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5e7392dc82
Newer architectures (like riscv32) do not implement sys_gettimeofday(). In those cases fall back to sys_clock_gettime(). While that does not support the timezone argument of sys_gettimeofday(), specifying this argument invokes undefined behaviour, so it's safe to ignore. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-14-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
49 lines
1 KiB
C
49 lines
1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
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/*
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* time definitions for NOLIBC
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* Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
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*/
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/* make sure to include all global symbols */
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#include "../nolibc.h"
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#ifndef _NOLIBC_SYS_TIME_H
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#define _NOLIBC_SYS_TIME_H
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#include "../arch.h"
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#include "../sys.h"
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static int sys_clock_gettime(clockid_t clockid, struct timespec *tp);
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/*
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* int gettimeofday(struct timeval *tv, struct timezone *tz);
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*/
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static __attribute__((unused))
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int sys_gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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#ifdef __NR_gettimeofday
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return my_syscall2(__NR_gettimeofday, tv, tz);
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#else
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(void) tz; /* Non-NULL tz is undefined behaviour */
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struct timespec tp;
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int ret;
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ret = sys_clock_gettime(CLOCK_REALTIME, &tp);
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if (!ret && tv) {
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tv->tv_sec = tp.tv_sec;
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tv->tv_usec = tp.tv_nsec / 1000;
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}
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return ret;
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#endif
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}
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static __attribute__((unused))
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int gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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return __sysret(sys_gettimeofday(tv, tz));
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}
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#endif /* _NOLIBC_SYS_TIME_H */
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