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//
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//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// Official repository: https://github.com/boostorg/json
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// Official repository: https://github.com/boostorg/json
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//
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//
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#ifndef BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
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#ifndef BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
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#define BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
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#define BOOST_JSON_DETAIL_SHARED_RESOURCE_HPP
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#include <boost/container/pmr/memory_resource.hpp>
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#include <boost/container/pmr/memory_resource.hpp>
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#include <atomic>
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#include <atomic>
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#include <utility>
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#include <utility>
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namespace boost {
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namespace boost {
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namespace json {
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namespace json {
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namespace detail {
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namespace detail {
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#ifdef _MSC_VER
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(push)
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#pragma warning(disable: 4275) // non dll-interface class used as base for dll-interface class
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#pragma warning(disable: 4275) // non dll-interface class used as base for dll-interface class
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#endif
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#endif
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struct BOOST_SYMBOL_VISIBLE
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struct BOOST_SYMBOL_VISIBLE
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    shared_resource
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    shared_resource
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    : container::pmr::memory_resource
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    : container::pmr::memory_resource
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{
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{
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    BOOST_JSON_DECL
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    BOOST_JSON_DECL
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    shared_resource();
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    shared_resource();
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    BOOST_JSON_DECL
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    BOOST_JSON_DECL
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    ~shared_resource();
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    ~shared_resource();
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    std::atomic<std::size_t> refs{ 1 };
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    std::atomic<std::size_t> refs{ 1 };
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};
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};
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template<class T>
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template<class T>
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class shared_resource_impl final
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class shared_resource_impl final
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    : public shared_resource
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    : public shared_resource
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{
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{
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    T t;
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    T t;
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public:
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public:
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    template<class... Args>
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    template<class... Args>
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    shared_resource_impl(
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    shared_resource_impl(
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        Args&&... args)
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        Args&&... args)
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        : t(std::forward<Args>(args)...)
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        : t(std::forward<Args>(args)...)
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    {
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    {
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    }
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    }
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    void*
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    void*
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    do_allocate(
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    do_allocate(
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        std::size_t n,
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        std::size_t n,
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        std::size_t align) override
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        std::size_t align) override
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    {
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    {
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        return t.allocate(n, align);
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        return t.allocate(n, align);
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    }
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    }
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    void
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    void
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    do_deallocate(
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    do_deallocate(
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        void* p,
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        void* p,
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        std::size_t n,
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        std::size_t n,
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        std::size_t align) override
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        std::size_t align) override
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    {
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    {
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        return t.deallocate(p, n, align);
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        return t.deallocate(p, n, align);
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    }
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    }
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    bool
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    bool
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    do_is_equal(
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    do_is_equal(
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        memory_resource const&) const noexcept override
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        memory_resource const&) const noexcept override
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    {
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    {
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        // VFALCO Is always false ok?
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        // VFALCO Is always false ok?
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        return false;
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        return false;
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    }
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    }
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};
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};
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#ifdef _MSC_VER
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#ifdef _MSC_VER
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#pragma warning(pop)
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#pragma warning(pop)
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#endif
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#endif
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} // detail
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} // detail
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} // namespace json
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} // namespace json
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} // namespace boost
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} // namespace boost
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#endif
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#endif