Open the acceptor using the specified protocol.

asio::error_code open(
    const protocol_type & protocol,
    asio::error_code & ec);

This function opens the socket acceptor so that it will use the specified protocol.

Parameters

Example

asio::ip::tcp::acceptor acceptor(io_service);
asio::error_code ec;
acceptor.open(asio::ip::tcp::v4(), ec);
if (ec)
{
  // An error occurred.
}