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/*
* This file is part of the OpenKinect Project. http://www.openkinect.org
*
* Copyright (c) 2010 Brandyn White (bwhite@dappervision.com)
*
* This code is licensed to you under the terms of the Apache License, version
* 2.0, or, at your option, the terms of the GNU General Public License,
* version 2.0. See the APACHE20 and GPL2 files for the text of the licenses,
* or the following URLs:
* http://www.apache.org/licenses/LICENSE-2.0
* http://www.gnu.org/licenses/gpl-2.0.txt
*
* If you redistribute this file in source form, modified or unmodified, you
* may:
* 1) Leave this header intact and distribute it under the same terms,
* accompanying it with the APACHE20 and GPL20 files, or
* 2) Delete the Apache 2.0 clause and accompany it with the GPL2 file, or
* 3) Delete the GPL v2 clause and accompany it with the APACHE20 file
* In all cases you must keep the copyright notice intact and include a copy
* of the CONTRIB file.
*
* Binary distributions must follow the binary distribution requirements of
* either License.
*/
#pragma once
#include <math.h>
#ifdef _WIN32
#include <direct.h>
#include <windows.h>
#define snprintf _snprintf
#define popen _popen
#else
#include <time.h>
#include <unistd.h>
#endif
double get_time()
{
#ifdef _WIN32
SYSTEMTIME st;
GetSystemTime(&st);
FILETIME ft;
SystemTimeToFileTime(&st, &ft);
ULARGE_INTEGER li;
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
// FILETIME is given as a 64-bit value for the number of 100-nanosecond
// intervals that have passed since Jan 1, 1601 (UTC). The difference between that
// epoch and the POSIX epoch (Jan 1, 1970) is 116444736000000000 such ticks.
uint64_t total_usecs = (li.QuadPart - 116444736000000000L) / 10L;
return (total_usecs / 1000000.);
#else
struct timeval cur;
gettimeofday(&cur, NULL);
return cur.tv_sec + cur.tv_usec / 1000000.;
#endif
}
void sleep_highres(double tm)
{
#ifdef _WIN32
int msec = floor(tm * 1000);
if (msec > 0) {
Sleep(msec);
}
#else
int sec = floor(tm);
int usec = (tm - sec) * 1000000;
if (tm > 0) {
sleep(sec);
usleep(usec);
}
#endif
}
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