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0.7.2

Added

0.7.1

Reduced support for 32-bit Apple targets

In January 2020 Rust reduced its support for 32-bit Apple targets (https://blog.rust-lang.org/2020/01/03/reducing-support-for-32-bit-apple-targets.html). Starting with v0.7.1 Mio will do the same as we're no longer checking 32 bit iOS/macOS on our CI.

Added

Fixed

Changed

Removed

0.7.0

Version 0.7 of Mio contains various major changes compared to version 0.6. Overall a large number of API changes have been made to reduce the complexity of the implementation and remove overhead where possible.

Please refer to the blog post about 0.7-alpha.1 for additional information.

Added

  • Interest structure that replaces Ready in registering event sources.
  • Registry structure that separates the registering and polling functionality.
  • Waker structure that allows another thread to wake a thread polling Poll.
  • Unix Domain Socket (UDS) types: UnixDatagram, UnixListener and UnixStream.

Removed

  • All code deprecated in 0.6 was removed in 0.7.
  • Support for Fuchsia was removed as the code was unmaintained.
  • Support for Bitrig was removed, rustc dropped support for it also.
  • UnixReady was merged into Ready.
  • Custom user-space readiness queue was removed, this includes the public Registration and SetReadiness types.
  • PollOpt was removed and all registrations use edge-triggers. See the upgrade guide on how to process event using edge-triggers.
  • The network types (types in the net module) now support only the same API as found in the standard library, various methods on the types were removed.
  • TcpStream now supports vectored I/O.
  • Poll::poll_interruptible was removed. Instead Poll::poll will now return an error if one occurs.
  • From<usize> is removed from Token, the internal field is still public, so Token(my_token) can still be used.

Changed

  • Various documentation improvements were made around correct usage of Poll and registered event sources. It is recommended to reread the documentation of at least event::Source and Poll.
  • Mio now uses Rust 2018 and rustfmt for all code.
  • Event was changed to be a wrapper around the OS event. This means it can be significantly larger on some OSes.
  • Ready was removed and replaced with various is_* methods on Event. For example instead checking for readable readiness using Event::ready().is_readable(), you would call Event::is_readable().
  • Ready::is_hup was removed in favour of Event::is_read_closed and Event::is_write_closed.
  • The Iterator implementation of Events was changed to return &Event.
  • Evented was renamed to event::Source and now takes mutable reference to the source.
  • Minimum supported Rust version was increased to 1.39.
  • By default Mio now uses a shim implementation. To enable the full implementation, that uses the OS, enable the os-oll feature. To enable the network types use tcp, udp and/or uds. For more documentation on the features see the feature module in the API documentation (requires the extra-docs feature).
  • The entire Windows implementation was rewritten.
  • Various optimisation were made to reduce the number of system calls in creating and using sockets, e.g. making use of accept4(2).
  • The fmt::Debug implementation of Events is now actually useful as it prints all Events.

0.6.19 (May 28, 2018)

Fixed

  • Do not trigger HUP events on kqueue platforms (#958).

0.6.18 (May 24, 2018)

Fixed

  • Fix compilation on kqueue platforms with 32bit C long (#948).

0.6.17 (May 15, 2018)

Fixed

  • Don't report RDHUP as HUP (#939)
  • Fix lazycell related compilation issues.
  • Fix EPOLLPRI conflicting with READABLE
  • Abort process on ref count overflows

Added

  • Define PRI on all targets

0.6.16 (September 5, 2018)

  • Add EPOLLPRI readiness to UnixReady on supported platforms (#867)
  • Reduce spurious awaken calls (#875)

0.6.15 (July 3, 2018)

  • Implement Evented for containers (#840).
  • Fix android-aarch64 build (#850).

0.6.14 (March 8, 2018)

  • Add Poll::poll_interruptible (#811)
  • Add Ready::all and usize conversions (#825)

0.6.13 (February 5, 2018)

  • Fix build on DragonFlyBSD.
  • Add TcpListener::from_std that does not require the socket addr.
  • Deprecate TcpListener::from_listener in favor of from_std.

0.6.12 (January 5, 2018)

  • Add TcpStream::peek function (#773).
  • Raise minimum Rust version to 1.18.0.
  • Poll: retry select() when interrupted by a signal (#742).
  • Deprecate Events index access (#713).
  • Add Events::clear (#782).
  • Add support for lio_listio (#780).

0.6.11 (October 25, 2017)

  • Allow register to take empty interest (#640).
  • Fix bug with TCP errors on windows (#725).
  • Add TcpListener::accept_std (#733).
  • Update IoVec to fix soundness bug -- includes behavior change. (#747).
  • Minimum Rust version is now 1.14.0.
  • Fix Android x86_64 build.
  • Misc API & doc polish.

0.6.10 (July 27, 2017)

  • Experimental support for Fuchsia
  • Add only_v6 option for UDP sockets
  • Fix build on NetBSD
  • Minimum Rust version is now 1.13.0
  • Assignment operators (e.g. |=) are now implemented for Ready

0.6.9 (June 7, 2017)

  • More socket options are exposed through the TCP types, brought in through the net2 crate.

0.6.8 (May 26, 2017)

  • Support Fuchia
  • POSIX AIO support
  • Fix memory leak caused by Register::new2
  • Windows: fix handling failed TCP connections
  • Fix build on aarch64-linux-android
  • Fix usage of O_CLOEXEC with SETFL

0.6.7 (April 27, 2017)

  • Ignore EPIPE coming out of kevent
  • Timer thread should exit when timer is dropped.

0.6.6 (March 22, 2017)

  • Add send(), recv() and connect() to UDPSocket.
  • Fix bug in custom readiness queue
  • Move net types into net module

0.6.5 (March 14, 2017)

  • Misc improvements to kqueue bindings
  • Add official support for iOS, Android, BSD
  • Reimplement custom readiness queue
  • Poll is now Sync
  • Officially deprecate non-core functionality (timers, channel, etc...)
  • Registration now implements Evented
  • Fix bug around error conditions with connect on windows.
  • Use iovec crate for scatter / gather operations
  • Only support readable and writable readiness on all platforms
  • Expose additional readiness in a platform specific capacity

0.6.4 (January 24, 2017)

  • Fix compilation on musl
  • Add TcpStream::from_stream which converts a std TCP stream to Mio.

0.6.3 (January 22, 2017)

  • Implement readv/writev for TcpStream, allowing vectored reads/writes to work across platforms
  • Remove nix dependency
  • Implement Display and Error for some channel error types.
  • Optimize TCP on Windows through SetFileCompletionNotificationModes

0.6.2 (December 18, 2016)

  • Allow registration of custom handles on Windows (like EventedFd on Unix)
  • Send only one byte for the awakener on Unix instead of four
  • Fix a bug in the timer implementation which caused an infinite loop

0.6.1 (October 30, 2016)

  • Update dependency of libc to 0.2.16
  • Fix channel dec logic
  • Fix a timer bug around timeout cancellation
  • Don't allocate buffers for TCP reads on Windows
  • Touched up documentation in a few places
  • Fix an infinite looping timer thread on OSX
  • Fix compile on 32-bit OSX
  • Fix compile on FreeBSD

0.6.0 (September 2, 2016)

  • Shift primary API towards Poll
  • EventLoop and types to deprecated mod. All contents of the deprecated mod will be removed by Mio 1.0.
  • Increase minimum supported Rust version to 1.9.0
  • Deprecate unix domain socket implementation in favor of using a version external to Mio. For example: https://github.com/alexcrichton/mio-uds.
  • Remove various types now included in std
  • Updated TCP & UDP APIs to match the versions in std
  • Enable implementing Evented for any type via Registration
  • Rename IoEvent -> Event
  • Access Event data via functions vs. public fields.
  • Expose Events as a public type that is passed into Poll
  • Use std::time::Duration for all APIs that require a time duration.
  • Polled events are now retrieved via Events type.
  • Implement std::error::Error for TimerError
  • Relax Send bound on notify messages.
  • Remove Clone impl for Timeout (future proof)
  • Remove mio::prelude
  • Remove mio::util
  • Remove dependency on bytes

0.5.0 (December 3, 2015)

  • Windows support (#239)
  • NetBSD support (#306)
  • Android support (#295)
  • Don't re-export bytes types
  • Renamed EventLoop::register_opt to EventLoop::register (#257)
  • EventLoopConfig is now a builder instead of having public struct fields. It is also no longer Copy. (#259)
  • TcpSocket is no longer exported in the public API (#262)
  • Integrate with net2. (#262)
  • TcpListener now returns the remote peer address from accept as well (#275)
  • The UdpSocket::{send_to, recv_from} methods are no longer generic over Buf or MutBuf but instead take slices directly. The return types have also been updated to return the number of bytes transferred. (#260)
  • Fix bug with kqueue where an error on registration prevented the changelist from getting flushed (#276)
  • Support sending/receiving FDs over UNIX sockets (#291)
  • Mio's socket types are permanently associated with an EventLoop (#308)
  • Reduce unnecessary poll wakeups (#314)

0.4.1 (July 21, 2015)

  • [BUGFIX] Fix notify channel concurrency bug (#216)

0.4.0 (July 16, 2015)

  • [BUGFIX] EventLoop::register requests all events, not just readable.
  • [BUGFIX] Attempting to send a message to a shutdown event loop fails correctly.
  • [FEATURE] Expose TCP shutdown
  • [IMPROVEMENT] Coalesce readable & writable into ready event (#184)
  • [IMPROVEMENT] Rename TryRead & TryWrite function names to avoid conflict with std.
  • [IMPROVEMENT] Provide TCP and UDP types in Mio (path to windows #155)
  • [IMPROVEMENT] Use clock_ticks crate instead of time (path to windows #155)
  • [IMPROVEMENT] Move unix specific features into mio::unix module
  • [IMPROVEMENT] TcpListener sets SO_REUSEADDR by default