2 # Test that glibc's sys/mount.h constants match the kernel's.
3 # Copyright (C) 2022-2024 Free Software Foundation, Inc.
4 # This file is part of the GNU C Library.
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.
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.
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/>.
28 """The main entry point."""
29 parser
= argparse
.ArgumentParser(
30 description
="Test that glibc's sys/mount.h constants "
31 "match the kernel's.")
32 parser
.add_argument('--cc', metavar
='CC',
33 help='C compiler (including options) to use')
34 args
= parser
.parse_args()
36 if glibcextract
.compile_c_snippet(
37 '#include <linux/mount.h>',
38 args
.cc
).returncode
!= 0:
41 linux_version_headers
= glibcsyscalls
.linux_kernel_version(args
.cc
)
42 # Constants in glibc were updated to match Linux v6.8. When glibc
43 # constants are updated this value should be updated to match the
44 # released kernel version from which the constants were taken.
45 linux_version_glibc
= (6, 8)
46 def check(cte
, exclude
=None):
47 return glibcextract
.compare_macro_consts(
48 '#include <sys/mount.h>\n',
49 '#include <asm/fcntl.h>\n'
50 '#include <linux/mount.h>\n',
54 linux_version_glibc
> linux_version_headers
,
55 linux_version_headers
> linux_version_glibc
)
57 # Skip testing FS_CONFIG commands since they are only enums in the kernel
62 # MOVE_MOUNT__MASK may vary depending of the kernel version.
63 check('MOVE_MOUNT_.*', 'MOVE_MOUNT__MASK'),
65 # MOUNT_ATTR_SIZE_VER0 is used for mount_setattr.
66 check('MOUNT_ATTR_.*', 'MOUNT_ATTR_SIZE_VER0'))
69 if __name__
== '__main__':