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/* Copyright (c) 2003, 2006 MySQL AB
Use is subject to license terms
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 Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef DICT_LOCK_HPP
#define DICT_LOCK_HPP
#include "SignalData.hpp"
// see comments in Dbdict.hpp
class DictLockReq {
friend class Dbdict;
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 3 );
enum LockType {
NoLock = 0,
NodeRestartLock = 1
};
private:
Uint32 userPtr;
Uint32 lockType;
Uint32 userRef;
};
class DictLockConf {
friend class Dbdict;
friend class Dbdih;
public:
STATIC_CONST( SignalLength = 3 );
private:
Uint32 userPtr;
Uint32 lockType;
Uint32 lockPtr;
};
class DictLockRef {
friend class Dbdict;
friend class Dbdih;
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;
public:
STATIC_CONST( SignalLength = 2 );
private:
Uint32 lockPtr;
Uint32 lockType;
};
#endif
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