Struct Barrier 

pub struct Barrier(/* private fields */);

A collection of cursors that determine which sequence is available to a handle.

Every handle has a barrier, and no handle may overtake its barrier.

Implementations

impl Barrier

pub fn sequence(&self) -> i64

The position of the barrier.

Examples

use ansa::{Barrier, wait::WaitStrategy};

struct MyBusyWait;

// SAFETY: wait returns once barrier seq >= desired_seq, with barrier seq itself
unsafe impl WaitStrategy for MyBusyWait {
    fn wait(&self, desired_seq: i64, barrier: &Barrier) -> i64 {
        while barrier.sequence() < desired_seq {} // busy-spin
        barrier.sequence()
    }
}

Trait Implementations

impl Clone for Barrier

fn clone(&self) -> Barrier

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Barrier

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

Formats the value using the given formatter.

impl Drop for Barrier

fn drop(&mut self)

Executes the destructor for this type.