Struct base::sys::linux::shm::MemfdSeals

pub struct MemfdSeals(i32);

A set of memfd seals.

An enumeration of each bit can be found at fcntl(2).

Tuple Fields

0: i32

Implementations

impl MemfdSeals

pub fn new() -> MemfdSeals

Returns an empty set of memfd seals.

pub fn bitmask(self) -> i32

Gets the raw bitmask of seals enumerated in fcntl(2).

pub fn grow_seal(self) -> bool

True if the grow seal bit is present.

pub fn set_grow_seal(&mut self)

Sets the grow seal bit.

pub fn shrink_seal(self) -> bool

True if the shrink seal bit is present.

pub fn set_shrink_seal(&mut self)

Sets the shrink seal bit.

pub fn write_seal(self) -> bool

True if the write seal bit is present.

pub fn set_write_seal(&mut self)

Sets the write seal bit.

pub fn future_write_seal(self) -> bool

True if the future write seal bit is present.

pub fn set_future_write_seal(&mut self)

Sets the future write seal bit.

pub fn seal_seal(self) -> bool

True of the seal seal bit is present.

pub fn set_seal_seal(&mut self)

Sets the seal seal bit.

Trait Implementations

impl Clone for MemfdSeals

fn clone(&self) -> MemfdSeals

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Default for MemfdSeals

fn default() -> MemfdSeals

Returns the “default value” for a type.

impl Copy for MemfdSeals