1
0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00

Merge with 5.1

This commit is contained in:
Michael Widenius
2011-06-24 12:13:03 +03:00
9 changed files with 397 additions and 189 deletions

View File

@@ -1432,15 +1432,23 @@ int plugin_init(int *argc, char **argv, int flags)
if (register_builtin(plugin, &tmp, &plugin_ptr))
goto err_unlock;
/* only initialize MyISAM and CSV at this stage */
if (!(is_myisam=
!my_strcasecmp(&my_charset_latin1, plugin->name, "MyISAM")) &&
my_strcasecmp(&my_charset_latin1, plugin->name, "CSV"))
continue;
is_myisam= !my_strcasecmp(&my_charset_latin1, plugin->name, "MyISAM");
if (plugin_ptr->state == PLUGIN_IS_UNINITIALIZED &&
plugin_initialize(plugin_ptr))
goto err_unlock;
/*
strictly speaking, we should to initialize all plugins,
even for mysqld --help, because important subsystems
may be disabled otherwise, and the help will be incomplete.
For example, if the mysql.plugin table is not MyISAM.
But for now it's an unlikely corner case, and to optimize
mysqld --help for all other users, we will only initialize
MyISAM here.
*/
if (!(flags & PLUGIN_INIT_SKIP_INITIALIZATION) || is_myisam)
{
if (plugin_ptr->state == PLUGIN_IS_UNINITIALIZED &&
plugin_initialize(plugin_ptr))
goto err_unlock;
}
/*
initialize the global default storage engine so that it may
@@ -1650,13 +1658,6 @@ static void plugin_load(MEM_ROOT *tmp_root, int *argc, char **argv)
goto end;
}
table->use_all_columns();
/*
there're no other threads running yet, so we don't need a mutex.
but plugin_add() before is designed to work in multi-threaded
environment, and it uses safe_mutex_assert_owner(), so we lock
the mutex here to satisfy the assert
*/
pthread_mutex_lock(&LOCK_plugin);
while (!(error= read_record_info.read_record(&read_record_info)))
{
DBUG_PRINT("info", ("init plugin record"));
@@ -1667,12 +1668,19 @@ static void plugin_load(MEM_ROOT *tmp_root, int *argc, char **argv)
LEX_STRING name= {(char *)str_name.ptr(), str_name.length()};
LEX_STRING dl= {(char *)str_dl.ptr(), str_dl.length()};
/*
there're no other threads running yet, so we don't need a mutex.
but plugin_add() before is designed to work in multi-threaded
environment, and it uses safe_mutex_assert_owner(), so we lock
the mutex here to satisfy the assert
*/
pthread_mutex_lock(&LOCK_plugin);
if (plugin_add(tmp_root, &name, &dl, argc, argv, REPORT_TO_LOG))
sql_print_warning("Couldn't load plugin named '%s' with soname '%s'.",
str_name.c_ptr(), str_dl.c_ptr());
free_root(tmp_root, MYF(MY_MARK_BLOCKS_FREE));
pthread_mutex_unlock(&LOCK_plugin);
}
pthread_mutex_unlock(&LOCK_plugin);
if (error > 0)
sql_print_error(ER(ER_GET_ERRNO), my_errno);
end_read_record(&read_record_info);