Re: Three major questions.

[Ryan Underwood <nemesis-lists@icequake.net>]

Hi,

On Thu, Sep 11, 2003 at 05:58:22PM +0400, Stas Sergeev wrote:
> Hello.
> 
> Ryan Underwood wrote:
> >>What dosemu version is this? There was an isatty() check added
> >>recently (but not *very* recently), see parser.y.in:1284. It
> >>supposed to fail if you are trying to use a virtual com port on a
> >>redirected stdio, so I don't think this way still works. Or is
> >>it?
> >This was with 1.0.2 stable IIRC.
> OK, even in this case I can't imagine
> how this could work. Dosemu assumes that
> this is a tty in all the places around.
> For example it does
> strcpy(sptr->dev, ttyname(0))
> which leads to a SIGSEGV for apparent
> reasons in case stdio is redirected.
> That was the point of adding an isatty()
> check at first place.
> Then it uses ioctl() for obtaining a serial
> port status. ioctl'ing socket will simply
> fail so the status will always be bogus.
> So actually I don't think this could ever
> work. There was a bug reports filled on SF
> that this doesn't work and segfaults, and
> then it was prohibited with an isatty() check
> and the better alternative of using a
> pseudo-tty's was added instead.
> 
> So it would be really usefull if you provide
> more info on how exactly have you done that
> and avoided all the underwater stones, and
> also how to do that with the recent dosemus.

Sure, I'll try to put a little documentation together when I have some
spare time.

-- 
Ryan Underwood, <nemesis at icequake.net>, icq=10317253