Tim Mayberry
a974659504
Change return type of utils::get_microseconds to signed int and return -1 when failing to read timer
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
|
|
*
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef WIN_UTILS_H
|
|
#define WIN_UTILS_H
|
|
|
|
#include <stdint.h>
|
|
|
|
namespace utils {
|
|
|
|
bool set_min_timer_resolution ();
|
|
|
|
bool reset_timer_resolution ();
|
|
|
|
/** The highest resolution timer source provided by the system. On Vista and
|
|
* above this is the value returned by QueryPerformanceCounter(QPC). On XP,
|
|
* this will QPC if supported or otherwise g_get_monotonic_time will be used.
|
|
*
|
|
* @return A timer value in microseconds or -1 in the event that the reading
|
|
* the timer source fails, but the MS docs say that this won't occur for
|
|
* systems >= XP
|
|
*/
|
|
int64_t get_microseconds ();
|
|
|
|
}
|
|
|
|
#endif // WIN_UTILS_H
|