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)) 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)) 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