[ANN] nio4r 2.2.0: cross-platform low-level async I/O primitives for Ruby inspired by the Java NIO API

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Tony Arcieri

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Dec 27, 2017, 12:00:52 PM12/27/17

to Ruby Socketry, ruby-talk ML

nio4r provides an abstract, cross-platform stateful I/O selector API for Ruby. I/O selectors are the heart of "reactor"-based event loops, and monitor multiple I/O objects for various types of readiness, e.g. ready for reading or writing:

https://github.com/socketry/nio4r

Version 2.2.0 brings with it a handful of new APIs along with lots of bugfixes, primarily for Windows and JRuby.

Full changelog:

#151 NIO::Selector: Support for enumerating and configuring backend (@tarcieri)
#153 Fix builds on Windows (@unak)
#157 Windows / MinGW test failure - fix spec_helper.rb (@MSP-Greg)
#162 Don't build the C extension on Windows (@larskanis)
#164 Fix NIO::ByteBuffer leak (@HoneyryderChuck)
#170 Avoid CancelledKeyExceptions on JRuby (@HoneyryderChuck)
#177 Fix NIO::ByteBuffer string conversions on JRuby (@tarcieri)
#179 Fix argument error when running on ruby 2.5.0 (@tompng)
#180 ext/nio4r/extconf.rb: check for port_event_t in port.h (fixes #178) (@tarcieri)