101 lines
2.1 KiB
C++

/*
Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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; version 2 of the License.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DICT_LOCK_HPP
#define DICT_LOCK_HPP
#include "SignalData.hpp"
#define JAM_FILE_ID 133
// see comments in Dbdict.hpp
class DictLockReq {
friend class Dbdict;
friend class Dbdih;
friend class Suma;
public:
STATIC_CONST( SignalLength = 3 );
enum LockType {
NoLock = 0
,NodeRestartLock = 1 // S-lock
,NodeFailureLock = 2 // S-lock
,SchemaTransLock = 3
// non-trans op locks
,CreateFileLock = 8
,CreateFilegroupLock = 9
,DropFileLock = 10
,DropFilegroupLock = 11
,SumaStartMe = 12
,SumaHandOver = 13
};
private:
Uint32 userPtr;
Uint32 lockType;
Uint32 userRef;
};
class DictLockConf {
friend class Dbdict;
friend class Dbdih;
friend class Suma;
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 userPtr;
Uint32 lockType;
Uint32 lockPtr;
};
class DictLockRef {
friend class Dbdict;
friend class Dbdih;
friend class Suma;
public:
STATIC_CONST( SignalLength = 3 );
enum ErrorCode {
NotMaster = 1,
InvalidLockType = 2,
BadUserRef = 3,
TooLate = 4,
TooManyRequests = 5
};
private:
Uint32 userPtr;
Uint32 lockType;
Uint32 errorCode;
};
class DictUnlockOrd {
friend class Dbdict;
friend class Dbdih;
friend class Suma;
public:
STATIC_CONST( SignalLength = 4 );
Uint32 lockPtr;
Uint32 lockType;
Uint32 senderData;
Uint32 senderRef;
};
#undef JAM_FILE_ID
#endif