Add bin and edit workflow

bin/gems/io-event-1.9.0/lib/io/event/selector.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+# Released under the MIT License.
+# Copyright, 2021-2024, by Samuel Williams.
+
+require_relative "selector/select"
+require_relative "debug/selector"
+require_relative "support"
+
+module IO::Event
+	# @namespace
+	module Selector
+		# The default selector implementation, which is chosen based on the environment and available implementations.
+		#
+		# @parameter env [Hash] The environment to read configuration from.
+		# @returns [Class] The default selector implementation.
+		def self.default(env = ENV)
+			if name = env["IO_EVENT_SELECTOR"]&.to_sym
+				return const_get(name)
+			end
+			
+			if self.const_defined?(:URing)
+				URing
+			elsif self.const_defined?(:EPoll)
+				EPoll
+			elsif self.const_defined?(:KQueue)
+				KQueue
+			else
+				Select
+			end
+		end
+		
+		# Create a new selector instance, according to the best available implementation.
+		#
+		# @parameter loop [Fiber] The event loop fiber.
+		# @parameter env [Hash] The environment to read configuration from.
+		# @returns [Selector] The new selector instance.
+		def self.new(loop, env = ENV)
+			selector = default(env).new(loop)
+			
+			if debug = env["IO_EVENT_DEBUG_SELECTOR"]
+				selector = Debug::Selector.wrap(selector, env)
+			end
+			
+			return selector
+		end
+	end
+end