ioctl_nsfs - ioctl() operations for Linux namespaces

NAME  SYNOPSIS  DESCRIPTION  Discovering namespace relationships  Discovering the namespace type  Discovering the owner of a user namespace  ERRORS  STANDARDS  SEE ALSO 

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NAME

ioctl_nsfs − ioctl() operations for Linux namespaces

SYNOPSIS

#include <linux/nsfs.h> /* Definition of NS_* constants */
#include <sys/ioctl.h>

int ioctl(int fd, unsigned long op, ...);

DESCRIPTION

Discovering namespace relationships

NS_GET_USERNS(2const)
NS_GET_PARENT(2const)

Discovering the namespace type

NS_GET_NSTYPE(2const)

Discovering the owner of a user namespace

NS_GET_OWNER_UID(2const)

ERRORS

ENOTTY

fd does not refer to a /proc/pid/ns/* file.

STANDARDS

Linux.

SEE ALSO

ioctl(2), fstat(2), proc(5), namespaces(7)

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