Last change
on this file since 492 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
1.4 KB
|
Rev | Line | |
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[444] | 1 | /* time.c -- Implementation of the low-level time() routine |
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| 2 | * |
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| 3 | * Copyright (c) 2004 National Semiconductor Corporation |
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| 4 | * |
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| 5 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 6 | * and license this software and its documentation for any purpose, provided |
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| 7 | * that existing copyright notices are retained in all copies and that this |
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| 8 | * notice is included verbatim in any distributions. No written agreement, |
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| 9 | * license, or royalty fee is required for any of the authorized uses. |
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| 10 | * Modifications to this software may be copyrighted by their authors |
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| 11 | * and need not follow the licensing terms described here, provided that |
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| 12 | * the new terms are clearly indicated on the first page of each file where |
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| 13 | * they apply. |
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| 14 | */ |
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| 15 | |
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| 16 | #include <unistd.h> |
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| 17 | #include <time.h> |
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| 18 | #include <errno.h> |
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| 19 | #include <sys/time.h> |
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| 20 | #include <sys/times.h> |
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| 21 | #include <sys/syscall.h> |
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| 22 | |
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| 23 | time_t _Time (time_t *timer) |
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| 24 | { |
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| 25 | HOST_SERVICE (SVC_TIME); |
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| 26 | } |
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| 27 | |
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| 28 | time_t time (time_t *tod) |
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| 29 | { |
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| 30 | time_t t = _Time (NULL); |
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| 31 | |
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| 32 | if (tod) |
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| 33 | *tod = t; |
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| 34 | |
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| 35 | return (t); |
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| 36 | } |
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| 37 | |
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| 38 | /* _times -- no clock, so return an error. */ |
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| 39 | clock_t times (struct tms *buf) |
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| 40 | { |
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| 41 | errno = EINVAL; |
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| 42 | return (-1); |
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| 43 | } |
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| 44 | |
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| 45 | /* _gettimeofday -- implement in terms of time. */ |
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| 46 | int gettimeofday (struct timeval *tv, void *tzvp) |
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| 47 | { |
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| 48 | struct timezone *tz = tzvp; |
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| 49 | if (tz) |
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| 50 | tz->tz_minuteswest = tz->tz_dsttime = 0; |
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| 51 | |
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| 52 | tv->tv_usec = 0; |
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| 53 | tv->tv_sec = time (0); |
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| 54 | return 0; |
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| 55 | } |
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| 56 | |
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