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/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "PIL_time.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef WIN32
#include <windows.h>
double PIL_check_seconds_timer(void)
{
static int hasperfcounter= -1; /* -1==unknown */
static double perffreq;
if (hasperfcounter==-1) {
__int64 ifreq;
hasperfcounter= QueryPerformanceFrequency((LARGE_INTEGER*) &ifreq);
perffreq= (double) ifreq;
}
if (hasperfcounter) {
__int64 count;
QueryPerformanceCounter((LARGE_INTEGER*) &count);
return count/perffreq;
} else {
static double accum= 0.0;
static int ltick= 0;
int ntick= GetTickCount();
if (ntick<ltick) {
accum+= (0xFFFFFFFF-ltick+ntick)/1000.0;
} else {
accum+= (ntick-ltick)/1000.0;
}
ltick= ntick;
return accum;
}
}
void PIL_sleep_ms(int ms)
{
Sleep(ms);
}
#else
#include <unistd.h>
#include <sys/time.h>
double PIL_check_seconds_timer(void)
{
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
return ((double) tv.tv_sec + tv.tv_usec/1000000.0);
}
void PIL_sleep_ms(int ms)
{
if (ms>=1000) {
sleep(ms/1000);
ms= (ms%1000);
}
usleep(ms*1000);
}
#endif
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