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CHANGELOG.md

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Version 5.3.1

  • Disable some optimizations that, in rare conditions, can cause race conditions causing notifications to be dropped. (#139)
  • Ensure the portable-atomic feature is set properly. (#134)
  • Update portable-atomic-util to v0.2.0. (#132)
  • Document the std feature. (#134)

Version 5.3.0

  • Add a loom implementation. This feature is unstable and is not semver-supported. (#126)
  • Make the panic message for polling the EventListener after it has completed more clear. (#125)

Version 5.2.0

  • Make StackSlot Sync. (#121)

Version 5.1.0

  • Make StackSlot Send. (#119)

Version 5.0.0

  • Breaking: Rework the API to afford better usage. (#105)
    • The heap-based API of the v2.x line is back.
    • However, there is a stack-based API as an alternative.
  • Add a way to get the total number of listeners. (#114)

Version 4.0.3

  • Relax MSRV to 1.60. (#110)

Version 4.0.2

  • Avoid spinning in wait_deadline. (#107)

Version 4.0.1

  • Fix a use-after-move error after an EventListener is assigned to listen to another Event. (#101)

Version 4.0.0

  • Breaking: Fix a footgun in the EventListener type. EventListener::new() now no longer takes an &Event as an argument, and EventListener::listen() takes the &Event as an argument. Hopefully this should prevent .awaiting on a listener without making sure it's listening first. (#94)

Version 3.1.0

  • Implement UnwindSafe and RefUnwindSafe for EventListener. This was unintentionally removed in version 3 (#96).

Version 3.0.1

  • Emphasize that listen() must be called on EventListener in documentation. (#90)
  • Write useful output in fmt::Debug implementations. (#86)

Version 3.0.0

  • Use the parking crate instead of threading APIs (#27)
  • Bump MSRV to 1.59 (#71)
  • Breaking: Make this crate no_std-compatible on default-features = false. (#34)
  • Create a new event-listener-strategy crate for abstracting over blocking/non-blocking operations. (#49)
  • Breaking: Change the EventListener API to be !Unpin. (#51)
  • Enable a feature for the portable-atomic crate. (#53)
  • Breaking: Add a Notification trait which is used to enable tagged events. (#52)
  • Add an is_notified() method to Event. (#48)
  • Breaking: Make it so notify() returns the number of listeners notified. (#57)

Version 2.5.3

  • Fix fence on x86 and miri.

Version 2.5.2

  • Fix stacked borrows violation when -Zmiri-tag-raw-pointers is enabled. (#24)

Version 2.5.1

  • Replace spinlock with a mutex.

Version 2.5.0

  • Add EventListener::discard().

Version 2.4.0

  • Event::new() is now a const fn.

Version 2.3.3

  • Fix a bug in List::insert() that was causing deadlocks.

Version 2.3.2

  • Optimization: use a simple spinlock and cache an Entry for less allocation.

Version 2.3.1

  • Optimization: don't initialize Inner when notifying Event.

Version 2.3.0

  • Implement UnwindSafe/RefUnwindSafe for Event/EventListener.

Version 2.2.1

  • Always keep the last waker in EventListener::poll().

Version 2.2.0

  • Add EventListener::same_event().

Version 2.1.0

  • Add EventListener::listens_to().

Version 2.0.1

  • Replace usize::MAX with std::usize::MAX.

Version 2.0.0

  • Remove Event::notify_one() and Event::notify_all().
  • Add Event::notify_relaxed() and Event::notify_additional_relaxed().
  • Dropped notified EventListener now notifies one or one additional listener.

Version 1.2.0

  • Add Event::notify_additional().

Version 1.1.2

  • Change a Relaxed load to Acquire load.

Version 1.1.1

  • Fix a bug in EventListener::wait_timeout().

Version 1.1.0

  • Add EventListener::notify().

Version 1.0.1

  • Reduce the complexity of notify_all() from O(n) to amortized O(1).
  • Fix a bug where entries were notified in wrong order.
  • Add tests.

Version 1.0.0

  • Initial version.