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tokio-1.19.0

tokio-rs/tokiotokio-1.19.0Jun 3, 2022by Darksonn

AI Summary

This release adds configurable runtime parameters, new sync primitives like Notified, and network APIs like take_error.

Key Highlights

  • Added is_finished method to JoinHandle and AbortHandle
  • Added Notified::enable for manual notification
  • Added watch::Sender::send_if_modified
  • Added broadcast::Receiver::resubscribe
  • Added TcpSocket::take_error

New Features

  • is_finished for JoinHandle and AbortHandle
  • Notified::enable
  • watch::Sender::send_if_modified
  • broadcast::Receiver::resubscribe
  • TcpSocket::take_error
  • consume_budget for cooperative scheduling (unstable)
  • spawn_on variants (unstable)

Full Release Notes

# 1.19.0 (June 3, 2022)

### Added

- runtime: add `is_finished` method for `JoinHandle` and `AbortHandle` ([#4709])
- runtime: make global queue and event polling intervals configurable ([#4671])
- sync: add `Notified::enable` ([#4705])
- sync: add `watch::Sender::send_if_modified` ([#4591])
- sync: add resubscribe method to broadcast::Receiver ([#4607])
- net: add `take_error` to `TcpSocket` and `TcpStream` ([#4739])
### Changed
- io: refactor out usage of Weak in the io handle ([#4656])
### Fixed
- macros: avoid starvation in `join!` and `try_join!` ([#4624])
### Documented
- runtime: clarify semantics of tasks outliving `block_on` ([#4729])
- time: fix example for `MissedTickBehavior::Burst` ([#4713])
### Unstable
- metrics: correctly update atomics in `IoDriverMetrics` ([#4725])
- metrics: fix compilation with unstable, process, and rt, but without net ([#4682])
- task: add `#[track_caller]` to `JoinSet`/`JoinMap` ([#4697])
- task: add `Builder::{spawn_on, spawn_local_on, spawn_blocking_on}` ([#4683])
- task: add `consume_budget` for cooperative scheduling ([#4498])
- task: add `join_set::Builder` for configuring `JoinSet` tasks ([#4687])
- task: update return value of `JoinSet::join_one` ([#4726])

[#4498]: https://github.com/tokio-rs/tokio/pull/4498
[#4591]: https://github.com/tokio-rs/tokio/pull/4591
[#4607]: https://github.com/tokio-rs/tokio/pull/4607
[#4624]: https://github.com/tokio-rs/tokio/pull/4624
[#4656]: https://github.com/tokio-rs/tokio/pull/4656
[#4671]: https://github.com/tokio-rs/tokio/pull/4671
[#4682]: https://github.com/tokio-rs/tokio/pull/4682
[#4683]: https://github.com/tokio-rs/tokio/pull/4683
[#4687]: https://github.com/tokio-rs/tokio/pull/4687
[#4697]: https://github.com/tokio-rs/tokio/pull/4697
[#4705]: https://github.com/tokio-rs/tokio/pull/4705
[#4709]: https://github.com/tokio-rs/tokio/pull/4709
[#4713]: https://github.com/tokio-rs/tokio/pull/4713
[#4725]: https://github.com/tokio-rs/tokio/pull/4725
[#4726]: https://github.com/tokio-rs/tokio/pull/4726
[#4729]: https://github.com/tokio-rs/tokio/pull/4729
[#4739]: https://github.com/tokio-rs/tokio/pull/4739