73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifdef WIN32
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#include <profileapi.h>
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#elif defined __APPLE__
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#include <sys/time.h>
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#else
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#include <ctime>
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#endif
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class MyTime
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{
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public:
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#ifndef WIN32
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timespec t;
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#else
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LONGLONG t;
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LONGLONG baseFrequency;
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MyTime()
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{
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LARGE_INTEGER ulf;
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QueryPerformanceFrequency(&ulf);
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baseFrequency = ulf.QuadPart;
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QueryPerformanceCounter(&ulf);
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t = ulf.QuadPart;
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}
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#endif
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void set ()
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{
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#ifdef WIN32
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LARGE_INTEGER ulf;
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QueryPerformanceCounter(&ulf);
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t = ulf.QuadPart;
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#elif defined __APPLE__
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struct timeval tv;
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gettimeofday(&tv, NULL);
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t.tv_sec = tv.tv_sec;
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t.tv_nsec = tv.tv_usec * 1000;
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#else
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clock_gettime(CLOCK_REALTIME, &t);
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#endif
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}
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int etime (const MyTime &a) const
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{
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#ifndef WIN32
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return (t.tv_sec - a.t.tv_sec) * 1000000 + (t.tv_nsec - a.t.tv_nsec) / 1000;
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#else
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return (t - a.t) * 1000 / (baseFrequency / 1000);
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#endif
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}
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};
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