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------------------------------------------------------------
revno: 2630.4.33
committer: Dmitry Lenev <dlenev@mysql.com>
branch nick: mysql-6.0-3726-w2
timestamp: Fri 2008-06-20 17:11:20 +0400
message:
  WL#3726 "DDL locking for all metadata objects".

  After-review fixes in progress.

  Minimized dependency of mdl.cc on other modules (particularly
  made it independant of mysql_priv.h) in order to be able
  write unit tests for metadata locking subsystem.
This commit is contained in:
Konstantin Osipov
2009-12-02 19:31:57 +03:00
parent 0a49fd92d9
commit edddfa0ef4
8 changed files with 120 additions and 55 deletions
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8
sql/sql_base.cc
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@ -1275,7 +1275,7 @@ close_all_tables_for_name(THD *thd, TABLE_SHARE *share,
/*
We need to hold LOCK_open while changing the open_tables
list, since another thread may work on it.
@sa notify_thread_having_shared_lock()
@sa mysql_notify_thread_having_shared_lock()
*/
pthread_mutex_lock(&LOCK_open);
@ -1455,7 +1455,7 @@ void close_thread_tables(THD *thd,
/*
Note that we need to hold LOCK_open while changing the
open_tables list. Another thread may work on it.
(See: notify_thread_having_shared_lock())
(See: mysql_notify_thread_having_shared_lock())
Closing a MERGE child before the parent would be fatal if the
other thread tries to abort the MERGE lock in between.
*/
@ -7956,7 +7956,7 @@ void flush_tables()
rest of the server is broken.
*/
bool notify_thread_having_shared_lock(THD *thd, THD *in_use)
bool mysql_notify_thread_having_shared_lock(THD *thd, THD *in_use)
{
bool signalled= FALSE;
if ((in_use->system_thread & SYSTEM_THREAD_DELAYED_INSERT) &&
@ -8501,7 +8501,7 @@ void close_performance_schema_table(THD *thd, Open_tables_state *backup)
/*
Note that we need to hold LOCK_open while changing the
open_tables list. Another thread may work on it.
(See: notify_thread_having_shared_lock())
(See: mysql_notify_thread_having_shared_lock())
Closing a MERGE child before the parent would be fatal if the
other thread tries to abort the MERGE lock in between.
*/