On Thu, May 08, 2014 at 12:09:22PM +0200, Werner Fink wrote:
> The nowadays used plymouth locks the devices used for the system
> console which causes that agetty as well as sulogin can not modify
> the termios settings of e.g. the serial devices of the systenm console.
All applied, thanks!
> + int fd = con->fd, i = (plymouth_command("--ping")) ? 20 : 0;
> +
> + while (i-- > 0) {
> + /*
> + * With plymouth the termios flags become changed after this
> + * function had changed the termios.
> + */
> + memset(&lock, 0, sizeof(struct termios));
> + if (ioctl(fd, TIOCGLCKTRMIOS, &lock) < 0)
> + break;
> + if (!lock.c_iflag && !lock.c_oflag && !lock.c_cflag && !lock.c_lflag)
> + break;
> + if (i == 15 && plymouth_command("quit") != 0)
> + break;
> + sleep(1);
> + }
> + memset(&lock, 0, sizeof(struct termios));
> + ioctl(fd, TIOCSLCKTRMIOS, &lock);
I hope 20s sleep is the worst case and in normal situations we don't
have to call plymouth "quit" from sulogin/agetty.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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