Cfg target has atomic v1.6.0

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ on:
 env:
   RUSTFLAGS: -Dwarnings
   RUST_BACKTRACE: 1
-  nightly: nightly-2021-04-13
+  nightly: nightly-2022-11-12
 
 defaults:
   run:
@@ -23,19 +23,19 @@ jobs:
     name: rustfmt
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Install Rust
-      run: rustup update stable && rustup default stable
+      run: rustup update stable
     - name: Check formatting
-      run: cargo fmt --all -- --check
+      run: cargo fmt --all --check
 
   # TODO
   # # Apply clippy lints
   # clippy:
   #   name: clippy
   #   runs-on: ubuntu-latest
   #   steps:
-  #   - uses: actions/checkout@v2
+  #   - uses: actions/checkout@v4
   #   - name: Apply clippy lints
   #     run: cargo clippy --all-features
 
@@ -48,11 +48,11 @@ jobs:
     name: minrust
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: Install Rust
-        run: rustup update 1.39.0 && rustup default 1.39.0
+      - uses: actions/checkout@v4
+      - name: Install cargo-hack
+        uses: taiki-e/install-action@cargo-hack
       - name: Check
-        run: . ci/test-stable.sh check
+        run: ci/test-stable.sh check
 
   # Stable
   stable:
@@ -65,23 +65,23 @@ jobs:
           - windows-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
         # --no-self-update is necessary because the windows environment cannot self-update rustup.exe.
-        run: rustup update stable --no-self-update && rustup default stable
+        run: rustup update stable --no-self-update
       - name: Test
-        run: . ci/test-stable.sh test
+        run: ci/test-stable.sh test
 
   # Nightly
   nightly:
     name: nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update $nightly && rustup default $nightly
       - name: Test
-        run: . ci/test-stable.sh test
+        run: ci/test-stable.sh test
 
   # Run tests on some extra platforms
   cross:
@@ -96,9 +96,9 @@ jobs:
           - wasm32-unknown-unknown
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
-        run: rustup update stable && rustup default stable
+        run: rustup update stable
       - name: cross build --target ${{ matrix.target }}
         run: |
           cargo install cross
@@ -111,23 +111,61 @@ jobs:
           cargo build --target ${{ matrix.target }}
         if: matrix.target == 'wasm32-unknown-unknown'
 
+  # Build for no_std environment.
+  no-std:
+    strategy:
+      fail-fast: false
+      matrix:
+        # thumbv7m-none-eabi supports atomic CAS.
+        # thumbv6m-none-eabi supports atomic, but not atomic CAS.
+        # riscv32i-unknown-none-elf does not support atomic at all.
+        target:
+          - thumbv7m-none-eabi
+          - thumbv6m-none-eabi
+          - riscv32i-unknown-none-elf
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Rust
+        run: rustup update stable
+      - name: Install cargo-hack
+        run: cargo install cargo-hack
+      - run: rustup target add ${{ matrix.target }}
+        # * --optional-deps is needed for serde feature
+        # * --no-dev-deps is needed to avoid https://github.com/rust-lang/cargo/issues/4866
+      - run: cargo hack build --target ${{ matrix.target }} --feature-powerset --skip std,default --optional-deps --no-dev-deps
+
+  # When this job failed, run ci/no_atomic_cas.sh and commit result changes.
+  # TODO(taiki-e): Ideally, this should be automated using a bot that creates
+  #                PR when failed, but there is no bandwidth to implement it
+  #                right now...
+  codegen:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Rust
+        run: rustup update nightly && rustup default nightly
+      - run: ci/no_atomic_cas.sh
+      - run: git diff --exit-code
+
   # Sanitizers
   tsan:
     name: tsan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update $nightly && rustup default $nightly
       - name: Install rust-src
         run: rustup component add rust-src
       - name: ASAN / TSAN
-        run: . ci/tsan.sh
+        run: ci/tsan.sh
+
   miri:
     name: miri
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Miri
         run: ci/miri.sh
 
@@ -136,7 +174,7 @@ jobs:
     name: loom
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
         run: rustup update $nightly && rustup default $nightly
       - name: Loom tests
@@ -155,9 +193,9 @@ jobs:
       - loom
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install Rust
-        run: rustup update stable && rustup default stable
+        run: rustup update $nightly && rustup default $nightly
       - name: Build documentation
         run: cargo doc --no-deps --all-features
         env:

CHANGELOG.md

@@ -1,3 +1,135 @@
+# 1.6.0 (March 22, 2024)
+
+### Added
+
+- Add `Bytes::is_unique` (#643)
+
+### Documented
+
+- Fix changelog typo (#628)
+- Fix some spelling mistakes (#633)
+- Typo fix (#637)
+- Fix broken links (#639)
+- Add security policy (#649)
+
+### Internal changes
+
+- Move comment to correct constant (#629)
+- Various cleanup (#635)
+- Simplify `UninitSlice::as_uninit_slice_mut()` logic (#644)
+- Use `self.` instead of `Self::` (#642)
+- `BytesMut`: Assert alignment of `Shared` (#652)
+- Remove unnecessary namespace qualifier (#660)
+- Remove an unnecessary else branch (#662)
+- Remove unreachable else branch (#661)
+- make parameter mut in `From<Vec>` (#667)
+- Restore commented tests (#665)
+- Use `sub` instead of `offset` (#668)
+- Calculate original capacity only if necessary (#666)
+- `set_vec_pos` does not need a second parameter (#672)
+- `get_vec_pos`: use `&self` instead of `&mut self` (#670)
+- Refactor `split_at`/`split_to` (#663)
+- Use `Iterator` from the prelude (#673)
+- `copy_to_bytes`: Add panic section to docs (#676)
+- Remove redundant reserve call (#674)
+- Use `ManuallyDrop` instead of `mem::forget` (#675)
+
+
+# 1.5.0 (September 7, 2023)
+
+### Added
+
+- Add `UninitSlice::{new,uninit}` (#598, #599)
+- Implement `BufMut` for `&mut [MaybeUninit<u8>]` (#597)
+
+### Changed
+
+- Mark `BytesMut::extend_from_slice` as inline (#595)
+
+# 1.4.0 (January 31, 2023)
+
+### Added
+
+- Make `IntoIter` constructor public (#581)
+
+### Fixed
+
+- Avoid large reallocations when freezing `BytesMut` (#592)
+
+### Documented
+
+- Document which functions require `std` (#591)
+- Fix duplicate "the the" typos (#585)
+
+# 1.3.0 (November 20, 2022)
+
+### Added
+
+- Rename and expose `BytesMut::spare_capacity_mut` (#572)
+- Implement native-endian get and put functions for `Buf` and `BufMut` (#576)
+
+### Fixed
+
+- Don't have important data in unused capacity when calling reserve (#563)
+
+### Documented
+
+- `Bytes::new` etc should return `Self` not `Bytes` (#568)
+
+# 1.2.1 (July 30, 2022)
+
+### Fixed
+
+- Fix unbounded memory growth when using `reserve` (#560)
+
+# 1.2.0 (July 19, 2022)
+
+### Added
+
+- Add `BytesMut::zeroed` (#517)
+- Implement `Extend<Bytes>` for `BytesMut` (#527)
+- Add conversion from `BytesMut` to `Vec<u8>` (#543, #554)
+- Add conversion from `Bytes` to `Vec<u8>` (#547)
+- Add `UninitSlice::as_uninit_slice_mut()` (#548)
+- Add const to `Bytes::{len,is_empty}` (#514)
+
+### Changed
+
+- Reuse vector in `BytesMut::reserve` (#539, #544)
+
+### Fixed
+
+- Make miri happy (#515, #523, #542, #545, #553)
+- Make tsan happy (#541)
+- Fix `remaining_mut()` on chain (#488)
+- Fix amortized asymptotics of `BytesMut` (#555)
+
+### Documented
+
+- Redraw layout diagram with box drawing characters (#539)
+- Clarify `BytesMut::unsplit` docs (#535)
+
+# 1.1.0 (August 25, 2021)
+
+### Added
+
+- `BufMut::put_bytes(self, val, cnt)` (#487)
+- Implement `From<Box<[u8]>>` for `Bytes` (#504)
+
+### Changed
+
+- Override `put_slice` for `&mut [u8]` (#483)
+- Panic on integer overflow in `Chain::remaining` (#482)
+- Add inline tags to `UninitSlice` methods (#443)
+- Override `copy_to_bytes` for Chain and Take (#481)
+- Keep capacity when unsplit on empty other buf (#502)
+
+### Documented
+
+- Clarify `BufMut` allocation guarantees (#501)
+- Clarify `BufMut::put_int` behavior (#486)
+- Clarify actions of `clear` and `truncate`. (#508)
+
 # 1.0.1 (January 11, 2021)
 
 ### Changed

Cargo.toml

@@ -3,8 +3,10 @@
 name = "bytes"
 # When releasing to crates.io:
 # - Update CHANGELOG.md.
-# - Create "v1.0.x" git tag.
-version = "1.0.1"
+# - Create "v1.x.y" git tag.
+version = "1.6.0"
+edition = "2018"
+rust-version = "1.39"
 license = "MIT"
 authors = [
     "Carl Lerche <[email protected]>",
@@ -15,20 +17,20 @@ repository = "https://github.com/tokio-rs/bytes"
 readme = "README.md"
 keywords = ["buffers", "zero-copy", "io"]
 categories = ["network-programming", "data-structures"]
-edition = "2018"
 
 [features]
 default = ["std"]
 std = []
 
 [dependencies]
 serde = { version = "1.0.60", optional = true, default-features = false, features = ["alloc"] }
+portable-atomic = { version = "1.6.0", default-features = false }
 
 [dev-dependencies]
 serde_test = "1.0"
 
 [target.'cfg(loom)'.dev-dependencies]
-loom = "0.5"
+loom = "0.7"
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "docsrs"]