1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */
2 /*
3 * time definitions for NOLIBC
4 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
5 */
6
7 /* make sure to include all global symbols */
8 #include "../nolibc.h"
9
10 #ifndef _NOLIBC_SYS_TIME_H
11 #define _NOLIBC_SYS_TIME_H
12
13 #include "../arch.h"
14 #include "../sys.h"
15
16 static int sys_clock_gettime(clockid_t clockid, struct timespec *tp);
17
18 /*
19 * int gettimeofday(struct timeval *tv, struct timezone *tz);
20 */
21
22 static __attribute__((unused))
sys_gettimeofday(struct timeval * tv,struct timezone * tz)23 int sys_gettimeofday(struct timeval *tv, struct timezone *tz)
24 {
25 #ifdef __NR_gettimeofday
26 return my_syscall2(__NR_gettimeofday, tv, tz);
27 #else
28 (void) tz; /* Non-NULL tz is undefined behaviour */
29
30 struct timespec tp;
31 int ret;
32
33 ret = sys_clock_gettime(CLOCK_REALTIME, &tp);
34 if (!ret && tv) {
35 tv->tv_sec = tp.tv_sec;
36 tv->tv_usec = tp.tv_nsec / 1000;
37 }
38
39 return ret;
40 #endif
41 }
42
43 static __attribute__((unused))
gettimeofday(struct timeval * tv,struct timezone * tz)44 int gettimeofday(struct timeval *tv, struct timezone *tz)
45 {
46 return __sysret(sys_gettimeofday(tv, tz));
47 }
48
49 #endif /* _NOLIBC_SYS_TIME_H */
50