Changeset 45335 in vbox for trunk/src

Timestamp:

Apr 4, 2013 10:54:15 AM (12 years ago)

Author:

vboxsync

Message:

FE/Qt: Progress-dialog: Protect against crash on self-destructing in own event-loop.

File:

• trunk/src/VBox/Frontends/VirtualBox/src/widgets/UIProgressDialog.cpp (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/widgets/UIProgressDialog.cpp

@@ -153 +153 @@
 #endif /* Q_WS_MAC */
 
-        /* Enter the modal loop, but don't show the window immediately */
-        exec(false);
+        /* Create a local event-loop: */
+        {
+            /* Guard ourself for the case
+             * we destroyed ourself in our event-loop: */
+            QPointer<UIProgressDialog> guard = this;
+
+            /* Enter the modal loop, but don't show the window immediately: */
+            exec(false);
+
+            /* Are we still valid? */
+            if (guard.isNull())
+                return Rejected;
+        }
 
         /* Kill refresh timer */