*/
    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released
            if ( this.file instanceof SmbNamedPipe ) {
                this.handle = this.file.openUnshared(
                    SmbConstants.O_EXCL,
                    ( (SmbNamedPipe) this.file ).getPipeType() & 0xFF0000,

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

/*
 * Source:
 * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/jsr166e/Striped64.java?revision=1.9
 */

package com.google.common.cache;

import com.google.common.annotations.GwtIncompatible;
import java.lang.reflect.Field;

                this.handle.close();
            }
            else if ( this.handle != null ) {
                this.handle.release();
            }
            this.handle = null;
        }
        finally {
            if ( this.treeHandle != null ) {
                this.treeHandle.release();
            }
        }
    }

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

/*
 * Source:
 * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/jsr166e/LongAdder.java?revision=1.17
 */

package com.google.common.cache;

import com.google.common.annotations.GwtCompatible;
import java.io.IOException;

		return x2.UnmarshalMsg(bts)
	case xlHeaderVersion:
		return x.UnmarshalMsg(bts)
	}
	return bts, fmt.Errorf("unknown xlHeaderVersion: %d", v)
}

// unmarshalV1 decodes version 1, never released.
func (x *xlMetaV2VersionHeader) unmarshalV1(bts []byte) (o []byte, err error) {
	var zb0001 uint32
	zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
	if err != nil {
		err = msgp.WrapError(err)
		return
	}

#### Http2Stream

This lock guards the internal state of each stream. As above, it is never held for blocking operations. When we need to hold an application thread to block a read, we use wait/notify on this lock. This works because the lock is released while `wait()` is waiting.

#### Http2Writer

    @Override
    public void close () {
        release(false);
    }


    public void release () {
        release(true);
    }


    /**
     * @param track
     */
    public void release ( boolean track ) {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release tree " + usage + " " + this);
        }

                writer.println("<a name=\"sec_$version\"></a>")
                writer.println(
                    "<h2>Incubating since $version (${versions[version]?.run { "released on $this" } ?: "unreleased"})</h2>"
                )
                writer.println("<ul>")
                incubatingDescriptions.sorted().forEach { incubating ->
                    writer.println("   <li>${incubating.escape()}</li>")

  val buffer = Buffer()

  /**
   * Reference count of the number of active sources reading this stream. When decremented to 0
   * resources are released and all following calls to [.newSource] return null. Guarded by this.
   */
  var sourceCount = 0

  val isClosed: Boolean
    get() = file == null

  @Throws(IOException::class)
  private fun writeHeader(

     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close () {
        release();
    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release transport " + usage + " " + this);
        }

        if ( usage == 0 ) {