Re: tlug: more on CDROM drivers..

[kudielka@example.com]

Chris Sekiya <chris@example.com> wrote:
> > According to the ioctl manpage, -EPERM isn't valid, and it should
> > return nothing but -EBADF, -ENOTTY, or -EINVAL.  Very strange.
> 
> Not really.  That particular man page was filched from a 1993 BSD source.
> The kernel source is usually considered to be 'more correct' when things
> like this crop up.

In such cases I consider the Single UNIX Specification 
http://www.opengroup.org/onlinepubs/7908799/ as quite authoritative.
In THIS case, unfortunately, it is useless. The behaviour of ioctl() for
non-STREAMS devices is unspecified :-(

-Klaus
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