Fixes SIGSEGV and improve thread safety of journal.Reader class #81

	---
	# vi: ts=2 sw=2 et:
	# SPDX-License-Identifier: LGPL-2.1-or-later
	#
	name: Build test
	on:
	pull_request:
	push:
	branches:
	- main

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	concurrency:
	group: ${{ github.workflow }}-${{ matrix.python }}-${{ github.ref }}
	cancel-in-progress: true
	strategy:
	fail-fast: false
	matrix:
	python: [
	"3.8",
	"3.9",
	"3.10",
	"3.11",
	"3.12",
	"3.13"
	]
	name: Python ${{ matrix.python }}
	steps:
	- name: Repository checkout
	uses: actions/checkout@v4

	- name: Configure Python ${{ matrix.python }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	architecture: x64

	- name: Install dependencies
	run: \|
	sudo apt -y update
	sudo apt -y install gcc libsystemd-dev
	if dpkg --compare-versions "${{ matrix.python }}" ge 3.12; then
	python -m pip install setuptools \|\| echo "can't install setuptools"
	fi
	python -m pip install pytest sphinx

	- name: Build (Python ${{ matrix.python }})
	run: \|
	set -x
	make -j
	make doc SPHINXOPTS="-W -v"

	- name: Test (Python ${{ matrix.python }})
	run: \|
	make check

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