53 lines
2.0 KiB
C++
53 lines
2.0 KiB
C++
/*****************************************************************************
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Copyright (c) 2018, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
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for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/** @file handler/p_s.h
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InnoDB performance_schema tables interface to MySQL.
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*******************************************************/
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#ifndef p_s_h
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#define p_s_h
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#include "mysql/psi/psi_data_lock.h"
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/** Inspect data locks in innodb.
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This class is used by the performance schema to extract lock data.
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*/
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class Innodb_data_lock_inspector : public PSI_engine_data_lock_inspector {
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public:
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Innodb_data_lock_inspector();
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~Innodb_data_lock_inspector();
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virtual PSI_engine_data_lock_iterator *create_data_lock_iterator();
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virtual PSI_engine_data_lock_wait_iterator *create_data_lock_wait_iterator();
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virtual void destroy_data_lock_iterator(PSI_engine_data_lock_iterator *it);
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virtual void destroy_data_lock_wait_iterator(
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PSI_engine_data_lock_wait_iterator *it);
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};
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#endif /* p_s_h */
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