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