Struct SleepSchedule

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struct SleepSchedule {
    core: MockTimeCore,
    sleepers: BinaryHeap<SleepEntry>,
    waitfor_waker: Option<Waker>,
    sleepers_made: usize,
    sleepers_polled: usize,
    should_advance: bool,
    blocked_advance: HashSet<String>,
    allowed_advance: Duration,
}
Expand description

Shared backend for sleep provider and Sleeping futures.

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§core: MockTimeCore

What time do we pretend it is?

§sleepers: BinaryHeap<SleepEntry>

Priority queue of events, in the order that we should wake them.

§waitfor_waker: Option<Waker>

If the mock time system is being driven by a WaitFor, holds a Waker to wake up that WaitFor in order for it to make more progress.

§sleepers_made: usize

Number of sleepers instantiated.

§sleepers_polled: usize

Number of sleepers polled.

§should_advance: bool

Whether an advance is needed.

§blocked_advance: HashSet<String>

A set of reasons why advances shouldn’t be allowed right now.

§allowed_advance: Duration

A time up to which advances are allowed, irrespective of them being blocked.

Implementations§

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impl SleepSchedule

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fn fire(&mut self)

Wake any pending events that are ready according to the current simulated time.

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fn push(&mut self, ent: SleepEntry)

Add a new SleepEntry to this schedule.

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fn maybe_advance(&mut self)

If all sleepers made have been polled, set the advance flag and wake up any WaitFor that might be waiting.

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fn increment_poll_count(&mut self)

Register a sleeper as having been polled, and advance if necessary.

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