Crossbeam Utils
This crate provides miscellaneous tools for concurrent programming:
Atomics
- [
AtomicCell
], a thread-safe mutable memory location.(no_std) - [
AtomicConsume
], for reading from primitive atomic types with "consume" ordering.(no_std)
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.(no_std) - [
CachePadded
], for padding and aligning a value to the length of a cache line.(no_std) - [
scope
], for spawning threads that borrow local variables from the stack.
Features marked with (no_std) can be used in no_std
environments.
Usage
Add this to your Cargo.toml
:
[dependencies]
crossbeam-utils = "0.8"
Compatibility
Crossbeam Utils supports stable Rust releases going back at least six months, and every time the minimum supported Rust version is increased, a new minor version is released. Currently, the minimum supported Rust version is 1.60.
License
Licensed under either of
- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
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.