Re: no ioctls for serial ports? [was Re: LANANA: To Pending DeviceNumber

[Abramo Bagnara]

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:[e-mail]

Opera Unica                          Phone: [phone]
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It sounds good!