io_uring 是 2019 年 Linux 5.1 内核首次引入的高性能 异步 I/O 框架 [1,2],采用proactor模式 [1,3],支持网络、存储等多种系统调用,已经进入Boost.Asio [4]。 [1] https://man7.org/linux/man-pages/man7/io_uring.7.html [2] https://arthurchiao.art/blog/intro-to-io-uring-zh/ [3] https://stackoverflow.com/questions/76598320/is-epoll-a-better-api-than-io-uring [4] https://www.boost.org/doc/libs/1_78_0/doc/html/boost_asio/history.html