56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/* Copyright (c) 2008, 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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#ifndef CALLBACK_SIGNAL_HPP
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#define CALLBACK_SIGNAL_HPP
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#include "SignalData.hpp"
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#define JAM_FILE_ID 22
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/*
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* Callbacks via signals. The "Req" is done by a method call
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* so there is only "Conf" and optional "Ack".
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*/
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struct CallbackConf {
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STATIC_CONST( SignalLength = 6 );
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Uint32 senderData; // callee: e.g. lgman logfile_group_id
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Uint32 senderRef; // callee
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Uint32 callbackIndex; // caller: index into own CallbackTable passed in Req
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Uint32 callbackData; // caller: e.g. dbtup opPtr.i passed in Req
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Uint32 callbackInfo; // callee: anything, returned in CallbackAck
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Uint32 returnCode; // callee
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};
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struct CallbackAck {
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STATIC_CONST( SignalLength = 2 );
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Uint32 senderData; // from CallbackConf
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Uint32 callbackInfo; // from CallbackConf
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};
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#undef JAM_FILE_ID
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#endif
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