kicad/common/getrunningmicrosecs.cpp

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2012-01-15 01:31:39 +00:00
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012 KiCad Developers, see change_log.txt for contributors.
*
* This program 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.
*
* This program 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
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#include <config.h>
#include <common.h>
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#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
unsigned GetRunningMicroSecs()
{
FILETIME now;
GetSystemTimeAsFileTime( &now );
typedef unsigned long long UINT64;
UINT64 t = (UINT64(now.dwHighDateTime) << 32) + now.dwLowDateTime;
t /= 10;
return unsigned( t );
}
#if 0
// test program
#include <stdio.h>
int main( int argc, char** argv )
{
unsigned then = GetRunningMicroSecs();
Sleep( 2000 ); // Windows Sleep( msecs )
printf( "delta: %u\n", GetRunningMicroSecs() - then );
return 0;
}
#endif
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#elif defined(HAVE_CLOCK_GETTIME)
#include <time.h>
unsigned GetRunningMicroSecs()
{
struct timespec now;
clock_gettime( CLOCK_MONOTONIC, &now );
unsigned usecs = ((unsigned)now.tv_nsec)/1000 + ((unsigned)now.tv_sec) * 1000000;
// unsigned msecs = (now.tv_nsec / (1000*1000)) + now.tv_sec * 1000;
return usecs;
}
#elif defined(HAVE_GETTIMEOFDAY_FUNC)
#include <sys/time.h>
unsigned GetRunningMicroSecs()
{
timeval tv;
gettimeofday( &tv, 0 );
return (tv.tv_sec * 1000000) + tv.tv_usec;
}
#endif