Function sync_all

include/boost/asio/basic_file.hpp:862–867

Synchronise the file to disk. * This function synchronises the file data and metadata to disk. Note that * the semantics of this synchronisation vary between operation systems. * * @throws boost::system::system_error Thrown on failure. */

   * @throws boost::system::system_error Thrown on failure.
   */
  void sync_all()
  {
    boost::system::error_code ec;
    impl_.get_service().sync_all(impl_.get_implementation(), ec);
    boost::asio::detail::throw_error(ec, "sync_all");
  }

  /// Synchronise the file to disk.
  /**