summaryrefslogtreecommitdiff
path: root/common/getrunningmicrosecs.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'common/getrunningmicrosecs.cpp')
-rw-r--r--common/getrunningmicrosecs.cpp97
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
+