Added boost header

test/external/boost/thread/win32/interlocked_read.hpp

@@ -0,0 +1,80 @@
+#ifndef BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP
+#define BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP
+
+//  interlocked_read_win32.hpp
+//
+//  (C) Copyright 2005-8 Anthony Williams 
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/detail/interlocked.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+#ifdef BOOST_MSVC
+
+extern "C" void _ReadWriteBarrier(void);
+#pragma intrinsic(_ReadWriteBarrier)
+
+namespace boost
+{
+    namespace detail
+    {
+        inline long interlocked_read_acquire(long volatile* x)
+        {
+            long const res=*x;
+            _ReadWriteBarrier();
+            return res;
+        }
+        inline void* interlocked_read_acquire(void* volatile* x)
+        {
+            void* const res=*x;
+            _ReadWriteBarrier();
+            return res;
+        }
+
+        inline void interlocked_write_release(long volatile* x,long value)
+        {
+            _ReadWriteBarrier();
+            *x=value;
+        }
+        inline void interlocked_write_release(void* volatile* x,void* value)
+        {
+            _ReadWriteBarrier();
+            *x=value;
+        }
+    }
+}
+
+#else
+
+namespace boost
+{
+    namespace detail
+    {
+        inline long interlocked_read_acquire(long volatile* x)
+        {
+            return BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,0,0);
+        }
+        inline void* interlocked_read_acquire(void* volatile* x)
+        {
+            return BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(x,0,0);
+        }
+        inline void interlocked_write_release(long volatile* x,long value)
+        {
+            BOOST_INTERLOCKED_EXCHANGE(x,value);
+        }
+        inline void interlocked_write_release(void* volatile* x,void* value)
+        {
+            BOOST_INTERLOCKED_EXCHANGE_POINTER(x,value);
+        }
+    }
+}
+
+#endif
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif