Java Code Examples for java.util.concurrent.atomic.AtomicMarkableReference#compareAndSet()

The following examples show how to use java.util.concurrent.atomic.AtomicMarkableReference#compareAndSet() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AtomicMarkableReferenceTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * compareAndSet in one thread enables another waiting for reference value
 * to succeed
 */
public void testCompareAndSetInMultipleThreads() throws Exception {
    final AtomicMarkableReference ai = new AtomicMarkableReference(one, false);
    Thread t = new Thread(new CheckedRunnable() {
        public void realRun() {
            while (!ai.compareAndSet(two, three, false, false))
                Thread.yield();
        }});

    t.start();
    assertTrue(ai.compareAndSet(one, two, false, false));
    t.join(LONG_DELAY_MS);
    assertFalse(t.isAlive());
    assertSame(three, ai.getReference());
    assertFalse(ai.isMarked());
}
Example 2
Source File: AtomicMarkableReferenceTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * compareAndSet in one thread enables another waiting for mark value
 * to succeed
 */
public void testCompareAndSetInMultipleThreads2() throws Exception {
    final AtomicMarkableReference ai = new AtomicMarkableReference(one, false);
    Thread t = new Thread(new CheckedRunnable() {
        public void realRun() {
            while (!ai.compareAndSet(one, one, true, false))
                Thread.yield();
        }});

    t.start();
    assertTrue(ai.compareAndSet(one, one, false, true));
    t.join(LONG_DELAY_MS);
    assertFalse(t.isAlive());
    assertSame(one, ai.getReference());
    assertFalse(ai.isMarked());
}
Example 3
Source File: AtomicMarkableReferenceTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up 
/**
 * compareAndSet in one thread enables another waiting for reference value
 * to succeed
 */
public void testCompareAndSetInMultipleThreads() throws Exception {
    final AtomicMarkableReference ai = new AtomicMarkableReference(one, false);
    Thread t = new Thread(new CheckedRunnable() {
        public void realRun() {
            while (!ai.compareAndSet(two, three, false, false))
                Thread.yield();
        }});

    t.start();
    assertTrue(ai.compareAndSet(one, two, false, false));
    t.join(LONG_DELAY_MS);
    assertFalse(t.isAlive());
    assertSame(three, ai.getReference());
    assertFalse(ai.isMarked());
}
Example 4
Source File: AtomicMarkableReferenceTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up 
/**
 * compareAndSet in one thread enables another waiting for mark value
 * to succeed
 */
public void testCompareAndSetInMultipleThreads2() throws Exception {
    final AtomicMarkableReference ai = new AtomicMarkableReference(one, false);
    Thread t = new Thread(new CheckedRunnable() {
        public void realRun() {
            while (!ai.compareAndSet(one, one, true, false))
                Thread.yield();
        }});

    t.start();
    assertTrue(ai.compareAndSet(one, one, false, true));
    t.join(LONG_DELAY_MS);
    assertFalse(t.isAlive());
    assertSame(one, ai.getReference());
    assertFalse(ai.isMarked());
}
Example 5
Source File: AtomicMarkableReferenceDemo.java    From JavaCommon with Apache License 2.0 4 votes vote down vote up 
public static void main(String[] args) {
    Integer a = 1;
    AtomicMarkableReference atomicMarkableReference = new AtomicMarkableReference(a, false);
    atomicMarkableReference.compareAndSet(1, 2, false, true);
}