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71 lines
1.4 KiB
C++
71 lines
1.4 KiB
C++
/*
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* MicroTimer.h - simple high-precision timer
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*
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* Copyright (c) 2005-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef MICRO_TIMER
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#define MICRO_TIMER
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#include "lmmsconfig.h"
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#ifdef LMMS_HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <cstdlib>
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#include "lmms_basics.h"
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class MicroTimer
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{
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public:
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inline MicroTimer()
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{
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reset();
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}
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inline ~MicroTimer()
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{
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}
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inline void reset()
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{
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gettimeofday( &begin, NULL );
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}
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inline int elapsed() const
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{
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struct timeval now;
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gettimeofday( &now, NULL );
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return ( now.tv_sec - begin.tv_sec ) * 1000 * 1000 +
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( now.tv_usec - begin.tv_usec );
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}
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private:
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struct timeval begin;
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} ;
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#endif
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