database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

Initial revision of NDB Cluster files

Browse Source 
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted
This commit is contained in:
unknown
2004-04-14 10:53:21 +02:00
parent 0ba6cb48d8
commit 6386c55cee
1835 changed files with 500032 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

334
ndb/include/kernel/signaldata/UtilLock.hpp Normal file
View File

@ -0,0 +1,334 @@
/* 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 UTIL_LOCK_HPP
#define UTIL_LOCK_HPP
#include "SignalData.hpp"
class UtilLockReq {
/**
* Receiver
*/
friend class DbUtil;
/**
* Sender
*/
friend class Dbdih;
friend class MutexManager;
friend bool printUTIL_LOCK_REQ(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
enum RequestInfo {
TryLock = 1
};
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 requestInfo;
};
class UtilLockConf {
/**
* Receiver
*/
friend class Dbdih;
friend class MutexManager;
/**
* Sender
*/
friend class DbUtil;
friend bool printUTIL_LOCK_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 lockKey;
};
class UtilLockRef {
/**
* Reciver
*/
friend class Dbdih;
friend class MutexManager;
/**
* Sender
*/
friend class DbUtil;
friend bool printUTIL_LOCK_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
enum ErrorCode {
OK = 0,
NoSuchLock = 1,
OutOfLockRecords = 2,
DistributedLockNotSupported = 3,
LockAlreadyHeld = 4
};
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 errorCode;
};
class UtilUnlockReq {
/**
* Receiver
*/
friend class DbUtil;
/**
* Sender
*/
friend class Dbdih;
friend class MutexManager;
friend bool printUTIL_UNLOCK_REQ(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 lockKey;
};
class UtilUnlockConf {
/**
* Receiver
*/
friend class Dbdih;
friend class MutexManager;
/**
* Sender
*/
friend class DbUtil;
friend bool printUTIL_UNLOCK_CONF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
};
class UtilUnlockRef {
/**
* Reciver
*/
friend class Dbdih;
friend class MutexManager;
/**
* Sender
*/
friend class DbUtil;
friend bool printUTIL_UNLOCK_REF(FILE *, const Uint32 *, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
enum ErrorCode {
OK = 0,
NoSuchLock = 1,
NotLockOwner = 2
};
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 errorCode;
};
/**
* Creating a lock
*/
class UtilCreateLockReq {
/**
* Receiver
*/
friend class DbUtil;
/**
* Sender
*/
friend class MutexManager;
friend bool printUTIL_CREATE_LOCK_REQ(FILE *, const Uint32*, Uint32, Uint16);
public:
enum LockType {
Mutex = 0 // Lock with only exclusive locks
};
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 lockType;
};
class UtilCreateLockRef {
/**
* Sender
*/
friend class DbUtil;
/**
* Receiver
*/
friend class MutexManager;
friend bool printUTIL_CREATE_LOCK_REF(FILE *, const Uint32*, Uint32, Uint16);
public:
enum ErrorCode {
OK = 0,
OutOfLockQueueRecords = 1,
LockIdAlreadyUsed = 2,
UnsupportedLockType = 3
};
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 errorCode;
};
class UtilCreateLockConf {
/**
* Sender
*/
friend class DbUtil;
/**
* Receiver
*/
friend class MutexManager;
friend bool printUTIL_CREATE_LOCK_CONF(FILE*, const Uint32*, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
};
/**
* Creating a lock
*/
class UtilDestroyLockReq {
/**
* Receiver
*/
friend class DbUtil;
/**
* Sender
*/
friend class MutexManager;
friend bool printUTIL_DESTROY_LOCK_REQ(FILE *, const Uint32*, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 lockKey;
};
class UtilDestroyLockRef {
/**
* Sender
*/
friend class DbUtil;
/**
* Receiver
*/
friend class MutexManager;
friend bool printUTIL_DESTROY_LOCK_REF(FILE *, const Uint32*, Uint32, Uint16);
public:
enum ErrorCode {
OK = 0,
NoSuchLock = 1,
NotLockOwner = 2
};
STATIC_CONST( SignalLength = 4 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
Uint32 errorCode;
};
class UtilDestroyLockConf {
/**
* Sender
*/
friend class DbUtil;
/**
* Receiver
*/
friend class MutexManager;
friend bool printUTIL_DESTROY_LOCK_CONF(FILE*, const Uint32*, Uint32, Uint16);
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 senderData;
Uint32 senderRef;
Uint32 lockId;
};
#endif