54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
|
|
* $PostgreSQL: pgsql/src/port/gettimeofday.c,v 1.4 2004/05/21 05:08:05 tgl Exp $
|
|
*
|
|
* Copyright (c) 2003 SRA, Inc.
|
|
* Copyright (c) 2003 SKC, Inc.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose, without fee, and without a
|
|
* written agreement is hereby granted, provided that the above
|
|
* copyright notice and this paragraph and the following two
|
|
* paragraphs appear in all copies.
|
|
*
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT,
|
|
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
|
|
* LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
|
|
* DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS
|
|
* IS" BASIS, AND THE AUTHOR HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE,
|
|
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
*/
|
|
|
|
#include "postgres.h"
|
|
|
|
#include <sys/time.h>
|
|
|
|
|
|
/* FILETIME of Jan 1 1970 00:00:00. */
|
|
static const unsigned __int64 epoch = 116444736000000000L;
|
|
|
|
/*
|
|
* timezone information is stored outside the kernel so tzp isn't used anymore.
|
|
*/
|
|
int
|
|
gettimeofday(struct timeval * tp, struct timezone * tzp)
|
|
{
|
|
FILETIME file_time;
|
|
SYSTEMTIME system_time;
|
|
ULARGE_INTEGER ularge;
|
|
|
|
GetSystemTime(&system_time);
|
|
SystemTimeToFileTime(&system_time, &file_time);
|
|
ularge.LowPart = file_time.dwLowDateTime;
|
|
ularge.HighPart = file_time.dwHighDateTime;
|
|
|
|
tp->tv_sec = (long) ((ularge.QuadPart - epoch) / 10000000L);
|
|
tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
|
|
|
|
return 0;
|
|
}
|