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unshare.2: Document CLONE_NEWIPC 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2010-10-24 16:14:09 +02:00
parent 486d4e9b99
commit 25539b1b6c
1 changed files with 17 additions and 1 deletions
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18
man2/unshare.2
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@ -14,7 +14,6 @@
.\" by clone, which would require porting and maintaining all commands
.\" such as login, and su, that establish a user session.
.\"
.\" FIXME Document CLONE_NEWIPC, which is new in 2.6.18
.\" FIXME Document CLONE_NEWUTS, which is new in 2.6.19
.\" FIXME Document CLONE_SYSVSEM, which is new in 2.6.26
.\"
@ -76,6 +75,23 @@ or umask attributes with any other process.
or
.BR umask (2)
.TP
.BR CLONE_NEWIPC " (since Linux 2.6.19)
This flag has the same effect as the
.BR clone (2)
.B CLONE_NEWIPC
flag.
Unshare the System V IPC namespace,
so that the calling process has a private copy of the
System V IPC namespace which is not shared with any other process.
Specifying this flag automatically implies
.BR CLONE_SYSVSEM
as well.
Use of
.BR CLONE_NEWIPC
requires the
.BR CAP_SYS_ADMIN
capability.
.TP
.B CLONE_NEWNS
.\" These flag name are inconsistent:
.\" CLONE_NEWNS does the same thing in clone(), but CLONE_VM,