On Tue, Feb 7, 2017 at 5:18 PM, Patrick Pief <[email protected]> wrote: > ---- On Mon, 06 Feb 2017 20:33:39 +0100 Denys Vlasenko > <[email protected]> wrote ---- > > Traditionally, Unix logins are not handled by running "login" > > program in a loop. "getty" is run in a loop, and it has no timeout. > > When user enters username, then getty execs login. > > _Then_ login can time out. > > > > This is not done on a whim. For example, getty sets up a new session > > and ensures than (only) this session has tty as controlling tty. > > > > If a serial console is set through kernel parameters, why set it up again? > The tty is at that point seems to be configured and ready, but I might not be > understand what getty is for and what a "controlling tty" is (exclusive > usage?), > I guess I'm going to research it or ask at [unix.se].
A good explanation is at http://www.win.tue.nl/~aeb/linux/lk/lk-10.html _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
