1/* Support functionality for using time.
2 Copyright (C) 2019-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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/>. */
18
19#ifndef SUPPORT_TIME_H
20#define SUPPORT_TIME_H
21
22#include <time.h>
23
24__BEGIN_DECLS
25
26/* The following functions call the corresponding libc functions and
27 terminate the process on error. */
28
29void xclock_gettime (clockid_t clock, struct timespec *ts);
30
31/* This helper can often simplify tests by avoiding an explicit
32 variable declaration or allowing that declaration to be const. */
33
34static inline struct timespec xclock_now (clockid_t clock)
35{
36 struct timespec ts;
37 xclock_gettime (clock, &ts);
38 return ts;
39}
40
41__END_DECLS
42
43#endif /* SUPPORT_TIME_H */
44