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Atmosphere / libraries / libstratosphere / include / stratosphere / sf / impl / sf_service_object_impl.hpp
/*
 * Copyright (c) Atmosphère-NX
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once
#include <vapours.hpp>

namespace ams::sf::impl {

    class ServiceObjectImplBase2 {
        private:
            std::atomic<u32> m_ref_count;
        protected:
            constexpr ServiceObjectImplBase2() : m_ref_count(1) { /* ... */ }

            void AddReferenceImpl() {
                const auto prev = m_ref_count.fetch_add(1);
                AMS_ABORT_UNLESS(prev < std::numeric_limits<u32>::max());
            }

            bool ReleaseImpl() {
                const auto prev = m_ref_count.fetch_sub(1);
                AMS_ABORT_UNLESS(prev != 0);
                return prev == 1;
            }
    };

}