1# Crossbeam Queue 2 3[![Build Status](https://travis-ci.org/crossbeam-rs/crossbeam.svg?branch=master)]( 4https://travis-ci.org/crossbeam-rs/crossbeam) 5[![License](https://img.shields.io/badge/license-MIT%2FApache--2.0-blue.svg)]( 6https://github.com/crossbeam-rs/crossbeam-queue/tree/master/src) 7[![Cargo](https://img.shields.io/crates/v/crossbeam-queue.svg)]( 8https://crates.io/crates/crossbeam-queue) 9[![Documentation](https://docs.rs/crossbeam-queue/badge.svg)]( 10https://docs.rs/crossbeam-queue) 11[![Rust 1.28+](https://img.shields.io/badge/rust-1.28+-lightgray.svg)]( 12https://www.rust-lang.org) 13[![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.gg/BBYwKq) 14 15This crate provides concurrent queues that can be shared among threads: 16 17* [`ArrayQueue`], a bounded MPMC queue that allocates a fixed-capacity buffer on construction. 18* [`SegQueue`], an unbounded MPMC queue that allocates small buffers, segments, on demand. 19 20[`ArrayQueue`]: https://docs.rs/crossbeam-queue/*/crossbeam_queue/struct.ArrayQueue.html 21[`SegQueue`]: https://docs.rs/crossbeam-queue/*/crossbeam_queue/struct.SegQueue.html 22 23## Usage 24 25Add this to your `Cargo.toml`: 26 27```toml 28[dependencies] 29crossbeam-queue = "0.2" 30``` 31 32Next, add this to your crate: 33 34```rust 35extern crate crossbeam_queue; 36``` 37 38## Compatibility 39 40The minimum supported Rust version is 1.28. Any change to this is considered a breaking change. 41 42## License 43 44Licensed under either of 45 46 * Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) 47 * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) 48 49at your option. 50 51#### Contribution 52 53Unless you explicitly state otherwise, any contribution intentionally submitted 54for inclusion in the work by you, as defined in the Apache-2.0 license, shall be 55dual licensed as above, without any additional terms or conditions. 56 57#### Third party software 58 59This product includes copies and modifications of software developed by third parties: 60 61* [src/array_queue.rs](src/array_queue.rs) is based on 62 [Bounded MPMC queue](http://www.1024cores.net/home/lock-free-algorithms/queues/bounded-mpmc-queue) 63 by Dmitry Vyukov, licensed under the Simplified BSD License and the Apache License, Version 2.0. 64 65See the source code files for more details. 66 67Copies of third party licenses can be found in [LICENSE-THIRD-PARTY](LICENSE-THIRD-PARTY). 68