Asynchronously shut down SSL on the stream.
template< typename ShutdownHandler = DEFAULT> DEDUCED async_shutdown( ShutdownHandler && handler = DEFAULT);
This function is used to asynchronously shut down SSL on the stream. This function call always returns immediately.
The handler to be called when the handshake operation completes. Copies will be made of the handler as required. The equivalent function signature of the handler must be:
void handler( const asio::error_code& error // Result of operation. );
This asynchronous operation supports cancellation for the following cancellation_type
values:
cancellation_type::terminal
cancellation_type::partial
if they are also supported by the Stream
type's async_read_some
and async_write_some
operations.