feat: add s2n_cleanup_thread #205

	name: seccomp
	on:
	pull_request:
	branches: [main]
	merge_group:
	types: [checks_requested]
	branches: [main]

	jobs:
	ubuntu:
	runs-on: ubuntu-latest
	steps:
	- name: install dependencies
	run: \|
	sudo apt update
	sudo apt install cmake
	# For default libcrypto
	sudo apt install libssl-dev
	# For seccomp
	sudo apt install libseccomp-dev
	# For aws-lc
	sudo apt install clang golang

	- name: checkout s2n-tls
	uses: actions/checkout@v4

	- name: checkout aws-lc
	uses: actions/checkout@v4
	with:
	repository: aws/aws-lc
	path: awslc

	- name: build awslc
	# See https://github.com/aws/aws-lc/blob/main/BUILDING.md#building
	working-directory: awslc
	run: \|
	cmake -B build
	make -C build
	cmake --install build --prefix install

	- name: seccomp with default libcrypto
	# TODO: There are still issues with openssl running with seccomp.
	# Disable for now.
	if: false
	run: \|
	cmake -Bbuild \
	-DSECCOMP=1 \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_INSTALL_PREFIX=install
	cmake --build build -j $(nproc)
	CTEST_PARALLEL_LEVEL=$(nproc) ctest --test-dir build
	cmake --install build
	./build/bin/s2nc localhost 8000 \| grep "libcrypto" \| grep -v "AWS-LC"
	rm -rf build

	- name: seccomp with aws-lc
	run: \|
	cmake -Bbuild \
	-DSECCOMP=1 \
	-DCMAKE_BUILD_TYPE=Release \
	-DCMAKE_PREFIX_PATH=awslc/install \
	-DCMAKE_INSTALL_PREFIX=install
	cmake --build build -j $(nproc)
	CTEST_PARALLEL_LEVEL=$(nproc) ctest --test-dir build
	cmake --install build
	./build/bin/s2nc localhost 8000 \| grep "libcrypto" \| grep "AWS-LC"
	rm -rf build

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