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Java Review - 并发编程_读写锁ReentrantReadWriteLock的原理&源码剖析

ReentrantLock VS ReentrantReadWriteLock解决线程安全问题使用ReentrantLock就可以，但是ReentrantLock是独占锁，某时只有一个线程可以获取该锁，而实际中会有写少读多的场景，显然ReentrantLock满足不了这个需求，所以Reentrant...

Java JUC ReentrantReadWriteLock解析

读写锁 ReentrantReadWriteLock 原理介绍ReentrantReadWriteLock 和 ReentrantLock 的区别是，ReentrantLock 是独占锁，同一时间只能有一个线程获取锁，但在实际中更多的是读多写少的情况，显然 ReentrantLock 满足不了该情况...

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Java并发编程 - AQS 之 ReentrantReadWriteLock

介绍ReentrantLock是互斥排他锁，同一时间只能有一个线程在执行任务，ReentrantLock支持锁的重入功能，虽然保证了线程的安全性，但是效率不高，实际上应该是写操作互斥，读操作共享。而jdk提供了读写锁ReentrantReadWriteLock。公共代码（下面四种情况代码根据时间等候...

Java 读写锁 ReentrantReadWriteLock 源码分析

原文出处：https://javadoop.com/post/reentrant-read-write-lock 本文内容：读写锁 ReentrantReadWriteLock 的源码分析，基于 Java7/Java8。阅读建议：虽然我这里会介绍一些 AQS 的知识，不过如果你完全不了解 AQS，...

java源码 - ReentrantReadWriteLock读锁介绍

开篇这篇文章主要从源码角度讲解ReentrantReadWriteLock的ReadLock的加锁和减锁过程。 ReentrantReadWriteLock的ReadLock加锁解锁过程依赖于AQS类，所以有些相同的逻辑可以看看ReentrantLock的逻辑。 ReentrantReadWrit...

java源码 - ReentrantReadWriteLock写锁介绍

开篇这篇文章主要从源码角度讲解ReentrantReadWriteLock的WriteLock的加锁和减锁过程。 ReentrantReadWriteLock的WriteLock加锁解锁过程依赖于AbstractQueuedSynchronizer（AQS）类，所以有些相同的逻辑可以看看Ree...

java源码 - ReentrantReadWriteLock介绍

开篇 ReentrantReadWriteLock是Lock的另一种实现方式，我们已经知道了ReentrantLock是一个排他锁，同一时间只允许一个线程访问，而ReentrantReadWriteLock允许多个读线程同时访问，但不允许写线程和读线程、写线程和写线程同时访问。相对于排他锁，提...

Java 读写锁 ReentrantReadWriteLock 源码分析

本文内容：读写锁 ReentrantReadWriteLock 的源码分析，基于 Java7/Java8。阅读建议：虽然我这里会介绍一些 AQS 的知识，不过如果你完全不了解 AQS，看本文就有点吃力了。目录使用示例 ReentrantReadWriteLock 总览源码分析读锁获取读锁...

Java并发编程笔记之读写锁 ReentrantReadWriteLock 源码分析

我们知道在解决线程安全问题上使用 ReentrantLock 就可以，但是 ReentrantLock 是独占锁，同时只有一个线程可以获取该锁，而实际情况下会有写少读多的场景，显然 ReentrantLock 满足不了需求，所以 ReentrantReadWriteLock 应运而生，Reentra...

Java并发编程-读写锁（ReentrantReadWriteLock）

章节目录 ReentrantReadWriteLock 特性读写锁接口示例读写锁的实现分析读写状态设计写锁的释放与获取读锁的释放与获取锁降级 1. ReentrantReadWriteLock 特性 1.1 读写锁定义读写锁维护了一对锁，一个读锁，一个写锁，通过分离读锁写锁，使得并发性...

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