# tokio-sync Synchronization utilities > **Note:** This crate is **deprecated in tokio 0.2.x** and has been moved into > [`tokio::sync`] behind the `sync` [feature flag]. [`tokio::sync`]: https://docs.rs/tokio/latest/tokio/sync/index.html [feature flag]: https://docs.rs/tokio/latest/tokio/index.html#feature-flags [Documentation](https://docs.rs/tokio-sync/0.1.6/tokio_sync/) ## Overview This crate provides synchronization utilities for usage with Tokio. ## License This project is licensed under the [MIT license](LICENSE). ### Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Tokio by you, shall be licensed as MIT, without any additional terms or conditions.