MySQL 8.1.0
Source Code Documentation
psi_rwlock.h
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1/* Copyright (c) 2008, 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.
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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.
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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.
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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_RWLOCK_H
24#define MYSQL_PSI_RWLOCK_H
25
26/**
27 @file include/mysql/psi/psi_rwlock.h
28 Performance schema instrumentation interface.
29
30 @defgroup psi_abi_rwlock Rwlock 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 MAINTAINER:
46 The following pattern:
47 typedef struct XYZ XYZ;
48 is not needed in C++, but required for C.
49*/
50
51/** Entry point for the performance schema interface. */
53 /**
54 ABI interface finder.
55 Calling this method with an interface version number returns either
56 an instance of the ABI for this version, or NULL.
57 @sa PSI_RWLOCK_VERSION_1
58 @sa PSI_RWLOCK_VERSION_2
59 @sa PSI_CURRENT_RWLOCK_VERSION
60 */
61 void *(*get_interface)(int version);
62};
64
65#ifdef HAVE_PSI_RWLOCK_INTERFACE
66
67/**
68 Performance Schema Rwlock Interface, version 2.
69 @since PSI_RWLOCK_VERSION_2
70*/
72 /** @sa register_rwlock_v1_t. */
74 /** @sa init_rwlock_v1_t. */
76 /** @sa destroy_rwlock_v1_t. */
78 /** @sa start_rwlock_rdwait_v1_t. */
80 /** @sa end_rwlock_rdwait_v1_t. */
82 /** @sa start_rwlock_wrwait_v1_t. */
84 /** @sa end_rwlock_wrwait_v1_t. */
86 /** @sa unlock_rwlock_v2_t. */
88};
89
91
93
94#endif /* HAVE_PSI_RWLOCK_INTERFACE */
95
96/** @} (end of group psi_abi_rwlock) */
97
98#endif /* MYSQL_PSI_RWLOCK_H */
struct PSI_rwlock_locker *(* start_rwlock_wrwait_v1_t)(struct PSI_rwlock_locker_state_v1 *state, struct PSI_rwlock *rwlock, enum PSI_rwlock_operation op, const char *src_file, unsigned int src_line)
Record a rwlock instrumentation write wait start event.
Definition: psi_rwlock_bits.h:266
void(* end_rwlock_rdwait_v1_t)(struct PSI_rwlock_locker *locker, int rc)
Record a rwlock instrumentation read wait end event.
Definition: psi_rwlock_bits.h:254
struct PSI_rwlock_locker *(* start_rwlock_rdwait_v1_t)(struct PSI_rwlock_locker_state_v1 *state, struct PSI_rwlock *rwlock, enum PSI_rwlock_operation op, const char *src_file, unsigned int src_line)
Record a rwlock instrumentation read wait start event.
Definition: psi_rwlock_bits.h:245
void(* destroy_rwlock_v1_t)(struct PSI_rwlock *rwlock)
Rwlock instrumentation destruction API.
Definition: psi_rwlock_bits.h:234
struct PSI_rwlock *(* init_rwlock_v1_t)(PSI_rwlock_key key, const void *identity)
Rwlock instrumentation initialization API.
Definition: psi_rwlock_bits.h:227
void(* end_rwlock_wrwait_v1_t)(struct PSI_rwlock_locker *locker, int rc)
Record a rwlock instrumentation write wait end event.
Definition: psi_rwlock_bits.h:275
void(* register_rwlock_v1_t)(const char *category, struct PSI_rwlock_info_v1 *info, int count)
Rwlock registration API.
Definition: psi_rwlock_bits.h:217
void(* unlock_rwlock_v2_t)(struct PSI_rwlock *rwlock, enum PSI_rwlock_operation op)
Record a rwlock instrumentation unlock event.
Definition: psi_rwlock_bits.h:289
MYSQL_PLUGIN_IMPORT PSI_rwlock_service_t * psi_rwlock_service
Definition: psi_noop.cc:320
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_rwlock.h:52
Performance Schema Rwlock Interface, version 2.
Definition: psi_rwlock.h:71
register_rwlock_v1_t register_rwlock
Definition: psi_rwlock.h:73
end_rwlock_rdwait_v1_t end_rwlock_rdwait
Definition: psi_rwlock.h:81
start_rwlock_rdwait_v1_t start_rwlock_rdwait
Definition: psi_rwlock.h:79
end_rwlock_wrwait_v1_t end_rwlock_wrwait
Definition: psi_rwlock.h:85
start_rwlock_wrwait_v1_t start_rwlock_wrwait
Definition: psi_rwlock.h:83
destroy_rwlock_v1_t destroy_rwlock
Definition: psi_rwlock.h:77
unlock_rwlock_v2_t unlock_rwlock
Definition: psi_rwlock.h:87
init_rwlock_v1_t init_rwlock
Definition: psi_rwlock.h:75