pfs_file_provider.h

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/* Copyright (c) 2012, 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.
 
  This program is designed to work with certain software (including
  but not limited to OpenSSL) that is licensed under separate terms,
  as designated in a particular file or component or in included license
  documentation.  The authors of MySQL hereby grant you an additional
  permission to link the program and your derivative works with the
  separately licensed software that they have either included with
  the program or referenced in the documentation.
 
  This program is distributed in the hope that it will be useful,
  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
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef PFS_FILE_PROVIDER_H
#define PFS_FILE_PROVIDER_H
 
/**
  @file include/pfs_file_provider.h
  Performance schema instrumentation (declarations).
*/
 
#include <sys/types.h>
 
/* HAVE_PSI_*_INTERFACE */
#include "my_psi_config.h"  // IWYU pragma: keep
 
#ifdef HAVE_PSI_FILE_INTERFACE
#if defined(MYSQL_SERVER) || defined(PFS_DIRECT_CALL)
#ifndef MYSQL_DYNAMIC_PLUGIN
#ifndef WITH_LOCK_ORDER
 
#include <stddef.h>
 
#include "my_inttypes.h"
#include "my_io.h"
#include "my_macros.h"
#include "mysql/psi/psi_file.h"
 
/*
  Naming current apis as _vc (version 'current'),
  to avoid changing the names every time
  psi_file_v<N> is replaced by psi_file_v<N+1>.
*/
 
#define PSI_FILE_CALL(M) pfs_##M##_vc
 
void pfs_register_file_vc(const char *category, PSI_file_info_v1 *info,
                          int count);
 
void pfs_create_file_vc(PSI_file_key key, const char *name, File file);
 
PSI_file_locker *pfs_get_thread_file_name_locker_vc(
    PSI_file_locker_state *state, PSI_file_key key, PSI_file_operation op,
    const char *name, const void *identity);
 
PSI_file_locker *pfs_get_thread_file_stream_locker_vc(
    PSI_file_locker_state *state, PSI_file *file, PSI_file_operation op);
 
PSI_file_locker *pfs_get_thread_file_descriptor_locker_vc(
    PSI_file_locker_state *state, File file, PSI_file_operation op);
 
void pfs_start_file_open_wait_vc(PSI_file_locker *locker, const char *src_file,
                                 uint src_line);
 
PSI_file *pfs_end_file_open_wait_vc(PSI_file_locker *locker, void *result);
 
void pfs_end_file_open_wait_and_bind_to_descriptor_vc(PSI_file_locker *locker,
                                                      File file);
 
void pfs_end_temp_file_open_wait_and_bind_to_descriptor_vc(
    PSI_file_locker *locker, File file, const char *filename);
 
void pfs_start_file_wait_vc(PSI_file_locker *locker, size_t count,
                            const char *src_file, uint src_line);
 
void pfs_end_file_wait_vc(PSI_file_locker *locker, size_t byte_count);
 
void pfs_start_file_close_wait_vc(PSI_file_locker *locker, const char *src_file,
                                  uint src_line);
 
void pfs_end_file_close_wait_vc(PSI_file_locker *locker, int rc);
 
void pfs_start_file_rename_wait_vc(PSI_file_locker *locker, size_t count,
                                   const char *old_name, const char *new_name,
                                   const char *src_file, uint src_line);
 
void pfs_end_file_rename_wait_vc(PSI_file_locker *locker, const char *old_name,
                                 const char *new_name, int rc);
 
#endif /* WITH_LOCK_ORDER */
#endif /* MYSQL_DYNAMIC_PLUGIN */
#endif /* MYSQL_SERVER || PFS_DIRECT_CALL */
#endif /* HAVE_PSI_FILE_INTERFACE */
 
#endif