/* Copyright (c) 2010, 2023, Oracle and/or its affiliates. All rights reserved.
Copyright ( c ) 2017 , 2019 , MariaDB Corporation .
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 MYSQL_TABLE_H
#define MYSQL_TABLE_H
/**
@ file mysql / psi / mysql_table . h
Instrumentation helpers for table io .
*/
#include "mysql/psi/psi.h"
#ifndef PSI_TABLE_CALL
#define PSI_TABLE_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
/**
@ defgroup Table_instrumentation Table Instrumentation
@ ingroup Instrumentation_interface
@ {
*/
#ifdef HAVE_PSI_TABLE_INTERFACE
#define MYSQL_UNBIND_TABLE(handler) (handler)->unbind_psi()
#define PSI_CALL_unbind_table PSI_TABLE_CALL(unbind_table)
#define PSI_CALL_rebind_table PSI_TABLE_CALL(rebind_table)
#define PSI_CALL_open_table PSI_TABLE_CALL(open_table)
#define PSI_CALL_close_table PSI_TABLE_CALL(close_table)
#define PSI_CALL_get_table_share PSI_TABLE_CALL(get_table_share)
#define PSI_CALL_release_table_share PSI_TABLE_CALL(release_table_share)
#define PSI_CALL_drop_table_share PSI_TABLE_CALL(drop_table_share)
#else
#define MYSQL_UNBIND_TABLE(handler) do { } while (0 )
#define PSI_CALL_unbind_table(A1) do { } while (0 )
#define PSI_CALL_rebind_table(A1,A2,A3) NULL
#define PSI_CALL_close_table(A1,A2) do { } while (0 )
#define PSI_CALL_open_table(A1,A2) NULL
#define PSI_CALL_get_table_share(A1,A2) NULL
#define PSI_CALL_release_table_share(A1) do { } while (0 )
#define PSI_CALL_drop_table_share(A1,A2,A3,A4,A5) do { } while (0 )
#endif
/**
@ def MYSQL_TABLE_WAIT_VARIABLES
Instrumentation helper for table waits .
This instrumentation declares local variables .
Do not use a ' ; ' after this macro
@ param LOCKER the locker
@ param STATE the locker state
@ sa MYSQL_START_TABLE_IO_WAIT .
@ sa MYSQL_END_TABLE_IO_WAIT .
@ sa MYSQL_START_TABLE_LOCK_WAIT .
@ sa MYSQL_END_TABLE_LOCK_WAIT .
*/
#ifdef HAVE_PSI_TABLE_INTERFACE
#define MYSQL_TABLE_WAIT_VARIABLES(LOCKER, STATE) \
struct PSI_table_locker* LOCKER; \
PSI_table_locker_state STATE;
#else
#define MYSQL_TABLE_WAIT_VARIABLES(LOCKER, STATE)
#endif
/**
@ def MYSQL_START_TABLE_LOCK_WAIT
Instrumentation helper for table lock waits .
This instrumentation marks the start of a wait event .
@ param LOCKER the locker
@ param STATE the locker state
@ param PSI the instrumented table
@ param OP the table operation to be performed
@ param FLAGS per table operation flags .
@ sa MYSQL_END_TABLE_LOCK_WAIT .
*/
#ifdef HAVE_PSI_TABLE_INTERFACE
#define MYSQL_START_TABLE_LOCK_WAIT(LOCKER, STATE, PSI, OP, FLAGS) \
LOCKER= inline_mysql_start_table_lock_wait(STATE, PSI, \
OP, FLAGS, __FILE__, __LINE__)
#else
#define MYSQL_START_TABLE_LOCK_WAIT(LOCKER, STATE, PSI, OP, FLAGS) \
do {} while (0 )
#endif
/**
@ def MYSQL_END_TABLE_LOCK_WAIT
Instrumentation helper for table lock waits .
This instrumentation marks the end of a wait event .
@ param LOCKER the locker
@ sa MYSQL_START_TABLE_LOCK_WAIT .
*/
#ifdef HAVE_PSI_TABLE_INTERFACE
#define MYSQL_END_TABLE_LOCK_WAIT(LOCKER) \
inline_mysql_end_table_lock_wait(LOCKER)
#else
#define MYSQL_END_TABLE_LOCK_WAIT(LOCKER) \
do {} while (0 )
#endif
#ifdef HAVE_PSI_TABLE_INTERFACE
#define MYSQL_UNLOCK_TABLE(T) \
inline_mysql_unlock_table(T)
#else
#define MYSQL_UNLOCK_TABLE(T) \
do {} while (0 )
#endif
#ifdef HAVE_PSI_TABLE_INTERFACE
/**
Instrumentation calls for MYSQL_START_TABLE_LOCK_WAIT .
@ sa MYSQL_END_TABLE_LOCK_WAIT .
*/
static inline struct PSI_table_locker *
inline_mysql_start_table_lock_wait(PSI_table_locker_state *state,
struct PSI_table *psi,
enum PSI_table_lock_operation op,
ulong flags, const char *src_file, uint src_line)
{
if (psi_likely(psi != NULL))
{
struct PSI_table_locker *locker;
locker= PSI_TABLE_CALL(start_table_lock_wait)
(state, psi, op, flags, src_file, src_line);
return locker;
}
return NULL;
}
/**
Instrumentation calls for MYSQL_END_TABLE_LOCK_WAIT .
@ sa MYSQL_START_TABLE_LOCK_WAIT .
*/
static inline void
inline_mysql_end_table_lock_wait(struct PSI_table_locker *locker)
{
if (psi_likely(locker != NULL))
PSI_TABLE_CALL(end_table_lock_wait)(locker);
}
static inline void
inline_mysql_unlock_table(struct PSI_table *table)
{
if (table != NULL)
PSI_TABLE_CALL(unlock_table)(table);
}
#endif
/** @} (end of group Table_instrumentation) */
#endif
Messung V0.5 in Prozent C=96 H=21 G=69
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-10)
¤
*© Formatika GbR, Deutschland