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Initial revision of NDB Cluster files

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BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted
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2004-04-14 10:53:21 +02:00
parent 0ba6cb48d8
commit 6386c55cee
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ndb/include/util/random.h Normal file
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/* 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 */
#ifndef RANDOM_H
#define RANDOM_H
/***************************************************************
* I N C L U D E D F I L E S *
***************************************************************/
/***************************************************************
* M A C R O S *
***************************************************************/
/***************************************************************/
/* C O N S T A N T S */
/***************************************************************/
/***************************************************************
* D A T A S T R U C T U R E S *
***************************************************************/
typedef struct {
unsigned int length;
unsigned int *values;
unsigned int currentIndex;
}RandomSequence;
typedef struct {
unsigned int length;
unsigned int value;
}SequenceValues;
/***************************************************************
* P U B L I C F U N C T I O N S *
***************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
extern double getTps(unsigned int count, double timeValue);
/*----------------------------*/
/* Random Sequences Functions */
/*----------------------------*/
extern int initSequence(RandomSequence *seq, SequenceValues *inputValues);
extern unsigned int getNextRandom(RandomSequence *seq);
extern void printSequence(RandomSequence *seq, unsigned int numPerRow);
/*---------------------------------------------------*/
/* Code from the glibc, to make sure the same random */
/* number generator is used by all */
/*---------------------------------------------------*/
extern void myRandom48Init(long int seedval);
extern long int myRandom48(unsigned int maxValue);
#ifdef __cplusplus
}
#endif
/***************************************************************
* E X T E R N A L D A T A *
***************************************************************/
#endif /* RANDOM_H */