feat: eventfd_read/write for Android/FreeBSD/Linux

.cirrus.yml

@@ -29,9 +29,7 @@ task:
 task:
   name: nightly x86_64-unknown-freebsd-14
   freebsd_instance:
-    # FIXME: FreeBSD 14 CI fails due to pkg installation.
-    # Use 14 again once a new image is available on Cirrus CI.
-    image_family: freebsd-13-2
+    image: freebsd-14-0-rc1-amd64
   setup_script:
     - pkg install -y libnghttp2 curl
     - curl https://sh.rustup.rs -sSf --output rustup.sh

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/bors.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -49,7 +49,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run.sh
@@ -84,7 +84,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -106,7 +106,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Check style
@@ -136,13 +136,6 @@ jobs:
           asmjs-unknown-emscripten,
           i686-linux-android,
           i686-unknown-linux-musl,
-          mips-unknown-linux-gnu,
-          mips-unknown-linux-musl,
-          # FIXME: Somehow failed on CI
-          # https://github.com/rust-lang/libc/runs/1659882216
-          # mips64-unknown-linux-gnuabi64,
-          # mips64el-unknown-linux-gnuabi64,
-          mipsel-unknown-linux-musl,
           powerpc-unknown-linux-gnu,
           powerpc64-unknown-linux-gnu,
           powerpc64le-unknown-linux-gnu,
@@ -167,7 +160,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -195,7 +188,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TOOLCHAIN=nightly INSTALL_RUST_SRC=1 sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -214,7 +207,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -250,7 +243,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TOOLCHAIN=${{ matrix.toolchain }} sh ./ci/install-rust.sh
       - name: Execute build.sh
@@ -285,7 +278,7 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TOOLCHAIN=${{ matrix.target.toolchain }} sh ./ci/install-rust.sh
       - name: Execute build.sh
@@ -310,7 +303,7 @@ jobs:
           stable,
         ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -329,29 +322,11 @@ jobs:
       - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
         with:
           github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TOOLCHAIN=nightly sh ./ci/install-rust.sh
       - name: Build with check-cfg
-        run: LIBC_CI=1 LIBC_CHECK_CFG=1 cargo build -Z unstable-options -Z check-cfg=features,names,values,output
-
-  docs:
-    permissions:
-      actions: write # to cancel workflows (rust-lang/simpleinfra/github-actions/cancel-outdated-builds)
-      contents: read # to fetch code (actions/checkout)
-
-    name: Generate documentation
-    runs-on: ubuntu-22.04
-    needs: docker_linux_tier2
-    steps:
-      - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@HEAD
-        with:
-          github_token: "${{ secrets.GITHUB_TOKEN }}"
-      - uses: actions/checkout@v3
-      - name: Setup Rust toolchain
-        run: sh ./ci/install-rust.sh
-      - name: Generate documentation
-        run: LIBC_CI=1 sh ci/dox.sh
+        run: LIBC_CI=1 LIBC_CHECK_CFG=1 cargo build -Z unstable-options -Z check-cfg
 
   # These jobs doesn't actually test anything, but they're only used to tell
   # bors the build completed, as there is no practical way to detect when a
@@ -374,7 +349,6 @@ jobs:
       build_channels_linux,
       build_channels_macos,
       build_channels_windows,
-      docs,
     ]
 
     steps:
@@ -396,7 +370,6 @@ jobs:
       build_channels_linux,
       build_channels_macos,
       build_channels_windows,
-      docs,
     ]
 
     steps:

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
           x86_64-unknown-linux-gnu,
         ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run-docker.sh
@@ -38,7 +38,7 @@ jobs:
           x86_64-apple-darwin,
         ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: TARGET=${{ matrix.target }} sh ./ci/install-rust.sh
       - name: Execute run.sh
@@ -66,7 +66,7 @@ jobs:
           #    ARCH: i686
           - target: i686-pc-windows-msvc
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Self-update rustup
         run: rustup self update
         shell: bash
@@ -81,7 +81,7 @@ jobs:
     name: Style check
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Rust toolchain
         run: sh ./ci/install-rust.sh
       - name: Check style

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "libc"
-version = "0.2.148"
+version = "0.2.150"
 authors = ["The Rust Project Developers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"

README.md

@@ -60,7 +60,7 @@ newer Rust features are only available on newer Rust toolchains:
 
 ## Platform support
 
-[Platform-specific documentation (HEAD)][docs.head].
+You can see the platform(target)-specific docs on [docs.rs], select a platform you want to see.
 
 See
 [`ci/build.sh`](https://github.com/rust-lang/libc/blob/HEAD/ci/build.sh)
@@ -107,4 +107,3 @@ dual licensed as above, without any additional terms or conditions.
 [Documentation]: https://docs.rs/libc/badge.svg
 [docs.rs]: https://docs.rs/libc
 [License]: https://img.shields.io/crates/l/libc.svg
-[docs.head]: https://rust-lang.github.io/libc/#platform-specific-documentation

build.rs

@@ -59,15 +59,15 @@ fn main() {
         );
     }
 
-    // The ABI of libc used by libstd is backward compatible with FreeBSD 10.
+    // The ABI of libc used by std is backward compatible with FreeBSD 12.
     // The ABI of libc from crates.io is backward compatible with FreeBSD 11.
     //
     // On CI, we detect the actual FreeBSD version and match its ABI exactly,
     // running tests to ensure that the ABI is correct.
     match which_freebsd() {
-        Some(10) if libc_ci || rustc_dep_of_std => set_cfg("freebsd10"),
+        Some(10) if libc_ci => set_cfg("freebsd10"),
         Some(11) if libc_ci => set_cfg("freebsd11"),
-        Some(12) if libc_ci => set_cfg("freebsd12"),
+        Some(12) if libc_ci || rustc_dep_of_std => set_cfg("freebsd12"),
         Some(13) if libc_ci => set_cfg("freebsd13"),
         Some(14) if libc_ci => set_cfg("freebsd14"),
         Some(_) | None => set_cfg("freebsd11"),
@@ -167,11 +167,19 @@ fn main() {
     // https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg
     if libc_check_cfg {
         for cfg in ALLOWED_CFGS {
-            println!("cargo:rustc-check-cfg=values({})", cfg);
+            if rustc_minor_ver >= 75 {
+                println!("cargo:rustc-check-cfg=cfg({})", cfg);
+            } else {
+                println!("cargo:rustc-check-cfg=values({})", cfg);
+            }
         }
         for &(name, values) in CHECK_CFG_EXTRA {
             let values = values.join("\",\"");
-            println!("cargo:rustc-check-cfg=values({},\"{}\")", name, values);
+            if rustc_minor_ver >= 75 {
+                println!("cargo:rustc-check-cfg=cfg({},values(\"{}\"))", name, values);
+            } else {
+                println!("cargo:rustc-check-cfg=values({},\"{}\")", name, values);
+            }
         }
     }
 }

ci/android-install-ndk.sh

@@ -2,40 +2,10 @@
 
 set -ex
 
-NDK=android-ndk-r21d
-wget --tries=20 -q https://dl.google.com/android/repository/${NDK}-linux-x86_64.zip
-unzip -q ${NDK}-linux-x86_64.zip
+NDK=android-ndk-r26b
+wget --tries=20 -q https://dl.google.com/android/repository/${NDK}-linux.zip
+unzip -q ${NDK}-linux.zip
 
-case "$1" in
-  arm)
-    arch=arm
-    api=28
-    ;;
-  armv7)
-    arch=arm
-    api=28
-    ;;
-  aarch64)
-    arch=arm64
-    api=28
-    ;;
-  i686)
-    arch=x86
-    api=28
-    ;;
-  x86_64)
-    arch=x86_64
-    api=28
-    ;;
-  *)
-    echo "invalid arch: $1"
-    exit 1
-    ;;
-esac;
+mv ./${NDK}/toolchains/llvm/prebuilt/linux-x86_64 /android
 
-python3 ${NDK}/build/tools/make_standalone_toolchain.py \
-        --install-dir "/android/ndk-${1}" \
-        --arch "${arch}" \
-        --api ${api}
-
-rm -rf ./${NDK}-linux-x86_64.zip ./${NDK}
+rm -rf ./${NDK}-linux.zip ./${NDK}