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annotate src/os/win32/ngx_time.c @ 210:00cafae0bdf1

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nginx-0.0.1-2003-12-14-23:10:27 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 14 Dec 2003 20:10:27 +0000
parents 811bdd2af794
children 0ab66f4b6c4d
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1
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2 #include <ngx_config.h>
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3 #include <ngx_core.h>
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6 void ngx_gettimeofday(struct timeval *tp)
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7 {
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8 uint64_t intervals;
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9 FILETIME ft;
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11 GetSystemTimeAsFileTime(&ft);
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13 /*
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14 * A file time is a 64-bit value that represents the number
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15 * of 100-nanosecond intervals that have elapsed since
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16 * 12:00 A.M. January 1, 1601 (UTC).
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17 *
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811bdd2af794 nginx-0.0.1-2003-11-12-20:25:12 import
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18 * Between January 1, 1970 (Epoch) and January 1, 1601 there were
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19 * 134744 days,
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20 * 11644473600 seconds or
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21 * 11644473600,000,000,0 100-nanosecond intervals.
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22 *
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23 * See also MSKB Q167296.
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24 */
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26 intervals = ((uint64_t) ft.dwHighDateTime << 32) | ft.dwLowDateTime;
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27 intervals -= 116444736000000000;
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28
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29 tp->tv_sec = (long) (intervals / 10000000);
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30 tp->tv_usec = (long) ((intervals % 10000000) / 10);
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31 }