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- // Copyright Oliver Kowalke 2013.
- // 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_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
- #define BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
- #include <memory>
- #include <boost/config.hpp>
- #include <boost/fiber/detail/config.hpp>
- #include <boost/fiber/future/detail/shared_state.hpp>
- #ifdef BOOST_HAS_ABI_HEADERS
- # include BOOST_ABI_PREFIX
- #endif
- namespace boost {
- namespace fibers {
- namespace detail {
- template< typename R, typename Allocator >
- class shared_state_object : public shared_state< R > {
- public:
- typedef typename std::allocator_traits< Allocator >::template rebind_alloc<
- shared_state_object
- > allocator_type;
- shared_state_object( allocator_type const& alloc) :
- shared_state< R >{},
- alloc_{ alloc } {
- }
- protected:
- void deallocate_future() noexcept override final {
- destroy_( alloc_, this);
- }
- private:
- allocator_type alloc_;
- static void destroy_( allocator_type const& alloc, shared_state_object * p) noexcept {
- allocator_type a{ alloc };
- typedef std::allocator_traits< allocator_type > traity_type;
- traity_type::destroy( a, p);
- traity_type::deallocate( a, p, 1);
- }
- };
- }}}
- #ifdef BOOST_HAS_ABI_HEADERS
- # include BOOST_ABI_SUFFIX
- #endif
- #endif // BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
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