select

select is a multiplexing system call in Linux used for monitoring multiple file descriptors to check if they are ready for I/O operations. It is commonly used in server-side game development for handling multiple connections asynchronously. However, select has limitations, as it scans all file descriptors linearly, making it inefficient for handling a large number of concurrent connections. Despite its drawbacks, it remains useful for simpler applications or legacy systems. Modern alternatives like epoll or kqueue offer better performance and scalability.

Visit the following resources to learn more:

• @documentation@Linux select API
• @article@select vs epoll vs poll