Tachyonix: a very fast MPSC async bounded channel

• tachyonix

  3 88 4.0 Rust

  An asynchronous, multi-producer, single-consumer (MPSC) bounded channel that operates at tachyonic speeds

  

• postage-rs

  6 248 0.0 Rust

  The feature-rich, portable async channel library

Here are a few things that I learned from writing postage that might be helpful: - Poll::Pending can cause subtle deadlock bugs. If a channel endpoint is going to return Poll::Pending, it needs to check conditions, register for notification, and then re-check those conditions before returning Pending. Otherwise, the endpoints could deadlock due to concurrent interactions between the channel state and the notifier. Here's an example fix on an mpsc channel: https://github.com/austinjones/postage-rs/commit/9d2ba3f83dcbbcef83c684462f5efc5b3e7681cc - The single-threaded cases around sender/receiver polls can be covered in unit tests. Tests can verify the poll result, as well as waker interactions. Here's an example: https://github.com/austinjones/postage-rs/blob/main/src/channels/mpsc.rs#L242

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• pollster

  3 441 3.6 Rust

  A minimal async executor that lets you block on a future

Pollster: https://github.com/zesterer/pollster

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