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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_t;
shared_state_object( allocator_t const& alloc) :
shared_state< R >(), alloc_( alloc) {
}
protected:
void deallocate_future() noexcept override final {
destroy_( alloc_, this);
}
private:
allocator_t alloc_;
static void destroy_( allocator_t const& alloc, shared_state_object * p) noexcept {
allocator_t a{ alloc };
a.destroy( p);
a.deallocate( p, 1);
}
};
}}}
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif
#endif // BOOST_FIBERS_DETAIL_SHARED_STATE_OBJECT_H
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