84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/* Copyright (c) 2008, 2019, 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 MYSQL_PSI_MUTEX_H
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#define MYSQL_PSI_MUTEX_H
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/**
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@file include/mysql/psi/psi_mutex.h
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Performance schema instrumentation interface.
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@defgroup psi_abi_mutex Mutex Instrumentation (ABI)
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@ingroup psi_abi
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@{
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*/
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#include "my_inttypes.h"
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#include "my_macros.h"
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#include "my_psi_config.h" // IWYU pragma: keep
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#include "my_sharedlib.h"
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#include "mysql/components/services/psi_mutex_bits.h"
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/** Entry point for the performance schema interface. */
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struct PSI_mutex_bootstrap {
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/**
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ABI interface finder.
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Calling this method with an interface version number returns either
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an instance of the ABI for this version, or NULL.
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@sa PSI_MUTEX_VERSION_1
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@sa PSI_MUTEX_VERSION_2
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@sa PSI_CURRENT_MUTEX_VERSION
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*/
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void *(*get_interface)(int version);
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};
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#ifdef HAVE_PSI_MUTEX_INTERFACE
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/**
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Performance Schema Mutex Interface, version 1.
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@since PSI_MUTEX_VERSION_1
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*/
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struct PSI_mutex_service_v1 {
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/** @sa register_mutex_v1_t. */
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register_mutex_v1_t register_mutex;
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/** @sa init_mutex_v1_t. */
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init_mutex_v1_t init_mutex;
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/** @sa destroy_mutex_v1_t. */
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destroy_mutex_v1_t destroy_mutex;
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/** @sa start_mutex_wait_v1_t. */
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start_mutex_wait_v1_t start_mutex_wait;
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/** @sa end_mutex_wait_v1_t. */
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end_mutex_wait_v1_t end_mutex_wait;
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/** @sa unlock_mutex_v1_t. */
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unlock_mutex_v1_t unlock_mutex;
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};
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typedef struct PSI_mutex_service_v1 PSI_mutex_service_t;
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extern MYSQL_PLUGIN_IMPORT PSI_mutex_service_t *psi_mutex_service;
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#endif /* HAVE_PSI_MUTEX_INTERFACE */
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/** @} (end of group psi_abi_mutex) */
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#endif /* MYSQL_PSI_MUTEX_H */
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