mirror of https://github.com/mkerrisk/man-pages
namespaces.7: Document the /proc/[pid]/ns/pid_for_children file
Corresponding kernel commit: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eaa0d190bfe1ed891b814a52712dcd852554cb08 Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -125,6 +125,7 @@ lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 ipc \-> ipc:[4026531839]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 mnt \-> mnt:[4026531840]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 mnt \-> mnt:[4026531840]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 net \-> net:[4026531969]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 net \-> net:[4026531969]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 pid \-> pid:[4026531836]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 pid \-> pid:[4026531836]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 pid_for_children \-> pid:[4026531834]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 user \-> user:[4026531837]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 user \-> user:[4026531837]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 uts \-> uts:[4026531838]
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lrwxrwxrwx. 1 mtk mtk 0 Apr 28 12:46 uts \-> uts:[4026531838]
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.fi
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.fi
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@ -186,7 +187,14 @@ This file is a handle for the network namespace of the process.
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.TP
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.TP
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.IR /proc/[pid]/ns/pid " (since Linux 3.8)"
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.IR /proc/[pid]/ns/pid " (since Linux 3.8)"
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.\" commit 57e8391d327609cbf12d843259c968b9e5c1838f
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.\" commit 57e8391d327609cbf12d843259c968b9e5c1838f
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This file is a handle for the PID namespace of the process.
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This file is a handle for the PID namespace of the process. It's
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permanent during the whole process life.
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.TP
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.IR /proc/[pid]/ns/pid_for_children " (since Linux 4.12)"
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.\" commit eaa0d190bfe1ed891b814a52712dcd852554cb08
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This file is a handle for the PID namespace of a next born child
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of the process. It's changed after unshare(2) and via setns(2),
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so the file may differ from /proc/[pid]/ns/pid.
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.TP
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.TP
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.IR /proc/[pid]/ns/user " (since Linux 3.8)"
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.IR /proc/[pid]/ns/user " (since Linux 3.8)"
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.\" commit cde1975bc242f3e1072bde623ef378e547b73f91
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.\" commit cde1975bc242f3e1072bde623ef378e547b73f91
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