Claude
58a2fe3046
Off by default; the default build stays libc-only. serde (payload contract) and postcard (payload codec) are optional, no default features. src/cluster.rs is an intentionally empty cfg-gated stub so the flag's default-build invariance is reviewable in isolation.
119 lines
3.2 KiB
TOML
119 lines
3.2 KiB
TOML
[package]
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name = "smarm"
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version = "0.6.1"
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edition = "2021"
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rust-version = "1.95"
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[lints.rust]
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unexpected_cfgs = { level = "warn", check-cfg = ["cfg(loom)"] }
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[lints.clippy]
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# Library code must never hide a panic behind unwrap/expect. Both are denied; an
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# intentional panic is written explicitly as `match { Err(e) => panic!(..) }`.
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# panic!/unreachable! are deliberately left un-linted as the blessed explicit
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# form. Enforced on the library target only (`cargo clippy --lib`); tests and
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# examples unwrap freely and are not gated.
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unwrap_used = "deny"
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expect_used = "deny"
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[features]
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default = ["rq-mutex"]
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smarm-trace = []
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# RFC 007: native causal profiling. Zero cost when off (cf. smarm-trace): the
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# hook in `maybe_preempt` and the resume-path fast-forward compile away; the
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# two Slot ledger fields exist regardless and stay 0 (budget_cycles precedent).
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smarm-causal = []
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# RFC 016 Chunk 2: cycle-accurate per-actor time-budget accounting. Off by
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# default — it costs two extra RDTSC reads per actor resume on the hot path
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# (D6). The `ActorInfo.budget_cycles` field exists regardless; it just stays 0
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# unless this is enabled.
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budget-accounting = []
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# RFC 016 Chunk 4: the live observer gen_server (src/observer.rs). Off by
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# default (DECISION D10) — the read primitive (Chunks 1–3) is always present
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# and unflagged; only the optional gen_server transport sits behind this, so a
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# release build pays nothing for an observer it never starts.
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observer = []
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# RFC 010 c1: clustering. Off by default — the default build stays libc-only,
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# byte-for-byte (gate checked per phase). serde is the payload contract,
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# postcard the payload codec; both minimal (no default features). Everything
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# cluster-shaped lives behind this flag.
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cluster = ["dep:serde", "dep:postcard"]
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# Run-queue selection: exactly one, compile-time (see src/run_queue.rs).
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# Non-default variants need --no-default-features (features are additive).
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rq-mutex = []
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rq-mpmc = []
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rq-striped = []
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[build-dependencies]
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cc = "1"
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[dependencies]
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libc = "0.2"
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# RFC 010 §2 — only compiled under `--features cluster`.
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serde = { version = "1", default-features = false, optional = true }
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postcard = { version = "1", default-features = false, optional = true }
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[target.'cfg(loom)'.dependencies]
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loom = "0.7"
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[dev-dependencies]
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libc = "0.2"
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tokio = { version = "1", features = ["rt", "rt-multi-thread", "macros", "sync", "time"] }
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[profile.dev]
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panic = "unwind"
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[profile.release]
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panic = "unwind"
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lto = "thin"
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codegen-units = 1
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[[bench]]
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name = "primes"
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harness = false
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[[bench]]
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name = "multi_scheduler"
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harness = false
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[[bench]]
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name = "general"
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harness = false
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[[bench]]
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name = "smarm_favored"
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harness = false
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[[bench]]
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name = "tokio_favored"
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harness = false
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[[bench]]
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name = "rq_micro"
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harness = false
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[[bench]]
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name = "rq_runtime"
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harness = false
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[[bench]]
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name = "switch_cost"
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harness = false
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# RFC 016 Chunk 4 — the live observer dump. Needs the optional gen_server.
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[[example]]
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name = "observer"
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required-features = ["observer"]
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[[example]]
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name = "causal_pipeline"
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required-features = ["smarm-causal"]
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[[example]]
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name = "causal_attrib_probe"
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required-features = ["smarm-causal"]
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[[example]]
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name = "causal_probe"
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required-features = ["smarm-causal"]
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