Struct swap::userfaultfd::Factory

pub struct Factory {
    dev_file: Option<File>,
}

Factory for Userfaultfd.

If /dev/userfaultfd (introduced from Linux 6.1) exists, creates userfaultfd from the dev file. Otherwise use userfaultfd(2) to create a userfaultfd.

Fields

dev_file: Option<File>

Implementations

impl Factory

pub fn new() -> Self

Create Factory and try open /dev/userfaultfd.

If it fails to open /dev/userfaultfd, userfaultfd creation fallback to userfaultfd(2) syscall.

pub fn create(&self) -> Result<Userfaultfd>

Creates a new Userfaultfd for this process.

pub fn try_clone(&self) -> Result<Self>

Create a new Factory object.

Trait Implementations

impl AsRawDescriptors for Factory

fn as_raw_descriptors(&self) -> Vec<RawDescriptor>

Returns the underlying raw descriptors.

impl Default for Factory

fn default() -> Self

Returns the “default value” for a type.