/**
   * Interrupts the running task. Because this internally calls {@link Thread#interrupt()} which can
   * in turn invoke arbitrary code it is not safe to call while holding a lock.
   */
  final void interruptTask() {
    // Since the Thread is replaced by DONE before run() invokes listeners or returns, if we succeed

    private static final String RO = Config.getProperty( "jcifs.smb1.resolveOrder" );

    private static LogStream log = LogStream.getInstance();

    private final Object LOCK = new Object();

    private int lport, closeTimeout;
    private byte[] snd_buf, rcv_buf;
    private DatagramSocket socket;
    private DatagramPacket in, out;
    private HashMap responseTable = new HashMap();

  /**
   * The current state of the service. This should be written with the lock held but can be read
   * without it because it is an immutable object in a volatile field. This is desirable so that
   * methods like {@link #state}, {@link #failureCause} and notably {@link #toString} can be run
   * without grabbing the lock.
   *
   * <p>To update this field correctly the lock must be held to guarantee that the state is
   * consistent.
   */

    static final int DEFAULT_NOTIFY_BUF_SIZE = 1024;

    static final int DEFAULT_SSN_LIMIT = 250;
    static final int DEFAULT_CONN_TIMEOUT = 35000;

    static final int FLAGS_NONE = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED = 0x10;

      for (Segment<?, ?> segment : map.segments) {
        drainRecencyQueue(segment);
      }
    }
  }

  static void drainRecencyQueue(Segment<?, ?> segment) {
    segment.lock();
    try {
      segment.cleanUp();
    } finally {
      segment.unlock();
    }
  }

  static void drainReferenceQueues(Cache<?, ?> cache) {
    if (hasLocalCache(cache)) {

    }

    @Override
    public E element() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.element();
    }

    @Override
    public Iterator<E> iterator() {
      // We explicitly don't lock for iterator()
      assertFalse(Thread.holdsLock(mutex));
      return delegate.iterator();
    }

    @Override
    public int size() {
      assertTrue(Thread.holdsLock(mutex));
      return delegate.size();

    static final int LM_COMPATIBILITY = Config.getInt( "jcifs.smb1.smb.lmCompatibility", 3);

    static final int FLAGS_NONE                           = 0x00;
    static final int FLAGS_LOCK_AND_READ_WRITE_AND_UNLOCK = 0x01;
    static final int FLAGS_RECEIVE_BUFFER_POSTED          = 0x02;
    static final int FLAGS_PATH_NAMES_CASELESS            = 0x08;
    static final int FLAGS_PATH_NAMES_CANONICALIZED       = 0x10;

        if (metadataFile.length() == 0) {
            if (!metadataFile.delete()) {
                // sleep for 10ms just in case this is windows holding a file lock
                try {
                    Thread.sleep(10);
                } catch (InterruptedException e) {
                    // ignore
                }

        Exception ex0 = null;

        try {
            /* We cannot synchronize (run_thread) here or the caller's
             * thread.wait( timeout ) cannot reaquire the lock and
             * return which would render the timeout effectively useless.
             */
            doConnect();
        } catch( Exception ex ) {
            ex0 = ex; // Defer to below where we're locked

 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.lock;


import jcifs.Configuration;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.smb2.ServerMessageBlock2Response;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;