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  • 【多线程】Lock接口与其实现类

    concurrentlocks包

    Lock:抽象接口       LockSupport:

    AbstractXXXSynchronized:同步器,

    XXXLock

    内部包含AQS(AbstractQueuedSynchronizer,参考其他总结)的使用

    ReentrantLock.java(默认非公平锁)

    public class ReentrantLock implements Lock, java.io.Serializable {
        private static final long serialVersionUID = 7373984872572414699L;
        /** Synchronizer providing all implementation mechanics */
        private final Sync sync;
    
        /**
         * Base of synchronization control for this lock. Subclassed
         * into fair and nonfair versions below. Uses AQS state to
         * represent the number of holds on the lock.
         */
        abstract static class Sync extends AbstractQueuedSynchronizer {

    ReentrantReadWriteLock

    public class ReentrantReadWriteLock
            implements ReadWriteLock, java.io.Serializable {
        private static final long serialVersionUID = -6992448646407690164L;
        /** Inner class providing readlock */
        private final ReentrantReadWriteLock.ReadLock readerLock;
        /** Inner class providing writelock */
        private final ReentrantReadWriteLock.WriteLock writerLock;
        /** Performs all synchronization mechanics */
        final Sync sync;
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  • 原文地址:https://www.cnblogs.com/clarino/p/13568285.html
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