MySQL 8.2.0
Source Code Documentation
psi_system.h
Go to the documentation of this file.
1/* Copyright (c) 2018, 2023, Oracle and/or its affiliates.
2
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License, version 2.0,
5 as published by the Free Software Foundation.
6
7 This program is also distributed with certain software (including
8 but not limited to OpenSSL) that is licensed under separate terms,
9 as designated in a particular file or component or in included license
10 documentation. The authors of MySQL hereby grant you an additional
11 permission to link the program and your derivative works with the
12 separately licensed software that they have included with MySQL.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License, version 2.0, for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef MYSQL_PSI_SYSTEM_H
24#define MYSQL_PSI_SYSTEM_H
25
26/**
27 @file include/mysql/psi/psi_system.h
28 Performance schema instrumentation interface.
29
30 @defgroup psi_abi_system System Instrumentation (ABI)
31 @ingroup psi_abi
32 @{
33*/
34
35#include "my_inttypes.h"
36#include "my_macros.h"
37
38/* HAVE_PSI_*_INTERFACE */
39#include "my_psi_config.h" // IWYU pragma: keep
40
41#include "my_sharedlib.h"
43
44/**
45 @def PSI_SYSTEM_VERSION_1
46 Performance Schema System Interface number for version 1.
47 This version is supported.
48*/
49#define PSI_SYSTEM_VERSION_1 1
50
51/**
52 @def PSI_CURRENT_SYSTEM_VERSION
53 Performance Schema System Interface number for the most recent version.
54 The most current version is @c PSI_SYSTEM_VERSION_1
55*/
56#define PSI_CURRENT_SYSTEM_VERSION 1
57
58/** Entry point for the performance schema interface. */
60 /**
61 ABI interface finder.
62 Calling this method with an interface version number returns either
63 an instance of the ABI for this version, or NULL.
64 @sa PSI_SYSTEM_VERSION_1
65 @sa PSI_CURRENT_SYSTEM_VERSION
66 */
67 void *(*get_interface)(int version);
68};
70
71#ifdef HAVE_PSI_SYSTEM_INTERFACE
72
73/**
74 Performance Schema System Interface, version 1.
75 @since PSI_SYSTEM_VERSION_1
76*/
78 /** @sa unload_plugin_v1_t. */
80};
81
83
85
86#endif /* HAVE_PSI_SYSTEM_INTERFACE */
87
88/** @} (end of group psi_abi_system) */
89
90#endif /* MYSQL_PSI_SYSTEM_H */
void(* unload_plugin_v1_t)(const char *plugin_name)
System event - plugin unload event.
Definition: psi_system_bits.h:38
MYSQL_PLUGIN_IMPORT PSI_system_service_t * psi_system_service
Definition: psi_noop.cc:987
Some integer typedefs for easier portability.
Some common macros.
Defines various enable/disable and HAVE_ macros related to the performance schema instrumentation sys...
Functions related to handling of plugins and other dynamically loaded libraries.
#define MYSQL_PLUGIN_IMPORT
Definition: my_sharedlib.h:70
Performance schema instrumentation interface.
required uint64 version
Definition: replication_group_member_actions.proto:40
Entry point for the performance schema interface.
Definition: psi_system.h:59
Performance Schema System Interface, version 1.
Definition: psi_system.h:77
unload_plugin_v1_t unload_plugin
Definition: psi_system.h:79