Run TSAN in CI (#144) #2

	name: Sanitizers

	on:
	push:
	branches: [main]
	paths-ignore:
	- "*.md"
	pull_request:
	branches: ["*"]
	paths-ignore:
	- "*.md"
	workflow_dispatch: # allows you to trigger manually

	# When this workflow is queued, automatically cancel any previous running
	# or pending jobs from the same branch
	concurrency:
	group: tsan-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	TSAN:
	runs-on: ubuntu-latest
	container:
	image: ghcr.io/nascheme/numpy-tsan:3.14t

	steps:
	- name: Check out repo
	uses: actions/checkout@v6

	- name: Install build dependencies
	run: python -m pip install -U build pip setuptools wheel cython

	- name: Build wheel
	run: \|
	# See setup.py for special handling in flame-blis modules
	export CFLAGS="$CFLAGS -fsanitize=thread"
	# Build without isolation to use TSAN-enabled NumPy from the container
	python -m build --wheel --no-isolation

	- name: Install wheel
	run: python -m pip install dist/*.whl

	- name: Delete source directory
	run: rm -rf blis

	- name: Test import
	run: python -c "import blis" -Werror

	- name: Install test requirements
	run: python -m pip install -r requirements.txt

	- name: Run pytest-run-parallel
	env:
	# Reference: https://github.com/google/sanitizers/wiki/ThreadSanitizerFlags
	TSAN_OPTIONS: "halt_on_error=0 suppressions=tsan_suppressions.txt"
	run: pytest -s --parallel-threads 4

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