cpython/.github/workflows/reusable-tsan.yml

on:
  workflow_call:
    inputs:
      config_hash:
        required: true
        type: string
      options:
        required: true
        type: string
      suppressions_path:
        description: 'A repo relative path to the suppressions file'
        required: true
        type: string

jobs:
  build_tsan_reusable:
    name: 'Thread sanitizer'
    runs-on: ubuntu-22.04
    timeout-minutes: 60
    steps:
    - uses: actions/checkout@v4
    - name: Runner image version
      run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
    - name: Restore config.cache
      uses: actions/cache@v4
      with:
        path: config.cache
        key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
    - name: Install Dependencies
      run: |
        sudo ./.github/workflows/posix-deps-apt.sh
        sudo apt install -y clang
        # Reduce ASLR to avoid TSAN crashing
        sudo sysctl -w vm.mmap_rnd_bits=28
    - name: TSAN Option Setup
      run: |
        echo "TSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/${{ inputs.suppressions_path }}" >> $GITHUB_ENV
        echo "CC=clang" >> $GITHUB_ENV
        echo "CXX=clang++" >> $GITHUB_ENV
    - name: Add ccache to PATH
      run: |
        echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
    - name: Configure ccache action
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        save: ${{ github.event_name == 'push' }}
        max-size: "200M"
    - name: Configure CPython
      run: ${{ inputs.options }}
    - name: Build CPython
      run: make -j4
    - name: Display build info
      run: make pythoninfo
    - name: Tests
      run: ./python -m test --tsan -j4