Quelle nsfs.h Sprache: C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_NSFS_H
#define __LINUX_NSFS_H

#include <linux/ioctl.h>
#include <linux/types.h>

#define NSIO 0xb7

/* Returns a file descriptor that refers to an owning user namespace */
#define NS_GET_USERNS  _IO(NSIO, 0x1)
/* Returns a file descriptor that refers to a parent namespace */
#define NS_GET_PARENT  _IO(NSIO, 0x2)
/* Returns the type of namespace (CLONE_NEW* value) referred to by
   file descriptor */
#define NS_GET_NSTYPE  _IO(NSIO, 0x3)
/* Get owner UID (in the caller's user namespace) for a user namespace */
#define NS_GET_OWNER_UID _IO(NSIO, 0x4)
/* Get the id for a mount namespace */
#define NS_GET_MNTNS_ID  _IOR(NSIO, 0x5, __u64)
/* Translate pid from target pid namespace into the caller's pid namespace. */
#define NS_GET_PID_FROM_PIDNS _IOR(NSIO, 0x6, int)
/* Return thread-group leader id of pid in the callers pid namespace. */
#define NS_GET_TGID_FROM_PIDNS _IOR(NSIO, 0x7, int)
/* Translate pid from caller's pid namespace into a target pid namespace. */
#define NS_GET_PID_IN_PIDNS _IOR(NSIO, 0x8, int)
/* Return thread-group leader id of pid in the target pid namespace. */
#define NS_GET_TGID_IN_PIDNS _IOR(NSIO, 0x9, int)

struct mnt_ns_info {
__u32 size;
__u32 nr_mounts;
__u64 mnt_ns_id;
};

#define MNT_NS_INFO_SIZE_VER0 16 /* size of first published struct */

/* Get information about namespace. */
#define NS_MNT_GET_INFO  _IOR(NSIO, 10, struct mnt_ns_info)
/* Get next namespace. */
#define NS_MNT_GET_NEXT  _IOR(NSIO, 11, struct mnt_ns_info)
/* Get previous namespace. */
#define NS_MNT_GET_PREV  _IOR(NSIO, 12, struct mnt_ns_info)

enum init_ns_ino {
IPC_NS_INIT_INO  = 0xEFFFFFFFU,
UTS_NS_INIT_INO  = 0xEFFFFFFEU,
USER_NS_INIT_INO = 0xEFFFFFFDU,
PID_NS_INIT_INO  = 0xEFFFFFFCU,
CGROUP_NS_INIT_INO = 0xEFFFFFFBU,
TIME_NS_INIT_INO = 0xEFFFFFFAU,
NET_NS_INIT_INO  = 0xEFFFFFF9U,
MNT_NS_INIT_INO  = 0xEFFFFFF8U,
};

#endif /* __LINUX_NSFS_H */

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