pub struct InboundGate { /* private fields */ }governor only.Expand description
Edge-detecting inbound gate over a UnifiedPressure latch.
Wraps the recv/ingest side of a stage. Each
evaluate consults the latch and drives the
GateActuator once per transition. See the
module docs for the full contract.
Implementations§
Source§impl InboundGate
impl InboundGate
Sourcepub fn new(
pressure: Arc<UnifiedPressure>,
actuator: Box<dyn GateActuator>,
) -> Self
pub fn new( pressure: Arc<UnifiedPressure>, actuator: Box<dyn GateActuator>, ) -> Self
Build a gate over a shared pressure latch and an actuator.
The gate starts in the released (open) state; the first
evaluate under pressure will fire pause().
Sourcepub fn evaluate(&self) -> Admit
pub fn evaluate(&self) -> Admit
Sample the latch and drive the actuator on a transition.
Computes should_hold from the
pressure, then uses a compare_exchange on the edge flag so:
- false->true (rising edge):
compare_exchange(false, true)succeeds exactly once -> callpause(). - true->false (falling edge):
compare_exchange(true, false)succeeds exactly once -> callresume(). - no change:
compare_exchangefails -> no actuator call.
Returns Admit::Hold when held, Admit::Yes otherwise. Never
touches the outbound side.
Auto Trait Implementations§
impl !Freeze for InboundGate
impl !RefUnwindSafe for InboundGate
impl !UnwindSafe for InboundGate
impl Send for InboundGate
impl Sync for InboundGate
impl Unpin for InboundGate
impl UnsafeUnpin for InboundGate
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