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#!/usr/bin/python3
# Test that glibc's sys/pidfd.h constants match the kernel's.
# Copyright (C) 2022 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
#
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
import argparse
import sys
import glibcextract
import glibcsyscalls
def main():
"""The main entry point."""
parser = argparse.ArgumentParser(
description="Test that glibc's sys/pidfd.h constants "
"match the kernel's.")
parser.add_argument('--cc', metavar='CC',
help='C compiler (including options) to use')
args = parser.parse_args()
if glibcextract.compile_c_snippet(
'#include <linux/pidfd.h>',
args.cc).returncode != 0:
sys.exit (77)
linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
linux_version_glibc = (5, 19)
sys.exit(glibcextract.compare_macro_consts(
'#include <sys/pidfd.h>\n',
'#include <asm/fcntl.h>\n'
'#include <linux/pidfd.h>\n',
args.cc,
'PIDFD_.*',
None,
linux_version_glibc > linux_version_headers,
linux_version_headers > linux_version_glibc))
if __name__ == '__main__':
main()
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