ci.yml

name: C++ CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

permissions:
  contents: read

concurrency:
  group: ci-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  address-and-undefined-sanitizers:
    runs-on: ubuntu-latest
    env:
      ASAN_OPTIONS: detect_leaks=1
    steps:
      - name: Checkout code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Install build tools
        run: |
          sudo apt-get update
          sudo apt-get install -y g++-14 make clang-format libtbb-dev

      - name: Run all checks
        run: make check SANITIZERS="address undefined"

  thread-sanitizer:
    runs-on: ubuntu-latest
    env:
      TBB_SOURCE_COMMIT: 8b829acc65569019edb896c5150d427f288e8aba
    steps:
      - name: Checkout code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Install build tools
        run: |
          sudo apt-get update
          sudo apt-get install -y g++-14 make cmake ninja-build git

      - name: Build ThreadSanitizer-aware oneTBB
        run: |
          tbb_install_prefix="${RUNNER_TEMP}/oneTBB-tsan"
          git init "${RUNNER_TEMP}/oneTBB-source"
          git -C "${RUNNER_TEMP}/oneTBB-source" remote add origin https://github.com/uxlfoundation/oneTBB.git
          git -C "${RUNNER_TEMP}/oneTBB-source" fetch --depth=1 origin "${TBB_SOURCE_COMMIT}"
          git -C "${RUNNER_TEMP}/oneTBB-source" checkout --detach FETCH_HEAD
          cmake \
            -S "${RUNNER_TEMP}/oneTBB-source" \
            -B "${RUNNER_TEMP}/oneTBB-build" \
            -G Ninja \
            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
            -DCMAKE_C_COMPILER=gcc-14 \
            -DCMAKE_CXX_COMPILER=g++-14 \
            -DCMAKE_INSTALL_PREFIX="${tbb_install_prefix}" \
            -DCMAKE_INSTALL_LIBDIR=lib \
            -DTBB_ENABLE_IPO=OFF \
            -DTBBMALLOC_BUILD=OFF \
            -DTBB_SANITIZE=thread \
            -DTBB_STRICT=OFF \
            -DTBB_TEST=OFF
          cmake --build "${RUNNER_TEMP}/oneTBB-build" --target install --parallel
          echo "TBB_INSTALL_PREFIX=${tbb_install_prefix}" >> "${GITHUB_ENV}"
          echo "CPLUS_INCLUDE_PATH=${tbb_install_prefix}/include" >> "${GITHUB_ENV}"
          echo "LIBRARY_PATH=${tbb_install_prefix}/lib" >> "${GITHUB_ENV}"
          echo "LD_LIBRARY_PATH=${tbb_install_prefix}/lib" >> "${GITHUB_ENV}"

      - name: Build with ThreadSanitizer
        run: make SANITIZE=thread build

      - name: Verify instrumented oneTBB linkage
        run: ldd parallel-transform/parallel-transform | grep -F "${TBB_INSTALL_PREFIX}/lib/libtbb.so"

      - name: Run with ThreadSanitizer
        run: make SANITIZE=thread test

  coverage:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Install coverage tools
        run: |
          sudo apt-get update
          sudo apt-get install -y g++-14 make gcovr jq libtbb-dev

      - name: Generate coverage report
        run: make coverage COVERAGE_MIN=0 COVERAGE_FUNCTION_MIN=0 COVERAGE_BRANCH_MIN=0

      - name: Upload coverage report
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: coverage-report
          path: coverage/
          retention-days: 14

      - name: Enforce coverage thresholds
        run: |
          jq --exit-status \
            '.line_percent >= 80 and .function_percent >= 80 and .branch_percent >= 70' \
            coverage/summary.json