synchronized (lock) {
            try {
                while (used == 0) {
                    lock.wait();
                }
            } catch (final InterruptedException ie) {
                throw new IOException(ie.getMessage());
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = (beg_idx + 1) % pipe_buf.length;
        }
        return result;
    }

    @Override

            } catch (final IOException ioe2) {
                ioe2.printStackTrace(log);
            }
            throw ioe;
        } catch (final InterruptedException ie) {
            throw new TransportException(ie);
        } finally {
            response_map.remove(request);
        }
    }

    private void loop() {
        while (thread == Thread.currentThread()) {
            try {

                    return;
                }
                try {
                    transport.wait();
                } catch (final InterruptedException ie) {
                    throw new SmbException(ie.getMessage(), ie);
                }
            }
            connectionState = 1; // trying ...

            try {
                transport.connect();

                /*

                    return;
                }
                try {
                    session.transport.wait();
                } catch (final InterruptedException ie) {
                    throw new SmbException(ie.getMessage(), ie);
                }
            }
            connectionState = 1; // trying ...

            try {
                /* The hostname to use in the path is only known for

            }
            try {
                log.debug("Waiting for transport");
                transport.wait();
            } catch (final InterruptedException ie) {
                throw new SmbException(ie.getMessage(), ie);
            }
        }
        return cs;
    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbTreeInternal#connectLogon(jcifs.CIFSContext)

        }
    }

    /**
     * Continues an MD4 message digest using the input byte.
     */
    @Override
    public void engineUpdate(final byte b) {
        // compute number of bytes still unhashed; ie. present in buffer
        final int i = (int) (count % BLOCK_LENGTH);
        count++; // update number of bytes
        buffer[i] = b;
        if (i == BLOCK_LENGTH - 1) {
            transform(buffer, 0);
        }

                ioe.addSuppressed(ioe2);
                log.info("disconnect failed", ioe2);
            }
            throw ioe;
        } catch (final InterruptedException ie) {
            throw new TransportException(ie);
        } finally {
            Response curResp = response;
            Request curReq = request;
            while (curResp != null) {

                        while (!w.isReady()) {
                            try {
                                w.wait();
                            } catch (final InterruptedException ie) {
                                throw new SmbException(dest.getURL().toString(), ie);
                            }
                        }
                        w.checkException();

                        if (read <= 0) {

                        response.received = false;
                        timeout -= System.currentTimeMillis() - start;
                    }

                } catch (final InterruptedException ie) {
                    throw new IOException(ie.getMessage());
                } finally {
                    responseTable.remove(nid);
                }

                synchronized (LOCK) {

                        response.received = false;
                        timeout -= System.currentTimeMillis() - start;
                    }

                } catch (final InterruptedException ie) {
                    throw new InterruptedIOException();
                } finally {
                    this.responseTable.remove(nid);
                }

                synchronized (this.LOCK) {