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BackendShared

revmc_runtime::runtime

Struct BackendShared 

Source 
pub(crate) struct BackendShared {
    resident: DashMap<RuntimeCacheKey, Arc<CompiledProgram>, DefaultHashBuilder>,
    events: ArrayQueue<LookupRequest>,
    stats: RuntimeStats,
}
Expand description

State shared between JitBackend (via BackendInner) and the backend thread.

Held by the backend thread as Arc<BackendShared>. Crucially, the backend thread does NOT hold an Arc<BackendInner> — that would create a reference cycle since BackendInner::Drop is what signals the thread to stop. Keeping thread-lifecycle fields outside this struct lets BackendInner drop (and trigger shutdown) as soon as the last JitBackend clone is released.

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§resident: DashMap<RuntimeCacheKey, Arc<CompiledProgram>, DefaultHashBuilder>

Shared resident compiled map.

§events: ArrayQueue<LookupRequest>

Lock-free queue of events.

§stats: RuntimeStats

Shared stats counters.

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impl BackendShared

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pub(crate) fn stats(&self) -> RuntimeStatsSnapshot

Returns a point-in-time snapshot of runtime statistics.

command_queue_len is omitted because the command channel sender lives on BackendInner, not BackendShared.

Trait Implementations§

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impl Debug for BackendShared

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

Formats the value using the given formatter. Read more

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Size: 512 bytes