【代码】使用ReentrantLock还可以调用lockInterruptibly方法，可以对线程interrupt方法做出响应

叁歲伎倆 2023-10-06 08:17 4阅读 0赞

import java.util.concurrent.TimeUnit;
    import java.util.concurrent.locks.Lock;
    import java.util.concurrent.locks.ReentrantLock;
    
    /**
     * 使用ReentrantLock还可以调用lockInterruptibly方法，可以对线程interrupt方法做出响应，
     * 在一个线程等待锁的过程中，可以被打断
     */
    public class T04_ReentrantLock4 {
        
    		
    	public static void main(String[] args) {
        
    		Lock lock = new ReentrantLock();
    		
    		
    		Thread t1 = new Thread(()->{
        
    			try {
        
    				lock.lock();
    				System.out.println("t1 start");
    				TimeUnit.SECONDS.sleep(Integer.MAX_VALUE);
    				System.out.println("t1 end");
    			} catch (InterruptedException e) {
        
    				System.out.println("interrupted!");
    			} finally {
        
    				lock.unlock();
    			}
    		});
    		t1.start();
    		
    		Thread t2 = new Thread(()->{
        
    			try {
        
    				//lock.lock();
    				lock.lockInterruptibly(); //可以对interrupt()方法做出响应
    				System.out.println("t2 start");
    				TimeUnit.SECONDS.sleep(5);
    				System.out.println("t2 end");
    			} catch (InterruptedException e) {
        
    				System.out.println("interrupted!");
    			} finally {
        
    				lock.unlock();
    			}
    		});
    		t2.start();
    		
    		try {
        
    			TimeUnit.SECONDS.sleep(1);
    		} catch (InterruptedException e) {
        
    			e.printStackTrace();
    		}
    		t2.interrupt(); //打断线程2的等待
    		
    	}
    }

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