[Boost-commit] svn:boost r7071

From: matt_calabrese_at_[hidden]
Date: 2007-06-15 20:12:42

Author: matt_calabrese
Date: 2007-06-15 20:12:41 EDT (Fri, 15 Jun 2007)
New Revision: 7071
URL: http://svn.boost.org/trac/boost/changeset/7071

Log:

Added:
   sandbox/SOC/2006/concurrency/trunk/boost/act/interlocked/retrieve/
   sandbox/SOC/2006/concurrency/trunk/boost/act/interlocked/retrieve/detail/
   sandbox/SOC/2006/concurrency/trunk/boost/act/interlocked/retrieve/detail/retrieve_default.hpp

Added: sandbox/SOC/2006/concurrency/trunk/boost/act/interlocked/retrieve/detail/retrieve_default.hpp
==============================================================================
--- (empty file)
+++ sandbox/SOC/2006/concurrency/trunk/boost/act/interlocked/retrieve/detail/retrieve_default.hpp	2007-06-15 20:12:41 EDT (Fri, 15 Jun 2007)
@@ -0,0 +1,89 @@
+/*=============================================================================
+    Copyright (c) 2006, 2007 Matthew Calabrese
+
+    Use, modification and distribution is subject to 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)
+==============================================================================*/
+
+#ifndef BOOST_ACT_INTERLOCKED_RETRIEVE_DETAIL_RETRIEVE_DEFAULT_IMPL_HPP
+#define BOOST_ACT_INTERLOCKED_RETRIEVE_DETAIL_RETRIEVE_DEFAULT_IMPL_HPP
+
+#include <boost/act/interlocked/detail/cas_support.hpp>
+
+#ifdef BOOST_ACT_INTERLOCKED_DETAIL_CAS_SUPPORT_DATA
+
+#if BOOST_ACT_INTERLOCKED_DETAIL_HAS_VOLATILE_RETRIEVE // If: volatile impl
+
+namespace boost { namespace act { namespace interlocked { namespace detail {
+
+template< typename ResultType, typename UnqualifiedType >
+struct retrieve_default_impl
+{
+  template< typename TargetType >
+  static ResultType execute( TargetType volatile& target )
+  {
+    return target;
+  }
+};
+
+} } } }
+
+#else // Else: Custom interlocked retrieve for this system (no default)
+
+#include <boost/mpl/assert.hpp>
+#include <boost/mpl/always.hpp>
+#include <boost/mpl/apply.hpp>
+#include <boost/mpl/bool.hpp>
+
+namespace boost { namespace act { namespace interlocked { namespace detail {
+
+template< typename ResultType, typename UnqualifiedType >
+struct retrieve_default_impl
+{
+  template< typename TargetType >
+  static ResultType execute( TargetType& target )
+  {
+    BOOST_MPL_ASSERT_MSG
+    (
+      ( mpl::apply< mpl::always< mpl::false_ >, TargetType >::type::value )
+    , NO_DEFAULT_INTERLOCKED_RETRIEVE_IMPLEMENTATION_FOR_THIS_SYSTEM
+    , ()
+    );
+  }
+};
+
+} } } }
+
+#endif
+
+#else // Else: No interlocked operations for this system
+
+#include <boost/mpl/assert.hpp>
+#include <boost/mpl/always.hpp>
+#include <boost/mpl/apply.hpp>
+#include <boost/mpl/bool.hpp>
+
+namespace boost { namespace act { namespace interlocked { namespace detail {
+
+template< typename ResultType, typename UnqualifiedType >
+struct retrieve_default_impl
+{
+  template< typename TargetType >
+  static ResultType execute( TargetType& target )
+  {
+    BOOST_MPL_ASSERT_MSG
+    (
+      ( mpl::apply< mpl::always< mpl::false_ >, TargetType >::type::value )
+    , INTERLOCKED_OPERATIONS_NOT_DEFINED_FOR_THIS_SYSTEM
+    , ()
+    );
+  }
+};
+
+
+} } } }
+
+#endif
+
+#endif