libevent是一个事件触发的网络库，适用于windows、linux、bsd等多种平台，内部使用select、epoll、kqueue等系统调用管理事件机制。著名分布式缓存软件memcached也是libevent based，而且libevent在使用上可以做到跨平台。-libevent is an event triggered by the network library for windows, linux, bsd and other platforms, the internal use of select, epoll,

management of events such as kqueue system call mechanism. Memcached distributed caching software is famous libevent based, and in the use of libevent

Can be cross-platform.