Use a unique tracker index per resource instead of the ID in trackers #5244
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This PR contains #5242 |
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cwfitzgerald
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This was referenced Jul 2, 2024
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Connections
Fixes #5217
Fixes #4912
Required for fixing #5141
An important step towards #5120
Description
Before this PR, trackers use the ID's index to manage per-resource information. This gets in the way of a lot of things (see linked issues). This PR adds a per-resource tracker index that is independent from the resource ID. Separating the two concepts lets us handle deduplicated IDs which point to the same resource and is an important step towards removing the IDs in favor of exposing the Arcs.
This PR also lets IDs be recycled as soon as their user-facing handle is dropped, which fixes the de-duplicated resource leaks and will allow Gecko to fix the recycling of handles.
Checklist
cargo fmt.cargo clippy.cargo xtask testto run tests.CHANGELOG.md. See simple instructions inside file.