152 lines
4.8 KiB
Diff
152 lines
4.8 KiB
Diff
commit e038bc231ad881a82fcec028ed307f8d007d8ae5
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Author: Daniel Kolesa <daniel@octaforge.org>
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Date: Wed Mar 10 22:31:07 2021 +0100
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fix on ppc32 (missing atomic64)
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see https://github.com/salsa-rs/salsa/commit/9c7ac99
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diff --git salsa/src/revision.rs salsa/src/revision.rs
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index ca7bb10..a18b581 100644
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--- a/salsa/src/revision.rs
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+++ b/salsa/src/revision.rs
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@@ -1,9 +1,9 @@
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-use std::num::NonZeroU64;
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-use std::sync::atomic::{AtomicU64, Ordering};
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+use std::num::NonZeroUsize;
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+use std::sync::atomic::{AtomicUsize, Ordering};
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/// Value of the initial revision, as a u64. We don't use 0
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-/// because we want to use a `NonZeroU64`.
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-const START_U64: u64 = 1;
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+/// because we want to use a `NonZeroUsize`.
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+const START: usize = 1;
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/// A unique identifier for the current version of the database; each
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/// time an input is changed, the revision number is incremented.
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@@ -12,17 +12,17 @@ const START_U64: u64 = 1;
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/// directly as a user of salsa.
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#[derive(Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
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pub struct Revision {
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- generation: NonZeroU64,
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+ generation: NonZeroUsize,
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}
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impl Revision {
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pub(crate) fn start() -> Self {
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- Self::from(START_U64)
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+ Self::from(START)
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}
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- pub(crate) fn from(g: u64) -> Self {
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+ pub(crate) fn from(g: usize) -> Self {
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Self {
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- generation: NonZeroU64::new(g).unwrap(),
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+ generation: NonZeroUsize::new(g).unwrap(),
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}
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}
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@@ -30,7 +30,7 @@ impl Revision {
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Self::from(self.generation.get() + 1)
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}
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- fn as_u64(self) -> u64 {
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+ fn as_usize(self) -> usize {
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self.generation.get()
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}
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}
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@@ -43,13 +43,13 @@ impl std::fmt::Debug for Revision {
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#[derive(Debug)]
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pub(crate) struct AtomicRevision {
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- data: AtomicU64,
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+ data: AtomicUsize,
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}
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impl AtomicRevision {
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pub(crate) fn start() -> Self {
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Self {
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- data: AtomicU64::new(START_U64),
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+ data: AtomicUsize::new(START),
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}
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}
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@@ -58,13 +58,13 @@ impl AtomicRevision {
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}
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pub(crate) fn store(&self, r: Revision) {
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- self.data.store(r.as_u64(), Ordering::SeqCst);
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+ self.data.store(r.as_usize(), Ordering::SeqCst);
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}
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/// Increment by 1, returning previous value.
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pub(crate) fn fetch_then_increment(&self) -> Revision {
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let v = self.data.fetch_add(1, Ordering::SeqCst);
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- assert!(v != u64::max_value(), "revision overflow");
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+ assert!(v != usize::max_value(), "revision overflow");
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Revision::from(v)
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}
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}
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diff --git salsa/src/runtime.rs salsa/src/runtime.rs
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index 181a5ea..ada5fec 100644
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--- a/salsa/src/runtime.rs
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+++ b/salsa/src/runtime.rs
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@@ -10,7 +10,7 @@ use parking_lot::{Mutex, RwLock};
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use rustc_hash::{FxHashMap, FxHasher};
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use smallvec::SmallVec;
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use std::hash::{BuildHasherDefault, Hash};
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-use std::sync::atomic::{AtomicU64, Ordering};
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+use std::sync::atomic::{AtomicUsize, Ordering};
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use std::sync::Arc;
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pub(crate) type FxIndexSet<K> = indexmap::IndexSet<K, BuildHasherDefault<FxHasher>>;
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@@ -558,14 +558,14 @@ struct SharedState<DB: Database> {
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storage: DB::DatabaseStorage,
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/// Stores the next id to use for a snapshotted runtime (starts at 1).
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- next_id: AtomicU64,
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+ next_id: AtomicUsize,
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/// Whenever derived queries are executing, they acquire this lock
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/// in read mode. Mutating inputs (and thus creating a new
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/// revision) requires a write lock (thus guaranteeing that no
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/// derived queries are in progress). Note that this is not needed
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/// to prevent **race conditions** -- the revision counter itself
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- /// is stored in an `AtomicU64` so it can be cheaply read
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+ /// is stored in an `AtomicUsize` so it can be cheaply read
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/// without acquiring the lock. Rather, the `query_lock` is used
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/// to ensure a higher-level consistency property.
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query_lock: RwLock<()>,
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@@ -594,7 +594,7 @@ struct SharedState<DB: Database> {
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impl<DB: Database> SharedState<DB> {
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fn with_durabilities(durabilities: usize) -> Self {
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SharedState {
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- next_id: AtomicU64::new(1),
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+ next_id: AtomicUsize::new(1),
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storage: Default::default(),
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query_lock: Default::default(),
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revisions: (0..durabilities).map(|_| AtomicRevision::start()).collect(),
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@@ -715,7 +715,7 @@ impl<DB: Database> ActiveQuery<DB> {
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/// complete, its `RuntimeId` may potentially be re-used.
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#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
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pub struct RuntimeId {
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- counter: u64,
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+ counter: usize,
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}
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#[derive(Clone, Debug)]
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diff --git Cargo.toml Cargo.toml
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index 0847f06..7c4bb9a 100644
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--- a/Cargo.toml
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+++ b/Cargo.toml
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@@ -106,6 +106,9 @@ lalrpop = { version = "0.18", optional = true }
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[profile.release]
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lto = true
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+[patch.crates-io]
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+salsa = { path = './salsa' }
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+
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[[bench]]
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name = "bench_main"
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harness = false
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