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java源码 - ReentrantLock图解加锁过程

开篇用图形化的方式加深加锁和解锁过程的解释性。 java源码 - ReentrantLockjava源码 - ReentrantLock之FairSyncjava源码 - ReentrantLock之NonfairSyncjava源码 - ReentrantLock图解加锁过程加锁流程 1、首先...

java源码 - ReentrantLock之NonfairSync

开篇 NonfairSync和FairSync相比而言，多了一次抢占机会，其他处理逻辑几乎是一模一样。 NonfairSync的tryAcquire的操作流程中如果发现当前锁未被占用那么立即抢占锁。 FairSync的tryAcquire的操作流程中如果发现当前锁未被还需要继续判断当前线程否是头结...

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java源码 - ReentrantLock之FairSync

开篇这篇文章主要是讲解FairSync公平锁的源码分析，整个内容分为加锁过程、解锁过程，CLH队列等概念。首先一直困扰我的CLH队列的CLH的缩写我终于明白，看似三个人的人名的首字符缩写"CLH" (Craig, Landin, andHagersten)。加锁过程主要核心逻辑在于尝试获...

java源码 - ReentrantLock

开篇写完synchronized自然而然就必须分析一下java体系当中的另外一个锁ReentrantLock，相比synchronized的jvm层实现，ReentrantLock是jdk层面的实现。整个系列会分成3个部分进行讲解，分别是ReentrantLock本身的类关系，公平锁Fair...

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