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CHANGELOG.md

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Version 0.5.14

  • Fix stack overflow when sending large value to unbounded channel. (#1146, #1147)
  • Add Select::new_biased function. (#1150)
  • Remove inefficient spinning. (#1154)
  • Suppress buggy clippy::zero_repeat_side_effects lint in macro generated code. (#1123)

Version 0.5.13

  • Add select_biased! macro. (#1040)

Version 0.5.12

  • Fix memory leak in unbounded channel. (#1084)

Version 0.5.11

  • Remove dependency on cfg-if. (#1072)

Version 0.5.10

  • Relax the minimum supported Rust version to 1.60. (#1056)
  • Optimize Drop implementation of bounded channel. (#1057)

Version 0.5.9

  • Bump the minimum supported Rust version to 1.61. (#1037)

Version 0.5.8

  • Fix race condition in unbounded channel. (#972)

Version 0.5.7

Note: This release has been yanked due to bug fixed in 0.5.8.

  • Improve handling of very large timeout. (#953)

Version 0.5.6

Note: This release has been yanked due to bug fixed in 0.5.8.

  • Bump the minimum supported Rust version to 1.38. (#877)

Version 0.5.5

Note: This release has been yanked due to bug fixed in 0.5.8.

  • Replace Spinlock with Mutex. (#835)

Version 0.5.4

Note: This release has been yanked due to bug fixed in 0.5.8.

  • Workaround a bug in upstream related to TLS access on AArch64 Linux. (#802)

Version 0.5.3

Note: This release has been yanked. See #802 for details.

  • Fix panic on very large timeout. (#798)

Version 0.5.2

Note: This release has been yanked. See #802 for details.

  • Fix stacked borrows violations when -Zmiri-tag-raw-pointers is enabled. (#763, #764)

Version 0.5.1

Note: This release has been yanked due to bug fixed in 0.5.8.

  • Fix memory leak in unbounded channel. (#669)

Version 0.5.0

  • Bump the minimum supported Rust version to 1.36.
  • Add at() function.
  • Add Sender::send_deadline() and Receiver::recv_deadline() methods.
  • Add Select::select_deadline() and Select::ready_deadline() methods.
  • Add std (enabled by default) feature for forward compatibility.
  • Allow select! macro compile with forbid(unsafe_code).

Version 0.4.4

  • Fix bug in release (yanking 0.4.3)
  • Fix UB and breaking change introduced in 0.4.3

Version 0.4.3

Note: This release has been yanked. See GHSA-v5m7-53cv-f3hx for details.

  • Change license to "MIT OR Apache-2.0".

Version 0.4.2

  • Fix bug in release (yanking 0.4.1)

Version 0.4.1

  • Avoid time drift in channel::tick. (#456)
  • Fix unsoundness issues by adopting MaybeUninit. (#458)

Version 0.4.0

  • Bump the minimum required version to 1.28.
  • Bump crossbeam-utils to 0.7.

Version 0.3.9

  • Fix a bug in reference counting.
  • Optimize recv_timeout().
  • Add Select::remove().
  • Various small improvements, code cleanup, more tests.

Version 0.3.8

  • Bump the minimum required version of crossbeam-utils.

Version 0.3.7

  • Remove parking_lot and rand dependencies.
  • Expand documentation.
  • Implement Default for Select.
  • Make size_of::<Receiver<T>>() smaller.
  • Several minor optimizations.
  • Add more tests.

Version 0.3.6

  • Fix a bug in initialization of unbounded channels.

Version 0.3.5

  • New implementation for unbounded channels.
  • A number of small performance improvements.
  • Remove crossbeam-epoch dependency.

Version 0.3.4

  • Bump crossbeam-epoch to 0.7.
  • Improve documentation.

Version 0.3.3

  • Relax the lifetime in SelectedOperation<'_>.
  • Add Select::try_ready(), Select::ready(), and Select::ready_timeout().
  • Update licensing notices.
  • Improve documentation.
  • Add methods is_disconnected(), is_timeout(), is_empty(), and is_full() on error types.

Version 0.3.2

  • More elaborate licensing notices.

Version 0.3.1

  • Update crossbeam-utils to 0.6.

Version 0.3.0

  • Add a special never channel type.
  • Dropping all receivers now closes the channel.
  • The interface of sending and receiving methods is now very similar to those in v0.1.
  • The syntax for send in select! is now send(sender, msg) -> res => body.
  • The syntax for recv in select! is now recv(receiver) -> res => body.
  • New, more efficient interface for Select without callbacks.
  • Timeouts can be specified in select!.

Version 0.2.6

  • Select struct that can add cases dynamically.
  • More documentation (in particular, the FAQ section).
  • Optimize contended sends/receives in unbounded channels.

Version 0.2.5

  • Use LocalKey::try_with instead of LocalKey::with.
  • Remove helper macros __crossbeam_channel*.

Version 0.2.4

  • Make select! linearizable with other channel operations.
  • Update crossbeam-utils to 0.5.0.
  • Update parking_lot to 0.6.3.
  • Remove Mac OS X tests.

Version 0.2.3

  • Add Mac OS X tests.
  • Lower some memory orderings.
  • Eliminate calls to mem::unitialized, which caused bugs with ZST.

Version 0.2.2

  • Add more tests.
  • Update crossbeam-epoch to 0.5.0
  • Initialize the RNG seed to a random value.
  • Replace libc::abort with std::process::abort.
  • Ignore clippy warnings in select!.
  • Better interaction of select! with the NLL borrow checker.

Version 0.2.1

  • Fix compilation errors when using select! with #[deny(unsafe_code)].

Version 0.2.0

  • Implement IntoIterator<Item = T> for Receiver<T>.
  • Add a new select! macro.
  • Add special channels after and tick.
  • Dropping receivers doesn't close the channel anymore.
  • Change the signature of recv, send, and try_recv.
  • Remove Sender::is_closed and Receiver::is_closed.
  • Remove Sender::close and Receiver::close.
  • Remove Sender::send_timeout and Receiver::recv_timeout.
  • Remove Sender::try_send.
  • Remove Select and select_loop!.
  • Remove all error types.
  • Remove Iter, TryIter, and IntoIter.
  • Remove the nightly feature.
  • Remove ordering operators for Sender and Receiver.

Version 0.1.3

  • Add Sender::disconnect and Receiver::disconnect.
  • Implement comparison operators for Sender and Receiver.
  • Allow arbitrary patterns in place of msg in recv(r, msg).
  • Add a few conversion impls between error types.
  • Add benchmarks for atomicring and mpmc.
  • Add benchmarks for different message sizes.
  • Documentation improvements.
  • Update crossbeam-epoch to 0.4.0
  • Update crossbeam-utils to 0.3.0
  • Update parking_lot to 0.5
  • Update rand to 0.4

Version 0.1.2

  • Allow conditional cases in select_loop! macro.
  • Fix typos in documentation.
  • Fix deadlock in selection when all channels are disconnected and a timeout is specified.

Version 0.1.1

  • Implement Debug for Sender, Receiver, Iter, TryIter, IntoIter, and Select.
  • Implement Default for Select.

Version 0.1.0

  • First implementation of the channels.
  • Add select_loop! macro by @TimNN.