synchronized (rootThreadGroup) { mcThread = new MasterControlThread(rootThreadGroup); mcThread.setPriority(threadPriority); } return null; }
Renderer r; synchronized (rootThreadGroup) { r = new Renderer(rootThreadGroup); r.initialize(); r.setPriority(threadPriority); Screen3D.deviceRendererMap.put(gd, r); } return null; }
                public Object run() {		    synchronized (rootThreadGroup) {			mcThread = new			    MasterControlThread(rootThreadGroup);			mcThread.setPriority(threadPriority);		    }		    return null;		}