A Programmer-Friendly I/O Abstraction Over io_uring and kqueue
13 days ago
- #kqueue
- #io_uring
- #I/O-abstraction
- Introduction to I/O abstraction over io_uring (Linux) and kqueue (FreeBSD/macOS).
- Comparison between blocking I/O and non-blocking I/O, highlighting the inefficiency of system calls.
- Explanation of io_uring and kqueue APIs for batching I/O requests and handling completion events.
- Example of a minimal TCP echo server using io_uring in Zig.
- Discussion on abstracting I/O operations with callbacks for better code organization.
- Implementation details of a central dispatcher for I/O events, supporting both io_uring and kqueue.
- Handling of overflow queues when batch sizes are exceeded.
- Comparison between Linux (io_uring) and macOS (kqueue) implementations in TigerBeetle.
- Mention of Windows IOCP for cross-platform support.
- Discussion on single-threaded vs. multi-threaded event loops for different workloads.
- Potential for exposing the I/O library via a C API for broader language support.