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Diffstat (limited to 'common/getrunningmicrosecs.cpp')
-rw-r--r-- | common/getrunningmicrosecs.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/common/getrunningmicrosecs.cpp b/common/getrunningmicrosecs.cpp new file mode 100644 index 0000000..152a1d1 --- /dev/null +++ b/common/getrunningmicrosecs.cpp @@ -0,0 +1,97 @@ + +/* + * 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 + */ + + +#include <config.h> +#include <common.h> + +#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 + + +#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 + |