mirror of
https://github.com/MariaDB/server.git
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77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef DICT_LOCK_HPP
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#define DICT_LOCK_HPP
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#include "SignalData.hpp"
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// see comments in Dbdict.hpp
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class DictLockReq {
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friend class Dbdict;
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friend class Dbdih;
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public:
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STATIC_CONST( SignalLength = 3 );
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enum LockType {
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NoLock = 0,
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NodeRestartLock = 1
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};
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private:
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Uint32 userPtr;
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Uint32 lockType;
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Uint32 userRef;
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};
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class DictLockConf {
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friend class Dbdict;
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friend class Dbdih;
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public:
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STATIC_CONST( SignalLength = 3 );
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private:
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Uint32 userPtr;
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Uint32 lockType;
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Uint32 lockPtr;
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};
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class DictLockRef {
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friend class Dbdict;
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friend class Dbdih;
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public:
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STATIC_CONST( SignalLength = 3 );
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enum ErrorCode {
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NotMaster = 1,
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InvalidLockType = 2,
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BadUserRef = 3,
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TooLate = 4,
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TooManyRequests = 5
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};
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private:
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Uint32 userPtr;
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Uint32 lockType;
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Uint32 errorCode;
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};
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class DictUnlockOrd {
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friend class Dbdict;
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friend class Dbdih;
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public:
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STATIC_CONST( SignalLength = 2 );
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private:
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Uint32 lockPtr;
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Uint32 lockType;
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};
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#endif
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