tokio/tokio/CHANGELOG.md

0.2.10 (January 21, 2019)

Fixes

• #[tokio::main] when rt-core feature flag is not enabled (#2139).
• remove AsyncBufRead from BufStream impl block (#2108).
• potential undefined behavior when implementing AsyncRead incorrectly (#2030).

Added

• BufStream::with_capacity (#2125).
• impl From and Default for RwLock (#2089).
• io::ReadHalf::is_pair_of checks if provided WriteHalf is for the same underlying object (#1762, #2144).
• runtime::Handle::try_current() returns a handle to the current runtime (#2118).
• stream::empty() returns an immediately ready empty stream (#2092).
• stream::once(val) returns a stream that yields a single value: val (#2094).
• stream::pending() returns a stream that never becomes ready (#2092).
• StreamExt::chain() sequences a second stream after the first completes (#2093).
• StreamExt::collect() transform a stream into a collection (#2109).
• StreamExt::fuse ends the stream after the first None (#2085).
• StreamExt::merge combines two streams, yielding values as they become ready (#2091).
• Task-local storage (#2126).

0.2.9 (January 9, 2019)

Fixes

• AsyncSeek impl for File (#1986).
• rt: shutdown deadlock in threaded_scheduler (#2074, #2082).
• rt: memory ordering when dropping JoinHandle (#2044).
• docs: misc API documentation fixes and improvements.

0.2.8 (January 7, 2019)

Fixes

• depend on new version of tokio-macros.

0.2.7 (January 7, 2019)

Fixes

• potential deadlock when dropping basic_scheduler Runtime.
• calling spawn_blocking from within a spawn_blocking (#2006).
• storing a Runtime instance in a thread-local (#2011).
• miscellaneous documentation fixes.
• rt: fix Waker::will_wake to return true when tasks match (#2045).
• test-util: time::advance runs pending tasks before changing the time (#2059).

Added

• net::lookup_host maps a T: ToSocketAddrs to a stream of SocketAddrs (#1870).
• process::Child fields are made public to match std (#2014).
• impl Stream for sync::broadcast::Receiver (#2012).
• sync::RwLock provides an asynchonous read-write lock (#1699).
• runtime::Handle::current returns the handle for the current runtime (#2040).
• StreamExt::filter filters stream values according to a predicate (#2001).
• StreamExt::filter_map simultaneously filter and map stream values (#2001).
• StreamExt::try_next convenience for streams of Result<T, E> (#2005).
• StreamExt::take limits a stream to a specified number of values (#2025).
• StreamExt::take_while limits a stream based on a predicate (#2029).
• StreamExt::all tests if every element of the stream matches a predicate (#2035).
• StreamExt::any tests if any element of the stream matches a predicate (#2034).
• task::LocalSet.await runs spawned tasks until the set is idle (#1971).
• time::DelayQueue::len returns the number entries in the queue (#1755).
• expose runtime options from the #[tokio::main] and #[tokio::test] (#2022).

0.2.6 (December 19, 2019)

Fixes

• fs::File::seek API regression (#1991).

0.2.5 (December 18, 2019)

Added

• io::AsyncSeek trait (#1924).
• Mutex::try_lock (#1939)
• mpsc::Receiver::try_recv and mpsc::UnboundedReceiver::try_recv (#1939).
• writev support for TcpStream (#1956).
• time::throttle for throttling streams (#1949).
• implement Stream for time::DelayQueue (#1975).
• sync::broadcast provides a fan-out channel (#1943).
• sync::Semaphore provides an async semaphore (#1973).
• stream::StreamExt provides stream utilities (#1962).

Fixes

• deadlock risk while shutting down the runtime (#1972).
• panic while shutting down the runtime (#1978).
• sync::MutexGuard debug output (#1961).
• misc doc improvements (#1933, #1934, #1940, #1942).

Changes

• runtime threads are configured with runtime::Builder::core_threads and runtime::Builder::max_threads. runtime::Builder::num_threads is deprecated (#1977).

0.2.4 (December 6, 2019)

Fixes

• sync::Mutex deadlock when lock() future is dropped early (#1898).

0.2.3 (December 6, 2019)

Added

• read / write integers using AsyncReadExt and AsyncWriteExt (#1863).
• read_buf / write_buf for reading / writing Buf / BufMut (#1881).
• TcpStream::poll_peek - pollable API for performing TCP peek (#1864).
• sync::oneshot::error::TryRecvError provides variants to detect the error kind (#1874).
• LocalSet::block_on accepts !'static task (#1882).
• task::JoinError is now Sync (#1888).
• impl conversions between tokio::time::Instant and std::time::Instant (#1904).

Fixes

• calling spawn_blocking after runtime shutdown (#1875).
• LocalSet drop inifinite loop (#1892).
• LocalSet hang under load (#1905).
• improved documentation (#1865, #1866, #1868, #1874, #1876, #1911).

0.2.2 (November 29, 2019)

Fixes

• scheduling with basic_scheduler (#1861).
• update spawn panic message to specify that a task scheduler is required (#1839).
• API docs example for runtime::Builder to include a task scheduler (#1841).
• general documentation (#1834).
• building on illumos/solaris (#1772).
• panic when dropping LocalSet (#1843).
• API docs mention the required Cargo features for Builder::{basic, threaded}_scheduler (#1858).

Added

• impl Stream for signal::unix::Signal (#1849).
• API docs for platform specific behavior of signal::ctrl_c and signal::unix::Signal (#1854).
• API docs for signal::unix::Signal::{recv, poll_recv} and signal::windows::CtrlBreak::{recv, poll_recv} (#1854).
• File::into_std and File::try_into_std methods (#1856).

0.2.1 (November 26, 2019)

Fixes

• API docs for TcpListener::incoming, UnixListener::incoming (#1831).

Added

• tokio::task::LocalSet provides a strategy for spawning !Send tasks (#1733).
• export tokio::time::Elapsed (#1826).
• impl AsRawFd, AsRawHandle for tokio::fs::File (#1827).

0.2.0 (November 26, 2019)

A major breaking change. Most implementation and APIs have changed one way or another. This changelog entry contains a highlight

Changed

• APIs are updated to use async / await.
• most tokio-* crates are collapsed into this crate.
• Scheduler is rewritten.
• tokio::spawn returns a JoinHandle.
• A single I/O / timer is used per runtime.
• I/O driver uses a concurrent slab for allocating state.
• components are made available via feature flag.
• Use bytes 0.5
• tokio::codec is moved to tokio-util.

Removed

• Standalone timer and net drivers are removed, use Runtime instead
• current_thread runtime is removed, use tokio::runtime::Runtime with basic_scheduler instead.

0.1.21 (May 30, 2019)

Changed

• Bump tokio-trace-core version to 0.2 (#1111).

0.1.20 (May 14, 2019)

Added

• tokio::runtime::Builder::panic_handler allows configuring handling panics on the runtime (#1055).

0.1.19 (April 22, 2019)

Added

• Re-export tokio::sync::Mutex primitive (#964).

0.1.18 (March 22, 2019)

Added

• TypedExecutor re-export and implementations (#993).

0.1.17 (March 13, 2019)

Added

• Propagate trace subscriber in the runtime (#966).

0.1.16 (March 1, 2019)

Fixed

• async-await: track latest nightly changes (#940).

Added

• sync::Watch, a single value broadcast channel (#922).
• Async equivalent of read / write file helpers being added to std (#896).

0.1.15 (January 24, 2019)

Added

• Re-export tokio-sync APIs (#839).
• Stream enumerate combinator (#832).

0.1.14 (January 6, 2019)

• Use feature flags to break up the crate, allowing users to pick & choose components (#808).
• Export UnixDatagram and UnixDatagramFramed (#772).

0.1.13 (November 21, 2018)

• Fix Runtime::reactor() when no tasks are spawned (#721).
• runtime::Builder no longer uses deprecated methods (#749).
• Provide after_start and before_stop configuration settings for Runtime (#756).
• Implement throttle stream combinator (#736).

0.1.12 (October 23, 2018)

• runtime: expose keep_alive on runtime builder (#676).
• runtime: create a reactor per worker thread (#660).
• codec: fix panic in LengthDelimitedCodec (#682).
• io: re-export tokio_io::io::read function (#689).
• runtime: check for executor re-entry in more places (#708).

0.1.11 (September 28, 2018)

• Fix tokio-async-await dependency (#675).

0.1.10 (September 27, 2018)

• Fix minimal versions

0.1.9 (September 27, 2018)

• Experimental async/await improvements (#661).
• Re-export TaskExecutor from tokio-current-thread (#652).
• Improve Runtime builder API (#645).
• tokio::run panics when called from the context of an executor (#646).
• Introduce StreamExt with a timeout helper (#573).
• Move length_delimited into tokio (#575).
• Re-organize tokio::net module (#548).
• Re-export tokio-current-thread::spawn in current_thread runtime (#579).

0.1.8 (August 23, 2018)

• Extract tokio::executor::current_thread to a sub crate (#370)
• Add Runtime::block_on (#398)
• Add runtime::current_thread::block_on_all (#477)
• Misc documentation improvements (#450)
• Implement std::error::Error for error types (#501)

0.1.7 (June 6, 2018)

• Add Runtime::block_on for concurrent runtime (#391).
• Provide handle to current_thread::Runtime that allows spawning tasks from other threads (#340).
• Provide clock::now(), a configurable source of time (#381).

0.1.6 (May 2, 2018)

• Add asynchronous filesystem APIs (#323).
• Add "current thread" runtime variant (#308).
• CurrentThread: Expose inner Park instance.
• Improve fairness of CurrentThread executor (#313).

0.1.5 (March 30, 2018)

• Provide timer API (#266)

0.1.4 (March 22, 2018)

• Fix build on FreeBSD (#218)
• Shutdown the Runtime when the handle is dropped (#214)
• Set Runtime thread name prefix for worker threads (#232)
• Add builder for Runtime (#234)
• Extract TCP and UDP types into separate crates (#224)
• Optionally support futures 0.2.

0.1.3 (March 09, 2018)

• Fix CurrentThread::turn to block on idle (#212).

0.1.2 (March 09, 2018)

• Introduce Tokio Runtime (#141)
• Provide CurrentThread for more flexible usage of current thread executor (#141).
• Add Lio for platforms that support it (#142).
• I/O resources now lazily bind to the reactor (#160).
• Extract Reactor to dedicated crate (#169)
• Add facade to sub crates and add prelude (#166).
• Switch TCP/UDP fns to poll_ -> Poll<...> style (#175)

0.1.1 (February 09, 2018)

• Doc fixes

0.1.0 (February 07, 2018)

• Initial crate released based on RFC.