1 files changed, 54 insertions, 0 deletions
diff --git a/sql/lock.h b/sql/lock.h
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--- /dev/null
+++ b/sql/lock.h
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+/* Copyright (c) 2010, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
+
+#ifndef LOCK_INCLUDED
+#define LOCK_INCLUDED
+
+#include "thr_lock.h"                           /* thr_lock_type */
+#include "mdl.h"
+
+// Forward declarations
+struct TABLE;
+struct TABLE_LIST;
+class THD;
+typedef struct st_mysql_lock MYSQL_LOCK;
+
+
+MYSQL_LOCK *mysql_lock_tables(THD *thd, TABLE **table, uint count, uint flags);
+bool mysql_lock_tables(THD *thd, MYSQL_LOCK *sql_lock, uint flags);
+int mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock, bool free_lock);
+int mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock);
+int mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock);
+int mysql_unlock_some_tables(THD *thd, TABLE **table,uint count, uint flag);
+int mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table);
+bool mysql_lock_abort_for_thread(THD *thd, TABLE *table);
+MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a, MYSQL_LOCK *b, THD *thd= NULL);
+/* Lock based on name */
+bool lock_schema_name(THD *thd, const char *db);
+/* Lock based on stored routine name */
+bool lock_object_name(THD *thd, MDL_key::enum_mdl_namespace mdl_type,
+                      const char *db, const char *name);
+
+/* flags for get_lock_data */
+#define GET_LOCK_UNLOCK         0
+#define GET_LOCK_STORE_LOCKS    1
+#define GET_LOCK_ACTION_MASK    1
+#define GET_LOCK_ON_THD         (1 << 1)
+#define GET_LOCK_SKIP_SEQUENCES (1 << 2)
+
+MYSQL_LOCK *get_lock_data(THD *thd, TABLE **table_ptr, uint count, uint flags);
+void reset_lock_data(MYSQL_LOCK *sql_lock, bool unlock);
+
+#endif /* LOCK_INCLUDED */