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/* time.c -- Implementation of the low-level time() routine
*
* Copyright (c) 2004 National Semiconductor Corporation
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/syscall.h>
time_t _Time (time_t *timer)
{
HOST_SERVICE (SVC_TIME);
}
time_t _time (time_t *tod)
{
time_t t = _Time (NULL);
if (tod)
*tod = t;
return (t);
}
/* _times -- no clock, so return an error. */
clock_t _times (struct tms *buf)
{
errno = EINVAL;
return (-1);
}
/* _gettimeofday -- implement in terms of time. */
int _gettimeofday (struct timeval *tv, void *tzvp)
{
struct timezone *tz = tzvp;
if (tz)
tz->tz_minuteswest = tz->tz_dsttime = 0;
tv->tv_usec = 0;
tv->tv_sec = _time (0);
return 0;
}
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