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annotate src/os/win32/ngx_time.c @ 441:da8c5707af39

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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
author Igor Sysoev <igor@sysoev.ru>
date Tue, 28 Sep 2004 08:34:51 +0000
parents 0a03c921c81d
children 42d11f017717
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) 2002-2004 Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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11 void ngx_gettimeofday(struct timeval *tp)
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12 {
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13 uint64_t intervals;
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14 FILETIME ft;
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16 GetSystemTimeAsFileTime(&ft);
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18 /*
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19 * A file time is a 64-bit value that represents the number
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20 * of 100-nanosecond intervals that have elapsed since
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21 * January 1, 1601 12:00 A.M. UTC.
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22 *
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23 * Between January 1, 1970 (Epoch) and January 1, 1601 there were
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24 * 134744 days,
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25 * 11644473600 seconds or
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26 * 11644473600,000,000,0 100-nanosecond intervals.
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27 *
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28 * See also MSKB Q167296.
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29 */
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31 intervals = ((uint64_t) ft.dwHighDateTime << 32) | ft.dwLowDateTime;
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32 intervals -= 116444736000000000;
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33
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34 tp->tv_sec = (long) (intervals / 10000000);
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35 tp->tv_usec = (long) ((intervals % 10000000) / 10);
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36 }
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39 ngx_int_t ngx_gettimezone(void)
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40 {
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41 TIME_ZONE_INFORMATION tz;
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43 if (GetTimeZoneInformation(&tz) != TIME_ZONE_ID_INVALID) {
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44 return -tz.Bias;
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45 }
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46
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47 return 0;
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48 }