From f4053cf5554deb0051aabfc90180784236f1f25b Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 9 May 2010 17:10:18 +0000
Subject: [PATCH] * lib/thread.rb (ConditionVariable#wait): ensure to remove
 the current   thread from waiters.  [ruby-core:29835]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog     | 5 +++++
 lib/thread.rb | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7677a7010f..91c0e417f4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon May 10 02:07:20 2010  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* lib/thread.rb (ConditionVariable#wait): ensure to remove the current
+	  thread from waiters.  [ruby-core:29835]
+
 Mon May 10 00:54:15 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/io/console/console.c (console_set_raw): new method.
diff --git a/lib/thread.rb b/lib/thread.rb
index f3831a7425..88f834c550 100644
--- a/lib/thread.rb
+++ b/lib/thread.rb
@@ -69,6 +69,10 @@ class ConditionVariable
         @waiters.push(Thread.current)
       end
       mutex.sleep timeout
+    ensure
+      @waiters_mutex.synchronize do
+        @waiters.delete(Thread.current)
+      end
     end
     self
   end