Fixed crash recovery issues on Windows

Common/IPCHandler.cxx

@@ -35,11 +35,11 @@ IPCHandler::Attach(const char *path, short version, size_t message_size)
   m_Interface->SetKey("5A636Q488E.itksnap");
 
   // Attach or create shared memory
-  AttachStatus status = ATTACHED;
+  AttachStatus status = IPC_ATTACHED;
   if (!m_Interface->Attach())
   {
     m_Interface->Create(msize);
-    status = CREATED;
+    status = IPC_CREATED;
   }
 
   // Check if attached
@@ -53,7 +53,7 @@ IPCHandler::Attach(const char *path, short version, size_t message_size)
     cerr << "Error attaching to or creating shared memory: " << strerror(errno) << endl;
     cerr << "This error may occur if a user is running two versions of ITK-SNAP" << endl;
     cerr << "Multisession support is disabled" << endl;
-    return ERROR;
+    return IPC_ERROR;
   }
 
   // Set the user data pointer

Common/IPCHandler.h

@@ -32,7 +32,7 @@ class IPCHandler
   ~IPCHandler();
 
   enum AttachStatus {
-    CREATED, ATTACHED, ERROR
+    IPC_CREATED, IPC_ATTACHED, IPC_ERROR
   };
 
   /**

GUI/Model/SynchronizationModel.cxx

@@ -146,7 +146,7 @@ void SynchronizationModel::OnUpdate()
       //     << endl;
 
       // If we attached to an existing session, then update from that session.
-      if (status == IPCHandler::ATTACHED)
+      if (status == IPCHandler::IPC_ATTACHED)
       {
         // std::cout << "Reading IPC state after main image update and exiting" << std::endl;
         ReadIPCState(false);

GUI/Qt/Components/SNAPQApplication.cxx

@@ -55,23 +55,7 @@ void SNAPQApplication::setMainWindow(MainImageWindow *mainwin)
 bool
 SNAPQApplication::notify(QObject *object, QEvent *event)
 {
-  try
-  {
-    return QApplication::notify(object, event);
-  }
-  // catch (const std::exception &exc)
-  catch(...)
-  {
-    // Crash!
-    qCritical() << "Caught exception, exiting!!!";
-    // ReportNonLethalException(
-    //  NULL, exc, "Unexpected Error", "ITK-SNAP has crashed due to an unexpected error");
-
-    // Exit the application
-    QApplication::exit(-1);
-
-    return false;
-  }
+  return QApplication::notify(object, event);
 }
 
 bool SNAPQApplication::event(QEvent *event)

GUI/Qt/main.cxx

@@ -216,7 +216,7 @@ test_terminate_handler()
       QPushButton *openFolderButton = msgBox.addButton("Open Folder", QMessageBox::AcceptRole);
 
       // Add the "Close" button
-      msgBox.addButton(QMessageBox::Close);
+      msgBox.addButton("Close", QMessageBox::RejectRole);
 
       // Execute the message box and handle the button press
       msgBox.exec();
@@ -1224,15 +1224,7 @@ main(int argc, char *argv[])
     }
     catch (std::exception &exc)
     {
-      qWarning() << "ITK-SNAP has crashed due to an uncaught exception: " << exc.what();
-      QString backup_dir = BackupSegmentationToEmergencyFile();
-      if (backup_dir.size())
-        QMessageBox::critical(
-          nullptr,
-          "Uncaught exception",
-          QString("ITK-SNAP has crashed due to an uncaught exception. Your unsaved "
-                  "segmentation files were saved to %1")
-            .arg(backup_dir));
+      test_terminate_handler();
       rc = -1;
     }