[pushed] Add "../lib/unbuffer_output.c" and use it in gdb.base/interrupt.c (Re: [PATCH 5/6] testsuite: Introduce $inferior_spawn_id)

[Eli Zaretskii]

> Date: Fri, 27 Feb 2015 13:59:05 +0000
> From: Pedro Alves <palves@redhat.com>
> CC: gdb-patches@sourceware.org
> 
> >> +     Windows pipe, thus not a tty and its outputs ends up fully
> >> +     buffered.  */
> >> +#ifndef __MINGW32__
> >> +  if (!isatty (fileno (stdin)))
> >> +#endif
> > 
> > Include unistd.h for isatty?
> > 
> 
> ... with these fixed.
> 
> Do you want to comment on the rest of the series, or shall I push it?

If that's isatty from the MS runtime, it will return non-zero for
every character device, including the null device.  Is that what we
want here?