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《Linux从练气到飞升》No.30 深入理解 POSIX 信号量与生产消费模型

前言在多线程编程领域，理解 POSIX 信号量的概念和相关函数是至关重要的。POSIX 信号量作为一种重要的同步原语，可以帮助我们在多线程环境中实现线程之间的协调与同步，从而确保数据的一致性和避免竞争条件的发生。本篇博客旨在深入探讨 POSIX 信号量的基本概念和相关函数，帮助读者全面理解这一关键的...

Linux信号量：POSIX标准接口、实现生产者与消费者模型

一、信号量简介1.信号量本质：内核中的一个计数器+等待队列操作：PV操作 P操作：判断计数器：大于0，则返回，返回前计数器-1； &n...

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