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

Abramo Bagnara
2001-05-20T14:31:17Z

Alexander Viro wrote:
>
> On 20 May 2001, Kai Henningsen wrote:
>
> > I've seen this question several times in this thread. I haven't seen the
> > obvious answer, though.
> >
> > Have a new system call:
> >
> > ctlfd = open_device_control_fd(fd);
> > If fd is something that doesn't have a control interface (say, it already
> > is a control filehandle), this returns an appropriate error code.
>
> It may have several. Which one?

Can you explain better this?

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Abramo Bagnara mailto:abramo@alsa-project.org

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It sounds good!