Fix TDM hang in certain circumstances when themed greeter is deleted

This resolves Bug 1453
Resolve themed greeter drawing inconsistencies between composited and non-composited mode

1 files changed, 5 insertions, 1 deletions

diff --git a/tdm/kfrontend/kgreeter.cpp b/tdm/kfrontend/kgreeter.cpp
index 0d89b065c..5ff8d5516 100644
--- a/tdm/kfrontend/kgreeter.cpp
+++ b/tdm/kfrontend/kgreeter.cpp
@@ -154,8 +154,9 @@ public:
         return TDEListView::paintEmptyArea(p, rect );
 
         const TQPixmap *pm = TQT_TQPIXMAP_CONST(paletteBackgroundPixmap());
-        if (!pm || pm->isNull())
+        if (!pm || pm->isNull()) {
             return;
+        }
 
         kdDebug() << "paintEmpty " << rect << endl;
         TQRect devRect = p->xForm( rect );
@@ -1355,6 +1356,9 @@ void ControlPipeHandlerObject::run(void) {
 				return;
 			}
 		}
+
+		// Thread cancellation point
+		usleep(1);
 	}
 	TQApplication::eventLoop()->exit(-1);
 }