Struct memfd::MemfdOptions

pub struct MemfdOptions { /* private fields */ }

A Memfd builder, providing advanced options and flags for specifying its behavior.

Implementations

impl MemfdOptions

pub fn new() -> Self

Default set of options for Memfd creation.

The default options are:

• FileSeal::SealSeal (i.e. no further sealing);
• close-on-exec is disabled;
• hugetlb is disabled.

pub fn allow_sealing(self, value: bool) -> Self

Whether to allow adding seals to the created Memfd.

pub fn close_on_exec(self, value: bool) -> Self

Whether to set the FD_CLOEXEC flag on the created Memfd.

pub fn hugetlb(self, size: Option<HugetlbSize>) -> Self

Optional hugetlb support and page size for the created Memfd.

pub fn create<T: AsRef<str>>(&self, name: T) -> Result<Memfd, Error>

Create a Memfd according to configuration.

Trait Implementations

impl Clone for MemfdOptions

fn clone(&self) -> MemfdOptions

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MemfdOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MemfdOptions

fn default() -> Self

Returns the “default value” for a type.