Method create

3rd/spdlog/include/spdlog/async.h:40–57

{
    template<typename Sink, typename... SinkArgs>
    static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&... args)
    {
        auto &registry_inst = details::registry::instance();

        // create global thread pool if not already exists..
        std::lock_guard<std::recursive_mutex> tp_lock(registry_inst.tp_mutex());
        auto tp = registry_inst.get_tp();
        if (tp == nullptr)
        {
            tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1);
            registry_inst.set_tp(tp);
        }

        auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
        auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy);
        registry_inst.initialize_logger(new_logger);
        return new_logger;
    }
};

using async_factory = async_factory_impl<async_overflow_policy::block>;