UI: Fix LogManager closing.

src/ui/driver/drivermanager.cpp

@@ -38,8 +38,6 @@ void DriverManager::setupWorker()
 
 void DriverManager::abortWorker()
 {
-    m_driverWorker->disconnect(this);
-
     m_driverWorker->abort();
 }
 

src/ui/driver/driverworker.cpp

@@ -55,6 +55,8 @@ void DriverWorker::cancelAsyncIo()
 
 void DriverWorker::abort()
 {
+    if (m_aborted) return;
+
     m_aborted = true;
 
     cancelAsyncIo();

src/ui/fortmanager.cpp

@@ -136,6 +136,7 @@ void FortManager::closeDriver()
     updateLogManager(false);
 
     m_driverManager->closeDevice();
+    m_logManager->close();
 }
 
 void FortManager::setupDatabaseManager()

src/ui/log/logmanager.cpp

@@ -1,5 +1,7 @@
 #include "logmanager.h"
 
+#include <QCoreApplication>
+
 #include "../driver/driverworker.h"
 #include "../fortcommon.h"
 #include "logbuffer.h"
@@ -49,6 +51,13 @@ void LogManager::initialize()
     m_appStatModel->initialize();
 }
 
+void LogManager::close()
+{
+    QCoreApplication::sendPostedEvents(this);
+
+    m_driverWorker->disconnect(this);
+}
+
 void LogManager::setupDriverWorker()
 {
     connect(m_driverWorker, &DriverWorker::readLogResult,

src/ui/log/logmanager.h

@@ -36,6 +36,7 @@ signals:
     void errorMessageChanged();
 
 public slots:
+    void close();
 
 private slots:
     void processLogBuffer(LogBuffer *logBuffer, bool success,