Recommended courses on re-entry locking

1. Overview This article first introduces the Lock interface, the class hierarchy of ReentrantLock, and the simple principles of the lock function template class AbstractQueuedSynchronizer. Then it explains the internal principles of ReentrantLock by analyzing the lock method and unlock method of ReentrantLock, and finally makes a summary. This article does not cover condition variables in ReentrantLock. 1.1. Lock interface The Lock interface is an abstraction of tools for controlling concurrency. It is more flexible than using the synchronized keyword and can support condition variables. It is a tool for controlling concurrency. Generally speaking, it controls the exclusivity of a certain shared resource. In other words, only one thread can acquire this lock and occupy resources at the same time. If other threads want to acquire the lock, they must wait for this thread to release the lock. ReentrantLock in Java implementation is such a lock. Another kind of lock, which can allow multiple threads to read resources, but can only allow one thread to write resources, ReadWriteLock is like this

1. Detailed explanation of reentrant lock ReentrantLock in Java Principle sample code

Introduction: 1. Overview This article first introduces the Lock interface and the class hierarchy of ReentrantLock And the simple principle of the lock function template class AbstractQueuedSynchronizer, and then explain the internal principle of ReentrantLock by analyzing the lock method and unlock method of ReentrantLock, and finally make a summary. This article does not cover condition variables in ReentrantLock. 1.1. Lock interface The Lock interface is an abstraction of tools for controlling concurrency. It is better than using the synchronized keyword..

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Introduction: When multiple resources are shared between threads, if two threads occupy part of the resources and wait for each other's resources at the same time, it will cause Deadlock. Although deadlock rarely occurs, when it occurs...

3. Python multi-threaded programming (6): Reentrant lock RLock

Introduction: This article mainly introduces Python multi-threaded programming (6): reentrant lock RLock. This article directly gives usage examples, and then explains how to use RLock to avoid deadlocks. Friends in need You can refer to the following

4. Examples to explain deadlocks, reentrant locks and mutex locks in Python

# #Introduction: This article mainly introduces examples to explain deadlocks, reentrant locks and mutex locks in Python. Although the GIL problem of Python is a commonplace in thread programming... Friends who need it can refer to it

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