MySQL 8.4.3
Source Code Documentation
mysql_mutex_bits.h
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23
24#ifndef COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H
25#define COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H
26
27/**
28 @file mysql/components/services/bits/mysql_mutex_bits.h
29 ABI for instrumented mutexes.
30*/
31
33
34/**
35 @defgroup psi_api_mutex Mutex Instrumentation (API)
36 @ingroup psi_api
37 @{
38*/
39
40/**
41 An instrumented mutex structure.
42 @c mysql_mutex_t is a drop-in replacement for @c my_mutex_t.
43 @sa mysql_mutex_assert_owner
44 @sa mysql_mutex_assert_not_owner
45 @sa mysql_mutex_init
46 @sa mysql_mutex_lock
47 @sa mysql_mutex_unlock
48 @sa mysql_mutex_destroy
49*/
51 /** The real mutex. */
53 /**
54 The instrumentation hook.
55 Note that this hook is not conditionally defined,
56 for binary compatibility of the @c mysql_mutex_t interface.
57 */
58 struct PSI_mutex *m_psi{nullptr};
59};
60
61/** @} (end of group psi_api_mutex) */
62
63#endif /* COMPONENTS_SERVICES_BITS_MYSQL_MUTEX_BITS_H */
Interface for an instrumented mutex.
Definition: psi_mutex_bits.h:97
Definition: thr_mutex_bits.h:61
An instrumented mutex structure.
Definition: mysql_mutex_bits.h:50
struct PSI_mutex * m_psi
The instrumentation hook.
Definition: mysql_mutex_bits.h:58
my_mutex_t m_mutex
The real mutex.
Definition: mysql_mutex_bits.h:52
ABI for thd_mutex.