MySQL  8.0.28
Source Code Documentation
psi_mdl_bits.h File Reference

Performance schema instrumentation interface. More...

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Classes

struct  PSI_metadata_locker_state_v1
 State data storage for start_metadata_wait_v1_t. More...
 

Typedefs

typedef int opaque_mdl_type
 
typedef int opaque_mdl_duration
 
typedef int opaque_mdl_status
 
typedef struct PSI_metadata_lock PSI_metadata_lock
 
typedef struct PSI_metadata_locker PSI_metadata_locker
 
typedef struct PSI_metadata_locker_state_v1 PSI_metadata_locker_state_v1
 
typedef 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)
 
typedef void(* set_metadata_lock_status_v1_t) (PSI_metadata_lock *lock, opaque_mdl_status mdl_status)
 
typedef void(* set_metadata_lock_duration_v2_t) (PSI_metadata_lock *lock, opaque_mdl_duration mdl_duration)
 
typedef void(* destroy_metadata_lock_v1_t) (PSI_metadata_lock *lock)
 
typedef 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)
 
typedef void(* end_metadata_wait_v1_t) (struct PSI_metadata_locker *locker, int rc)
 
typedef struct PSI_metadata_locker_state_v1 PSI_metadata_locker_state
 

Detailed Description

Performance schema instrumentation interface.