My Project
lock.h
00001 /* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
00002 
00003    This program is free software; you can redistribute it and/or modify
00004    it under the terms of the GNU General Public License as published by
00005    the Free Software Foundation; version 2 of the License.
00006 
00007    This program is distributed in the hope that it will be useful,
00008    but WITHOUT ANY WARRANTY; without even the implied warranty of
00009    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00010    GNU General Public License for more details.
00011 
00012    You should have received a copy of the GNU General Public License
00013    along with this program; if not, write to the Free Software
00014    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
00015 
00016 #ifndef LOCK_INCLUDED
00017 #define LOCK_INCLUDED
00018 
00019 #include "thr_lock.h"                           /* thr_lock_type */
00020 #include "mdl.h"
00021 
00022 // Forward declarations
00023 struct TABLE;
00024 struct TABLE_LIST;
00025 class THD;
00026 typedef struct st_mysql_lock MYSQL_LOCK;
00027 
00028 
00029 MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **table, uint count, uint flags);
00030 void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock);
00031 void mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock);
00032 void mysql_unlock_some_tables(THD *thd, TABLE **table,uint count);
00033 void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table);
00034 void mysql_lock_abort(THD *thd, TABLE *table, bool upgrade_lock);
00035 bool mysql_lock_abort_for_thread(THD *thd, TABLE *table);
00036 MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a,MYSQL_LOCK *b);
00037 /* Lock based on name */
00038 bool lock_schema_name(THD *thd, const char *db);
00039 /* Lock based on stored routine name */
00040 bool lock_object_name(THD *thd, MDL_key::enum_mdl_namespace mdl_type,
00041                       const char *db, const char *name);
00042 
00043 #endif /* LOCK_INCLUDED */
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