Module tracing 

This module contains code useful for tracing, i.e. visiting the reachable objects by traversing all or part of an object graph.

Modules

gc_work 🔒

Structs

PlanTrace

A Trace implementation that dispatches the trace_object method through PlanTraceObject::trace_object. It is applicable to all plans that implement PlanTraceObject.

SFTTrace

A Trace implementation that dispatches the trace_object method through crate::policy::sft::SFT::sft_trace_object using the Space Function Table (SFT).

SlotIterator 🔒

For iterating over the slots of an object.

UnsupportedTrace

A placeholder for unsupported traces. For example, it can be used for crate::scheduler::GCWorkContext::PinningTrace for plans that don’t support object pinning.

VectorQueue

An implementation of ObjectQueue using a Vec.

Traits

ObjectQueue

This trait represents an object queue to enqueue objects during tracing.

Trace

This trait provides methods used during a trace. The most important method is Self::trace_object which provides the way to trace an object during the current trace. Many work packets depend on this trait to trace objects.

Type Aliases

OptionObjectQueue

A one-element object queue backed by an Option<ObjectReference>. Used by SFT to decouple the concrete ObjectQueue type from the dynamic dispatching.

SlotOfTrace

A shorthand for getting the slot type from a Trace instance.

VectorObjectQueue

A vector queue for object references.