Function cancel

include/boost/asio/basic_writable_pipe.hpp:432–437

Cancel all asynchronous operations associated with the pipe. * This function causes all outstanding asynchronous write operations to * finish immediately, and the handlers for cancelled operations will be * passed the boost::asio::error::operation_aborted error. * * @throws boost::system::system_error Thrown on failure. */

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

  /// Cancel all asynchronous operations associated with the pipe.
  /**