MySQL 8.1.0
Source Code Documentation
psi_mutex.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
17 GNU General Public License, version 2.0, for more details.
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21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
22
23#ifndef MYSQL_PSI_MUTEX_H
24#define MYSQL_PSI_MUTEX_H
25
26/**
27 @file include/mysql/psi/psi_mutex.h
28 Performance schema instrumentation interface.
29
30 @defgroup psi_abi_mutex Mutex 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/** Entry point for the performance schema interface. */
46 /**
47 ABI interface finder.
48 Calling this method with an interface version number returns either
49 an instance of the ABI for this version, or NULL.
50 @sa PSI_MUTEX_VERSION_1
51 @sa PSI_MUTEX_VERSION_2
52 @sa PSI_CURRENT_MUTEX_VERSION
53 */
54 void *(*get_interface)(int version);
55};
56
57#ifdef HAVE_PSI_MUTEX_INTERFACE
58
59/**
60 Performance Schema Mutex Interface, version 1.
61 @since PSI_MUTEX_VERSION_1
62*/
64 /** @sa register_mutex_v1_t. */
66 /** @sa init_mutex_v1_t. */
68 /** @sa destroy_mutex_v1_t. */
70 /** @sa start_mutex_wait_v1_t. */
72 /** @sa end_mutex_wait_v1_t. */
74 /** @sa unlock_mutex_v1_t. */
76};
77
79
81
82#endif /* HAVE_PSI_MUTEX_INTERFACE */
83
84/** @} (end of group psi_abi_mutex) */
85
86#endif /* MYSQL_PSI_MUTEX_H */
struct PSI_mutex *(* init_mutex_v1_t)(PSI_mutex_key key, const void *identity)
Mutex instrumentation initialization API.
Definition: psi_mutex_bits.h:157
void(* end_mutex_wait_v1_t)(struct PSI_mutex_locker *locker, int rc)
Record a mutex instrumentation wait end event.
Definition: psi_mutex_bits.h:190
MYSQL_PLUGIN_IMPORT PSI_mutex_service_t * psi_mutex_service
Definition: psi_noop.cc:276
void(* destroy_mutex_v1_t)(struct PSI_mutex *mutex)
Mutex instrumentation destruction API.
Definition: psi_mutex_bits.h:164
void(* register_mutex_v1_t)(const char *category, struct PSI_mutex_info_v1 *info, int count)
Mutex registration API.
Definition: psi_mutex_bits.h:148
void(* unlock_mutex_v1_t)(struct PSI_mutex *mutex)
Record a mutex instrumentation unlock event.
Definition: psi_mutex_bits.h:170
struct PSI_mutex_locker *(* start_mutex_wait_v1_t)(struct PSI_mutex_locker_state_v1 *state, struct PSI_mutex *mutex, enum PSI_mutex_operation op, const char *src_file, unsigned int src_line)
Record a mutex instrumentation wait start event.
Definition: psi_mutex_bits.h:181
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
Instrumentation helpers for mutexes.
required uint64 version
Definition: replication_group_member_actions.proto:40
Entry point for the performance schema interface.
Definition: psi_mutex.h:45
Performance Schema Mutex Interface, version 1.
Definition: psi_mutex.h:63
init_mutex_v1_t init_mutex
Definition: psi_mutex.h:67
register_mutex_v1_t register_mutex
Definition: psi_mutex.h:65
unlock_mutex_v1_t unlock_mutex
Definition: psi_mutex.h:75
end_mutex_wait_v1_t end_mutex_wait
Definition: psi_mutex.h:73
start_mutex_wait_v1_t start_mutex_wait
Definition: psi_mutex.h:71
destroy_mutex_v1_t destroy_mutex
Definition: psi_mutex.h:69