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@carllerche carllerche released this 15 Oct 16:31
· 1888 commits to master since this release
tokio-0.3.0
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Learn about vigilant mode.

This represents a 1.0 beta release. APIs are polished and future-proofed. APIs not included for 1.0 stabilization have been removed.

Biggest changes are:

  • I/O driver internal rewrite. The windows implementation includes significant
    changes.
  • Runtime API is polished, especially with how it interacts with feature flag
    combinations.
  • Feature flags are simplified
    • rt-core and rt-util are combined to rt
    • rt-threaded is renamed to rt-multi-thread to match builder API
    • tcp, udp, uds, dns are combied to net.
    • parking_lot is included with full

Changes

  • meta: Minimum supported Rust version is now 1.45.
  • io: AsyncRead trait now takes ReadBuf in order to safely handle reading
    into uninitialized memory (#2758).
  • io: Internal I/O driver storage is now able to compact (#2757).
  • rt: Runtime::block_on now takes &self (#2782).
  • sync: watch reworked to decouple receiving a change notification from
    receiving the value (#2814, #2806).
  • sync: Notify::notify is renamed to notify_one (#2822).
  • process: Child::kill is now an async fn that cleans zombies (#2823).
  • sync: use const fn constructors as possible (#2833, #2790)
  • signal: reduce cross-thread notification (#2835).
  • net: tcp,udp,uds types support operations with &self (#2828, #2919, #2934).
  • sync: blocking mpsc channel supports send with &self (#2861).
  • time: rename delay_for and delay_until to sleep and sleep_until (#2826).
  • io: upgrade to mio 0.7 (#2893).
  • io: AsyncSeek trait is tweaked (#2885).
  • fs: File operations take &self (#2930).
  • rt: runtime API, and #[tokio::main] macro polish (#2876)
  • rt: Runtime::enter uses an RAII guard instead of a closure (#2954).
  • net: the from_std function on all sockets no longer sets socket into non-blocking mode (#2893)

Added

  • sync: map function to lock guards (#2445).
  • sync: blocking_recv and blocking_send fns to mpsc for use outside of Tokio (#2685).
  • rt: Builder::thread_name_fn for configuring thread names (#1921).
  • fs: impl FromRawFd and FromRawHandle for File (#2792).
  • process: Child::wait and Child::try_wait (#2796).
  • rt: support configuring thread keep-alive duration (#2809).
  • rt: task::JoinHandle::abort forcibly cancels a spawned task (#2474).
  • sync: RwLock write guard to read guard downgrading (#2733).
  • net: add poll_* functions that take &self to all net types (#2845)
  • sync: get_mut() for Mutex, RwLock (#2856).
  • sync: mpsc::Sender::closed() waits for Receiver half to close (#2840).
  • sync: mpsc::Sender::is_closed() returns true if Receiver half is closed (#2726).
  • stream: iter and iter_mut to StreamMap (#2890).
  • net: implement AsRawSocket on windows (#2911).
  • net: TcpSocket creates a socket without binding or listening (#2920).

Removed

  • io: vectored ops are removed from AsyncRead, AsyncWrite traits (#2882).
  • io: mio is removed from the public API. PollEvented and Registration are
    removed (#2893).
  • io: remove bytes from public API. Buf and BufMut implementation are
    removed (#2908).
  • time: DelayQueue is moved to tokio-util (#2897).

Fixed

  • io: stdout and stderr buffering on windows (#2734).
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