69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/* Copyright (c) 2018, 2021, Alibaba 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/PolarDB-X Engine hereby grant you an
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additional permission to link the program and your derivative works with the
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separately licensed software that they have included with
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MySQL/PolarDB-X Engine.
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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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/** @file include/lizard0mtr.h
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Lizard mtr wrapper.
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Created 2020-05-28 by Jianwei.zhao
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*******************************************************/
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#ifndef lizard0mtr_h
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#define lizard0mtr_h
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struct mtr_t;
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struct trx_t;
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namespace lizard {
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class Mtr_wrapper {
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public:
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Mtr_wrapper(mtr_t *mtr);
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~Mtr_wrapper();
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void start();
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lsn_t commit();
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private:
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mtr_t *m_mtr;
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bool m_started;
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};
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class Trx_rseg_mutex_wrapper {
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public:
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Trx_rseg_mutex_wrapper(trx_t *trx);
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~Trx_rseg_mutex_wrapper();
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void release_mutex();
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bool txn_rseg_updated() const { return m_txn_rseg_locked; }
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bool redo_rseg_updated() const { return m_redo_rseg_locked; }
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bool temp_rseg_updated() const { return m_temp_rseg_locked; }
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private:
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trx_t *m_trx;
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bool m_txn_rseg_locked;
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bool m_redo_rseg_locked;
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bool m_temp_rseg_locked;
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};
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} // namespace lizard
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#endif // lizard0mtr_h
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