/* -*- c-basic-offset: 2 -*- */
/*
Copyright ( C ) 2012 Kouhei Sutou < kou @ clear - code . com >
This library is free software ; you can redistribute it and / or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation ; either
version 2 . 1 of the License , or ( at your option ) any later version .
This library 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
Lesser General Public License for more details .
You should have received a copy of the GNU Lesser General Public
License along with this library ; if not , write to the Free Software
Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1335 USA
*/
#include "mrn_auto_increment_value_lock.hpp"
#if MYSQL_VERSION_ID >= 50500
# define AUTO_INCREMENT_VALUE_MUTEX(table_share) (&(table_share->LOCK_ha_data))
#else
# define AUTO_INCREMENT_VALUE_MUTEX(table_share) (&(table_share->mutex))
#endif
namespace mrn {
AutoIncrementValueLock::AutoIncrementValueLock(TABLE_SHARE *table_share)
: table_share_(table_share),
need_lock_(table_share_->tmp_table == NO_TMP_TABLE) {
if (need_lock_) {
mysql_mutex_lock(AUTO_INCREMENT_VALUE_MUTEX(table_share_));
}
}
AutoIncrementValueLock::~AutoIncrementValueLock() {
if (need_lock_) {
mysql_mutex_unlock(AUTO_INCREMENT_VALUE_MUTEX(table_share_));
}
}
}
Messung V0.5 in Prozent C=96 H=100 G=97
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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