* lib/thread.rb: do not redefine Mutex#synchronize.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11844 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sat Feb 24 15:41:22 2007  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/thread.rb: do not redefine Mutex#synchronize.
+
 Sat Feb 24 15:14:02 2007  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/monitor.rb: rewritten using Mutex/ConditionVariable.

lib/thread.rb

@@ -21,15 +21,6 @@ if $DEBUG
   Thread.abort_on_exception = true
 end
 
-class Mutex
-  def synchronize
-    self.lock
-    yield
-  ensure
-    self.unlock
-  end
-end
-
 # 
 # ConditionVariable objects augment class Mutex. Using condition variables,
 # it is possible to suspend while in the middle of a critical section until a