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// Copyright Oliver Kowalke 2013.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
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#define BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
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#include <memory>
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#include <boost/config.hpp>
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#include <boost/fiber/detail/config.hpp>
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#include <boost/fiber/future/detail/shared_state.hpp>
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_PREFIX
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#endif
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namespace boost {
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namespace fibers {
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namespace detail {
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template< typename R, typename Allocator >
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class shared_state_object : public shared_state< R > {
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public:
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typedef typename std::allocator_traits< Allocator >::template rebind_alloc<
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shared_state_object
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> allocator_type;
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shared_state_object( allocator_type const& alloc) :
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shared_state< R >{},
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alloc_{ alloc } {
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}
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protected:
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void deallocate_future() noexcept override final {
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destroy_( alloc_, this);
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}
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private:
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allocator_type alloc_;
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static void destroy_( allocator_type const& alloc, shared_state_object * p) noexcept {
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allocator_type a{ alloc };
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typedef std::allocator_traits< allocator_type > traity_type;
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traity_type::destroy( a, p);
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traity_type::deallocate( a, p, 1);
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}
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};
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}}}
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#ifdef BOOST_HAS_ABI_HEADERS
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# include BOOST_ABI_SUFFIX
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#endif
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#endif // BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
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