Struct TierSpinGap 

pub struct TierSpinGap { /* private fields */ }

One tier spin loop’s scheduled gap. Construct beside the loop, call TierSpinGap::after_spin at the bottom of every iteration.

let mut gap = TierSpinGap::new(tier.spin_period_us);
loop {
    let t0 = gap.mark();
    crt.spin_once(period);
    gap.after_spin(t0);
}

Implementations

impl TierSpinGap

pub const fn new(spin_period_us: u64) -> Self

pub fn mark(&self) -> u64

Timestamp for the start of an iteration.

pub fn after_spin(&mut self, iter_start_ns: u64)

Close out one iteration, sleeping if this one closed a window in which nothing blocked.

pub const fn gaps(&self) -> u64

How many gaps this loop has taken — for the tier heartbeat, so a busy image can say whether the guarantee is being exercised or is dead code.

Trait Implementations

impl Debug for TierSpinGap

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

Formats the value using the given formatter.