Method MakeThreadPool

library/cpp/http/server/http.cpp:505–523

private:
    template <class TThreadPool_>
    static THolder<IThreadPool> MakeThreadPool(IThreadFactory* factory, bool elastic, ICallBack* callback = nullptr, const TString& threadName = {}) {
        if (!factory) {
            factory = SystemThreadFactory();
        }

        THolder<IThreadPool> pool;
        const auto params = IThreadPool::TParams().SetFactory(factory).SetThreadName(threadName);
        if (callback) {
            pool = MakeHolder<TThreadPoolBinder<TThreadPool_, THttpServer::ICallBack>>(callback, params);
        } else {
            pool = MakeHolder<TThreadPool_>(params);
        }

        if (elastic) {
            pool = MakeHolder<TElasticQueue>(std::move(pool));
        }

        return pool;
    }
};

THttpServer::THttpServer(ICallBack* cb, const TOptions& options, IThreadFactory* pool)