class ShortCircuitShm {

  public void free() {
    try {
      POSIX.munmap(baseAddress, mmappedLength);
    } catch (IOException e) {
      LOG.warn(this + ": failed to munmap", e);
    }
    LOG.trace(this + ": freed");
  }

  public  ShortCircuitShm(ShmId shmId, FileInputStream stream);

}