add docker cgroup

.github/workflows/cargo-clippy.yml

@@ -0,0 +1,20 @@
+name: Cargo Clippy
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Make clippy happy
+      run: cargo clippy

.github/workflows/cargo-test-linux.yml

@@ -14,9 +14,15 @@ jobs:
 
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        rust: [stable, beta, nightly]
+        target: [x86_64-unknown-linux-gnu, x86_64-unknown-linux-musl]
+
     steps:
     - uses: actions/checkout@v2
-    - name: Make clippy happy
-      run: cargo clippy
     - name: Run tests
-      run: cargo test --verbose
+      run: |
+        rustup default ${{ matrix.rust }}
+        rustup target add ${{ matrix.target }}
+        cargo test --verbose --target ${{ matrix.target }}

.github/workflows/cargo-test-macos.yml

@@ -14,9 +14,15 @@ jobs:
 
     runs-on: macos-latest
 
+    strategy:
+      matrix:
+        rust: [stable, beta, nightly]
+        target: [x86_64-apple-darwin, x86_64-apple-ios, aarch64-apple-darwin]
+
     steps:
     - uses: actions/checkout@v2
-    - name: Make clippy happy
-      run: cargo clippy
     - name: Run tests
-      run: cargo test --verbose
+      run: |
+        rustup default ${{ martix.rust }}
+        rustup target add ${{ matrix.target }}
+        cargo test --verbose --target ${{ matrix.target }}

.github/workflows/cargo-test-minimum-rust.yml

@@ -0,0 +1,28 @@
+name: Cargo Test Minimum Rust Version
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        rust: [1.13]
+        target: [x86_64-unknown-linux-gnu]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run tests
+      run: |
+        rustup default ${{ matrix.rust }}
+        rustup target add ${{ matrix.target }}
+        cargo test --verbose --target ${{ matrix.target }}

.github/workflows/cargo-test-windows.yml

@@ -14,9 +14,15 @@ jobs:
 
     runs-on: windows-latest
 
+    strategy:
+      matrix:
+        rust: [stable, beta, nightly]
+        target: [x86_64-pc-windows-gnu, x86_64-pc-windows-msvc]
+
     steps:
     - uses: actions/checkout@v2
-    - name: Make clippy happy
-      run: cargo clippy
     - name: Run tests
-      run: cargo test --verbose
+      run: |
+        rustup default ${{ matrix.rust }}
+        rustup target add ${{ matrix.target }}
+        cargo test --verbose --target ${{ matrix.target }}

.github/workflows/test-docker-cgroup.yml

@@ -0,0 +1,27 @@
+name: Test Docker Cgroup
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Test Cgroup
+      run: |
+        docker build -f ci/cgroups/Dockerfile -t num-cpus-cgroups .
+        # Test without cgroups
+        docker run -e NUM_CPUS_TEST_GET=2 num-cpus-cgroups
+        # Only 1 CPU
+        docker run --cpus="1" -e NUM_CPUS_TEST_GET=1 num-cpus-cgroups
+        # 1.5 CPUs
+        docker run --cpus="1.5" -e NUM_CPUS_TEST_GET=2 num-cpus-cgroups

ci/cgroups/Dockerfile

@@ -0,0 +1,9 @@
+FROM rust:latest
+
+WORKDIR /usr/num_cpus
+
+COPY . .
+
+RUN cargo build
+
+CMD [ "cargo", "test", "--lib" ]