def putTrashInBuffer(self):
        "Force a wake up of a thread sitting around waiting for the pipe"
        if os.path.exists(self.rawFeedPipe):

            import select
            try:
                f = os.open(self.rawFeedPipe,
                            flags=os.O_NONBLOCK | os.O_APPEND)
                s = 0
                for i in range(188 * 42):
                    r, w, x = select.select([], [f], [], 0.2)
                    if w:
                        f.write(b'b')
                    else:
                        s += 1
                        if s > 15:
                            return

            except Exception:
                print(traceback.format_exc())