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a7306ed8d9
Pid and user namepaces are hierarchical. There is no way to discover parent-child relationships. In a future we will use this interface to dump and restore nested namespaces. Acked-by: Serge Hallyn <serge@hallyn.com> Signed-off-by: Andrei Vagin <avagin@openvz.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
13 lines
333 B
C
13 lines
333 B
C
#ifndef __LINUX_NSFS_H
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#define __LINUX_NSFS_H
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#include <linux/ioctl.h>
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#define NSIO 0xb7
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/* Returns a file descriptor that refers to an owning user namespace */
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#define NS_GET_USERNS _IO(NSIO, 0x1)
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/* Returns a file descriptor that refers to a parent namespace */
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#define NS_GET_PARENT _IO(NSIO, 0x2)
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#endif /* __LINUX_NSFS_H */
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