*/
  public boolean list (int list) {
    RequestOutputStream o = display.out;
    boolean ret;
    synchronized (o) {
      o.begin_request (glx.major_opcode, 141, 3);
      o.write_int32 (tag);
      o.write_int32 (list);
      ResponseInputStream i = display.in;
      synchronized (i) {
        i.skip (8);
        ret = i.read_bool();
        i.skip (20);
      }
    }
    return ret;
  }