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/* Copyright (c) 2010, 2014, 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 as published by
the Free Software Foundation; version 2 of the License.
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 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, Suite 500, 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
@{
*/
/**
@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, int src_line)
{
if (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 (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