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如何理解网络阻塞 I/O：BIO

在计算机科学中，I/O（输入/输出）操作是处理数据的关键部分。特别是在网络编程中，阻塞I/O（Blocking I/O）是一个常见的话题。在网络应用中，当一个系统资源（如内存或处理器时间）被占用时，程序需要等待直到资源变得可用。这种等待被称为阻塞。在Java中，BIO（Blocking I/O）是...

深入理解Linux网络——内核与用户进程协作之同步阻塞方案（BIO）

在上一部分中讲述了网络包是如何从网卡送到协议栈的（详见深入理解Linux网络——内核是如何接收到网络包的），接下来内核还有一项重要的工作，就是在协议栈接收处理完输入包后要通知到用户进程，如何用户进程接收到并处理这些数据。进程与内核配合有多种方案，这里我们这分析两种典型的：同步阻塞方案（...

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