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clone.2: Document CLONE_NEWCGROUP 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2016-04-28 14:34:58 +02:00
parent d4d37f0a53
commit c5af067406
1 changed files with 19 additions and 0 deletions
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@ -258,6 +258,22 @@ If the kernel is not configured with the
.B CONFIG_BLOCK
option, this flag is a no-op.
.TP
.BR CLONE_NEWCGROUP " (since Linux 4.6)"
Create the process in a new cgroup namespace.
If this flag is not set, then (as with
.BR fork (2))
the process is created in the same cgroup namespaces as the calling process.
This flag is intended for the implementation of containers.
For further information on cgroup namespaces, see
.BR cgroups (7).
Only a privileged process
.RB ( CAP_SYS_ADMIN )
can employ
.BR CLONE_NEWCGROUP .
.\"
.TP
.BR CLONE_NEWIPC " (since Linux 2.6.19)"
If
.B CLONE_NEWIPC
@ -583,6 +599,9 @@ and was
altogether in Linux 2.6.38.
Since then, the kernel silently ignores it without error.
.\" glibc 2.8 removed this defn from bits/sched.h
Starting with Linux 4.6, the same bit was reused for the
.BR CLONE_NEWCGROUP
flag.
.TP
.BR CLONE_SYSVSEM " (since Linux 2.5.10)"
If