* lib/mutex_m.rb (sleep): added Mutex_m#sleep to support ConditionVariable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Jul 23 16:07:32 2010  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* lib/mutex_m.rb (sleep): added Mutex_m#sleep to support
+	  ConditionVariable.
+
 Fri Jul 23 15:09:22 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (RUBY_MINGW32): ignore msvc suffix.

lib/mutex_m.rb

@@ -78,6 +78,10 @@ module Mutex_m
     @_mutex.unlock
   end
 
+  def sleep(timeout = nil)
+    @_mutex.sleep(timeout)
+  end
+
   private
 
   def mu_initialize

test/test_mutex_m.rb

@@ -0,0 +1,25 @@
+require 'test/unit'
+require 'thread'
+require 'mutex_m'
+
+class TestMutexM < Test::Unit::TestCase
+  def test_cv_wait
+    o = Object.new
+    o.extend(Mutex_m)
+    c = ConditionVariable.new
+    t = Thread.start {
+      o.synchronize do
+        until foo = o.instance_variable_get(:@foo)
+          c.wait(o)
+        end
+        foo
+      end
+    }
+    sleep(0.0001)
+    o.synchronize do
+      o.instance_variable_set(:@foo, "abc")
+    end
+    c.signal
+    assert_equal "abc", t.value
+  end
+end