concurrency-event.diff

diff --git a/Source/Core/Common/Thread.h b/Source/Core/Common/Thread.h
index d108359..8e03c6a 100644
--- a/Source/Core/Common/Thread.h
+++ b/Source/Core/Common/Thread.h
@@ -24,6 +24,8 @@
 #include <sys/time.h>
 #endif
 
+#include <concrt.h>
+
 namespace Common
 {
 
@@ -36,39 +38,25 @@ class Event
 {
 public:
 	Event()
-		: is_set(false)
 	{}
 
 	void Set()
 	{
-		std::lock_guard<std::mutex> lk(m_mutex);
-		if (!is_set)
-		{
-			is_set = true;
-			m_condvar.notify_one();
-		}
+        m_event.set();
 	}
 
 	void Wait()
 	{
-		std::unique_lock<std::mutex> lk(m_mutex);
-		m_condvar.wait(lk, [&]{ return is_set; });
-		is_set = false;
+        m_event.wait();
 	}
 
 	void Reset()
 	{
-		std::unique_lock<std::mutex> lk(m_mutex);
-		// no other action required, since wait loops on
-		// the predicate and any lingering signal will get
-		// cleared on the first iteration
-		is_set = false;
+        m_event.reset();
 	}
 
 private:
-	volatile bool is_set;
-	std::condition_variable m_condvar;
-	std::mutex m_mutex;
+    concurrency::event m_event;
 };
 
 // TODO: doesn't work on windows with (count > 2)