include/uapi/linux/nsfs.h

   1 #ifndef __LINUX_NSFS_H
   2 #define __LINUX_NSFS_H
   3
   4 #include <linux/ioctl.h>
   5
   6 #define NSIO    0xb7
   7
   8 /* Returns a file descriptor that refers to an owning user namespace */
   9 #define NS_GET_USERNS           _IO(NSIO, 0x1)
  10 /* Returns a file descriptor that refers to a parent namespace */
  11 #define NS_GET_PARENT           _IO(NSIO, 0x2)
  12 /* Returns the type of namespace (CLONE_NEW* value) referred to by
  13    file descriptor */
  14 #define NS_GET_NSTYPE           _IO(NSIO, 0x3)
  15 /* Get owner UID (in the caller's user namespace) for a user namespace */
  16 #define NS_GET_OWNER_UID        _IO(NSIO, 0x4)
  17
  18 #endif /* __LINUX_NSFS_H */