Client|LogWidget: Avoid a race condition in the log sink

It was possible that when entries are added into the MemoryLogSink, there was a situation where an invalid index was accessed (likely due to a purge occurring in the background).
skyjake · Nov 23, 2013 · 07f95ae · 07f95ae
1 parent 6d623c0
commit 07f95ae
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/doomsday/client/src/ui/widgets/logwidget.cpp b/doomsday/client/src/ui/widgets/logwidget.cpp
@@ -242,6 +242,8 @@ public Font::RichFormat::IStyle
          */
         void beginWorkOnNext()
         {
+            DENG2_GUARD(this);
+
             while(_width > 0 && _next >= 0 && _next < entryCount())
             {
                 LogEntry const &ent = entry(_next);