// has reached zero, i.e when all the readers have given up their locks.
type RLockedFile struct {
	*LockedFile
	mutex sync.Mutex
	refs  int // Holds read lock refs.
}

// IsClosed - Check if the rlocked file is already closed.
func (r *RLockedFile) IsClosed() bool {
	r.mutex.Lock()
	defer r.mutex.Unlock()
	return r.refs == 0
}

// IncLockRef - is used by called to indicate lock refs.
func (r *RLockedFile) IncLockRef() {

        bufferIndex += 8;
        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        if ( log.isDebugEnabled() ) {
            log.debug(String.format("Closed %s (%s)", Hexdump.toHexString(this.fileId), this.fileName));
        }

        return bufferIndex - start;
    }

          }
        }
      }

      assertThat(call.canceled).isTrue()
      assertThat(call.responseClosed).isTrue()
    }
  }

  /** A call that keeps track of whether its response body is closed. */
  private class ClosableCall : FailingCall() {
    private val response =
      Response.Builder()
        .request(Request("https://example.com/".toHttpUrl()))
        .protocol(Protocol.HTTP_1_1)

            // Before blocking, confirm that the stream we're writing is still open. It's possible
            // that the stream has since been closed (such as if this write timed out.)
            if (!streams.containsKey(streamId)) {
              throw IOException("stream closed")
            }
            condition.await() // Wait until we receive a WINDOW_UPDATE.
          }
        } catch (e: InterruptedException) {

        "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",
        "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",

        "The directory is not empty.",
        "Cannot create a file when that file already exists.",
        "All pipe instances are busy.",
        "The pipe is being closed.",
        "No process is on the other end of the pipe.",
        "More data is available.",
        "This user account has expired.",
        "The user is not allowed to log on from this workstation.",

    /**
     * How many concurrent calls should be possible to make at any time.
     * The pool will routinely try to pre-emptively open connections to satisfy this minimum.
     * Connections will still be closed if they idle beyond the keep-alive but will be replaced.
     */
    @JvmField val minimumConcurrentCalls: Int = 0,
    /** How long to wait to retry pre-emptive connection attempts that fail. */

  public CharSequenceReader(CharSequence seq) {
    this.seq = checkNotNull(seq);
  }

  private void checkOpen() throws IOException {
    if (seq == null) {
      throw new IOException("reader closed");
    }
  }

  private boolean hasRemaining() {
    return remaining() > 0;
  }

  private int remaining() {
    requireNonNull(seq); // safe as long as we call this only after checkOpen

  public CharSequenceReader(CharSequence seq) {
    this.seq = checkNotNull(seq);
  }

  private void checkOpen() throws IOException {
    if (seq == null) {
      throw new IOException("reader closed");
    }
  }

  private boolean hasRemaining() {
    return remaining() > 0;
  }

  private int remaining() {
    requireNonNull(seq); // safe as long as we call this only after checkOpen

	}

	// Close underneath HTTP listener.
	srv.listenerMutex.Lock()
	err := srv.listener.Close()
	srv.listenerMutex.Unlock()
	if err != nil {
		return err
	}

	// Wait for opened connection to be closed up to Shutdown timeout.
	return nil
}

// UseIdleTimeout configure idle connection timeout
func (srv *Server) UseIdleTimeout(d time.Duration) *Server {
	srv.IdleTimeout = d
	return srv
}