home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Sprite 1984 - 1993
/
Sprite 1984 - 1993.iso
/
src
/
machserver
/
1.098
/
raid
/
devRaidLog.h
< prev
next >
Wrap
C/C++ Source or Header
|
1990-10-12
|
1KB
|
44 lines
/*
* devRaidLog.h --
*
* Implements logging and recovery for raid devices.
*
* Copyright 1990 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#ifndef _DEVRAIDLOG
#define _DEVRAIDLOG
#include "sync.h"
#include <sprite.h>
#include "bitvec.h"
#include "devRaid.h"
#define RAID_LOG_BUF_SIZE 1000
typedef struct {
Sync_Semaphore mutex;
int enabled;
int busy;
DevBlockDeviceHandle *logHandlePtr;
int logDevOffset;
int diskLockVecNum;
int diskLockVecSize;
BitVec diskLockVec;
int minLogElem;
int maxLogElem;
Sync_Condition *waitCurBufPtr;
Sync_Condition *waitNextBufPtr;
Sync_Condition flushed1;
Sync_Condition flushed2;
} RaidLog;
#endif /* _DEVRAIDLOG */