108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
/*
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Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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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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#define JAM_FILE_ID 133
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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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friend class Suma;
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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 // S-lock
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,NodeFailureLock = 2 // S-lock
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,SchemaTransLock = 3
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// non-trans op locks
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,CreateFileLock = 8
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,CreateFilegroupLock = 9
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,DropFileLock = 10
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,DropFilegroupLock = 11
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,SumaStartMe = 12
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,SumaHandOver = 13
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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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friend class Suma;
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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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friend class Suma;
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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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friend class Suma;
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public:
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STATIC_CONST( SignalLength = 4 );
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Uint32 lockPtr;
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Uint32 lockType;
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Uint32 senderData;
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Uint32 senderRef;
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};
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#undef JAM_FILE_ID
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#endif
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