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#overlapped-io

2 posts

WindowsDeep Dive October 3, 2026 3 min read

Windows I/O Completion Ports: Building Correct Overlapped-I/O Workers

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

#windows#iocp#overlapped-io

WindowsDeep Dive October 3, 2026 10 min read

Windows I/O Rings: Capability Checks, Queue Backpressure, and Completion Lifetime

Build Windows I/O ring code around runtime capability checks, bounded submission queues, completion correlation, cancellation races, and orderly teardown.

#io-rings#overlapped-io#native-code