scala.collection.concurrent.CNodeBase Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of scala-library Show documentation
Show all versions of scala-library Show documentation
Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.collection.concurrent;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
abstract class CNodeBase extends MainNode {
public static final AtomicIntegerFieldUpdater updater = AtomicIntegerFieldUpdater.newUpdater(CNodeBase.class, "csize");
public volatile int csize = -1;
public boolean CAS_SIZE(int oldval, int nval) {
return updater.compareAndSet(this, oldval, nval);
}
public void WRITE_SIZE(int nval) {
updater.set(this, nval);
}
public int READ_SIZE() {
return updater.get(this);
}
}