#scoped #thread #atomic #cache

no-std crossbeam-utils

Utilities for concurrent programming

16 unstable releases (5 breaking)

0.6.5 Jan 29, 2019
0.6.3 Dec 11, 2018
0.6.1 Nov 12, 2018
0.5.0 Jul 22, 2018
0.2.1 Nov 26, 2017

#5 in Concurrency

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Used in 2,908 crates (37 directly)

MIT/Apache

102KB
1.5K SLoC

Crossbeam Utils

Build Status License Cargo Documentation Rust 1.26+

This crate provides miscellaneous tools for concurrent programming:

Atomics

  • AtomicCell, a thread-safe mutable memory location.(*)
  • AtomicConsume, for reading from primitive atomic types with "consume" ordering.(*)

Thread synchronization

  • Parker, a thread parking primitive.
  • ShardedLock, a sharded reader-writer lock with fast concurrent reads.
  • WaitGroup, for synchronizing the beginning or end of some computation.

Utilities

  • Backoff, for exponential backoff in spin loops.(*)
  • CachePadded, for padding and aligning a value to the length of a cache line.(*)
  • scope, for spawning threads that borrow local variables from the stack.

Features marked with (*) can be used in no_std environments.

Usage

Add this to your Cargo.toml:

[dependencies]
crossbeam-utils = "0.6"

Next, add this to your crate:

extern crate crossbeam_utils;

License

Licensed under either of

at your option.

Contribution

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

Dependencies