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[glibc.git] / sysdeps / unix / sysv / linux / futimens.c
blobf586b80f31ef8afba4eed9ed9742a7f01f857a1b
1 /* Change access and modification times of open file. Linux version.
2 Copyright (C) 2007 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 <http://www.gnu.org/licenses/>. */
19 #include <errno.h>
20 #include <fcntl.h>
21 #include <string.h>
22 #include <time.h>
23 #include <sysdep.h>
26 /* Change the access time of the file associated with FD to TSP[0] and
27 the modification time of FILE to TSP[1].
29 Starting with 2.6.22 the Linux kernel has the utimensat syscall which
30 can be used to implement futimens. */
31 int
32 futimens (int fd, const struct timespec tsp[2])
34 #ifdef __NR_utimensat
35 if (fd < 0)
37 __set_errno (EBADF);
38 return -1;
40 return INLINE_SYSCALL (utimensat, 4, fd, NULL, tsp, 0);
41 #else
42 __set_errno (ENOSYS);
43 return -1;
44 #endif
46 #ifndef __NR_utimensat
47 stub_warning (futimens)
48 # include <stub-tag.h>
49 #endif