54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010 Danny Robson <danny@blubinc.net>
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*/
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#include "time.hpp"
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#include "debug.hpp"
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using namespace util;
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#ifdef __WIN32
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#include <windows.h>
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uint64_t
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util::nanoseconds (void) {
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LARGE_INTEGER freq, count;
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QueryPerformanceFrequency (&freq);
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QueryPerformanceCounter (&count);
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return ((double)count.QuadPart / freq.QuadPart) * 1000000000UL;
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}
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#else
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#include <ctime>
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uint64_t
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util::nanoseconds (void) {
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struct timespec t;
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clock_gettime (CLOCK_REALTIME, &t);
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check_soft (t.tv_sec > 0);
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check_soft (t.tv_nsec > 0);
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return static_cast<uint64_t> (t.tv_sec) * 1000000000ULL + static_cast<uint64_t> (t.tv_nsec);
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}
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#endif
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