GC phase A single mutator
Platform spec ADR
GC phase A single mutator
Spec standingStandard
- Concurrency package - Contracts and edge cases Send, Receive, Join, Cancel, and Hub normative contracts.
- Concurrency package - Decisions record (legacy index) Migration index pointing to per-decision ADR files under adr/—normative text lives in ADRs, not this page.
- Concurrency package - Design model Package layout, module map, and thin-wrapper rule for Fiber and Channel structs.
- Concurrency package - Examples Illustrative spawn, Channel, and Hub usage (informative).
0 revisions (git unavailable at build; counts may be empty)
No commits recorded for this path.
| Section id | Required | Found |
|---|---|---|
what-this-feature-specifies | yes | yes |
implementation-anchors | yes | yes |
Full tree: run pnpm verify:platform-spec-layout (writes src/generated/platform-spec-layout-report.json).
Context
Section titled “Context”Parallel GC mutators require write barriers not ready for initial ship.
Decision
Section titled “Decision”| Phase | Rule |
|---|---|
| A (ship) | Many fibers, one GC mutator; gc_write_barrier no-op |
| B (documented) | Parallel mutators + real barriers; no corelib API break |
Consequences
Section titled “Consequences”Scheduler and memory specs must stay consistent with phase A barriers.
Verification anchors
Section titled “Verification anchors”Runtime GC tests; memory-and-gc-runtime-contract feature.