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MDEV-8931: (server part of) session state tracking

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This commit is contained in:
Oleksandr Byelkin
2016-05-30 21:22:50 +02:00
parent c8948b0d0d
commit 0ee3e64c55
32 changed files with 1173 additions and 270 deletions
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4
sql/sql_plugin.cc
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@ -323,8 +323,6 @@ static void unlock_variables(THD *thd, struct system_variables *vars);
static void cleanup_variables(struct system_variables *vars);
static void plugin_vars_free_values(sys_var *vars);
static void restore_ptr_backup(uint n, st_ptr_backup *backup);
#define my_intern_plugin_lock(A,B) intern_plugin_lock(A,B)
#define my_intern_plugin_lock_ci(A,B) intern_plugin_lock(A,B)
static plugin_ref intern_plugin_lock(LEX *lex, plugin_ref plugin);
static void intern_plugin_unlock(LEX *lex, plugin_ref plugin);
static void reap_plugins(void);
@ -2806,7 +2804,7 @@ sys_var *find_sys_var_ex(THD *thd, const char *str, size_t length,
{
mysql_rwlock_unlock(&LOCK_system_variables_hash);
LEX *lex= thd ? thd->lex : 0;
if (!(plugin= my_intern_plugin_lock(lex, plugin_int_to_ref(pi->plugin))))
if (!(plugin= intern_plugin_lock(lex, plugin_int_to_ref(pi->plugin))))
var= NULL; /* failed to lock it, it must be uninstalling */
else
if (!(plugin_state(plugin) & PLUGIN_IS_READY))