技術標籤：併發程式設計

 private AtomicReference<Thread> atomicReference=new AtomicReference<>();

    public void mylock(){
        Thread thread=Thread.currentThread();
        System.out.println(Thread.currentThread().getName()+"come in");
       while (!atomicReference.compareAndSet
 
(null,thread)){

       };
    }
    public void myunlock(){
        Thread thread=Thread.currentThread();
        atomicReference.compareAndSet(thread,null);
        System.out.println(Thread.currentThread().getName()+"invoke myunlock");
    }

    public static void main(String[] args) {
 

        Spinlock spinlock=new Spinlock();
        new Thread(()->{
            spinlock.mylock();
            try {
                TimeUnit.SECONDS.sleep(5);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            spinlock.myunlock();

        }
 
,"AA").start();
        new Thread(()->{
            spinlock.mylock();
            spinlock.myunlock();
        },"BB").start();

    }