Correctly wait for render thread to exit

1 files changed, 7 insertions, 0 deletions

diff --git a/src/declarative/items/qsgcanvas.cpp b/src/declarative/items/qsgcanvas.cpp
index 0500b752c7..97d643dae6 100644
--- a/src/declarative/items/qsgcanvas.cpp
+++ b/src/declarative/items/qsgcanvas.cpp
@@ -2316,6 +2316,13 @@ void QSGCanvasRenderThread::stopRenderThread()
     }
 
     unlockInGui();
+
+#ifdef THREAD_DEBUG
+    printf("GUI: waiting for render thread to terminate..\n");
+#endif
+    // Actually wait for the thread to terminate.  Otherwise we can delete it
+    // too early and crash.
+    QThread::wait();
 }