45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* UPIWIN - Micro Pi Windowing Framework Kernel
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* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*-------------------------------------------------------------------------
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*/
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#include <stddef.h>
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#include <sys/time.h>
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#include "time_func.h"
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static TIMESTAMP start_timestamp = 0; /* time since epoch at start of run */
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TIMESTAMP Time_since_epoch(void)
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{
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TIMESTAMP rc;
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struct timeval tv;
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gettimeofday(&tv, NULL);
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rc = (tv.tv_sec * (TIMESTAMP)1000) + (tv.tv_usec / (TIMESTAMP)1000);
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return rc;
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}
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TIMESTAMP Time_since_start(void)
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{
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return Time_since_epoch() - start_timestamp;
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}
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void Time_init(void)
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{
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start_timestamp = Time_since_epoch();
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}
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