Messages in this thread |  | | Date | Sat, 19 May 2001 22:11:41 +0200 | From | Abramo Bagnara <> | Subject | Re: no ioctls for serial ports? [was Re: LANANA: To Pending DeviceNumber Registrants] |
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Linus Torvalds wrote: > > [ Attribution is gone, so I just deleted it.. ] > > > > > > fd = open("/dev/tty00/nonblock,9600,n8", O_RDWR); > > > > > > > > Hmm, there might be problem with this. How do you change speed without > > > > reopening device? [Remember: your mice knows when you close device] > > The naming scheme is not a replacement for these kinds of ioctl's - it's > just a way to make them less critical, and get people thinking in other > directions so that we don't get _more_ ioctl's.
However fchdir(fd); s = open("speed"); write(s, "19200\n", 6);
would be enough to solve the problem Pavel is pointing also without the need to use ioctl.
-- Abramo Bagnara mailto:abramo@alsa-project.org
Opera Unica Phone: +39.546.656023 Via Emilia Interna, 140 48014 Castel Bolognese (RA) - Italy
ALSA project http://www.alsa-project.org It sounds good! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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