darwin: make TCP_KEEPINTVL and TCP_KEEPCNT available (#3908) #1

	name: Sanitizer checks

	on:
	pull_request:
	paths:
	- '**'
	- '!docs/**'
	- '!.**'
	- '.github/workflows/sanitizer.yml'
	push:
	branches:
	- v[0-9].*
	- master

	jobs:
	sanitizers:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v2
	- name: Setup
	run: \|
	sudo apt-get install ninja-build
	- name: Envinfo
	run: npx envinfo

	- name: ASAN Build
	run: \|
	mkdir build-asan
	(cd build-asan && cmake .. -G Ninja -DBUILD_TESTING=ON -DASAN=ON -DCMAKE_BUILD_TYPE=Debug)
	cmake --build build-asan
	- name: ASAN Test
	run: \|
	./build-asan/uv_run_tests_a

	- name: MSAN Build
	run: \|
	mkdir build-msan
	(cd build-msan && cmake .. -G Ninja -DBUILD_TESTING=ON -DMSAN=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang)
	cmake --build build-msan
	- name: MSAN Test
	run: \|
	./build-msan/uv_run_tests_a

	- name: TSAN Build
	run: \|
	mkdir build-tsan
	(cd build-tsan && cmake .. -G Ninja -DBUILD_TESTING=ON -DTSAN=ON -DCMAKE_BUILD_TYPE=Release)
	cmake --build build-tsan
	- name: TSAN Test
	# Note: path must be absolute because some tests chdir.
	# TSan exits with an error when it can't find the file.
	run: \|
	env TSAN_OPTIONS="suppressions=$PWD/tsansupp.txt" ./build-tsan/uv_run_tests_a

	- name: UBSAN Build
	run: \|
	mkdir build-ubsan
	(cd build-ubsan && cmake .. -G Ninja -DBUILD_TESTING=ON -DUBSAN=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang)
	cmake --build build-ubsan
	- name: UBSAN Test
	run: \|
	./build-ubsan/uv_run_tests_a

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