Struct SlotMeta 

#[repr(C)]
pub struct SlotMeta {
    pub generation: AtomicU32,
    pub state: AtomicU32,
}

Metadata for a single slot.

Fields

generation: AtomicU32

state: AtomicU32

Implementations

impl SlotMeta

pub fn init(&mut self)

Initialize a new slot metadata entry.

pub fn try_transition( &self, expected: SlotState, new: SlotState, ) -> Result<u32, SlotState>

Attempt to transition state.

Returns Ok(generation) on success, Err(actual_state) on failure.

pub fn check_generation(&self, expected: u32) -> bool

Check if the slot matches the expected generation.

pub fn generation(&self) -> u32

Read the current generation.

pub fn state(&self) -> SlotState

Read the current state.