Method blocking_t query

3rd/asio-1.24.0/include/asio/thread_pool.hpp:466–474

Query the current value of the @c blocking property. * Do not call this function directly. It is intended for use with the * asio::query customisation point. * * For example: * @code auto ex = my_thread_pool.executor(); * if (asio::query(ex, asio::execution::blocking) * == asio::execution::blocking.always) * ... @endcode */

   *   ... @endcode
   */
  ASIO_CONSTEXPR execution::blocking_t query(
      execution::blocking_t) const ASIO_NOEXCEPT
  {
    return (bits_ & blocking_never)
      ? execution::blocking_t(execution::blocking.never)
      : ((Bits & blocking_always)
          ? execution::blocking_t(execution::blocking.always)
          : execution::blocking_t(execution::blocking.possibly));
  }

  /// Query the current value of the @c relationship property.
  /**