1#!/usr/bin/python3
2# Test that glibc's signal numbers match the kernel's.
3# Copyright (C) 2018-2021 Free Software Foundation, Inc.
4# This file is part of the GNU C Library.
5#
6# The GNU C Library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Lesser General Public
8# License as published by the Free Software Foundation; either
9# version 2.1 of the License, or (at your option) any later version.
10#
11# The GNU C Library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Lesser General Public License for more details.
15#
16# You should have received a copy of the GNU Lesser General Public
17# License along with the GNU C Library; if not, see
18# <https://www.gnu.org/licenses/>.
19
20import argparse
21import sys
22
23import glibcextract
24
25
26def main():
27    """The main entry point."""
28    parser = argparse.ArgumentParser(
29        description="Test that glibc's signal numbers match the kernel's.")
30    parser.add_argument('--cc', metavar='CC',
31                        help='C compiler (including options) to use')
32    args = parser.parse_args()
33    sys.exit(glibcextract.compare_macro_consts(
34        '#define _GNU_SOURCE 1\n'
35        '#include <signal.h>\n',
36        '#define _GNU_SOURCE 1\n'
37        '#include <stddef.h>\n'
38        '#include <asm/signal.h>\n',
39        args.cc,
40        # Filter out constants that aren't signal numbers.
41        'SIG[A-Z]+',
42        # Discard obsolete signal numbers and unrelated constants:
43        #    SIGCLD, SIGIOT, SIGSWI, SIGUNUSED.
44        #    SIGSTKSZ, SIGRTMIN, SIGRTMAX.
45        'SIG(CLD|IOT|RT(MIN|MAX)|STKSZ|SWI|UNUSED)'))
46
47if __name__ == '__main__':
48    main()
49