CHORE: Replaced mutex with monitor

lib/yell/adapters/base.rb

@@ -1,6 +1,6 @@
 # encoding: utf-8
 
-require 'thread'
+require 'monitor'
 
 module Yell #:nodoc:
   module Adapters #:nodoc:
@@ -40,7 +40,7 @@ module Adapters #:nodoc:
     #
     #   logger = Yell.new :puts
     #   logger.info "Hello World!"
-    class Base
+    class Base < Monitor
       include Yell::Level::Helpers
 
       class << self
@@ -125,7 +125,7 @@ def define!( name, _m, m, &block )
       #
       # You should not overload the constructor, use #setup instead.
       def initialize( options = {}, &block )
-        @mutex = Mutex.new
+        super() # init the monitor superclass
 
         setup!(options)
         block.call(self) if block
@@ -191,10 +191,6 @@ def write?( event )
         @level.nil? || @level.at?( event.level )
       end
 
-      def synchronize( &block )
-        @mutex.synchronize( &block )
-      end
-
     end
 
   end

lib/yell/adapters/file.rb

@@ -14,14 +14,19 @@ class File < Yell::Adapters::Io
         self.sync = options.fetch(:sync, true)
       end
 
+
+      # Sets the “sync mode” to true or false.
+      #
+      # When true (default), every log event is immediately written to the file. 
+      # When false, the log event is buffered internally.
       attr_accessor :sync
 
 
       private
 
       # @overload Lazily open the file handle
       def stream
-        @stream or open!
+        synchronize { @stream or open! }
       end
 
       def open!

spec/yell/adapters/file_spec.rb

@@ -44,19 +44,15 @@
       let( :adapter ) { Yell::Adapters::File.new }
 
       it "should sync by default" do
-        any_instance_of( File ) do |file|
-          mock( file ).sync=( true )
-        end
+        mock( devnull ).sync=( true )
 
         adapter.write( event )
       end
 
       it "pass the option to File" do
         adapter.sync = false
 
-        any_instance_of( File ) do |file|
-          mock( file ).sync=( false )
-        end
+        mock( devnull ).sync=( false )
 
         adapter.write( event )
       end