowTitle(tr("qBittorrent %1", "e.g: qBittorrent v0.x").arg(QString::fromUtf8(VERSION)));
   displaySpeedInTitle = pref.speedInTitleBar();
   // Clean exit on log out
-  connect(static_cast<SessionApplication*>(qApp), SIGNAL(sessionIsShuttingDown()), this, SLOT(deleteBTSession()));
+  connect(static_cast<SessionApplication*>(qApp), SIGNAL(sessionIsShuttingDown()), this, SLOT(deleteBTSession()), Qt::DirectConnection);
   // Setting icons
 #if defined(Q_WS_X11)
   if (Preferences().useSystemIconTheme())
@@ -334,8 +334,6 @@ void MainWindow::deleteBTSession() {
   m_pwr->setActivityState(false);
   // Save window size, columns size
   writeSettings();
-  // Accept exit
-  qApp->exit();
 }
 
 // Destructor

src/sessionapplication.cpp

@@ -42,6 +42,7 @@ QtSingleApplication(id, argc, argv)
 void SessionApplication::commitData(QSessionManager & manager) {
   Q_UNUSED(manager);
   emit sessionIsShuttingDown();
+  manager.release();
 }
 
 bool SessionApplication::notify(QObject* receiver, QEvent* event) {