From 6fc7f82a31b5bbb8d1a629d3ad0f7732e6d9aee3 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 19 Mar 2003 15:57:31 +0000
Subject: [PATCH] Added sync at the end of the main loop to prevent seg fault
 on exit.

---
 examples/osgimpostor/osgimpostor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/examples/osgimpostor/osgimpostor.cpp b/examples/osgimpostor/osgimpostor.cpp
index 0b0fcbb3d..6e0ab5453 100644
--- a/examples/osgimpostor/osgimpostor.cpp
+++ b/examples/osgimpostor/osgimpostor.cpp
@@ -339,6 +339,10 @@ int main( int argc, char **argv )
         viewer.frame();
         
     }
+    
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+    
 
     return 0;
 }