?? timer.cpp
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/* timer.cpp * * Copyright (C) 2003 Sawtooth Consulting Ltd. * * This file is part of yaSSL. * * yaSSL 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. * * yaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA *//* timer.cpp implements a high res and low res timer **/#include "runtime.hpp"#include "timer.hpp"#ifdef _WIN32#define WIN32_LEAN_AND_MEAN#include <windows.h>#else#include <sys/time.h>#endifnamespace yaSSL {#ifdef _WIN32 timer_d timer() { static bool init(false); static LARGE_INTEGER freq; if (!init) { QueryPerformanceFrequency(&freq); init = true; } LARGE_INTEGER count; QueryPerformanceCounter(&count); return static_cast<double>(count.QuadPart) / freq.QuadPart; } uint lowResTimer() { return static_cast<uint>(timer()); }#else // _WIN32 timer_d timer() { struct timeval tv; gettimeofday(&tv, 0); return static_cast<double>(tv.tv_sec) + static_cast<double>(tv.tv_usec) / 1000000; } uint lowResTimer() { struct timeval tv; gettimeofday(&tv, 0); return tv.tv_sec; }#endif // _WIN32} // namespace yaSSL
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