1 /* Check if path supports 64-bit time interfaces.
2 Copyright (C) 2021-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
21 #include <support/check.h>
22 #include <support/support.h>
30 utimesat_call (const char *path
, const struct __timespec64 tsp
[2])
32 # ifndef __NR_utimensat_time64
33 # define __NR_utimensat_time64 __NR_utimensat
35 return syscall (__NR_utimensat_time64
, AT_FDCWD
, path
, &tsp
[0], 0);
40 support_path_support_time64_value (const char *path
, int64_t at
, int64_t mt
)
43 /* Obtain the original timestamps to restore at the end. */
45 TEST_VERIFY_EXIT (statx (AT_FDCWD
, path
, 0, STATX_BASIC_STATS
, &ostx
) == 0);
47 const struct __timespec64 tsp
[] = { { at
, 0 }, { mt
, 0 } };
49 /* Return is kernel does not support __NR_utimensat_time64. */
50 if (utimesat_call (path
, tsp
) == -1)
53 /* Verify if the last access and last modification time match the ones
54 obtained with statx. */
56 TEST_VERIFY_EXIT (statx (AT_FDCWD
, path
, 0, STATX_BASIC_STATS
, &stx
) == 0);
58 bool support
= stx
.stx_atime
.tv_sec
== tsp
[0].tv_sec
59 && stx
.stx_mtime
.tv_sec
== tsp
[1].tv_sec
;
61 /* Reset to original timestamps. */
62 const struct __timespec64 otsp
[] =
64 { ostx
.stx_atime
.tv_sec
, ostx
.stx_atime
.tv_nsec
},
65 { ostx
.stx_mtime
.tv_sec
, ostx
.stx_mtime
.tv_nsec
},
67 TEST_VERIFY_EXIT (utimesat_call (path
, otsp
) == 0);