Re: procfs difference between NetBSD and Linux

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

Fails under FreeBSD 13 as well:

root@f13:~xci # touch foo.txt
root@f13:~xci # cc -o s s.c
root@f13:~xci # ./s
fd = 3
new_fd = -1
root@f13:~xci # uname -a
FreeBSD f13 13.0-RELEASE FreeBSD 13.0-RELEASE #0
releng/13.0-n244733-ea31abc261f: Fri Apr  9 04:24:09 UTC 2021
root%releng1.nyi.freebsd.org@localhost:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
amd64


On Tue, 1 Jun 2021 at 10:54, Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
>
> On Tue, 1 Jun 2021 at 10:13, Martin Husemann <martin%duskware.de@localhost> wrote:
> >
> > On Tue, Jun 01, 2021 at 10:03:50AM +0100, Chavdar Ivanov wrote:
> > > Succeeds for me:
> > > ...
> > > ?  ~ gcc -o s s.c
> > > ?  ~ ./s
> > > fd = -1
> > > new_fd = -1
> >
> > You need to touch foo.txt upfront, that will make the first open work, but
> > the second fail:
> >
> >  > ./a.out
> > fd = 3
> > new_fd = -1
> >
> >
> > ... so I can reproduce the issue. I am not sure this shold succeed, but it
> > is a gray area (and semantics for procfs are not well defined).
>
> Same; I've mistyped 'foo.tx' in the touch command.
>
> >
> > Martin
>
>
>
> --
> ----



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