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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
#ifndef INCLUDED_GRAS_DETAIL_CHRONO_HPP
#define INCLUDED_GRAS_DETAIL_CHRONO_HPP
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
#include <windows.h>
namespace gras
{
GRAS_FORCE_INLINE time_ticks_t time_now(void)
{
LARGE_INTEGER counts;
QueryPerformanceCounter(&counts);
return counts.QuadPart;
}
GRAS_FORCE_INLINE time_ticks_t time_tps(void)
{
LARGE_INTEGER freq;
QueryPerformanceFrequency(&freq);
return freq.QuadPart;
}
} //namespace gras
#else
#include <ctime>
#include <sys/time.h>
namespace gras
{
GRAS_FORCE_INLINE time_ticks_t time_now(void)
{
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
return ts.tv_sec*1000000000UL + ts.tv_nsec;
struct timeval tv;
if (gettimeofday(&tv, NULL) == 0)
return tv.tv_sec*1000000000UL + tv.tv_usec*1000UL;
return 0;
}
GRAS_FORCE_INLINE time_ticks_t time_tps(void)
{
return 1000000000UL;
}
} //namespace gras
#endif
namespace gras
{
GRAS_FORCE_INLINE TimerAccumulate::TimerAccumulate(time_ticks_t &accum):
accum(accum),
start(time_now()),
is_done(false)
{
//NOP
}
GRAS_FORCE_INLINE TimerAccumulate::~TimerAccumulate(void)
{
if (not is_done) this->done();
}
GRAS_FORCE_INLINE void TimerAccumulate::done(void)
{
accum += (time_now() - start);
is_done = true;
}
}
#endif /*INCLUDED_GRAS_DETAIL_CHRONO_HPP*/
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