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https://github.com/codership/wsrep-lib.git
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f83ca1917e
This change is needed for custom provider implementations to have a way to access the victim in the application context. Helper interface operation_context to pass caller context for service/provider callbacks in more type safe way.
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright (C) 2022 Codership Oy <info@codership.com>
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*
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* This file is part of wsrep-lib.
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*
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* Wsrep-lib 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, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Wsrep-lib 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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*
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* You should have received a copy of the GNU General Public License
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* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** @file operation_context.hpp
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*
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* A slightly more type safe way compared to void pointers to
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* pass operation contexts through wsrep-lib to callbacks.
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*/
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#ifndef WSREP_OPERATION_CONTEXT_HPP
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#define WSREP_OPERATION_CONTEXT_HPP
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namespace wsrep
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{
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struct operation_context
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{
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virtual ~operation_context() = default;
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};
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struct null_operation_context : operation_context
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{
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};
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} // namespace wsrep
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#endif /* WSREP_OPERATION_CONTEXT_HPP */
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