/* * $PostgreSQL: /cvsroot/pgsql-server/src/port/gettimeofday.c,v 1.3 2003/11/29 19:52:13 pgsql 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. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifndef HAVE_GETTIMEOFDAY #include "ac-stdint.h" #include <time.h> #include <stdio.h> #include <sys/types.h> #include <sys/timeb.h> #include <windows.h> #include "subst.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; } #endif