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#systems-programming

2 posts

LinuxDeep Dive October 3, 2026 8 min read

Linux epoll Readiness Semantics: Edge-Triggered I/O, Lifetimes, and Fairness

Build correct Linux epoll loops by handling readiness, edge-triggered drains, duplicated descriptors, one-shot rearming, and backpressure explicitly.

#linux#epoll#sockets

WindowsDeep Dive October 3, 2026 3 min read

Understand IOCP queue and worker semantics, preserve OVERLAPPED lifetimes, and distinguish failed I/O packets from completion-port timeouts.

#windows#iocp#overlapped-io