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| author | Sergey Vojtovich <svoj@mariadb.org> | 2014-12-02 14:54:30 +0400 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2014-12-05 11:01:49 +0400 |
| commit | b4ec230917a50cbc1e406f5175189c8359bcb9a0 (patch) | |
| tree | 1bc8664e0eccdab6c5e57a86ee76d02a200eb92c /sql/lock.h | |
| parent | 9bc5cec0f115d7d0c277a49b91b96109560280f4 (diff) | |
| download | mariadb-git-b4ec230917a50cbc1e406f5175189c8359bcb9a0.tar.gz | |
MDEV-7004 - Merge scalability fixes from 10.0-power
Preallocate locks on THD mem_root to avoid expensive malloc.
Diffstat (limited to 'sql/lock.h')
| -rw-r--r-- | sql/lock.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/lock.h b/sql/lock.h index ca2f267f3d5..341d7a20f9f 100644 --- a/sql/lock.h +++ b/sql/lock.h @@ -28,7 +28,8 @@ 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); -void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock, bool free_lock= 1); +void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock, bool free_lock); +void mysql_unlock_tables(THD *thd, MYSQL_LOCK *sql_lock); void mysql_unlock_read_tables(THD *thd, MYSQL_LOCK *sql_lock); void mysql_unlock_some_tables(THD *thd, TABLE **table,uint count); void mysql_lock_remove(THD *thd, MYSQL_LOCK *locked,TABLE *table); |