Moved clock_time from w/i Condition to utilities.

Author: jdantonio

lib/concurrent/atomic/condition.rb

@@ -1,3 +1,5 @@
+require 'concurrent/utility/clock_time'
+
 module Concurrent
 
   # Condition is a better implementation of standard Ruby ConditionVariable. The
@@ -42,13 +44,13 @@ def initialize
     # @param [Object] timeout nil means no timeout
     # @return [Result]
     def wait(mutex, timeout = nil)
-      start_time = clock_time
+      start_time = Concurrent::clock_time
       @condition.wait(mutex, timeout)
 
       if timeout.nil?
         Result.new(nil)
       else
-        Result.new(start_time + timeout - clock_time)
+        Result.new(start_time + timeout - Concurrent::clock_time)
       end
     end
 
@@ -65,21 +67,5 @@ def broadcast
       @condition.broadcast
       true
     end
-
-    private
-
-    if defined?(Process::CLOCK_MONOTONIC)
-      def clock_time
-        Process.clock_gettime Process::CLOCK_MONOTONIC
-      end
-    elsif RUBY_PLATFORM == 'java'
-      def clock_time
-        java.lang.System.nanoTime() / 1_000_000_000.0
-      end
-    else
-      def clock_time
-        Time.now.to_f
-      end
-    end
   end
 end

lib/concurrent/utilities.rb

@@ -1,3 +1,4 @@
+require 'concurrent/utility/clock_time'
 require 'concurrent/utility/processor_count'
 require 'concurrent/utility/timeout'
 require 'concurrent/utility/timer'

lib/concurrent/utility/clock_time.rb

@@ -0,0 +1,18 @@
+module Concurrent
+
+  if defined?(Process::CLOCK_MONOTONIC)
+    def clock_time
+      Process.clock_gettime(Process::CLOCK_MONOTONIC)
+    end
+  elsif RUBY_PLATFORM == 'java'
+    def clock_time
+      java.lang.System.nanoTime() / 1_000_000_000.0
+    end
+  else
+    def clock_time
+      Time.now.to_f
+    end
+  end
+
+  module_function :clock_time
+end