Update Rust crate tokio to v1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	dependencies	major	0.2 -> 1.22

---

Release Notes

tokio-rs/tokio

v1.22.0: Tokio v1.22.0

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Added

• runtime: add Handle::runtime_flavor (#​5138)
• sync: add Mutex::blocking_lock_owned (#​5130)
• sync: add Semaphore::MAX_PERMITS (#​5144)
• sync: add merge() to semaphore permits (#​4948)
• sync: add mpsc::WeakUnboundedSender (#​5189)

Added (unstable)

• process: add Command::process_group (#​5114)
• runtime: export metrics about the blocking thread pool (#​5161)
• task: add task::id() and task::try_id() (#​5171)

Fixed

• macros: don't take ownership of futures in macros (#​5087)
• runtime: fix Stacked Borrows violation in LocalOwnedTasks (#​5099)
• runtime: mitigate ABA with 32-bit queue indices when possible (#​5042)
• task: wake local tasks to the local queue when woken by the same thread (#​5095)
• time: panic in release mode when mark_pending called illegally (#​5093)
• runtime: fix typo in expect message (#​5169)
• runtime: fix unsync_load on atomic types (#​5175)
• task: elaborate safety comments in task deallocation (#​5172)
• runtime: fix LocalSet drop in thread local (#​5179)
• net: remove libc type leakage in a public API (#​5191)
• runtime: update the alignment of CachePadded (#​5106)

Changed

• io: make tokio::io::copy continue filling the buffer when writer stalls (#​5066)
• runtime: remove coop::budget from LocalSet::run_until (#​5155)
• sync: make Notify panic safe (#​5154)

Documented

• io: fix doc for write_i8 to use signed integers (#​5040)
• net: fix doc typos for TCP and UDP set_tos methods (#​5073)
• net: fix function name in UdpSocket::recv documentation (#​5150)
• sync: typo in TryLockError for RwLock::try_write (#​5160)
• task: document that spawned tasks execute immediately (#​5117)
• time: document return type of timeout (#​5118)
• time: document that timeout checks only before poll (#​5126)
• sync: specify return type of oneshot::Receiver in docs (#​5198)

Internal changes

• runtime: use const Mutex::new for globals (#​5061)
• runtime: remove Option around mio::Events in io driver (#​5078)
• runtime: remove a conditional compilation clause (#​5104)
• runtime: remove a reference to internal time handle (#​5107)
• runtime: misc time driver cleanup (#​5120)
• runtime: move signal driver to runtime module (#​5121)
• runtime: signal driver now uses I/O driver directly (#​5125)
• runtime: start decoupling I/O driver and I/O handle (#​5127)
• runtime: switch io::handle refs with scheduler:Handle (#​5128)
• runtime: remove Arc from I/O driver (#​5134)
• runtime: use signal driver handle via scheduler::Handle (#​5135)
• runtime: move internal clock fns out of context (#​5139)
• runtime: remove runtime::context module (#​5140)
• runtime: keep driver cfgs in driver.rs (#​5141)
• runtime: add runtime::context to unify thread-locals (#​5143)
• runtime: rename some confusing internal variables/fns (#​5151)
• runtime: move coop mod into runtime (#​5152)
• runtime: move budget state to context thread-local (#​5157)
• runtime: move park logic into runtime module (#​5158)
• runtime: move Runtime into its own file (#​5159)
• runtime: unify entering a runtime with Handle::enter (#​5163)
• runtime: remove handle reference from each scheduler (#​5166)
• runtime: move enter into context (#​5167)
• runtime: combine context and entered thread-locals (#​5168)
• runtime: fix accidental unsetting of current handle (#​5178)
• runtime: move CoreStage methods to Core (#​5182)
• sync: name mpsc semaphore types (#​5146)

v1.21.2: Tokio v1.21.2

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1.21.2 (September 27, 2022)

This release removes the dependency on the once_cell crate to restore the MSRV of 1.21.x, which is the latest minor version at the time of release. (#​5048)

v1.21.1: Tokio v1.21.1

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1.21.1 (September 13, 2022)

Fixed

• net: fix dependency resolution for socket2 (#​5000)
• task: ignore failure to set TLS in LocalSet Drop (#​4976)

v1.21.0: Tokio v1.21.0

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1.21.0 (September 2, 2022)

This release is the first release of Tokio to intentionally support WASM. The sync,macros,io-util,rt,time features are stabilized on WASM. Additionally the wasm32-wasi target is given unstable support for the net feature.

Added

• net: add device and bind_device methods to TCP/UDP sockets (#​4882)
• net: add tos and set_tos methods to TCP and UDP sockets (#​4877)
• net: add security flags to named pipe ServerOptions (#​4845)
• signal: add more windows signal handlers (#​4924)
• sync: add mpsc::Sender::max_capacity method (#​4904)
• sync: implement Weak version of mpsc::Sender (#​4595)
• task: add LocalSet::enter (#​4765)
• task: stabilize JoinSet and AbortHandle (#​4920)
• tokio: add track_caller to public APIs (#​4805, #​4848, #​4852)
• wasm: initial support for wasm32-wasi target (#​4716)

Fixed

• miri: improve miri compatibility by avoiding temporary references in linked_list::Link impls (#​4841)
• signal: don't register write interest on signal pipe (#​4898)
• sync: add #[must_use] to lock guards (#​4886)
• sync: fix hang when calling recv on closed and reopened broadcast channel (#​4867)
• task: propagate attributes on task-locals (#​4837)

Changed

• fs: change panic to error in File::start_seek (#​4897)
• io: reduce syscalls in poll_read (#​4840)
• process: use blocking threadpool for child stdio I/O (#​4824)
• signal: make SignalKind methods const (#​4956)

Internal changes

• rt: extract basic_scheduler::Config (#​4935)
• rt: move I/O driver into runtime module (#​4942)
• rt: rename internal scheduler types (#​4945)

Documented

• chore: fix typos and grammar (#​4858, #​4894, #​4928)
• io: fix typo in AsyncSeekExt::rewind docs (#​4893)
• net: add documentation to try_read() for zero-length buffers (#​4937)
• runtime: remove incorrect panic section for Builder::worker_threads (#​4849)
• sync: doc of watch::Sender::send improved (#​4959)
• task: add cancel safety docs to JoinHandle (#​4901)
• task: expand on cancellation of spawn_blocking (#​4811)
• time: clarify that the first tick of Interval::tick happens immediately (#​4951)

Unstable

• rt: add unstable option to disable the LIFO slot (#​4936)
• task: fix incorrect signature in Builder::spawn_on (#​4953)
• task: make task::Builder::spawn* methods fallible (#​4823)

v1.20.2: Tokio v1.20.2

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1.20.2 (September 27, 2022)

This release removes the dependency on the once_cell crate to restore the MSRV of the 1.20.x LTS release. (#​5048)

v1.20.1: Tokio v1.20.1

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1.20.1 (July 25, 2022)

Fixed

• chore: fix version detection in build script (#​4860)

v1.20.0: Tokio v1.20.0

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1.20.0 (July 12, 2022)

Added

• tokio: add track_caller to public APIs (#​4772, #​4791, #​4793, #​4806, #​4808)
• sync: Add has_changed method to watch::Ref (#​4758)

Changed

• time: remove src/time/driver/wheel/stack.rs (#​4766)
• rt: clean up arguments passed to basic scheduler (#​4767)
• net: be more specific about winapi features (#​4764)
• tokio: use const initialized thread locals where possible (#​4677)
• task: various small improvements to LocalKey (#​4795)

Fixed

Documented

• fs: warn about performance pitfall (#​4762)
• chore: fix spelling (#​4769)
• sync: document spurious failures in oneshot (#​4777)
• sync: add warning for watch in non-Send futures (#​4741)
• chore: fix typo (#​4798)

Unstable

• joinset: rename join_one to join_next (#​4755)
• rt: unhandled panic config for current thread rt (#​4770)

v1.19.2: Tokio v1.19.2

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1.19.2 (June 6, 2022)

This release fixes another bug in Notified::enable. (#​4751)

v1.19.1: Tokio v1.19.1

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1.19.1 (June 5, 2022)

This release fixes a bug in Notified::enable. (#​4747)

v1.19.0: Tokio v1.19.0

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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)

v1.18.3: Tokio v1.18.3

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1.18.3 (September 27, 2022)

This release removes the dependency on the once_cell crate to restore the MSRV of the 1.18.x LTS release. (#​5048)

v1.18.2: Tokio v1.18.2

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1.18.2 (May 5, 2022)

Add missing features for the winapi dependency. (#​4663)

v1.18.1: Tokio v1.18.1

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1.18.1 (May 2, 2022)

The 1.18.0 release broke the build for targets without 64-bit atomics when building with tokio_unstable. This release fixes that. (#​4649)

v1.18.0: Tokio v1.18.0

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1.18.0 (April 27, 2022)

This release adds a number of new APIs in tokio::net, tokio::signal, and
tokio::sync. In addition, it adds new unstable APIs to tokio::task (Ids
for uniquely identifying a task, and AbortHandle for remotely cancelling a
task), as well as a number of bugfixes.

Fixed

• blocking: add missing #[track_caller] for spawn_blocking (#​4616)
• macros: fix select macro to process 64 branches (#​4519)
• net: fix try_io methods not calling Mio's try_io internally (#​4582)
• runtime: recover when OS fails to spawn a new thread (#​4485)

Added

• net: add UdpSocket::peer_addr (#​4611)
• net: add try_read_buf method for named pipes (#​4626)
• signal: add SignalKind Hash/Eq impls and c_int conversion (#​4540)
• signal: add support for signals up to SIGRTMAX (#​4555)
• sync: add watch::Sender::send_modify method (#​4310)
• sync: add broadcast::Receiver::len method (#​4542)
• sync: add watch::Receiver::same_channel method (#​4581)
• sync: implement Clone for RecvError types (#​4560)

Changed

• update mio to 0.8.1 (#​4582)
• macros: rename tokio::select!'s internal util module (#​4543)
• runtime: use Vec::with_capacity when building runtime (#​4553)

Documented

• improve docs for tokio_unstable (#​4524)
• runtime: include more documentation for thread_pool/worker (#​4511)
• runtime: update Handle::current's docs to mention EnterGuard (#​4567)
• time: clarify platform specific timer resolution (#​4474)
• signal: document that Signal::recv is cancel-safe (#​4634)
• sync: UnboundedReceiver close docs (#​4548)

Unstable

The following changes only apply when building with --cfg tokio_unstable:

• task: add task::Id type (#​4630)
• task: add AbortHandle type for cancelling tasks in a JoinSet (#​4530],
  [#​4640)
• task: fix missing doc(cfg(...)) attributes for JoinSet (#​4531)
• task: fix broken link in AbortHandle RustDoc (#​4545)
• metrics: add initial IO driver metrics (#​4507)

v1.17.0: Tokio v1.17.0

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1.17.0 (February 15, 2022)

This release updates the minimum supported Rust version (MSRV) to 1.49,
the mio dependency to v0.8, and the (optional) parking_lot
dependency to v0.12. Additionally, it contains several bug fixes, as
well as internal refactoring and performance improvements.

Fixed

• time: prevent panicking in sleep with large durations (#​4495)
• time: eliminate potential panics in Instant arithmetic on platforms
  where Instant::now is not monotonic (#​4461)
• io: fix DuplexStream not participating in cooperative yielding
  (#​4478)
• rt: fix potential double panic when dropping a JoinHandle (#​4430)

Changed

• update minimum supported Rust version to 1.49 (#​4457)
• update parking_lot dependency to v0.12.0 (#​4459)
• update mio dependency to v0.8 (#​4449)
• rt: remove an unnecessary lock in the blocking pool (#​4436)
• rt: remove an unnecessary enum in the basic scheduler (#​4462)
• time: use bit manipulation instead of modulo to improve performance
  (#​4480)
• net: use std::future::Ready instead of our own Ready future
  (#​4271)
• replace deprecated atomic::spin_loop_hint with hint::spin_loop
  (#​4491)
• fix miri failures in intrusive linked lists (#​4397)

Documented

• io: add an example for tokio::process::ChildStdin (#​4479)

Unstable

The following changes only apply when building with --cfg tokio_unstable:

• task: fix missing location information in tracing spans generated by
  spawn_local (#​4483)
• task: add JoinSet for managing sets of tasks (#​4335)
• metrics: fix compilation error on MIPS (#​4475)
• metrics: fix compilation error on arm32v7 (#​4453)

v1.16.1: Tokio v1.16.1

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1.16.1 (January 28, 2022)

This release fixes a bug in #​4428 with the change #​4437.

v1.16.0: Tokio v1.16.0

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Fixes a soundness bug in io::Take (#​4428). The unsoundness is exposed when
leaking memory in the given AsyncRead implementation and then overwriting the
supplied buffer:

impl AsyncRead for Buggy {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut ReadBuf<'_>
    ) -> Poll<Result<()>> {
      let new_buf = vec![0; 5].leak();
      *buf = ReadBuf::new(new_buf);
      buf.put_slice(b"hello");
      Poll::Ready(Ok(()))
    }
}

Also, this release includes improvements to the multi-threaded scheduler that
can increase throughput by up to 20% in some cases (#​4383).

Fixed

• io: soundness don't expose uninitialized memory when using io::Take in edge case (#​4428)
• fs: ensure File::write results in a write syscall when the runtime shuts down (#​4316)
• process: drop pipe after child exits in wait_with_output (#​4315)
• rt: improve error message when spawning a thread fails (#​4398)
• rt: reduce false-positive thread wakups in the multi-threaded scheduler (#​4383)
• sync: don't inherit Send from parking_lot::*Guard (#​4359)

Added

• net: TcpSocket::linger() and set_linger() (#​4324)
• net: impl UnwindSafe for socket types (#​4384)
• rt: impl UnwindSafe for JoinHandle (#​4418)
• sync: watch::Receiver::has_changed() (#​4342)
• sync: oneshot::Receiver::blocking_recv() (#​4334)
• sync: RwLock blocking operations (#​4425)

Unstable

The following changes only apply when building with --cfg tokio_unstable

• rt: breaking change overhaul runtime metrics API (#​4373)

v1.15.0: Tokio v1.15.0

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Fixed

• io: add cooperative yielding support to io::empty() (#​4300)
• time: make timeout robust against budget-depleting tasks (#​4314)

Changed

• update minimum supported Rust version to 1.46.

Added

• time: add Interval::reset() (#​4248)
• io: add explicit lifetimes to AsyncFdReadyGuard (#​4267)
• process: add Command::as_std() (#​4295)

Added (unstable)

• tracing: instrument tokio::sync types (#​4302)

v1.14.1: Tokio v1.14.1

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This release backports a bug fix from 1.16.1

Fixes a soundness bug in io::Take (#​4428). The unsoundness is exposed when
leaking memory in the given AsyncRead implementation and then overwriting the
supplied buffer:

impl AsyncRead for Buggy {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut ReadBuf<'_>
    ) -> Poll<Result<()>> {
      let new_buf = vec![0; 5].leak();
      *buf = ReadBuf::new(new_buf);
      buf.put_slice(b"hello");
      Poll::Ready(Ok(()))
    }
}

Fixed

• io: soundness don't expose uninitialized memory when using io::Take in edge case (#​4428)

v1.14.0: Tokio v1.14.0

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1.14.0 (November 15, 2021)

Fixed

• macros: fix compiler errors when using mut patterns in select! (#​4211)
• sync: fix a data race between oneshot::Sender::send and awaiting a
  oneshot::Receiver when the oneshot has been closed (#​4226)
• sync: make AtomicWaker panic safe (#​3689)
• runtime: fix basic scheduler dropping tasks outside a runtime context
  (#​4213)

Added

• stats: add RuntimeStats::busy_duration_total (#​4179, #​4223)

Changed

• io: updated copy buffer size to match std::io::copy (#​4209)

Documented

• io: rename buffer to file in doc-test (#​4230)
• sync: fix Notify example (#​4212)

v1.13.1: Tokio v1.13.1

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1.13.1 (November 15, 2021)

This release fixes a data race when sending and receiving on a
closed oneshot channel (RUSTSEC-2021-0124).

Fixed

• sync: fix a data race between oneshot::Sender::send and awaiting a
  oneshot::Receiver when the oneshot has been closed (#​4226)

v1.13.0: Tokio v1.13.0

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1.13.0 (October 29, 2021)

Fixed

• sync: fix Notify to clone the waker before locking its waiter list (#​4129)
• tokio: add riscv32 to non atomic64 architectures (#​4185)

Added

• net: add poll_{recv,send}_ready methods to udp and uds_datagram (#​4131)
• net: add try_*, readable, writable, ready, and peer_addr methods to split halves (#​4120)
• sync: add blocking_lock to Mutex (#​4130)
• sync: add watch::Sender::send_replace (#​3962, #​4195)
• sync: expand Debug for Mutex<T> impl to unsized T (#​4134)
• tracing: instrument time::Sleep (#​4072)
• tracing: use structured location fields for spawned tasks (#​4128)

Changed

• io: add assert in copy_bidirectional that poll_write is sensible (#​4125)
• macros: use qualified syntax when polling in select! (#​4192)
• runtime: handle block_on wakeups better (#​4157)
• task: allocate callback on heap immediately in debug mode (#​4203)
• tokio: assert platform-minimum requirements at build time (#​3797)

Documented

• docs: conversion of doc comments to indicative mood (#​4174)
• docs: add returning on the first error example for try_join! (#​4133)
• docs: fixing broken links in tokio/src/lib.rs (#​4132)
• signal: add example with background listener (#​4171)
• sync: add more oneshot examples (#​4153)
• time: document Interval::tick cancel safety (#​4152)

v1.12.0: Tokio v1.12.0

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1.12.0 (September 21, 2021)

Fixed

• mpsc: ensure try_reserve error is consistent with try_send (#​4119)
• mpsc: use spin_loop_hint instead of yield_now (#​4115)
• sync: make SendError field public (#​4097)

Added

• io: add POSIX AIO on FreeBSD (#​4054)
• io: add convenience method AsyncSeekExt::rewind (#​4107)
• runtime: add tracing span for block_on futures (#​4094)
• runtime: callback when a worker parks and unparks (#​4070)
• sync: implement try_recv for mpsc channels (#​4113)

Changed

• macros: run runtime inside LocalSet when using macro (#​4027)

Documented

• docs: clarify CPU-bound tasks on Tokio (#​4105)
• mpsc: document spurious failures on poll_recv (#​4117)
• mpsc: document that PollSender impls Sink (#​4110)
• task: document non-guarantees of yield_now (#​4091)
• time: document paused time details better (#​4061, #​4103)

v1.11.0: Tokio v1.11.0

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1.11.0 (August 31, 2021)

Fixed

• time: don't panic when Instant is not monotonic (#​4044)
• io: fix panic in fill_buf by not calling poll_fill_buf twice (#​4084)

Added

• watch: add watch::Sender::subscribe (#​3800)
• process: add from_std to ChildStd* (#​4045)
• stats: initial work on runtime stats (#​4043)

Changed

• tracing: change span naming to new console convention (#​4042)
• io: speed-up waking by using uninitialized array (#​4055, #​4071, #​4075)

Documented

• time: make Sleep examples easier to find (#​4040)

v1.10.1: Tokio v1.10.1

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1.10.1 (August 24, 2021)

Fixed

• runtime: fix leak in UnownedTask (#​4063)

v1.10.0: Tokio v1.10.0

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1.10.0 (August 12, 2021)

Added

• io: add (read|write)_f(32|64)[_le] methods (#​4022)
• io: add fill_buf and consume to AsyncBufReadExt (#​3991)
• process: add Child::raw_handle() on windows (#​3998)

Fixed

• doc: fix non-doc builds with --cfg docsrs (#​4020)
• io: flush eagerly in io::copy (#​4001)
• runtime: a debug assert was sometimes triggered during shutdown (#​4005)
• sync: use spin_loop_hint instead of yield_now in mpsc (#​4037)
• tokio: the test-util feature depends on rt, sync, and time (#​4036)

Changes

• runtime: reorganize parts of the runtime (#​3979, #​4005)
• signal: make windows docs for signal module show up on unix builds (#​3770)
• task: quickly send task to heap on debug mode (#​4009)

Documented

• io: document cancellation safety of AsyncBufReadExt (#​3997)
• sync: document when watch::send fails (#​4021)

v1.9.0: Tokio v1.9.0

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1.9.0 (July 19, 2021)

Added

• net: allow customized I/O operations for TcpStream (#​3888)
• sync: add getter for the mutex from a guard (#​3928)
• task: expose nameable future for TaskLocal::scope (#​3273)

Fixed

• Fix leak if output of future panics on drop (#​3967)
• Fix leak in LocalSet (#​3978)

Changes

• runtime: reorganize parts of the runtime (#​3909, #​3939, #​3950, #​3955, #​3980)
• sync: clean up OnceCell (#​3945)
• task: remove mutex in JoinError (#​3959)

v1.8.5: Tokio v1.8.5

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This release backports a bug fix from 1.16.1

Fixes a soundness bug in io::Take (#​4428). The unsoundness is exposed when
leaking memory in the given AsyncRead implementation and then overwriting the
supplied buffer:

impl AsyncRead for Buggy {
    fn poll_read(
        self: Pin<&mut Self>,
        cx: &mut Context<'_>,
        buf: &mut ReadBuf<'_>
    ) -> Poll<Result<()>> {
      let new_buf = vec![0; 5].leak();
      *buf = ReadBuf::new(new_buf);
      buf.put_slice(b"hello");
      Poll::Ready(Ok(()))
    }
}

Fixed

• io: soundness don't expose uninitialized memory when using io::Take in edge case (#​4428)

v1.8.4: Tokio v1.8.4

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1.8.4 (November 15, 2021)

This release backports a bugfix for a data race when sending and receiving on a
closed oneshot channel ([RUSTSEC-2021-0124]) from v1.13.1.

Fixed

• sync: fix a data race between oneshot::Sender::send and awaiting a
  oneshot::Receiver when the oneshot has been closed (#​4226)

v1.8.3: Tokio v1.8.3

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1.8.3 (July 22, 2021)

This release backports two fixes from 1.9.0

Fixed

• Fix leak if output of future panics on drop (#​3967)
• Fix leak in LocalSet (#​3978)

v1.8.2: Tokio 1.8.2

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Fixes a missed edge case from 1.8.1.

Fixed

• runtime: drop canceled future on next poll (#​3965)

v1.8.1: Tokio 1.8.1

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Forward ports 1.5.1 fixes.

Fixed

• runtime: remotely abort tasks on JoinHandle::abort (#​3934)

v1.8.0

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1.8.0 (July 2, 2021)

Added

• io: add get_{ref,mut} methods to AsyncFdReadyGuard and AsyncFdReadyMutGuard (#​3807)
• io: efficient implementation of vectored writes for BufWriter (#​3163)
• net: add ready/try methods to NamedPipe{Client,Server} (#​3866, #​3899)
• sync: add watch::Receiver::borrow_and_update (#​3813)
• sync: implement From<T> for OnceCell<T> (#​3877)
• time: allow users to specify Interval behaviour when delayed (#​3721)

Added (unstable)

• rt: add tokio::task::Builder (#​3881)

Fixed

• net: handle HUP event with UnixStream (#​3898)

Documented

• doc: document cancellation safety (#​3900)
• time: add wait alias to sleep (#​3897)
• time: document auto-advancing behaviour of runtime (#​3763)

v1.7.3: Tokio 1.7.3

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Fixes a missed edge case from 1.7.2.

Fixed

• runtime: drop canceled future on next poll (#​3965)

v1.7.2: Tokio v1.7.2

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Forward ports 1.5.1 fixes.

Fixed

• runtime: remotely abort tasks on JoinHandle::abort (#​3934)

v1.7.1: Tokio v1.7.1

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Fixed

• runtime: fix early task shutdown during runtime shutdown (#​3870)

v1.7.0: Tokio v1.7.0

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1.7.0 (June 15, 2021)

Added

• net: add named pipes on windows (#​3760)
• net: add TcpSocket from std::net::TcpStream conversion (#​3838)
• sync: add receiver_count to watch::Sender (#​3729)
• sync: export sync::notify::Notified future publicly (#​3840)
• tracing: instrument task wakers (#​3836)

Fixed

• macros: suppress clippy::default_numeric_fallback lint in generated code (#​3831)
• runtime: immediately drop new tasks when runtime is shut down (#​3752)
• sync: deprecate unused mpsc::RecvError type (#​3833)

Documented

• io: clarify EOF condition for AsyncReadExt::read_buf (#​3850)
• io: clarify limits on return values of AsyncWrite::poll_write (#​3820)
• sync: add examples to Semaphore (#​3808)

v1.6.4: Tokio 1.6.4

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Fixes a missed edge case from 1.6.3.

Fixed

• runtime: drop canceled future on next poll (#​3965)

v1.6.3: Tokio v1.6.3

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Forward ports 1.5.1 fixes.

Fixed

• runtime: remotely abort tasks on JoinHandle::abort (#​3934)

v1.6.2: Tokio v1.6.2

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Fixes

• test: sub-ms time:advance regression introduced in 1.6 (#​3852)

v1.6.1: Tokio v1.6.1

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This release reverts #​3518 because it doesn't work on some kernels due to
a kernel bug. (#​3803)

v1.6.0: Tokio v1.6.0

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1.6.0 (May 14, 2021)

Added

• fs: try doing a non-blocking read before punting to the threadpool (#​3518)
• io: add write_all_buf to AsyncWriteExt (#​3737)
• io: implement AsyncSeek for BufReader, BufWriter, and BufStream (#​3491)
• net: support non-blocking vectored I/O (#​3761)
• sync: add mpsc::Sender::{reserve_owned, try_reserve_owned} (#​3704)
• sync: add a MutexGuard::map method that returns a MappedMutexGuard (#​2472)
• time: add getter for Interval's period (#​3705)

Fixed

• io: wake pending writers on DuplexStream close (#​3756)
• process: avoid redundant effort to reap orphan processes (#​3743)
• signal: use std::os::raw::c_int instead of libc::c_int on public API (#​3774)
• sync: preserve permit state in notify_waiters (#​3660)
• task: update JoinHandle panic message (#​3727)
• time: prevent time::advance from going too far (#​3712)

Documented

• net: hide net::unix::datagram module from docs (#​3775)
• process: updated example (#​3748)
• sync: Barrier doc should use task, not thread (#​3780)
• task: update documentation on block_in_place (#​3753)

v1.5.1: Tokio v1.5.1

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Fixed

• runtime: remotely abort tasks on JoinHandle::abort (#​3934)

v1.5.0: Tokio v1.5.0

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1.5.0 (April 12, 2021)

Added

• io: add AsyncSeekExt::stream_position (#​3650)
• io: add AsyncWriteExt::write_vectored (#​3678)
• io: add a copy_bidirectional utility (#​3572)
• net: implement IntoRawFd for TcpSocket (#​3684)
• sync: add

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