From 7e24aacf8bd3f6bc45ba7d42263d70dae33d5b24 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 30 Aug 2016 06:22:30 +0000
Subject: Use qualified names

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56037 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 prelude.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'prelude.rb')

diff --git a/prelude.rb b/prelude.rb
index 80f178d3bd..f9bb7451f8 100644
--- a/prelude.rb
+++ b/prelude.rb
@@ -1,5 +1,6 @@
 class Thread
-  MUTEX_FOR_THREAD_EXCLUSIVE = Mutex.new # :nodoc:
+  MUTEX_FOR_THREAD_EXCLUSIVE = Thread::Mutex.new # :nodoc:
+  private_constant :MUTEX_FOR_THREAD_EXCLUSIVE
 
   # call-seq:
   #    Thread.exclusive { block }   => obj
@@ -8,7 +9,7 @@ class Thread
   # value of the block. A thread executing inside the exclusive section will
   # only block other threads which also use the Thread.exclusive mechanism.
   def self.exclusive
-    warn "Thread.exclusive is deprecated, use Mutex", caller
+    warn "Thread.exclusive is deprecated, use Thread::Mutex", caller
     MUTEX_FOR_THREAD_EXCLUSIVE.synchronize{
       yield
     }
-- 
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