comparison main/main.cpp @ 589:09c8195c371d

Avoid exiting with locked mutex

    of the window.
 
 */
 
 static QMutex cleanupMutex;
+static bool cleanedUp = false;
 
 static void
 signalHandler(int /* signal */)
 {
     // Avoid this happening more than once across threads
 
+    std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
     cleanupMutex.lock();
-    std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
-    TempDirectory::getInstance()->cleanup();
-    exit(0); // without releasing mutex
+    if (!cleanedUp) {
+        TempDirectory::getInstance()->cleanup();
+        cleanedUp = true;
+    }
+    cleanupMutex.unlock();
+    exit(0);
 }
 
 class SVApplication : public QApplication
 {
 public:

 
     gui->hide();
 
     cleanupMutex.lock();
 
-    TransformFactory::deleteInstance();
-    TempDirectory::getInstance()->cleanup();
+    if (!cleanedUp) {
+        TransformFactory::deleteInstance();
+        TempDirectory::getInstance()->cleanup();
+        cleanedUp = true;
+    }
+
     application.releaseMainWindow();
 
 #ifdef HAVE_FFTW3F
     settings.beginGroup("FFTWisdom");
     char *cwisdom = fftwf_export_wisdom_to_string();

 #endif
     settings.endGroup();
 #endif
 
     delete gui;
+
+    cleanupMutex.unlock();
 
     cleanupMutex.unlock();
 
     return rv;
 }