return osErrToFileErr(err)
		}
	}
	defer syscall.Close(fd)

	bufp := direntPool.Get()
	defer direntPool.Put(bufp)
	buf := *bufp

	boff := 0 // starting read position in buf
	nbuf := 0 // end valid data in buf

	for {
		if boff >= nbuf {
			boff = 0
			stop := globalOSMetrics.time(osMetricReadDirent)
			nbuf, err = syscall.ReadDirent(fd, buf)
			stop()
			if err != nil {

                        long ioff = 0;
                        for (int i = 0; i < chunks; i++) {
                            final long absoff = ooff + ioff;
                            final int csize = i == chunks - 1 ? lastChunkSize : maxChunkSize;
                            chunkInfo[i] = new SrvCopychunk(absoff, absoff, csize);
                            ioff += maxChunkSize;
                        }

     * @param src the source data array
     * @param soff the offset in the source array
     * @param slen the length of data to process
     * @param dst the destination array for the result
     * @param doff the offset in the destination array
     */
    public void update(final byte[] src, int soff, final int slen, final byte[] dst, int doff) {
        int slim = soff + slen;
        while (soff < slim) {
            i = i + 1 & 0xff;

    /**
     * Constructs a server copy chunk descriptor
     * @param soff the source file offset
     * @param toff the target file offset
     * @param len the length of data to copy
     */
    public SrvCopychunk(final long soff, final long toff, final int len) {
        this.sourceOffset = soff;
        this.targetOffset = toff;
        this.length = len;
    }

    /**
     * {@inheritDoc}
     *

   * single "stop" control is required to interrupt or turn off ancillary devices, DC4 is the
   * preferred assignment.)
   *
   * @since 8.0
   */
  public static final byte DC3 = 19; // aka XOFF

  /**
   * Transmission off. See {@link #XON} for explanation.
   *
   * @since 8.0
   */
  public static final byte XOFF = 19; // aka DC3

  /**

        StringBuilder buff = new StringBuilder();
        if (md.getExecutePhase() != null && !md.getExecutePhase().isEmpty()) {
            // forked phase
            if (md.getExecuteLifecycle() != null && !md.getExecuteLifecycle().isEmpty()) {
                buff.append('[');
                buff.append(md.getExecuteLifecycle());
                buff.append(']');
            }

    @Override
    public synchronized void write(final byte[] b, int off, final int len) throws IOException {
        if (len > 0xFFFF) {
            throw new IOException("write too large: " + len);
        }
        if (off < 4) {
            throw new IOException("NetBIOS socket output buffer requires 4 bytes available before off");
        }

        off -= 4;

        b[off + 0] = (byte) SessionServicePacket.SESSION_MESSAGE;

            result = len > used ? used : len;
            if (used > i && result > i) {
                System.arraycopy(pipe_buf, beg_idx, b, off, i);
                off += i;
                System.arraycopy(pipe_buf, 0, b, off, result - i);
            } else {
                System.arraycopy(pipe_buf, beg_idx, b, off, result);
            }
            used -= result;
            beg_idx = (beg_idx + result) % pipe_buf.length;
        }

                if (off + stub_frag_len > stub.length) {
                    // shouldn't happen if alloc_hint is correct or greater
                    final byte[] tmp = new byte[off + stub_frag_len];
                    System.arraycopy(stub, 0, tmp, 0, off);
                    stub = tmp;
                }

                System.arraycopy(frag, 24, stub, off, stub_frag_len);

    byte[] b;
    int off, dataCompactionMode, dataLength, dataOffset;

    SmbComReadAndXResponse() {
    }

    SmbComReadAndXResponse(final byte[] b, final int off) {
        this.b = b;
        this.off = off;
    }

    void setParam(final byte[] b, final int off) {
        this.b = b;
        this.off = off;
    }

    @Override