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/*
* clock_gettime() for uClibc
*
* Copyright (C) 2003 by Justus Pendleton <uc@ryoohki.net>
* 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_gettime64)
_syscall2_64(int, clock_gettime, clockid_t, clock_id, struct timespec*, tp)
#elif defined(__NR_clock_gettime)
_syscall2(int, clock_gettime, clockid_t, clock_id, struct timespec*, tp)
#else
# include <sys/time.h>
int clock_gettime(clockid_t clock_id, struct timespec* tp)
{
struct timeval tv;
int retval = -1;
switch (clock_id) {
case CLOCK_REALTIME:
/* In Linux, gettimeofday fails only on bad parameter.
* We know that here parameter isn't bad.
*/
gettimeofday(&tv, NULL);
TIMEVAL_TO_TIMESPEC(&tv, tp);
retval = 0;
break;
default:
errno = EINVAL;
break;
}
return retval;
}
#endif
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