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70 lines
1.9 KiB
70 lines
1.9 KiB
/**
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* \file
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* A timer with second, millisec, microsec or nanosec granularity.
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2014 Georg Hopp
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*
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* This program 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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* 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
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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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TR_TIMER_H__
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#define __TR_TIMER_H__
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#include <time.h>
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#include "trbase.h"
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#ifdef _WIN32
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struct timespec {
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time_t tv_sec;
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long tv_nsec;
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};
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#define CLOCK_REALTIME 1
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int clock_gettime(int, struct timespec *tv);
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#endif
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typedef enum {
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TR_TBASE_NAN = 0,
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TR_TBASE_MIC,
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TR_TBASE_MIL,
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TR_TBASE_SEC
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} TR_eTimeoutBase;
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TR_CLASS(TR_Timer) {
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int sec;
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int nsec;
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TR_eTimeoutBase base;
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unsigned long timeout;
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};
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TR_INSTANCE_INIT(TR_Timer);
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TR_CLASSVARS_DECL(TR_Timer) {};
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void TR_timerSet(TR_Timer, TR_eTimeoutBase, unsigned long);
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unsigned long TR_timerGet(TR_Timer, unsigned long *); // 2nd arg gets amount of
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// missed since last check.
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#define TR_timerSetNan(timer, val) (TR_timerSet((timer), TR_TBASE_NAN, (val)))
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#define TR_timerSetMic(timer, val) (TR_timerSet((timer), TR_TBASE_MIC, (val)))
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#define TR_timerSetMil(timer, val) (TR_timerSet((timer), TR_TBASE_MIL, (val)))
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#define TR_timerSetSec(timer, val) (TR_timerSet((timer), TR_TBASE_SEC, (val)))
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#endif // __TR_TIMER_H__
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// vim: set ts=4 sw=4:
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