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diff --git a/boost/coroutine2/detail/pull_control_block_ecv1.hpp b/boost/coroutine2/detail/pull_control_block_ecv1.hpp
new file mode 100644
index 0000000000..16d65a3e62
--- /dev/null
+++ b/boost/coroutine2/detail/pull_control_block_ecv1.hpp
@@ -0,0 +1,119 @@
+
+//          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_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP
+#define BOOST_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP
+
+#include <exception>
+#include <functional>
+#include <type_traits>
+
+#include <boost/config.hpp>
+#include <boost/context/execution_context.hpp>
+
+#include <boost/coroutine2/detail/state.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+namespace coroutines2 {
+namespace detail {
+
+template< typename T >
+struct pull_coroutine< T >::control_block {
+    boost::context::execution_context                               ctx;
+    typename push_coroutine< T >::control_block                 *   other;
+    state_t                                                         state;
+    std::exception_ptr                                              except;
+    bool                                                            bvalid;
+    typename std::aligned_storage< sizeof( T), alignof( T) >::type  storage;
+
+    static void destroy( control_block * cb) noexcept;
+
+    template< typename StackAllocator, typename Fn >
+    control_block( context::preallocated, StackAllocator, Fn &&);
+
+    control_block( typename push_coroutine< T >::control_block *, boost::context::execution_context const&) noexcept;
+
+    ~control_block() noexcept;
+
+    control_block( control_block &) = delete;
+    control_block & operator=( control_block &) = delete;
+
+    void deallocate() noexcept;
+
+    void resume();
+
+    void set( T *);
+
+    T & get() noexcept;
+
+    bool valid() const noexcept;
+};
+
+template< typename T >
+struct pull_coroutine< T & >::control_block {
+    boost::context::execution_context                   ctx;
+    typename push_coroutine< T & >::control_block   *   other;
+    state_t                                             state;
+    std::exception_ptr                                  except;
+    T                                               *   t;
+
+    static void destroy( control_block * cb) noexcept;
+
+    template< typename StackAllocator, typename Fn >
+    control_block( context::preallocated, StackAllocator, Fn &&);
+
+    control_block( typename push_coroutine< T & >::control_block *, boost::context::execution_context const&) noexcept;
+
+    ~control_block() noexcept;
+
+    control_block( control_block &) = delete;
+    control_block & operator=( control_block &) = delete;
+
+    void deallocate() noexcept;
+
+    void resume();
+
+    T & get() noexcept;
+
+    bool valid() const noexcept;
+};
+
+struct pull_coroutine< void >::control_block {
+    boost::context::execution_context           ctx;
+    push_coroutine< void >::control_block  *    other;
+    state_t                                     state;
+    std::exception_ptr                          except;
+
+    static void destroy( control_block * cb) noexcept;
+
+    template< typename StackAllocator, typename Fn >
+    control_block( context::preallocated, StackAllocator, Fn &&);
+
+    control_block( push_coroutine< void >::control_block *, boost::context::execution_context const&) noexcept;
+
+    ~control_block() noexcept;
+
+    control_block( control_block &) = delete;
+    control_block & operator=( control_block &) = delete;
+
+    void deallocate() noexcept;
+
+    void resume();
+
+    bool valid() const noexcept;
+};
+
+}}}
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_COROUTINES2_DETAIL_PULL_CONTROL_BLOCK_HPP