psi_transaction.h

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/* Copyright (c) 2008, 2025, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License, version 2.0, for more details.
 
  You should have received a copy of the GNU General Public License
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  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef MYSQL_PSI_TRANSACTION_H
#define MYSQL_PSI_TRANSACTION_H
 
/**
  @file include/mysql/psi/psi_transaction.h
  Performance schema instrumentation interface.
 
  @defgroup psi_abi_transaction Transaction 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_transaction_bits.h"
 
/**
  @def PSI_TRANSACTION_VERSION_1
  Performance Schema Transaction Interface number for version 1.
  This version is supported.
*/
#define PSI_TRANSACTION_VERSION_1 1
 
/**
  @def PSI_CURRENT_TRANSACTION_VERSION
  Performance Schema Transaction Interface number for the most recent version.
  The most current version is @c PSI_TRANSACTION_VERSION_1
*/
#define PSI_CURRENT_TRANSACTION_VERSION 1
 
/** Entry point for the performance schema interface. */
struct PSI_transaction_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_TRANSACTION_VERSION_1
    @sa PSI_TRANSACTION_VERSION_2
    @sa PSI_CURRENT_TRANSACTION_VERSION
  */
  void *(*get_interface)(int version);
};
typedef struct PSI_transaction_bootstrap PSI_transaction_bootstrap;
 
#ifdef HAVE_PSI_TRANSACTION_INTERFACE
 
/**
  Performance Schema Transaction Interface, version 1.
  @since PSI_TRANSACTION_VERSION_1
*/
struct PSI_transaction_service_v1 {
  /** @sa get_thread_transaction_locker_v1_t. */
  get_thread_transaction_locker_v1_t get_thread_transaction_locker;
  /** @sa start_transaction_v1_t. */
  start_transaction_v1_t start_transaction;
  /** @sa set_transaction_xid_v1_t. */
  set_transaction_xid_v1_t set_transaction_xid;
  /** @sa set_transaction_xa_state_v1_t. */
  set_transaction_xa_state_v1_t set_transaction_xa_state;
  /** @sa set_transaction_gtid_v1_t. */
  set_transaction_gtid_v1_t set_transaction_gtid;
  /** @sa set_transaction_trxid_v1_t. */
  set_transaction_trxid_v1_t set_transaction_trxid;
  /** @sa inc_transaction_savepoints_v1_t. */
  inc_transaction_savepoints_v1_t inc_transaction_savepoints;
  /** @sa inc_transaction_rollback_to_savepoint_v1_t. */
  inc_transaction_rollback_to_savepoint_v1_t
      inc_transaction_rollback_to_savepoint;
  /** @sa inc_transaction_release_savepoint_v1_t. */
  inc_transaction_release_savepoint_v1_t inc_transaction_release_savepoint;
  /** @sa end_transaction_v1_t. */
  end_transaction_v1_t end_transaction;
};
 
typedef struct PSI_transaction_service_v1 PSI_transaction_service_t;
 
extern MYSQL_PLUGIN_IMPORT PSI_transaction_service_t *psi_transaction_service;
 
#endif /* HAVE_PSI_TRANSACTION_INTERFACE */
 
/** @} (end of group psi_abi_transaction) */
 
#endif /* MYSQL_PSI_TRANSACTION_H */