/* Copyright (c) 2011, 2023, Oracle and/or its affiliates
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_IDLE_H
#define MYSQL_IDLE_H
/**
@ file mysql / psi / mysql_idle . h
Instrumentation helpers for idle waits .
*/
#include "mysql/psi/psi.h"
#ifndef PSI_IDLE_CALL
#define PSI_IDLE_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
/**
@ defgroup Idle_instrumentation Idle Instrumentation
@ ingroup Instrumentation_interface
@ {
*/
/**
@ def MYSQL_START_IDLE_WAIT
Instrumentation helper for table io_waits .
This instrumentation marks the start of a wait event .
@ param LOCKER the locker
@ param STATE the locker state
@ sa MYSQL_END_IDLE_WAIT .
*/
#ifdef HAVE_PSI_IDLE_INTERFACE
#define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
LOCKER= inline_mysql_start_idle_wait(STATE, __FILE__, __LINE__)
#else
#define MYSQL_START_IDLE_WAIT(LOCKER, STATE) \
do {} while (0 )
#endif
/**
@ def MYSQL_END_IDLE_WAIT
Instrumentation helper for idle waits .
This instrumentation marks the end of a wait event .
@ param LOCKER the locker
@ sa MYSQL_START_IDLE_WAIT .
*/
#ifdef HAVE_PSI_IDLE_INTERFACE
#define MYSQL_END_IDLE_WAIT(LOCKER) \
inline_mysql_end_idle_wait(LOCKER)
#else
#define MYSQL_END_IDLE_WAIT(LOCKER) \
do {} while (0 )
#endif
#ifdef HAVE_PSI_IDLE_INTERFACE
/**
Instrumentation calls for MYSQL_START_IDLE_WAIT .
@ sa MYSQL_END_IDLE_WAIT .
*/
static inline struct PSI_idle_locker *
inline_mysql_start_idle_wait(PSI_idle_locker_state *state,
const char *src_file, uint src_line)
{
struct PSI_idle_locker *locker;
locker= PSI_IDLE_CALL(start_idle_wait)(state, src_file, src_line);
return locker;
}
/**
Instrumentation calls for MYSQL_END_IDLE_WAIT .
@ sa MYSQL_START_IDLE_WAIT .
*/
static inline void
inline_mysql_end_idle_wait(struct PSI_idle_locker *locker)
{
if (psi_likely(locker != NULL))
PSI_IDLE_CALL(end_idle_wait)(locker);
}
#endif
/** @} (end of group Idle_instrumentation) */
#endif
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