Enum PidFdGetNamespace 

#[non_exhaustive]
pub enum PidFdGetNamespace {
    Cgroup,
    Ipc,
    Mnt,
    Net,
    Pid,
    PidForChildren,
    Time,
    TimeForChildren,
    User,
    Uts,
}

Linux namespace types that can be queried from a pidfd.

Used with PidFdExt::get_namespace to obtain a file descriptor to a specific namespace of a process.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Cgroup

Control group namespace

Ipc

IPC namespace (System V IPC, POSIX message queues)

Mnt

Mount namespace (filesystem mount points)

Net

Network namespace (network devices, stacks, ports, etc.)

Pid

PID namespace

PidForChildren

PID namespace for child processes

Time

Time namespace

TimeForChildren

Time namespace for child processes

User

User namespace (user and group IDs)

Uts

UTS namespace (hostname and NIS domain name)