}

        if (track && this.traceResource) {
            synchronized (this.acquires) {
                this.acquires.add(truncateTrace(Thread.currentThread().getStackTrace()));
            }
        }

        if (usage == 1) {
            synchronized (this) {
                if (this.sessionAcquired.compareAndSet(false, true)) {

                // we are in the transport thread, ie. on idle disconnecting
                // this is synchronous operation
                // This does not handle compound requests
                synchronized (this.inLock) {
                    final Long peekKey = peekKey();
                    if (peekKey == firstKey) {
                        doRecv(response);
                        response.received();

     */
    @Override
    public final void received() {
        if (isAsync() && getStatus() == NtStatus.NT_STATUS_PENDING) {
            synchronized (this) {
                notifyAll();
            }
            return;
        }
        this.received = true;
        synchronized (this) {
            notifyAll();
        }
    }

    /**
     * {@inheritDoc}
     *

            return hashAlgorithm;
        }

        public byte[] getCurrentHash() {
            synchronized (hashLock) {
                return currentHash.clone();
            }
        }

        public void updateHash(byte[] newHash) {
            synchronized (hashLock) {
                if (newHash != null && newHash.length == currentHash.length) {

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbFileHandle#close(long)
     */
    @Override
    public synchronized void close(final long lastWriteTime) throws CIFSException {
        closeInternal(lastWriteTime, true);
    }

    /**
     * @param lastWriteTime
     * @throws SmbException
     */

                log.debug("Usage dropped to zero, release connection " + this.transport);
            }
            // Ensure atomic cleanup of all resources
            synchronized (this) {
                // Double-check usage count within synchronized block
                if (this.usageCount.get() != 0) {
                    return; // Another thread acquired the session
                }

     * @see jcifs.SmbPipeHandle#isStale()
     */
    @Override
    public boolean isStale() {
        return !this.open || this.handle != null && !this.handle.isValid();
    }

    @Override
    public synchronized SmbFileHandleImpl ensureOpen() throws CIFSException {
        if (!this.open) {
            throw new SmbException("Pipe handle already closed");
        }

        if (!isOpen()) {

                        BufferCache.releaseBuffer(buffer);
                        successCount.incrementAndGet();
                    }
                } catch (Exception e) {
                    synchronized (exceptions) {
                        exceptions.add(e);
                    }
                } finally {
                    endLatch.countDown();
                }
            });
        }

        // When - Release session to trigger cleanup
        session.release();

        // Then - Trees should be cleared (we can't directly verify as it's internal,
        // but the cleanup code with synchronized block ensures it happens atomically)
        // The important part is that no exception occurs and the operation is atomic
    }

    /**
     * Test concurrent acquire and release operations.
     */

                            boolean contains = pool.contains(null); // Should handle gracefully
                            successCount.incrementAndGet();
                        } catch (Exception e) {
                            synchronized (exceptions) {
                                exceptions.add(e);
                            }
                        }
                    }
                    long threadEnd = System.nanoTime();