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| author | Alexey Botchkov <holyfoot@askmonty.org> | 2020-08-11 00:01:53 +0400 |
|---|---|---|
| committer | Alexey Botchkov <holyfoot@askmonty.org> | 2020-08-11 00:01:53 +0400 |
| commit | 19bdb03e97d6f760699cd718e11f71e01c268f5e (patch) | |
| tree | 3399b856c7bc246e3faec3cb1aad40badac8764a /sql/sql_plugin.h | |
| parent | 0041dacc1b8e85e1958355d1cfdc36055b05a884 (diff) | |
| download | mariadb-git-bb-mdev21211-hf.tar.gz | |
MDEV-21211 LOCK_plugin optimization.bb-mdev21211-hf
Use Apc_target calls to 'notify' threads about changes in plugins.
Diffstat (limited to 'sql/sql_plugin.h')
| -rw-r--r-- | sql/sql_plugin.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sql/sql_plugin.h b/sql/sql_plugin.h index c9c75d07a6e..3258f14a0ab 100644 --- a/sql/sql_plugin.h +++ b/sql/sql_plugin.h @@ -113,8 +113,8 @@ struct st_plugin_int st_ptr_backup *ptr_backup; uint nbackups; uint state; - uint ref_count; /* number of threads using the plugin */ - uint locks_total; /* how many times the plugin was locked */ + volatile int32 ref_count; /* number of threads using the plugin */ + volatile int32 locks_total; /* how many times the plugin was locked */ void *data; /* plugin type specific, e.g. handlerton */ MEM_ROOT mem_root; /* memory for dynamic plugin structures */ sys_var *system_vars; /* server variables for this plugin */ @@ -182,7 +182,6 @@ extern void plugin_thdvar_init(THD *thd); extern void plugin_thdvar_cleanup(THD *thd); sys_var *find_plugin_sysvar(st_plugin_int *plugin, st_mysql_sys_var *var); void plugin_opt_set_limits(struct my_option *, const struct st_mysql_sys_var *); -extern SHOW_COMP_OPTION plugin_status(const char *name, size_t len, int type); extern bool check_valid_path(const char *path, size_t length); extern void plugin_mutex_init(); |