MySQL 5.1: mysql/src/5.1-dbg/storage/ndb/include/portlib/NdbTick.h Source File
mysql/src/5.1-dbg/storage/ndb/include/portlib/NdbTick.h

00001 /* Copyright (C) 2003 MySQL AB
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; either version 2 of the License, or
00006    (at your option) any later version.
00007 
00008    This program is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011    GNU General Public License for more details.
00012 
00013    You should have received a copy of the GNU General Public License
00014    along with this program; if not, write to the Free Software
00015    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
00016 
00017 #ifndef NDB_TICK_H
00018 #define NDB_TICK_H
00019 
00020 #include <ndb_types.h>
00021 
00022 #ifdef  __cplusplus
00023 extern "C" {
00024 #endif
00025 
00026 #if defined NDB_OSE || defined NDB_SOFTOSE
00027 typedef unsigned long NDB_TICKS;
00028 #else
00029 typedef Uint64 NDB_TICKS; 
00030 #endif
00031 
00035 NDB_TICKS NdbTick_CurrentMillisecond(void);
00036 
00043 int NdbTick_CurrentMicrosecond(NDB_TICKS * secs, Uint32 * micros);
00044 
00045   /*#define TIME_MEASUREMENT*/
00046 #ifdef TIME_MEASUREMENT
00047 
00048 struct MicroSecondTimer {
00049   NDB_TICKS seconds;
00050   NDB_TICKS micro_seconds;
00051 };
00052 
00059 NDB_TICKS NdbTick_getMicrosPassed(struct MicroSecondTimer start,
00060                             struct MicroSecondTimer stop);
00061 int NdbTick_getMicroTimer(struct MicroSecondTimer* time_now);
00062 #endif
00063 
00064 #ifdef  __cplusplus
00065 }
00066 #endif
00067 
00068 #endif
00069
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