psi_stage.h

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/* Copyright (c) 2008, 2025, Oracle and/or its affiliates.
 
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  it under the terms of the GNU General Public License, version 2.0,
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#ifndef MYSQL_PSI_STAGE_H
#define MYSQL_PSI_STAGE_H
 
/**
  @file include/mysql/psi/psi_stage.h
  Performance schema instrumentation interface.
 
  @defgroup psi_abi_stage Stage Instrumentation (ABI)
  @ingroup psi_abi
  @{
*/
 
#include "my_inttypes.h"
#include "my_macros.h"
 
/* HAVE_PSI_*_INTERFACE */
#include "my_psi_config.h"  // IWYU pragma: keep
 
#include "my_sharedlib.h"
#include "mysql/components/services/bits/psi_stage_bits.h"
 
/** Entry point for the performance schema interface. */
struct PSI_stage_bootstrap {
  /**
    ABI interface finder.
    Calling this method with an interface version number returns either
    an instance of the ABI for this version, or NULL.
    @sa PSI_STAGE_VERSION_1
    @sa PSI_STAGE_VERSION_2
    @sa PSI_CURRENT_STAGE_VERSION
  */
  void *(*get_interface)(int version);
};
 
#ifdef HAVE_PSI_STAGE_INTERFACE
 
/**
  Performance Schema Stage Interface, version 1.
  @since PSI_STAGE_VERSION_1
*/
struct PSI_stage_service_v1 {
  /** @sa register_stage_v1_t. */
  register_stage_v1_t register_stage;
  /** @sa start_stage_v1_t. */
  start_stage_v1_t start_stage;
  /** @sa get_current_stage_progress_v1_t. */
  get_current_stage_progress_v1_t get_current_stage_progress;
  /** @sa end_stage_v1_t. */
  end_stage_v1_t end_stage;
};
 
typedef struct PSI_stage_service_v1 PSI_stage_service_t;
 
extern MYSQL_PLUGIN_IMPORT PSI_stage_service_t *psi_stage_service;
 
#endif /* HAVE_PSI_STAGE_INTERFACE */
 
/** @} (end of group psi_abi_stage) */
 
#endif /* MYSQL_PSI_FILE_H */