diff options
Diffstat (limited to 'storage/ndb/src/common/portlib/old_dirs/win32/NdbTick.c')
-rw-r--r-- | storage/ndb/src/common/portlib/old_dirs/win32/NdbTick.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/storage/ndb/src/common/portlib/old_dirs/win32/NdbTick.c b/storage/ndb/src/common/portlib/old_dirs/win32/NdbTick.c new file mode 100644 index 00000000000..e3a67d8437d --- /dev/null +++ b/storage/ndb/src/common/portlib/old_dirs/win32/NdbTick.c @@ -0,0 +1,64 @@ +/* Copyright (C) 2003 MySQL AB + + 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, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + + +#include <windows.h> +#include "NdbTick.h" + +/* +#define FILETIME_PER_MICROSEC 10 +#define FILETIME_PER_MILLISEC 10000 +#define FILETIME_PER_SEC 10000000 + + +NDB_TICKS NdbTick_CurrentMillisecond(void) +{ + ULONGLONG ullTime; + GetSystemTimeAsFileTime((LPFILETIME)&ullTime); + return (ullTime / FILETIME_PER_MILLISEC); +} + +int +NdbTick_CurrentMicrosecond(NDB_TICKS * secs, Uint32 * micros) +{ + ULONGLONG ullTime; + GetSystemTimeAsFileTime((LPFILETIME)&ullTime); + *secs = (ullTime / FILETIME_PER_SEC); + *micros = (Uint32)((ullTime % FILETIME_PER_SEC) / FILETIME_PER_MICROSEC); + return 0; +} +*/ + + +NDB_TICKS NdbTick_CurrentMillisecond(void) +{ + LARGE_INTEGER liCount, liFreq; + QueryPerformanceCounter(&liCount); + QueryPerformanceFrequency(&liFreq); + return (liCount.QuadPart*1000) / liFreq.QuadPart; +} + +int +NdbTick_CurrentMicrosecond(NDB_TICKS * secs, Uint32 * micros) +{ + LARGE_INTEGER liCount, liFreq; + QueryPerformanceCounter(&liCount); + QueryPerformanceFrequency(&liFreq); + *secs = liCount.QuadPart / liFreq.QuadPart; + liCount.QuadPart -= *secs * liFreq.QuadPart; + *micros = (liCount.QuadPart*1000000) / liFreq.QuadPart; + return 0; +} |