1/* Copyright (C) 2011-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <time.h>
19#include <sysdep.h>
20#include <errno.h>
21
22#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
23# define HAVE_VSYSCALL
24#endif
25#include <sysdep-vdso.h>
26
27/* Set TS to calendar time based in time base BASE. */
28int
29timespec_get (struct timespec *ts, int base)
30{
31 switch (base)
32 {
33 int res;
34 INTERNAL_SYSCALL_DECL (err);
35 case TIME_UTC:
36 res = INTERNAL_VSYSCALL (clock_gettime, err, 2, CLOCK_REALTIME, ts);
37 if (INTERNAL_SYSCALL_ERROR_P (res, err))
38 return 0;
39 break;
40
41 default:
42 return 0;
43 }
44
45 return base;
46}
47