MySQL  8.0.16
Source Code Documentation
psi_system.h
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22 
23 #ifndef MYSQL_PSI_SYSTEM_H
24 #define MYSQL_PSI_SYSTEM_H
25 
26 /**
27  @file include/mysql/psi/psi_system.h
28  Performance schema instrumentation interface.
29 
30  @defgroup psi_abi_system System Instrumentation (ABI)
31  @ingroup psi_abi
32  @{
33 */
34 
35 #include "my_inttypes.h"
36 #include "my_macros.h"
37 #include "my_psi_config.h" // IWYU pragma: keep
38 #include "my_sharedlib.h"
40 
41 /**
42  @def PSI_SYSTEM_VERSION_1
43  Performance Schema System Interface number for version 1.
44  This version is supported.
45 */
46 #define PSI_SYSTEM_VERSION_1 1
47 
48 /**
49  @def PSI_CURRENT_SYSTEM_VERSION
50  Performance Schema System Interface number for the most recent version.
51  The most current version is @c PSI_SYSTEM_VERSION_1
52 */
53 #define PSI_CURRENT_SYSTEM_VERSION 1
54 
55 /** Entry point for the performance schema interface. */
57  /**
58  ABI interface finder.
59  Calling this method with an interface version number returns either
60  an instance of the ABI for this version, or NULL.
61  @sa PSI_SYSTEM_VERSION_1
62  @sa PSI_CURRENT_SYSTEM_VERSION
63  */
64  void *(*get_interface)(int version);
65 };
67 
68 #ifdef HAVE_PSI_SYSTEM_INTERFACE
69 
70 /**
71  Performance Schema System Interface, version 1.
72  @since PSI_SYSTEM_VERSION_1
73 */
75  /** @sa unload_plugin_v1_t. */
77 };
78 
80 
82 
83 #endif /* HAVE_PSI_SYSTEM_INTERFACE */
84 
85 /** @} (end of group psi_abi_system) */
86 
87 #endif /* MYSQL_PSI_SYSTEM_H */
Some common macros.
Some integer typedefs for easier portability.
#define MYSQL_PLUGIN_IMPORT
Definition: my_sharedlib.h:70
void(* unload_plugin_v1_t)(const char *plugin_name)
System event - plugin unload event.
Definition: psi_system_bits.h:38
Functions related to handling of plugins and other dynamically loaded libraries.
Performance Schema System Interface, version 1.
Definition: psi_system.h:74
Defines various enable/disable and HAVE_ macros related to the performance schema instrumentation sys...
const string version("\ersion\)
MYSQL_PLUGIN_IMPORT PSI_system_service_t * psi_system_service
Definition: psi_noop.cc:934
Entry point for the performance schema interface.
Definition: psi_system.h:56
Performance schema instrumentation interface.
unload_plugin_v1_t unload_plugin
Definition: psi_system.h:76