From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kirill Tkhai Subject: [PATCH] [PATCH] namespaces.7: Document the /proc/[pid]/ns/pid_for_children file Date: Thu, 18 May 2017 18:05:30 +0300 Message-ID: <149511988876.22402.2393921521433842598.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ktkhai-5HdwGun5lf+gSpxsJD1C4w@public.gmane.org, keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-api@vger.kernel.org Corresponding kernel commit: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eaa0d190bfe1ed891b814a52712dcd852554cb08 Signed-off-by: Kirill Tkhai --- 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