tag

#asynchronous-io

3 posts

LinuxDeep Dive October 4, 2026 7 min read

Linux USB URBs: Submission, Completion, Cancellation, and Teardown

Follow USB Request Blocks through endpoint submission, asynchronous completion, cancellation, disconnect, and safe buffer lifetime in Linux drivers.

#linux#usb#drivers

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 8 min read

Windows Directory Change Notifications: ReadDirectoryChangesW Without Missed-State Assumptions

Build a resilient Windows directory watcher with ReadDirectoryChangesW, overlapped I/O, bounded buffers, overflow recovery, and reconciliation against current state.

#windows#win32#filesystem