IO Multiplexing

What

CONCURRENT SERVERS WITHOUT THREADS

How

• select()
• poll()
• epoll()

Why

• Pros: No Lock needed.
• Cons:
  • Blocking System Calls because only one thread is running. Unlike thread based concurrency which can have another thread running while doing IO.

Rules

1. No blocking calls are allowed

Links

• NodeJS
• JavaScript Event Loop
• epoll()
• Reactive Programming
• libuv