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dict0stats_bg.h
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1 /*****************************************************************************
2 
3 Copyright (c) 2012, 2013, Oracle and/or its affiliates. All Rights Reserved.
4 
5 This program is free software; you can redistribute it and/or modify it under
6 the terms of the GNU General Public License as published by the Free Software
7 Foundation; version 2 of the License.
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9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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13 You should have received a copy of the GNU General Public License along with
14 this program; if not, write to the Free Software Foundation, Inc.,
15 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
16 
17 *****************************************************************************/
18 
19 /**************************************************/
26 #ifndef dict0stats_bg_h
27 #define dict0stats_bg_h
28 
29 #include "univ.i"
30 
31 #include "dict0types.h" /* dict_table_t, table_id_t */
32 #include "os0sync.h" /* os_event_t */
33 #include "os0thread.h" /* DECLARE_THREAD */
34 
36 extern os_event_t dict_stats_event;
37 
38 /*****************************************************************/
44 UNIV_INTERN
45 void
46 dict_stats_recalc_pool_add(
47 /*=======================*/
48  const dict_table_t* table);
50 /*****************************************************************/
53 UNIV_INTERN
54 void
55 dict_stats_recalc_pool_del(
56 /*=======================*/
57  const dict_table_t* table);
62 #define DICT_STATS_BG_YIELD(trx) do { \
63  row_mysql_unlock_data_dictionary(trx); \
64  os_thread_sleep(250000); \
65  row_mysql_lock_data_dictionary(trx); \
66 } while (0)
67 
68 /*****************************************************************/
72 UNIV_INLINE
73 bool
74 dict_stats_stop_bg(
75 /*===============*/
76  dict_table_t* table)
77  __attribute__((warn_unused_result));
78 
79 /*****************************************************************/
88 UNIV_INTERN
89 void
90 dict_stats_wait_bg_to_stop_using_table(
91 /*===================================*/
92  dict_table_t* table,
93  trx_t* trx);
95 /*****************************************************************/
98 UNIV_INTERN
99 void
100 dict_stats_thread_init();
101 /*====================*/
102 
103 /*****************************************************************/
106 UNIV_INTERN
107 void
108 dict_stats_thread_deinit();
109 /*======================*/
110 
111 /*****************************************************************/
116 extern "C" UNIV_INTERN
117 os_thread_ret_t
118 DECLARE_THREAD(dict_stats_thread)(
119 /*==============================*/
120  void* arg);
123 # ifndef UNIV_NONINL
124 # include "dict0stats_bg.ic"
125 # endif
126 
127 #endif /* dict0stats_bg_h */