AtomicCell: Use atomic-maybe-uninit

crossbeam-rs · Aug 15, 2023 · f6c99b8 · f6c99b8
1 parent 03d68a2
commit f6c99b8
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Showing 23 changed files with 395 additions and 231 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -40,9 +40,9 @@ jobs:
       matrix:
         # aarch64/x86_64 macOS and aarch64 Linux are tested on Cirrus CI
         include:
-          - rust: '1.38'
+          - rust: '1.59'
             os: ubuntu-latest
-          - rust: '1.38'
+          - rust: '1.59'
             os: windows-latest
           - rust: stable
             os: ubuntu-latest
@@ -83,7 +83,7 @@ jobs:
       fail-fast: false
       matrix:
         rust:
-          - '1.38'
+          - '1.59'
           - nightly
     runs-on: ubuntu-latest
     steps:

diff --git a/Cargo.toml b/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam"
 # - Create "crossbeam-X.Y.Z" git tag
 version = "0.8.2"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam"

diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam#license)
 https://crates.io/crates/crossbeam)
 [![Documentation](https://docs.rs/crossbeam/badge.svg)](
 https://docs.rs/crossbeam)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -94,7 +94,7 @@ crossbeam = "0.8"
 
 Crossbeam supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## Contributing
 

diff --git a/crossbeam-channel/Cargo.toml b/crossbeam-channel/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-channel"
 # - Create "crossbeam-channel-X.Y.Z" git tag
 version = "0.5.8"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel"

diff --git a/crossbeam-channel/README.md b/crossbeam-channel/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-channel#license)
 https://crates.io/crates/crossbeam-channel)
 [![Documentation](https://docs.rs/crossbeam-channel/badge.svg)](
 https://docs.rs/crossbeam-channel)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -48,7 +48,7 @@ crossbeam-channel = "0.5"
 
 Crossbeam Channel supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-channel/examples/stopwatch.rs b/crossbeam-channel/examples/stopwatch.rs
@@ -18,7 +18,7 @@ fn main() {
     // Creates a channel that gets a message every time `SIGINT` is signalled.
     fn sigint_notifier() -> io::Result<Receiver<()>> {
         let (s, r) = bounded(100);
-        let mut signals = Signals::new(&[SIGINT])?;
+        let mut signals = Signals::new([SIGINT])?;
 
         thread::spawn(move || {
             for _ in signals.forever() {

diff --git a/crossbeam-channel/src/lib.rs b/crossbeam-channel/src/lib.rs
@@ -335,6 +335,7 @@
     unreachable_pub
 )]
 #![cfg_attr(not(feature = "std"), no_std)]
+#![allow(clippy::match_like_matches_macro)]
 
 use cfg_if::cfg_if;
 

diff --git a/crossbeam-channel/src/select.rs b/crossbeam-channel/src/select.rs
@@ -79,10 +79,10 @@ impl From<usize> for Selected {
     }
 }
 
-impl Into<usize> for Selected {
+impl From<Selected> for usize {
     #[inline]
-    fn into(self) -> usize {
-        match self {
+    fn from(val: Selected) -> Self {
+        match val {
             Selected::Waiting => 0,
             Selected::Aborted => 1,
             Selected::Disconnected => 2,

diff --git a/crossbeam-deque/Cargo.toml b/crossbeam-deque/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-deque"
 # - Create "crossbeam-deque-X.Y.Z" git tag
 version = "0.8.3"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-deque"

diff --git a/crossbeam-deque/README.md b/crossbeam-deque/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-deque#license)
 https://crates.io/crates/crossbeam-deque)
 [![Documentation](https://docs.rs/crossbeam-deque/badge.svg)](
 https://docs.rs/crossbeam-deque)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -28,7 +28,7 @@ crossbeam-deque = "0.8"
 
 Crossbeam Deque supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-deque/src/lib.rs b/crossbeam-deque/src/lib.rs
@@ -96,6 +96,7 @@
     unreachable_pub
 )]
 #![cfg_attr(not(feature = "std"), no_std)]
+#![allow(clippy::match_like_matches_macro)]
 
 use cfg_if::cfg_if;
 

diff --git a/crossbeam-epoch/Cargo.toml b/crossbeam-epoch/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-epoch"
 # - Create "crossbeam-epoch-X.Y.Z" git tag
 version = "0.9.15"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch"

diff --git a/crossbeam-epoch/README.md b/crossbeam-epoch/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch#license)
 https://crates.io/crates/crossbeam-epoch)
 [![Documentation](https://docs.rs/crossbeam-epoch/badge.svg)](
 https://docs.rs/crossbeam-epoch)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -35,7 +35,7 @@ crossbeam-epoch = "0.9"
 
 Crossbeam Epoch supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-queue/Cargo.toml b/crossbeam-queue/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-queue"
 # - Create "crossbeam-queue-X.Y.Z" git tag
 version = "0.3.8"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-queue"

diff --git a/crossbeam-queue/README.md b/crossbeam-queue/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-queue#license)
 https://crates.io/crates/crossbeam-queue)
 [![Documentation](https://docs.rs/crossbeam-queue/badge.svg)](
 https://docs.rs/crossbeam-queue)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -36,7 +36,7 @@ crossbeam-queue = "0.3"
 
 Crossbeam Queue supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-skiplist/Cargo.toml b/crossbeam-skiplist/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-skiplist"
 # - Create "crossbeam-skiplist-X.Y.Z" git tag
 version = "0.1.1"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-skiplist"

diff --git a/crossbeam-skiplist/README.md b/crossbeam-skiplist/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-skiplist#license
 https://crates.io/crates/crossbeam-skiplist)
 [![Documentation](https://docs.rs/crossbeam-skiplist/badge.svg)](
 https://docs.rs/crossbeam-skiplist)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -34,7 +34,7 @@ crossbeam-skiplist = "0.1"
 
 Crossbeam Skiplist supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-utils/Cargo.toml b/crossbeam-utils/Cargo.toml
@@ -6,7 +6,7 @@ name = "crossbeam-utils"
 # - Create "crossbeam-utils-X.Y.Z" git tag
 version = "0.8.16"
 edition = "2018"
-rust-version = "1.38"
+rust-version = "1.59"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils"
@@ -22,6 +22,7 @@ default = ["std"]
 std = []
 
 [dependencies]
+atomic-maybe-uninit = "0.2.22"
 cfg-if = "1"
 
 # Enable the use of loom for concurrency testing.

diff --git a/crossbeam-utils/README.md b/crossbeam-utils/README.md
@@ -8,7 +8,7 @@ https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils#license)
 https://crates.io/crates/crossbeam-utils)
 [![Documentation](https://docs.rs/crossbeam-utils/badge.svg)](
 https://docs.rs/crossbeam-utils)
-[![Rust 1.38+](https://img.shields.io/badge/rust-1.38+-lightgray.svg)](
+[![Rust 1.59+](https://img.shields.io/badge/rust-1.59+-lightgray.svg)](
 https://www.rust-lang.org)
 [![chat](https://img.shields.io/discord/569610676205781012.svg?logo=discord)](https://discord.com/invite/JXYwgWZ)
 
@@ -55,7 +55,7 @@ crossbeam-utils = "0.8"
 
 Crossbeam Utils supports stable Rust releases going back at least six months,
 and every time the minimum supported Rust version is increased, a new minor
-version is released. Currently, the minimum supported Rust version is 1.38.
+version is released. Currently, the minimum supported Rust version is 1.59.
 
 ## License
 

diff --git a/crossbeam-utils/build.rs b/crossbeam-utils/build.rs
@@ -64,4 +64,7 @@ fn main() {
     if sanitize.contains("thread") {
         println!("cargo:rustc-cfg=crossbeam_sanitize_thread");
     }
+    if !sanitize.is_empty() {
+        println!("cargo:rustc-cfg=crossbeam_atomic_cell_force_fallback");
+    }
 }