#lock-free #rcu #atomic #garbage

no-std crossbeam-epoch

Epoch-based garbage collection

19 releases

0.9.5 May 30, 2021
0.9.3 Feb 25, 2021
0.9.1 Nov 26, 2020
0.8.2 Feb 22, 2020
0.2.0 Nov 29, 2017

#5 in Concurrency

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1,310,879 downloads per month
Used in 1,753 crates (32 directly)

MIT/Apache

275KB
4K SLoC

Crossbeam Epoch

Build Status License Cargo Documentation Rust 1.36+ chat

This crate provides epoch-based garbage collection for building concurrent data structures.

When a thread removes an object from a concurrent data structure, other threads may be still using pointers to it at the same time, so it cannot be destroyed immediately. Epoch-based GC is an efficient mechanism for deferring destruction of shared objects until no pointers to them can exist.

Everything in this crate except the global GC can be used in no_std environments, provided that alloc feature is enabled.

Usage

Add this to your Cargo.toml:

[dependencies]
crossbeam-epoch = "0.9"

Compatibility

Crossbeam Epoch 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 1.36.

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

~145KB