Commit 41b9884d authored by unknown's avatar unknown

Merge jamppa@bk-internal.mysql.com:/home/bk/mysql-5.0

into  a193-229-222-105.elisa-laajakaista.fi:/home/jani/mysql-5.0

parents 7b2a3d50 37511b3b
......@@ -1653,6 +1653,15 @@ int fetch_master_table(THD *thd, const char *db_name, const char *table_name,
if (connect_to_master(thd, mysql, mi))
{
my_error(ER_CONNECT_TO_MASTER, MYF(0), mysql_error(mysql));
/*
We need to clear the active VIO since, theoretically, somebody
might issue an awake() on this thread. If we are then in the
middle of closing and destroying the VIO inside the
mysql_close(), we will have a problem.
*/
#ifdef SIGNAL_WITH_VIO_CLOSE
thd->clear_active_vio();
#endif
mysql_close(mysql);
DBUG_RETURN(1);
}
......@@ -3709,6 +3718,17 @@ err:
VOID(pthread_mutex_unlock(&LOCK_thread_count));
if (mysql)
{
/*
Here we need to clear the active VIO before closing the
connection with the master. The reason is that THD::awake()
might be called from terminate_slave_thread() because somebody
issued a STOP SLAVE. If that happends, the close_active_vio()
can be called in the middle of closing the VIO associated with
the 'mysql' object, causing a crash.
*/
#ifdef SIGNAL_WITH_VIO_CLOSE
thd->clear_active_vio();
#endif
mysql_close(mysql);
mi->mysql=0;
}
......
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