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69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef NDB_TICK_H
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#define NDB_TICK_H
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#include <ndb_types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined NDB_OSE || defined NDB_SOFTOSE
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typedef unsigned long NDB_TICKS;
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#else
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typedef Uint64 NDB_TICKS;
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#endif
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/**
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* Returns the current millisecond since 1970
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*/
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NDB_TICKS NdbTick_CurrentMillisecond(void);
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/**
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* Get current micro second
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* Second method is simply abstraction on top of the first
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*
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* Returns 0 - Success
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*/
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int NdbTick_CurrentMicrosecond(NDB_TICKS * secs, Uint32 * micros);
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//#define TIME_MEASUREMENT
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#ifdef TIME_MEASUREMENT
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struct MicroSecondTimer {
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NDB_TICKS seconds;
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NDB_TICKS micro_seconds;
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};
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/**
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* Get time between start and stop time in microseconds
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* Abstraction to get time in struct
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*
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* 0 means stop happened at or before start time
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*/
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NDB_TICKS NdbTick_getMicrosPassed(struct MicroSecondTimer start,
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struct MicroSecondTimer stop);
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int NdbTick_getMicroTimer(struct MicroSecondTimer* time_now);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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