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/* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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
separately licensed software that they have included with MySQL.
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
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MYSQL_PSI_SYSTEM_H
#define MYSQL_PSI_SYSTEM_H
/**
@file include/mysql/psi/psi_system.h
Performance schema instrumentation interface.
@defgroup psi_abi_system System Instrumentation (ABI)
@ingroup psi_abi
@{
*/
#include "my_inttypes.h"
#include "my_macros.h"
#include "my_psi_config.h" // IWYU pragma: keep
#include "my_sharedlib.h"
#include "mysql/components/services/psi_system_bits.h"
/**
@def PSI_SYSTEM_VERSION_1
Performance Schema System Interface number for version 1.
This version is supported.
*/
#define PSI_SYSTEM_VERSION_1 1
/**
@def PSI_CURRENT_SYSTEM_VERSION
Performance Schema System Interface number for the most recent version.
The most current version is @c PSI_SYSTEM_VERSION_1
*/
#define PSI_CURRENT_SYSTEM_VERSION 1
/** Entry point for the performance schema interface. */
struct PSI_system_bootstrap {
/**
ABI interface finder.
Calling this method with an interface version number returns either
an instance of the ABI for this version, or NULL.
@sa PSI_SYSTEM_VERSION_1
@sa PSI_CURRENT_SYSTEM_VERSION
*/
void *(*get_interface)(int version);
};
typedef struct PSI_system_bootstrap PSI_system_bootstrap;
#ifdef HAVE_PSI_SYSTEM_INTERFACE
/**
Performance Schema System Interface, version 1.
@since PSI_SYSTEM_VERSION_1
*/
struct PSI_system_service_v1 {
/** @sa unload_plugin_v1_t. */
unload_plugin_v1_t unload_plugin;
};
typedef struct PSI_system_service_v1 PSI_system_service_t;
extern MYSQL_PLUGIN_IMPORT PSI_system_service_t *psi_system_service;
#endif /* HAVE_PSI_SYSTEM_INTERFACE */
/** @} (end of group psi_abi_system) */
#endif /* MYSQL_PSI_SYSTEM_H */
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