Struct CountLatch

pub(crate) struct CountLatch {
    counter: AtomicUsize,
    kind: CountLatchKind,
}

Counting latches are used to implement scopes. They track a counter. Unlike other latches, calling set() does not necessarily make the latch be considered set(); instead, it just decrements the counter. The latch is only “set” (in the sense that probe() returns true) once the counter reaches zero.

Fields

counter: AtomicUsize

kind: CountLatchKind

Implementations

impl CountLatch

pub(crate) fn new(owner: Option<&WorkerThread>) -> Self

pub(crate) fn with_count(count: usize, owner: Option<&WorkerThread>) -> Self

pub(crate) fn increment(&self)

pub(crate) fn wait(&self, owner: Option<&WorkerThread>)

Trait Implementations

impl Debug for CountLatch

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

Formats the value using the given formatter.

impl Latch for CountLatch

unsafe fn set(this: *const Self)

Set the latch, signalling others.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 32 bytes