NS_GET_NSTYPE(2const)                                    NS_GET_NSTYPE(2const)

NAME
       NS_GET_NSTYPE - discovering the namespace type

SYNOPSIS
       #include <linux/nsfs.h>  /* Definition of NS_GET_NSTYPE */
       #include <sys/ioctl.h>

       int ioctl(int fd, NS_GET_NSTYPE);

DESCRIPTION
       The NS_GET_NSTYPE operation can be used to discover the type of
       namespace referred to by the file descriptor fd.

       fd refers to a /proc/pid/ns/* file.

RETURN VALUE
       On success, the return value is one of the CLONE_NEW* values that can
       be specified to clone(2) or unshare(2) in order to create a namespace.

       On error, -1 is returned, and errno is set to indicate the error.

STANDARDS
       Linux.

HISTORY
       Linux 4.11.

SEE ALSO
       ioctl(2), ioctl_nsfs(2)

Linux man-pages 6.10              2024-06-13             NS_GET_NSTYPE(2const)