JezK
Edit File: monotonic_time.rb
# Global monotonic clock from Concurrent Ruby 1.0. # Copyright (c) Jerry D'Antonio -- released under the MIT license. # Slightly modified; used with permission. # https://github.com/ruby-concurrency/concurrent-ruby require 'thread' class Bundler::ConnectionPool class_definition = Class.new do if defined?(Process::CLOCK_MONOTONIC) # @!visibility private def get_time Process.clock_gettime(Process::CLOCK_MONOTONIC) end elsif defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby' # @!visibility private def get_time java.lang.System.nanoTime() / 1_000_000_000.0 end else # @!visibility private def initialize @mutex = Mutex.new @last_time = Time.now.to_f end # @!visibility private def get_time @mutex.synchronize do now = Time.now.to_f if @last_time < now @last_time = now else # clock has moved back in time @last_time += 0.000_001 end end end end end ## # Clock that cannot be set and represents monotonic time since # some unspecified starting point. # # @!visibility private GLOBAL_MONOTONIC_CLOCK = class_definition.new private_constant :GLOBAL_MONOTONIC_CLOCK class << self ## # Returns the current time a tracked by the application monotonic clock. # # @return [Float] The current monotonic time when `since` not given else # the elapsed monotonic time between `since` and the current time def monotonic_time GLOBAL_MONOTONIC_CLOCK.get_time end end end