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Android Binder机制

Binder简介 Binder简介 Binder驱动 binder使用内存映射(mmap)来实现进程间传递数据,比较传统的进程间通信. binder只需要进行一次的数据拷贝(copy_from_user()). 传统进程通信需要经过两次数据拷贝(copy_from_user(),copy_to_us...

android binder机制详解

摘要 Binder是android中一个很重要且很复杂的概念，它在系统的整体运作中发挥着极其重要的作用，不过本文并不打算从深层次分析Binder机制，有两点原因：1是目前网上已经有2篇很好的文章了，2是对Binder机制进行深入底层乃至驱动的分析这一过程相当困难且相当耗时，因此并不适合重复造轮子。本...

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2011年Android Binder机制学习笔记之一

2011年Android Binder机制学习笔记之一一．Bn是什么缩写？ Binder Native 二．Bp是什么缩写？ Binder Proxy 三．Binder两个方面? 从应用程序的角度看Binder一共有两个方面： ■Native 本地：例如BnABC，这是一个需要被继承和实现的类。 ...

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