Linux Kernel Implementation of epoll
The epoll(2) mechanism in the Linux kernel provides an efficeint I/O event notification system. This analysis is based on kernel version 5.0.18 and explores its internal structures, system calls, and handling of ready events.
Core Data Structures
The primary data structure representing an epoll instance is struct eventpoll:
struct eventpoll {
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Posted on Wed, 13 May 2026 21:03:41 +0000 by JackOfBlades