From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [PATCH] [PATCH] namespaces.7: Document the /proc/[pid]/ns/pid_for_children file Date: Tue, 23 May 2017 21:43:51 +0200 Message-ID: <21c9c25d-42f8-74b0-3ffd-6300090bbd3f@gmail.com> References: <149511988876.22402.2393921521433842598.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <149511988876.22402.2393921521433842598.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Kirill Tkhai , linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-api@vger.kernel.org Hello Kirill, On 05/18/2017 05:05 PM, Kirill Tkhai wrote: > Corresponding kernel commit: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eaa0d190bfe1ed891b814a52712dcd852554cb08 > > Signed-off-by: Kirill Tkhai Thanks you very much for the patch! Applied (with some tweaks; see the version in Git). Cheers, Michael > --- > man7/namespaces.7 | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/man7/namespaces.7 b/man7/namespaces.7 > index 09f031347..67ea0ced0 100644 > --- a/man7/namespaces.7 > +++ b/man7/namespaces.7 > @@ -125,6 +125,7 @@ lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 ipc \-> ipc:[4026531839] > lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 mnt \-> mnt:[4026531840] > lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 net \-> net:[4026531969] > lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 pid \-> pid:[4026531836] > +lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 pid_for_children \-> pid:[4026531834] > lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 user \-> user:[4026531837] > lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 uts \-> uts:[4026531838] > .fi > @@ -186,7 +187,14 @@ This file is a handle for the network namespace of the process. > .TP > .IR /proc/[pid]/ns/pid " (since Linux 3.8)" > .\" commit 57e8391d327609cbf12d843259c968b9e5c1838f > -This file is a handle for the PID namespace of the process. > +This file is a handle for the PID namespace of the process. It's > +permanent during the whole process life. > +.TP > +.IR /proc/[pid]/ns/pid_for_children " (since Linux 4.12)" > +.\" commit eaa0d190bfe1ed891b814a52712dcd852554cb08 > +This file is a handle for the PID namespace of a next born child > +of the process. It's changed after unshare(2) and via setns(2), > +so the file may differ from /proc/[pid]/ns/pid. > .TP > .IR /proc/[pid]/ns/user " (since Linux 3.8)" > .\" commit cde1975bc242f3e1072bde623ef378e547b73f91 > > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/