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/*
* clock_settime() for uClibc
*
* Copyright (C) 2005 by Peter Kjellerstedt <pkj@axis.com>
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#include <time.h>
#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_settime64)
#include "internal/time64_helpers.h"
int clock_settime(clockid_t clock_id, const struct timespec *tp)
{
return INLINE_SYSCALL(clock_settime64, 2, clock_id, TO_TS64_P(tp));
}
#elif defined(__NR_clock_settime)
_syscall2(int, clock_settime, clockid_t, clock_id, const struct timespec*, tp)
#else
# include <sys/time.h>
int clock_settime(clockid_t clock_id, const struct timespec* tp)
{
struct timeval tv;
int retval = -1;
if (tp->tv_nsec < 0 || tp->tv_nsec >= 1000000000) {
errno = EINVAL;
return -1;
}
switch (clock_id) {
case CLOCK_REALTIME:
TIMESPEC_TO_TIMEVAL(&tv, tp);
retval = settimeofday(&tv, NULL);
break;
default:
errno = EINVAL;
break;
}
return retval;
}
#endif
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