WebUse Example 1 Result: Thread A correctly handles the request, and write the result to the EventFD, and thread b reads the request processing result from the EventFD and correctly distributes it to other threads. Use Example 2: External single client continuously transmits multiple requests. WebOct 13, 2015 · CreateEvent --> eventfd CloseHandle --> close SetEvent --> write WaitForSingleObject --> read WaitForMultipleObjects --> select and read corresponding fd Some more reading http://www.sourcexr.com/articles/2013/10/26/lightweight-inter-process-signaling-with-eventfd Share Follow edited Nov 14, 2024 at 9:13 answered Oct 13, 2015 …
让事件飞 ——Linux eventfd 原理与实践 - 知乎
WebApr 10, 2014 · I don't set the nofile limit to more than 4096, because the hard nofile limit is 4096 on my system, and changing this requires some tricker system admin work. After … WebApr 9, 2024 · 我们在代码中使用 poll() 函数来阻塞等待多个文件描述符上的 I/O 事件的发生,直到有文件描述符上发生了事件,poll() 函数才会返回。revents 是实际发生的事件类 … how to say day month year in english
eventfdの使い方 - Qiita
Webeventfd ファイルディスクリプターの重要な点は、 eventfd ファイルディスクリプターが select(2), poll(2), epoll(7) を使って他のファイルディスクリプターと全く同様に監視できる点 である。 WebClass implementing event objects that has a fd that can be selected. This EventFD class implements the same functions as a regular Event but it The file descriptor can be accessed using the fileno function. This event can be passed to select, poll and it will block until the event will be set. clear()¶ Reset the internal flag to false. WebApr 14, 2024 · 一、性能查看的方法: 1、top 查看CPU使用情况; 2、free -m 查看内存情况; 二、I/O复用的基本概念 三、select 1、缺点: (1)最大只能监听1024个fd; (2)select能够监听到事件的发… northgate menu