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timeru.cpp
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timeru.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is COID/comm module.
*
* The Initial Developer of the Original Code is
* PosAm.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brano Kemen
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "timer.h"
#ifndef SYSTYPE_MSVC
#include <sys/time.h>
namespace coid {
////////////////////////////////////////////////////////////////////////////////
struct timezone tz;
////////////////////////////////////////////////////////////////////////////////
void msec_timer::reset()
{
struct timeval ts;
gettimeofday(&ts,&tz);
_tstart = uint64(ts.tv_sec)*1000*1000 + ts.tv_usec;
}
////////////////////////////////////////////////////////////////////////////////
void msec_timer::set( uint msec )
{
struct timeval ts;
gettimeofday(&ts,&tz);
_tstart = uint64(ts.tv_sec)*1000*1000 + ts.tv_usec - uint64(msec)*1000;
}
////////////////////////////////////////////////////////////////////////////////
uint msec_timer::time() const
{
struct timeval ts;
gettimeofday(&ts,&tz);
uint64 t = uint64(ts.tv_sec)*1000*1000 + ts.tv_usec;
return uint((t - _tstart) / 1000);
}
////////////////////////////////////////////////////////////////////////////////
uint msec_timer::time_usec() const
{
struct timeval ts;
gettimeofday(&ts,&tz);
return uint64(ts.tv_sec)*1000*1000 + ts.tv_usec - _tstart;
}
////////////////////////////////////////////////////////////////////////////////
uint msec_timer::ticks() const
{
struct timeval ts;
gettimeofday(&ts,&tz);
uint64 usec = uint64(ts.tv_sec)*1000*1000 + ts.tv_usec - _tstart;
return uint( usec / _period );
}
////////////////////////////////////////////////////////////////////////////////
int msec_timer::usec_to_tick( uint k ) const
{
struct timeval ts;
gettimeofday(&ts,&tz);
uint64 usec = uint64(ts.tv_sec)*1000*1000 + ts.tv_usec - _tstart;
return int( k*uint64(_period) - usec );
}
} // namespace coid
#endif //SYSTYPE_MSVC