Файловый менеджер - Редактировать - /opt/alt/ruby32/share/gems/gems/bundler-2.4.19/lib/bundler/worker.rb
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# frozen_string_literal: true module Bundler class Worker POISON = Object.new class WrappedException < StandardError attr_reader :exception def initialize(exn) @exception = exn end end # @return [String] the name of the worker attr_reader :name # Creates a worker pool of specified size # # @param size [Integer] Size of pool # @param name [String] name the name of the worker # @param func [Proc] job to run in inside the worker pool def initialize(size, name, func) @name = name @request_queue = Thread::Queue.new @response_queue = Thread::Queue.new @func = func @size = size @threads = nil @previous_interrupt_handler = nil end # Enqueue a request to be executed in the worker pool # # @param obj [String] mostly it is name of spec that should be downloaded def enq(obj) create_threads unless @threads @request_queue.enq obj end # Retrieves results of job function being executed in worker pool def deq result = @response_queue.deq raise result.exception if result.is_a?(WrappedException) result end def stop stop_threads end private def process_queue(i) loop do obj = @request_queue.deq break if obj.equal? POISON @response_queue.enq apply_func(obj, i) end end def apply_func(obj, i) @func.call(obj, i) rescue Exception => e # rubocop:disable Lint/RescueException WrappedException.new(e) end # Stop the worker threads by sending a poison object down the request queue # so as worker threads after retrieving it, shut themselves down def stop_threads return unless @threads @threads.each { @request_queue.enq POISON } @threads.each(&:join) remove_interrupt_handler @threads = nil end def abort_threads Bundler.ui.debug("\n#{caller.join("\n")}") @threads.each(&:exit) exit 1 end def create_threads creation_errors = [] @threads = Array.new(@size) do |i| Thread.start { process_queue(i) }.tap do |thread| thread.name = "#{name} Worker ##{i}" if thread.respond_to?(:name=) end rescue ThreadError => e creation_errors << e nil end.compact add_interrupt_handler unless @threads.empty? return if creation_errors.empty? message = "Failed to create threads for the #{name} worker: #{creation_errors.map(&:to_s).uniq.join(", ")}" raise ThreadCreationError, message if @threads.empty? Bundler.ui.info message end def add_interrupt_handler @previous_interrupt_handler = trap("INT") { abort_threads } end def remove_interrupt_handler return unless @previous_interrupt_handler trap "INT", @previous_interrupt_handler end end end
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