143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef MYSQL_TABLE_H
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#define MYSQL_TABLE_H
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/**
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@file mysql/psi/mysql_table.h
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Instrumentation helpers for table io.
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*/
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#include "mysql/psi/psi.h"
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#ifndef PSI_TABLE_CALL
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#define PSI_TABLE_CALL(M) PSI_DYNAMIC_CALL(M)
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#endif
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/**
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@defgroup Table_instrumentation Table Instrumentation
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@ingroup Instrumentation_interface
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@{
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*/
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/**
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@def MYSQL_TABLE_WAIT_VARIABLES
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Instrumentation helper for table waits.
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This instrumentation declares local variables.
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Do not use a ';' after this macro
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@param LOCKER the locker
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@param STATE the locker state
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@sa MYSQL_START_TABLE_IO_WAIT.
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@sa MYSQL_END_TABLE_IO_WAIT.
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@sa MYSQL_START_TABLE_LOCK_WAIT.
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@sa MYSQL_END_TABLE_LOCK_WAIT.
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*/
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#ifdef HAVE_PSI_TABLE_INTERFACE
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#define MYSQL_TABLE_WAIT_VARIABLES(LOCKER, STATE) \
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struct PSI_table_locker* LOCKER; \
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PSI_table_locker_state STATE;
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#else
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#define MYSQL_TABLE_WAIT_VARIABLES(LOCKER, STATE)
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#endif
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/**
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@def MYSQL_START_TABLE_LOCK_WAIT
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Instrumentation helper for table lock waits.
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This instrumentation marks the start of a wait event.
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@param LOCKER the locker
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@param STATE the locker state
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@param PSI the instrumented table
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@param OP the table operation to be performed
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@param FLAGS per table operation flags.
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@sa MYSQL_END_TABLE_LOCK_WAIT.
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*/
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#ifdef HAVE_PSI_TABLE_INTERFACE
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#define MYSQL_START_TABLE_LOCK_WAIT(LOCKER, STATE, PSI, OP, FLAGS) \
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LOCKER= inline_mysql_start_table_lock_wait(STATE, PSI, \
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OP, FLAGS, __FILE__, __LINE__)
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#else
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#define MYSQL_START_TABLE_LOCK_WAIT(LOCKER, STATE, PSI, OP, FLAGS) \
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do {} while (0)
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#endif
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/**
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@def MYSQL_END_TABLE_LOCK_WAIT
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Instrumentation helper for table lock waits.
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This instrumentation marks the end of a wait event.
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@param LOCKER the locker
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@sa MYSQL_START_TABLE_LOCK_WAIT.
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*/
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#ifdef HAVE_PSI_TABLE_INTERFACE
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#define MYSQL_END_TABLE_LOCK_WAIT(LOCKER) \
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inline_mysql_end_table_lock_wait(LOCKER)
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#else
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#define MYSQL_END_TABLE_LOCK_WAIT(LOCKER) \
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do {} while (0)
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#endif
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#ifdef HAVE_PSI_TABLE_INTERFACE
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#define MYSQL_UNLOCK_TABLE(T) \
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inline_mysql_unlock_table(T)
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#else
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#define MYSQL_UNLOCK_TABLE(T) \
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do {} while (0)
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#endif
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#ifdef HAVE_PSI_TABLE_INTERFACE
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/**
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Instrumentation calls for MYSQL_START_TABLE_LOCK_WAIT.
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@sa MYSQL_END_TABLE_LOCK_WAIT.
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*/
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static inline struct PSI_table_locker *
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inline_mysql_start_table_lock_wait(PSI_table_locker_state *state,
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struct PSI_table *psi,
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enum PSI_table_lock_operation op,
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ulong flags, const char *src_file, int src_line)
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{
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if (psi != NULL)
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{
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struct PSI_table_locker *locker;
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locker= PSI_TABLE_CALL(start_table_lock_wait)
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(state, psi, op, flags, src_file, src_line);
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return locker;
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}
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return NULL;
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}
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/**
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Instrumentation calls for MYSQL_END_TABLE_LOCK_WAIT.
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@sa MYSQL_START_TABLE_LOCK_WAIT.
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*/
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static inline void
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inline_mysql_end_table_lock_wait(struct PSI_table_locker *locker)
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{
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if (locker != NULL)
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PSI_TABLE_CALL(end_table_lock_wait)(locker);
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}
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static inline void
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inline_mysql_unlock_table(struct PSI_table *table)
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{
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if (table != NULL)
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PSI_TABLE_CALL(unlock_table)(table);
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}
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#endif
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/** @} (end of group Table_instrumentation) */
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#endif
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