Struct QuiescentRegion 

pub struct QuiescentRegion { /* private fields */ }

Quiescent owner of an anonymous, page-rounded, writable memfd mapping.

Implementations

impl QuiescentRegion

pub fn new(logical_len: usize) -> Result<Self, LinuxError>

Allocates and zeroes an anonymous sealable memfd mapping.

pub const fn len(&self) -> usize

Exact page-rounded capability length.

pub const fn is_empty(&self) -> bool

Returns whether the capability is empty (always false for valid values).

pub const fn logical_len(&self) -> usize

Requested logical layout length.

pub fn as_bytes(&self) -> &[u8]

Quiescent initialization bytes covering the full capability.

pub fn as_bytes_mut(&mut self) -> &mut [u8]

Mutable quiescent initialization bytes covering the full capability.

pub fn prepare_writer( self, expected: ValidationExpectations, topology: RegionSetLayout, ) -> Result<PreparedWriter, LinuxError>

Validates, seals, and prepares the sole writer plus export capability.