systemd::daemon

Function is_socket_inet

Source 
pub fn is_socket_inet(
    fd: RawFd,
    family: Option<c_uint>,
    socktype: Option<SocketType>,
    listening: Listening,
    port: Option<u16>,
) -> Result<bool>
Expand description

Identifies whether the passed file descriptor is an Internet socket. If family, type, and/or port are supplied, they must match as well. See Listening for listening check parameters.