Method start

include/exec/linux/io_uring_context.hpp:814–824

      }

      void start() & noexcept
      {
        __context& __context = __base_.context();
        if (__context.submit(this))
        {
          if (auto __ec = __context.try_wakeup())
          {
            std::terminate();  // TODO: handle error
          }
        }
      }

     private:
      _Base __base_;