MySQL 8.3.0
Source Code Documentation
psi_mdl.h
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef MYSQL_PSI_MDL_H
24#define MYSQL_PSI_MDL_H
25
26/**
27 @file include/mysql/psi/psi_mdl.h
28 Performance schema instrumentation interface.
29
30 @defgroup psi_abi_mdl Metadata Lock 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_MDL_VERSION_1
46 Performance Schema Metadata Lock Interface number for version 1.
47 Deprecated in MySQL 8.0.24
48*/
49#define PSI_MDL_VERSION_1 1
50
51/**
52 @def PSI_MDL_VERSION_2
53 Performance Schema Metadata Lock Interface number for version 2.
54 Introduced in MySQL 8.0.24
55 This version is supported.
56*/
57#define PSI_MDL_VERSION_2 2
58
59/**
60 @def PSI_CURRENT_MDL_VERSION
61 Performance Schema Metadata Lock Interface number for the most recent version.
62 The most current version is @c PSI_MDL_VERSION_2
63*/
64#define PSI_CURRENT_MDL_VERSION 2
65
66/** Entry point for the performance schema interface. */
68 /**
69 ABI interface finder.
70 Calling this method with an interface version number returns either
71 an instance of the ABI for this version, or NULL.
72 @sa PSI_MDL_VERSION_1
73 @sa PSI_MDL_VERSION_2
74 @sa PSI_CURRENT_MDL_VERSION
75 */
76 void *(*get_interface)(int version);
77};
79
80#ifdef HAVE_PSI_METADATA_INTERFACE
81
82/**
83 Performance Schema Metadata Lock Interface, version 1.
84 @since PSI_MDL_VERSION_1
85*/
92};
93
94/**
95 Performance Schema Metadata Lock Interface, version 2.
96 @since PSI_MDL_VERSION_2
97*/
101 /* Added in version 2. */
106};
107
109
111
112#endif /* HAVE_PSI_METADATA_INTERFACE */
113
114/** @} (end of group psi_abi_mdl) */
115
116#endif /* MYSQL_PSI_MDL_H */
void(* destroy_metadata_lock_v1_t)(PSI_metadata_lock *lock)
Definition: psi_mdl_bits.h:96
void(* end_metadata_wait_v1_t)(struct PSI_metadata_locker *locker, int rc)
Definition: psi_mdl_bits.h:102
struct PSI_metadata_locker *(* start_metadata_wait_v1_t)(struct PSI_metadata_locker_state_v1 *state, struct PSI_metadata_lock *mdl, const char *src_file, unsigned int src_line)
Definition: psi_mdl_bits.h:98
MYSQL_PLUGIN_IMPORT PSI_mdl_service_t * psi_mdl_service
Definition: psi_noop.cc:582
void(* set_metadata_lock_status_v1_t)(PSI_metadata_lock *lock, opaque_mdl_status mdl_status)
Definition: psi_mdl_bits.h:90
PSI_metadata_lock *(* create_metadata_lock_v1_t)(void *identity, const struct MDL_key *key, opaque_mdl_type mdl_type, opaque_mdl_duration mdl_duration, opaque_mdl_status mdl_status, const char *src_file, unsigned int src_line)
Definition: psi_mdl_bits.h:85
void(* set_metadata_lock_duration_v2_t)(PSI_metadata_lock *lock, opaque_mdl_duration mdl_duration)
Definition: psi_mdl_bits.h:93
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_mdl.h:67
Performance Schema Metadata Lock Interface, version 1.
Definition: psi_mdl.h:86
set_metadata_lock_status_v1_t set_metadata_lock_status
Definition: psi_mdl.h:88
create_metadata_lock_v1_t create_metadata_lock
Definition: psi_mdl.h:87
end_metadata_wait_v1_t end_metadata_wait
Definition: psi_mdl.h:91
start_metadata_wait_v1_t start_metadata_wait
Definition: psi_mdl.h:90
destroy_metadata_lock_v1_t destroy_metadata_lock
Definition: psi_mdl.h:89
Performance Schema Metadata Lock Interface, version 2.
Definition: psi_mdl.h:98
set_metadata_lock_duration_v2_t set_metadata_lock_duration
Definition: psi_mdl.h:102
create_metadata_lock_v1_t create_metadata_lock
Definition: psi_mdl.h:99
end_metadata_wait_v1_t end_metadata_wait
Definition: psi_mdl.h:105
start_metadata_wait_v1_t start_metadata_wait
Definition: psi_mdl.h:104
destroy_metadata_lock_v1_t destroy_metadata_lock
Definition: psi_mdl.h:103
set_metadata_lock_status_v1_t set_metadata_lock_status
Definition: psi_mdl.h:100