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diff --git a/boost/fiber/detail/wrap.hpp b/boost/fiber/detail/wrap.hpp
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+
+//          Copyright Oliver Kowalke 2014.
+// 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)
+
+#ifndef BOOST_FIBER_DETAIL_WRAP_H
+#define BOOST_FIBER_DETAIL_WRAP_H
+
+#include <type_traits>
+
+#include <boost/config.hpp>
+#include <boost/context/detail/invoke.hpp>
+#include <boost/context/execution_context.hpp>
+
+#include <boost/fiber/detail/config.hpp>
+#include <boost/fiber/detail/data.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+# include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace fibers {
+namespace detail {
+
+#if (BOOST_EXECUTION_CONTEXT==1)
+template< typename Fn1, typename Fn2, typename Tpl  >
+class wrapper {
+private:
+    typename std::decay< Fn1 >::type    fn1_;
+    typename std::decay< Fn2 >::type    fn2_;
+    typename std::decay< Tpl >::type    tpl_;
+    boost::context::execution_context   ctx_;
+
+public:
+    wrapper( Fn1 && fn1, Fn2 && fn2, Tpl && tpl,
+             boost::context::execution_context const& ctx) :
+        fn1_( std::move( fn1) ),
+        fn2_( std::move( fn2) ),
+        tpl_( std::move( tpl) ),
+        ctx_{ ctx } {
+    }
+
+    wrapper( wrapper const&) = delete;
+    wrapper & operator=( wrapper const&) = delete;
+
+    wrapper( wrapper && other) = default;
+    wrapper & operator=( wrapper && other) = default;
+
+    void operator()( void * vp) {
+        boost::context::detail::invoke(
+                std::move( fn1_),
+                fn2_, tpl_, ctx_, vp);
+    }
+};
+
+template< typename Fn1, typename Fn2, typename Tpl  >
+wrapper< Fn1, Fn2, Tpl >
+wrap( Fn1 && fn1, Fn2 && fn2, Tpl && tpl,
+      boost::context::execution_context const& ctx) {
+    return wrapper< Fn1, Fn2, Tpl >(
+            std::forward< Fn1 >( fn1),
+            std::forward< Fn2 >( fn2),
+            std::forward< Tpl >( tpl),
+            ctx);
+}
+#else
+template< typename Fn1, typename Fn2, typename Tpl  >
+class wrapper {
+private:
+    typename std::decay< Fn1 >::type    fn1_;
+    typename std::decay< Fn2 >::type    fn2_;
+    typename std::decay< Tpl >::type    tpl_;
+
+public:
+    wrapper( Fn1 && fn1, Fn2 && fn2, Tpl && tpl) :
+        fn1_( std::move( fn1) ),
+        fn2_( std::move( fn2) ),
+        tpl_( std::move( tpl) ) {
+    }
+
+    wrapper( wrapper const&) = delete;
+    wrapper & operator=( wrapper const&) = delete;
+
+    wrapper( wrapper && other) = default;
+    wrapper & operator=( wrapper && other) = default;
+
+    boost::context::execution_context< data_t * >
+    operator()( boost::context::execution_context< data_t * > ctx, data_t * dp) {
+        return boost::context::detail::invoke(
+                std::move( fn1_),
+                fn2_, tpl_, std::move( ctx), dp);
+    }
+};
+
+template< typename Fn1, typename Fn2, typename Tpl  >
+wrapper< Fn1, Fn2, Tpl >
+wrap( Fn1 && fn1, Fn2 && fn2, Tpl && tpl) {
+    return wrapper< Fn1, Fn2, Tpl >(
+            std::forward< Fn1 >( fn1),
+            std::forward< Fn2 >( fn2),
+            std::forward< Tpl >( tpl) );
+}
+#endif
+
+}}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_FIBER_DETAIL_WRAP_H