Current File : //usr/include/mysql/mysql/service_thd_engine_lock.h
/* Copyright (c) 2015, 2023, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MYSQL_SERVICE_THD_EGINE_LOCK_INCLUDED
#define MYSQL_SERVICE_THD_EGINE_LOCK_INCLUDED
/**
@file include/mysql/service_thd_engine_lock.h
This service provides functions for storage engines to report
lock related activities.
SYNOPSIS
thd_row_lock_wait() - call it just when the engine find a transaction should wait
another transaction to realease a row lock
thd The session which is waiting for the row lock to release.
thd_wait_for The session which is holding the row lock.
*/
#ifdef __cplusplus
class THD;
#else
#define THD void
#endif
#ifdef __cplusplus
extern "C" {
#endif
void thd_report_row_lock_wait(THD* self, THD *wait_for);
#ifdef __cplusplus
}
#endif
#endif
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