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/*
* The MIT License (MIT)
*
* Copyright © 2016 Franklin "Snaipe" Mathieu <http://snai.pe/>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <errno.h>
#include "config.h"
#include "time.h"
#define KILO 1000ull
#define MEGA (KILO * 1000ull)
#define GIGA (MEGA * 1000ull)
#if defined (HAVE_GETTIMEOFDAY)
# include <sys/time.h>
#endif
#if defined (HAVE_CLOCK_GETTIME)
# include <time.h>
#endif
#if defined (__APPLE__)
# include <mach/clock.h>
# include <mach/mach.h>
# include <pthread.h>
#endif
#if defined (_WIN32) || defined (__CYGWIN__)
# include <windows.h>
#endif
#if defined (HAVE_CLOCK_GETTIME)
# if defined (HAVE_CLOCK_MONOTONIC_RAW)
# define CLOCK CLOCK_MONOTONIC_RAW
# else
# define CLOCK CLOCK_MONOTONIC
# endif
#endif
uint64_t cri_timestamp_monotonic(void)
{
#if defined (HAVE_CLOCK_GETTIME)
struct timespec now;
clock_gettime(CLOCK, &now);
return now.tv_sec * GIGA + now.tv_nsec;
#elif defined (__APPLE__)
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock);
int res = clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
return mts.tv_sec * GIGA + mts.tv_nsec;
#elif defined (_WIN32) || defined (__CYGWIN__)
LARGE_INTEGER freq, count;
if (!QueryPerformanceFrequency(&freq)
|| !QueryPerformanceCounter(&count))
return -1;
uint64_t sec = count.QuadPart / freq.QuadPart;
uint64_t nano = ((count.QuadPart * GIGA) / freq.QuadPart) % GIGA;
return sec * GIGA + nano;
#else
errno = ENOTSUP;
return (uint64_t) -1;
#endif
}
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