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Bug #10600

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remove_table_from_cache fails to signal other thread and gets
blocked when other thread also gets blocked


include/thr_lock.h:
  Report if any threads was signalled
mysys/thr_lock.c:
  Report if any threads was signalled
sql/lock.cc:
  Report if any threads was signalled
  Use new interface for remove_table_from_cache
sql/mysql_priv.h:
  New interface for remove_table_from_cache
  + mysql_lock_abort_for_thread
sql/sql_base.cc:
  Use new interface of remove_table_cache
  Rewrote remove_table_from_cache to fix bug
sql/sql_table.cc:
  Use new interface of remove_table_from_cache
This commit is contained in:
unknown
2005-07-19 00:29:19 +02:00
parent 5c27ff06c7
commit 6d29b23b15
6 changed files with 133 additions and 77 deletions
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7
sql/mysql_priv.h
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@ -606,8 +606,11 @@ bool rename_temporary_table(THD* thd, TABLE *table, const char *new_db,
const char *table_name);
void remove_db_from_cache(const my_string db);
void flush_tables();
#define OWNED_BY_THD_FLAG 1
#define WAIT_OTHER_THREAD_FLAG 2
#define CHECK_KILLED_FLAG 4
bool remove_table_from_cache(THD *thd, const char *db, const char *table,
bool return_if_owned_by_thd=0);
uint flags);
bool close_cached_tables(THD *thd, bool wait_for_refresh, TABLE_LIST *tables);
void copy_field_from_tmp_record(Field *field,int offset);
int fill_record(List<Item> &fields,List<Item> &values, bool ignore_errors);
@ -776,7 +779,7 @@ 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);
void mysql_lock_abort(THD *thd, TABLE *table);
void mysql_lock_abort_for_thread(THD *thd, TABLE *table);
bool mysql_lock_abort_for_thread(THD *thd, TABLE *table);
MYSQL_LOCK *mysql_lock_merge(MYSQL_LOCK *a,MYSQL_LOCK *b);
bool lock_global_read_lock(THD *thd);
void unlock_global_read_lock(THD *thd);