mariadb/storage/perfschema/pfs.h
2020-01-21 09:11:14 +01:00

47 lines
1.7 KiB
C

/* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
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 also distributed 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 included with MySQL.
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,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef PFS_H
#define PFS_H
/**
@file storage/perfschema/pfs.h
Performance schema instrumentation (declarations).
*/
#define HAVE_PSI_1
#include <my_pthread.h>
#include <mysql/psi/psi.h>
/**
Entry point to the performance schema implementation.
This singleton is used to discover the performance schema services.
*/
extern struct PSI_bootstrap PFS_bootstrap;
/** Performance schema Thread Local Storage key. */
extern pthread_key(PFS_thread*, THR_PFS);
/** True when @c THR_PFS is initialized. */
extern bool THR_PFS_initialized;
#endif