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Sergey Shishkin
Sergey Shishkin
serj-aleks.hashnode.dev·Apr 27, 2025
Apr 27, 2025

allowed

*Allow - глобальная переменная, содержащая разрешенные шаблоны доступа. Если ее значение не равно NIL, она должна содержать список, где CAR — это дерево idx разрешенных элементов, а CDR — список префиксных строк. : *Allow -> (("!start" ("!psh") "!sto...

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picolisp
whowin
whowin
whowin.cn·Jan 24, 2024
Jan 24, 2024

使用signal中止阻塞的socket函数的应用实例

在 socket 编程中,有一些函数是阻塞的,为了使程序高效运行,有一些办法可以把这些阻塞函数变成非阻塞的,本文介绍一种使用定时器信号中断阻塞函数的方法,同时介绍了一些信号处理和定时器设置的编程方法,本文附有完整实例的源代码,本文实例在 Ubuntu 20.04 上编译测试通过,gcc版本号为:9.4.0;本文不适合 Linux 编程的初学者阅读。 1 前言 在 socket 编程中,阻塞还是不阻塞是经常要考虑的问题,accept()、recv() 等一些函数都是阻塞函数,阻塞函数有时会给程...

使用signal中止阻塞的socket函数的应用实例
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