monadbobo/libevent

Libevent is a C library that makes it easier for programs to handle many simultaneous events or connections efficiently. Think of it like a traffic controller for your application, instead of your program blocking while waiting for data from a network socket or file, libevent lets it handle thousands of incoming requests, timer events, or data arrivals all at once without getting stuck. At its core, libevent abstracts away the messy differences between operating systems. On Linux it might use epoll, on macOS it might use kqueue, and on Windows it might use different mechanisms entirely, but your code stays the same. It also provides a simple programming interface so you can register events (like "when data arrives on this socket" or "when this timer fires") and attach callbacks that run when those events happen. This is much faster and cleaner than creating a new thread for every connection, which would bog down a server trying to handle thousands of users simultaneously. Developers building high-performance network services use this library constantly. Web servers like Apache and Nginx, chat applications, game servers, and anything that needs to handle many concurrent connections rely on libevent under the hood. It's been around for years and is widely trusted in production systems. The README notes this is a public fork, the official project lives elsewhere, but this repository includes the full source code, build instructions, and regression tests to verify everything works correctly on your system. If you're building a networked application in C and need reliable, battle-tested infrastructure for handling events across many connections, this is a standard choice in the ecosystem.