MySQL 8.0.29
Source Code Documentation
mysql_mutex_bits.h
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1/* Copyright (c) 2008, 2022, Oracle and/or its affiliates.
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22
23#ifndef COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H
24#define COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H
25
26/**
27 @file mysql/components/services/bits/mysql_mutex_bits.h
28 ABI for instrumented mutexes.
29*/
30
32
33/**
34 @defgroup psi_api_mutex Mutex Instrumentation (API)
35 @ingroup psi_api
36 @{
37*/
38
39/**
40 An instrumented mutex structure.
41 @c mysql_mutex_t is a drop-in replacement for @c my_mutex_t.
42 @sa mysql_mutex_assert_owner
43 @sa mysql_mutex_assert_not_owner
44 @sa mysql_mutex_init
45 @sa mysql_mutex_lock
46 @sa mysql_mutex_unlock
47 @sa mysql_mutex_destroy
48*/
50 /** The real mutex. */
52 /**
53 The instrumentation hook.
54 Note that this hook is not conditionally defined,
55 for binary compatibility of the @c mysql_mutex_t interface.
56 */
57 struct PSI_mutex *m_psi{nullptr};
58};
59
60/** @} (end of group psi_api_mutex) */
61
62#endif /* COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H */
Interface for an instrumented mutex.
Definition: psi_mutex_bits.h:96
Definition: thr_mutex_bits.h:60
An instrumented mutex structure.
Definition: mysql_mutex_bits.h:49
struct PSI_mutex * m_psi
The instrumentation hook.
Definition: mysql_mutex_bits.h:57
my_mutex_t m_mutex
The real mutex.
Definition: mysql_mutex_bits.h:51
ABI for thd_mutex.