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Contents
# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2011-2017, by Tony Arcieri.
# Copyright, 2013, by Stephen von Takach.
# Copyright, 2013, by Per Lundberg.
# Copyright, 2014, by Marek Kowalcze.
# Copyright, 2016, by Upekshe Jayasekera.
# Copyright, 2019-2023, by Samuel Williams.
# Copyright, 2021, by Jun Jiang.
require "socket"
require "nio/version"
# New I/O for Ruby
module NIO
# NIO implementation, one of the following (as a string):
# * select: in pure Ruby using Kernel.select
# * libev: as a C extension using libev
# * java: using Java NIO
def self.engine
ENGINE
end
def self.pure?(env = ENV)
# The user has explicitly opted in to non-native implementation:
if env["NIO4R_PURE"] == "true"
return true
end
# Native Ruby on Windows is not supported:
if (Gem.win_platform? && !defined?(JRUBY_VERSION))
return true
end
# M1 native extension is crashing on M1 (arm64):
# if RUBY_PLATFORM =~ /darwin/ && RUBY_PLATFORM =~ /arm64/
# return true
# end
return false
end
end
if NIO.pure?
require "nio/monitor"
require "nio/selector"
require "nio/bytebuffer"
NIO::ENGINE = "ruby"
else
require "nio4r_ext"
if defined?(JRUBY_VERSION)
require "java"
require "jruby"
org.nio4r.Nio4r.new.load(JRuby.runtime, false)
NIO::ENGINE = "java"
else
NIO::ENGINE = "libev"
end
end
Version data entries
13 entries across 13 versions & 4 rubygems