The current io_uring implementation needs a modern Linux kernel (5.19+).

Features

• Most of the recent IO_URING features are available, ZC and other 6.1+ features are in TODO.
• Async TCP, UDP, Unix domain sockets and files...
• The proactor system doesn't block
• Scatter/Gather operations
• Minimal allocation
• More expressive than any other runtime
• Completely asynchronous I/O system with lock free programming

Examples

script
$ cd examples
$ cargo run --example fread-vect

Tests

script
$ cargo test --no-default-features --features=iouring # For iouring
$ cargo test # For others

Configurations

Evented IO backend

When the iouring feature gate is not enabled, the platforms evented backend is used. For example, on Linux, epoll would be used.

Executor

Executor is using async-global-executor. Available features are:

• async-exec: Uses async-io feature of async-global-executor.
• tokio

License

^{Licensed under either of Apache License, Version 2.0 or MIT license at your option.}

_{Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.}

Credits

_{^{Gif is from the documentary called "Particle Fever".}}