Function alacritty::daemon::spawn_daemon

pub fn spawn_daemon<I, S>(
    program: &str, 
    args: I, 
    master_fd: RawFd, 
    shell_pid: u32
) -> Result<()> where
    I: IntoIterator<Item = S> + Copy,
    S: AsRef<OsStr>, 

Start a new process in the background.