104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/blenlib/intern/time.c
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* \ingroup bli
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*/
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#include "PIL_time.h"
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#ifdef WIN32
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#include <windows.h>
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double PIL_check_seconds_timer(void)
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{
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static int hasperfcounter = -1; /* (-1 == unknown) */
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static double perffreq;
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if (hasperfcounter == -1) {
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__int64 ifreq;
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hasperfcounter = QueryPerformanceFrequency((LARGE_INTEGER *) &ifreq);
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perffreq = (double) ifreq;
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}
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if (hasperfcounter) {
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__int64 count;
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QueryPerformanceCounter((LARGE_INTEGER *) &count);
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return count / perffreq;
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}
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else {
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static double accum = 0.0;
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static int ltick = 0;
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int ntick = GetTickCount();
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if (ntick < ltick) {
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accum += (0xFFFFFFFF - ltick + ntick) / 1000.0;
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}
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else {
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accum += (ntick - ltick) / 1000.0;
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}
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ltick = ntick;
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return accum;
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}
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}
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void PIL_sleep_ms(int ms)
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{
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Sleep(ms);
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}
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#else
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#include <unistd.h>
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#include <sys/time.h>
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double PIL_check_seconds_timer(void)
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{
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struct timeval tv;
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struct timezone tz;
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gettimeofday(&tv, &tz);
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return ((double) tv.tv_sec + tv.tv_usec / 1000000.0);
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}
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void PIL_sleep_ms(int ms)
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{
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if (ms >= 1000) {
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sleep(ms / 1000);
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ms = (ms % 1000);
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}
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usleep(ms * 1000);
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}
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#endif
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