1
1
/*****************************************************************************
3
Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
3
Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
4
4
Copyright (c) 2008, Google Inc.
5
Copyright (c) 2009, Percona Inc.
7
6
Portions of this file contain modifications contributed and copyrighted by
8
7
Google, Inc. Those modifications are gratefully acknowledged and are described
10
9
incorporated with their permission, and subject to the conditions contained in
11
10
the file COPYING.Google.
13
Portions of this file contain modifications contributed and copyrighted
14
by Percona Inc.. Those modifications are
15
gratefully acknowledged and are described briefly in the InnoDB
16
documentation. The contributions by Percona Inc. are incorporated with
17
their permission, and subject to the conditions contained in the file
20
12
This program is free software; you can redistribute it and/or modify it under
21
13
the terms of the GNU General Public License as published by the Free Software
22
14
Foundation; version 2 of the License.
26
18
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
28
20
You should have received a copy of the GNU General Public License along with
29
this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
30
St, Fifth Floor, Boston, MA 02110-1301 USA
21
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
22
Place, Suite 330, Boston, MA 02111-1307 USA
32
24
*****************************************************************************/
25
/***********************************************************************
27
Copyright (c) 1995, 2009, Innobase Oy. All Rights Reserved.
28
Copyright (c) 2009, Percona Inc.
30
Portions of this file contain modifications contributed and copyrighted
31
by Percona Inc.. Those modifications are
32
gratefully acknowledged and are described briefly in the InnoDB
33
documentation. The contributions by Percona Inc. are incorporated with
34
their permission, and subject to the conditions contained in the file
37
This program is free software; you can redistribute it and/or modify it
38
under the terms of the GNU General Public License as published by the
39
Free Software Foundation; version 2 of the License.
41
This program is distributed in the hope that it will be useful, but
42
WITHOUT ANY WARRANTY; without even the implied warranty of
43
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
44
Public License for more details.
46
You should have received a copy of the GNU General Public License along
47
with this program; if not, write to the Free Software Foundation, Inc.,
48
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
50
***********************************************************************/
34
52
/********************************************************************//**
35
53
@file srv/srv0start.c
129
143
static ulint ios;
131
145
/** io_handler_thread parameters for thread identification */
132
static ulint n[SRV_MAX_N_IO_THREADS + 6];
146
static ulint n[SRV_MAX_N_IO_THREADS + 5];
133
147
/** io_handler_thread identifiers */
134
static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 6];
148
static os_thread_id_t thread_ids[SRV_MAX_N_IO_THREADS + 5];
136
150
/** We use this mutex to test the return value of pthread_mutex_trylock
137
151
on successful locking. HP-UX does NOT return 0, though Linux et al do. */
145
159
#define SRV_N_PENDING_IOS_PER_THREAD OS_AIO_N_PENDING_IOS_PER_THREAD
146
160
#define SRV_MAX_N_PENDING_SYNC_IOS 100
148
#ifdef UNIV_PFS_THREAD
149
/* Keys to register InnoDB threads with performance schema */
150
UNIV_INTERN mysql_pfs_key_t io_handler_thread_key;
151
UNIV_INTERN mysql_pfs_key_t srv_lock_timeout_thread_key;
152
UNIV_INTERN mysql_pfs_key_t srv_error_monitor_thread_key;
153
UNIV_INTERN mysql_pfs_key_t srv_monitor_thread_key;
154
UNIV_INTERN mysql_pfs_key_t srv_master_thread_key;
155
#endif /* UNIV_PFS_THREAD */
157
#ifdef UNIV_PFS_MUTEX
158
/* Key to register ios_mutex_key with performance schema */
159
UNIV_INTERN mysql_pfs_key_t ios_mutex_key;
160
#endif /* UNIV_PFS_MUTEX */
162
163
/*********************************************************************//**
163
164
Convert a numeric string that optionally ends in G or M, to a number
486
488
fprintf(stderr, "Io handler thread %lu starts, id %lu\n", segment,
487
489
os_thread_pf(os_thread_get_curr_id()));
490
#ifdef UNIV_PFS_THREAD
491
pfs_register_thread(io_handler_thread_key);
492
#endif /* UNIV_PFS_THREAD */
494
while (srv_shutdown_state != SRV_SHUTDOWN_EXIT_THREADS) {
495
492
fil_aio_wait(segment);
497
494
mutex_enter(&ios_mutex);
499
496
mutex_exit(&ios_mutex);
502
thr_local_free(os_thread_get_curr_id());
504
499
/* We count the number of threads in os_thread_exit(). A created
505
500
thread should always use that to exit and not use return() to exit.
506
501
The thread actually never comes here because it is exited in an
507
502
os_event_wait(). */
503
#if (!defined(__SUNPRO_C) && !defined(__SUNPRO_CC))
510
507
#endif /* !UNIV_HOTBACKUP */
534
/*********************************************************************//**
535
Adds a slash or a backslash to the end of a string if it is missing
536
and the string is not empty.
537
@return string which has the separator if the string is not empty */
540
srv_add_path_separator_if_needed(
541
/*=============================*/
542
char* str) /*!< in: null-terminated character string */
545
ulint len = ut_strlen(str);
547
if (len == 0 || str[len - 1] == SRV_PATH_SEPARATOR) {
552
out_str = ut_malloc(len + 2);
553
memcpy(out_str, str, len);
554
out_str[len] = SRV_PATH_SEPARATOR;
555
out_str[len + 1] = 0;
537
560
#ifndef UNIV_HOTBACKUP
538
561
/*********************************************************************//**
539
562
Calculates the low 32 bits when a file size which is given as a number
584
607
char name[10000];
587
609
UT_NOT_USED(create_new_db);
589
611
*log_file_created = FALSE;
591
613
srv_normalize_path_for_win(srv_log_group_home_dirs[k]);
593
dirnamelen = strlen(srv_log_group_home_dirs[k]);
594
ut_a(dirnamelen < (sizeof name) - 10 - sizeof "ib_logfile");
595
memcpy(name, srv_log_group_home_dirs[k], dirnamelen);
597
/* Add a path separator if needed. */
598
if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) {
599
name[dirnamelen++] = SRV_PATH_SEPARATOR;
602
sprintf(name + dirnamelen, "%s%lu", "ib_logfile", (ulong) i);
604
files[i] = os_file_create(innodb_file_log_key, name,
605
OS_FILE_CREATE, OS_FILE_NORMAL,
614
srv_log_group_home_dirs[k] = srv_add_path_separator_if_needed(
615
srv_log_group_home_dirs[k]);
617
ut_a(strlen(srv_log_group_home_dirs[k])
618
< (sizeof name) - 10 - sizeof "ib_logfile");
619
sprintf(name, "%s%s%lu", srv_log_group_home_dirs[k],
620
"ib_logfile", (ulong) i);
622
files[i] = os_file_create(name, OS_FILE_CREATE, OS_FILE_NORMAL,
606
623
OS_LOG_FILE, &ret);
607
624
if (ret == FALSE) {
608
625
if (os_file_get_last_error(FALSE) != OS_FILE_ALREADY_EXISTS
620
637
return(DB_ERROR);
623
files[i] = os_file_create(innodb_file_log_key, name,
624
OS_FILE_OPEN, OS_FILE_AIO,
640
files[i] = os_file_create(name, OS_FILE_OPEN, OS_FILE_AIO,
625
641
OS_LOG_FILE, &ret);
764
780
*create_new_db = FALSE;
766
782
srv_normalize_path_for_win(srv_data_home);
783
srv_data_home = srv_add_path_separator_if_needed(srv_data_home);
768
785
for (i = 0; i < srv_n_data_files; i++) {
771
786
srv_normalize_path_for_win(srv_data_file_names[i]);
772
dirnamelen = strlen(srv_data_home);
774
ut_a(dirnamelen + strlen(srv_data_file_names[i])
788
ut_a(strlen(srv_data_home) + strlen(srv_data_file_names[i])
775
789
< (sizeof name) - 1);
776
memcpy(name, srv_data_home, dirnamelen);
777
/* Add a path separator if needed. */
778
if (dirnamelen && name[dirnamelen - 1] != SRV_PATH_SEPARATOR) {
779
name[dirnamelen++] = SRV_PATH_SEPARATOR;
782
strcpy(name + dirnamelen, srv_data_file_names[i]);
790
sprintf(name, "%s%s", srv_data_home, srv_data_file_names[i]);
784
792
if (srv_data_file_is_raw_partition[i] == 0) {
786
794
/* First we try to create the file: if it already
787
795
exists, ret will get value FALSE */
789
files[i] = os_file_create(innodb_file_data_key,
790
name, OS_FILE_CREATE,
797
files[i] = os_file_create(name, OS_FILE_CREATE,
792
799
OS_DATA_FILE, &ret);
814
821
srv_start_raw_disk_in_use = TRUE;
815
822
srv_created_new_raw = TRUE;
817
files[i] = os_file_create(innodb_file_data_key,
818
name, OS_FILE_OPEN_RAW,
824
files[i] = os_file_create(name, OS_FILE_OPEN_RAW,
820
826
OS_DATA_FILE, &ret);
849
855
if (srv_data_file_is_raw_partition[i] == SRV_OLD_RAW) {
850
856
files[i] = os_file_create(
851
innodb_file_data_key,
852
857
name, OS_FILE_OPEN_RAW,
853
858
OS_FILE_NORMAL, OS_DATA_FILE, &ret);
854
859
} else if (i == 0) {
855
860
files[i] = os_file_create(
856
innodb_file_data_key,
857
861
name, OS_FILE_OPEN_RETRY,
858
862
OS_FILE_NORMAL, OS_DATA_FILE, &ret);
860
864
files[i] = os_file_create(
861
innodb_file_data_key,
862
865
name, OS_FILE_OPEN, OS_FILE_NORMAL,
863
866
OS_DATA_FILE, &ret);
1004
mutex_create(ios_mutex_key, &ios_mutex, SYNC_NO_ORDER_CHECK);
1007
mutex_create(&ios_mutex, SYNC_NO_ORDER_CHECK);
1006
1009
return(DB_SUCCESS);
1009
/********************************************************************
1012
/****************************************************************//**
1010
1013
Starts InnoDB and creates a new database if database files
1011
1014
are not found and the user wants.
1012
1015
@return DB_SUCCESS or error code */
1080
1084
#ifdef UNIV_IBUF_DEBUG
1081
1085
fprintf(stderr,
1082
1086
"InnoDB: !!!!!!!! UNIV_IBUF_DEBUG switched on !!!!!!!!!\n"
1083
# ifdef UNIV_IBUF_COUNT_DEBUG
1084
"InnoDB: !!!!!!!! UNIV_IBUF_COUNT_DEBUG switched on !!!!!!!!!\n"
1085
"InnoDB: Crash recovery will fail with UNIV_IBUF_COUNT_DEBUG\n"
1087
"InnoDB: Crash recovery will fail with UNIV_IBUF_DEBUG\n");
1090
1090
#ifdef UNIV_SYNC_DEBUG
1097
1097
"InnoDB: !!!!!!!! UNIV_SEARCH_DEBUG switched on !!!!!!!!!\n");
1100
#ifdef UNIV_LOG_LSN_DEBUG
1102
"InnoDB: !!!!!!!! UNIV_LOG_LSN_DEBUG switched on !!!!!!!!!\n");
1103
#endif /* UNIV_LOG_LSN_DEBUG */
1104
1100
#ifdef UNIV_MEM_DEBUG
1105
1101
fprintf(stderr,
1106
1102
"InnoDB: !!!!!!!! UNIV_MEM_DEBUG switched on !!!!!!!!!\n");
1111
1107
"InnoDB: The InnoDB memory heap is disabled\n");
1114
fputs("InnoDB: " IB_ATOMICS_STARTUP_MSG
1115
"\nInnoDB: Compressed tables use zlib " ZLIB_VERSION
1116
#ifdef UNIV_ZIP_DEBUG
1118
#endif /* UNIV_ZIP_DEBUG */
1119
#ifdef UNIV_ZIP_COPY
1120
" and extra copying"
1121
#endif /* UNIV_ZIP_COPY */
1110
#ifdef HAVE_GCC_ATOMIC_BUILTINS
1111
# ifdef INNODB_RW_LOCKS_USE_ATOMICS
1113
"InnoDB: Mutexes and rw_locks use GCC atomic builtins.\n");
1114
# else /* INNODB_RW_LOCKS_USE_ATOMICS */
1116
"InnoDB: Mutexes use GCC atomic builtins, rw_locks do not.\n");
1117
# endif /* INNODB_RW_LOCKS_USE_ATOMICS */
1118
#elif defined(HAVE_SOLARIS_ATOMICS)
1119
# ifdef INNODB_RW_LOCKS_USE_ATOMICS
1121
"InnoDB: Mutexes and rw_locks use Solaris atomic functions.\n");
1124
"InnoDB: Mutexes use Solaris atomic functions.\n");
1125
# endif /* INNODB_RW_LOCKS_USE_ATOMICS */
1126
#elif defined(HAVE_WINDOWS_ATOMICS)
1127
# ifdef INNODB_RW_LOCKS_USE_ATOMICS
1129
"InnoDB: Mutexes and rw_locks use Windows interlocked functions.\n");
1132
"InnoDB: Mutexes use Windows interlocked functions.\n");
1133
# endif /* INNODB_RW_LOCKS_USE_ATOMICS */
1134
#else /* HAVE_GCC_ATOMIC_BUILTINS */
1136
"InnoDB: Neither mutexes nor rw_locks use GCC atomic builtins.\n");
1137
#endif /* HAVE_GCC_ATOMIC_BUILTINS */
1125
1139
/* Since InnoDB does not currently clean up all its internal data
1126
1140
structures in MySQL Embedded Server Library server_end(), we
1130
1144
if (srv_start_has_been_called) {
1131
1145
fprintf(stderr,
1132
"InnoDB: Error: startup called second time"
1146
"InnoDB: Error:startup called second time"
1133
1147
" during the process lifetime.\n"
1134
1148
"InnoDB: In the MySQL Embedded Server Library"
1135
1149
" you cannot call server_init()\n"
1157
1172
but when run in conjunction with InnoDB Hot Backup, it seemed
1158
1173
to corrupt the data files. */
1160
srv_use_native_aio = FALSE;
1165
/* On 2000 and XP, async IO is available. */
1166
srv_use_native_aio = TRUE;
1175
os_aio_use_native_aio = FALSE;
1170
/* Vista and later have both async IO and condition variables */
1171
srv_use_native_aio = TRUE;
1172
srv_use_native_conditions = TRUE;
1178
/* On Win 2000 and XP use async i/o */
1179
os_aio_use_native_aio = TRUE;
1176
#elif defined(LINUX_NATIVE_AIO)
1178
if (srv_use_native_aio) {
1179
ut_print_timestamp(stderr);
1181
" InnoDB: Using Linux native AIO\n");
1184
/* Currently native AIO is supported only on windows and linux
1185
and that also when the support is compiled in. In all other
1186
cases, we ignore the setting of innodb_use_native_aio. */
1187
srv_use_native_aio = FALSE;
1191
1183
if (srv_file_flush_method_str == NULL) {
1192
1184
/* These are the default options */
1213
1205
} else if (0 == ut_strcmp(srv_file_flush_method_str, "normal")) {
1214
1206
srv_win_file_flush_method = SRV_WIN_IO_NORMAL;
1215
srv_use_native_aio = FALSE;
1207
os_aio_use_native_aio = FALSE;
1217
1209
} else if (0 == ut_strcmp(srv_file_flush_method_str, "unbuffered")) {
1218
1210
srv_win_file_flush_method = SRV_WIN_IO_UNBUFFERED;
1219
srv_use_native_aio = FALSE;
1211
os_aio_use_native_aio = FALSE;
1221
1213
} else if (0 == ut_strcmp(srv_file_flush_method_str,
1222
1214
"async_unbuffered")) {
1238
1230
maximum number of threads that can wait in the 'srv_conc array' for
1239
1231
their time to enter InnoDB. */
1233
#if defined(__NETWARE__)
1235
/* Create less event semaphores because Win 98/ME had
1236
difficulty creating 40000 event semaphores. Comment from
1237
Novell, Inc.: also, these just take a lot of memory on
1239
srv_max_n_threads = 1000;
1241
1241
if (srv_buf_pool_size >= 1000 * 1024 * 1024) {
1242
1242
/* If buffer pool is less than 1000 MB,
1243
assume fewer threads. Also use only one
1244
buffer pool instance */
1243
assume fewer threads. */
1245
1244
srv_max_n_threads = 50000;
1247
1246
} else if (srv_buf_pool_size >= 8 * 1024 * 1024) {
1249
srv_buf_pool_instances = 1;
1250
1248
srv_max_n_threads = 10000;
1252
srv_buf_pool_instances = 1;
1253
1250
srv_max_n_threads = 1000; /* saves several MB of memory,
1254
1251
especially in 64-bit
1258
1255
err = srv_boot();
1260
1257
if (err != DB_SUCCESS) {
1262
1259
return((int) err);
1265
mutex_create(srv_monitor_file_mutex_key,
1266
&srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK);
1262
mutex_create(&srv_monitor_file_mutex, SYNC_NO_ORDER_CHECK);
1268
1264
if (srv_innodb_status) {
1269
1265
srv_monitor_file_name = mem_alloc(
1288
mutex_create(srv_dict_tmpfile_mutex_key,
1289
&srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION);
1284
mutex_create(&srv_dict_tmpfile_mutex, SYNC_DICT_OPERATION);
1291
1286
srv_dict_tmpfile = os_file_create_tmpfile();
1292
1287
if (!srv_dict_tmpfile) {
1293
1288
return(DB_ERROR);
1296
mutex_create(srv_misc_tmpfile_mutex_key,
1297
&srv_misc_tmpfile_mutex, SYNC_ANY_LATCH);
1291
mutex_create(&srv_misc_tmpfile_mutex, SYNC_ANY_LATCH);
1299
1293
srv_misc_tmpfile = os_file_create_tmpfile();
1300
1294
if (!srv_misc_tmpfile) {
1301
1295
return(DB_ERROR);
1304
/* innodb_file_io_threads used to be user settable.
1305
It is now just a combination of read_io_threads and
1306
write_io_threads that is set by innodb internally. */
1298
/* If user has set the value of innodb_file_io_threads then
1299
we'll emit a message telling the user that this parameter
1300
is now deprecated. */
1301
if (srv_n_file_io_threads != 4) {
1302
fprintf(stderr, "InnoDB: Warning:"
1303
" innodb_file_io_threads is deprecated."
1304
" Please use innodb_read_io_threads and"
1305
" innodb_write_io_threads instead\n");
1308
1308
/* Now overwrite the value on srv_n_file_io_threads */
1309
1309
srv_n_file_io_threads = 2 + srv_n_read_io_threads
1314
1314
/* TODO: Investigate if SRV_N_PENDING_IOS_PER_THREAD (32) limit
1315
1315
still applies to windows. */
1316
if (!srv_use_native_aio) {
1316
if (!os_aio_use_native_aio) {
1317
1317
io_limit = 8 * SRV_N_PENDING_IOS_PER_THREAD;
1319
1319
io_limit = SRV_N_PENDING_IOS_PER_THREAD;
1327
1327
fil_init(srv_file_per_table ? 50000 : 5000,
1328
1328
srv_max_n_open_files);
1330
/* Print time to initialize the buffer pool */
1331
ut_print_timestamp(stderr);
1333
" InnoDB: Initializing buffer pool, size =");
1335
if (srv_buf_pool_size >= 1024 * 1024 * 1024) {
1338
((double) srv_buf_pool_size) / (1024 * 1024 * 1024));
1342
((double) srv_buf_pool_size) / (1024 * 1024));
1345
err = buf_pool_init(srv_buf_pool_size, srv_buf_pool_instances);
1347
ut_print_timestamp(stderr);
1349
" InnoDB: Completed initialization of buffer pool\n");
1351
if (err != DB_SUCCESS) {
1330
ret = buf_pool_init();
1352
1333
fprintf(stderr,
1353
1334
"InnoDB: Fatal error: cannot allocate the memory"
1354
1335
" for the buffer pool\n");
1546
1527
if (create_new_db) {
1547
1528
mtr_start(&mtr);
1549
1529
fsp_header_init(0, sum_of_new_sizes, &mtr);
1551
1531
mtr_commit(&mtr);
1553
/* To maintain backward compatibility we create only
1554
the first rollback segment before the double write buffer.
1555
All the remaining rollback segments will be created later,
1556
after the double write buffer has been created. */
1557
1533
trx_sys_create();
1561
1535
srv_startup_is_before_trx_rollback_phase = FALSE;
1563
1537
#ifdef UNIV_LOG_ARCHIVE
1637
1609
trx_sys_init_at_db_start();
1639
/* Initialize the fsp free limit global variable in the log
1641
fsp_header_get_free_limit();
1643
/* recv_recovery_from_checkpoint_finish needs trx lists which
1644
are initialized in trx_sys_init_at_db_start(). */
1646
recv_recovery_from_checkpoint_finish();
1647
1611
if (srv_force_recovery < SRV_FORCE_NO_IBUF_MERGE) {
1648
1612
/* The following call is necessary for the insert
1649
1613
buffer to work with multiple tablespaces. We must
1659
1623
every table in the InnoDB data dictionary that has
1662
We also determine the maximum tablespace id used. */
1626
We also determine the maximum tablespace id used.
1628
TODO: We may have incomplete transactions in the
1629
data dictionary tables. Does that harm the scanning of
1630
the data dictionary below? */
1664
1632
dict_check_tablespaces_and_store_max_id(
1665
1633
recv_needed_recovery);
1668
1636
srv_startup_is_before_trx_rollback_phase = FALSE;
1669
recv_recovery_rollback_active();
1638
/* Initialize the fsp free limit global variable in the log
1640
fsp_header_get_free_limit();
1642
/* recv_recovery_from_checkpoint_finish needs trx lists which
1643
are initialized in trx_sys_init_at_db_start(). */
1645
recv_recovery_from_checkpoint_finish();
1671
1647
/* It is possible that file_format tag has never
1672
1648
been set. In this case we initialize it to minimum
1715
1691
/* fprintf(stderr, "Max allowed record size %lu\n",
1716
1692
page_get_free_space_of_empty() / 2); */
1718
if (trx_doublewrite == NULL) {
1719
/* Create the doublewrite buffer to a new tablespace */
1721
trx_sys_create_doublewrite_buf();
1724
/* Here the double write buffer has already been created and so
1725
any new rollback segments will be allocated after the double
1726
write buffer. The default segment should already exist.
1727
We create the new segments only if it's a new database or
1728
the database was shutdown cleanly. */
1730
/* Note: When creating the extra rollback segments during an upgrade
1731
we violate the latching order, even if the change buffer is empty.
1732
We make an exception in sync0sync.c and check srv_is_being_started
1733
for that violation. It cannot create a deadlock because we are still
1734
running in single threaded mode essentially. Only the IO threads
1735
should be running at this stage. */
1737
trx_sys_create_rsegs(TRX_SYS_N_RSEGS - 1);
1739
/* Create the thread which watches the timeouts for lock waits */
1740
os_thread_create(&srv_lock_timeout_thread, NULL,
1694
/* Create the thread which watches the timeouts for lock waits
1695
and prints InnoDB monitor info */
1697
os_thread_create(&srv_lock_timeout_and_monitor_thread, NULL,
1741
1698
thread_ids + 2 + SRV_MAX_N_IO_THREADS);
1743
1700
/* Create the thread which warns of long semaphore waits */
1744
1701
os_thread_create(&srv_error_monitor_thread, NULL,
1745
1702
thread_ids + 3 + SRV_MAX_N_IO_THREADS);
1747
/* Create the thread which prints InnoDB monitor info */
1748
os_thread_create(&srv_monitor_thread, NULL,
1749
thread_ids + 4 + SRV_MAX_N_IO_THREADS);
1751
1703
srv_is_being_started = FALSE;
1705
if (trx_doublewrite == NULL) {
1706
/* Create the doublewrite buffer to a new tablespace */
1708
trx_sys_create_doublewrite_buf();
1753
1711
err = dict_create_or_check_foreign_constraint_tables();
1755
1713
if (err != DB_SUCCESS) {
1762
1720
os_thread_create(&srv_master_thread, NULL, thread_ids
1763
1721
+ (1 + SRV_MAX_N_IO_THREADS));
1765
/* Currently we allow only a single purge thread. */
1766
ut_a(srv_n_purge_threads == 0 || srv_n_purge_threads == 1);
1768
/* If the user has requested a separate purge thread then
1769
start the purge thread. */
1770
if (srv_n_purge_threads == 1) {
1771
os_thread_create(&srv_purge_thread, NULL, NULL);
1774
1722
#ifdef UNIV_DEBUG
1775
1723
/* buf_debug_prints = TRUE; */
1776
1724
#endif /* UNIV_DEBUG */
1864
1812
if (srv_print_verbose_log) {
1865
1813
ut_print_timestamp(stderr);
1866
1814
fprintf(stderr,
1867
" InnoDB %s started; "
1815
" InnoDB Plugin %s started; "
1868
1816
"log sequence number %"PRIu64"\n",
1869
1817
INNODB_VERSION_STR, srv_start_lsn);
2018
1972
/* c. We wake the master thread so that it exits */
2019
1973
srv_wake_master_thread();
2021
/* d. We wake the purge thread so that it exits */
2022
srv_wake_purge_thread();
2024
/* e. Exit the i/o threads */
1975
/* d. Exit the i/o threads */
2026
1977
os_aio_wake_all_threads_at_shutdown();
2031
1982
/* All the threads have exited or are just exiting;
2032
1983
NOTE that the threads may not have completed their
2033
1984
exit yet. Should we use pthread_join() to make sure
2034
they have exited? If we did, we would have to
2035
remove the pthread_detach() from
2036
os_thread_exit(). Now we just sleep 0.1
2037
seconds and hope that is enough! */
1985
they have exited? Now we just sleep 0.1 seconds and
1986
hope that is enough! */
2039
1988
os_mutex_exit(os_sync_mutex);
2073
2022
srv_misc_tmpfile = 0;
2076
/* This must be disabled before closing the buffer pool
2077
and closing the data dictionary. */
2078
btr_search_disable();
2084
2025
trx_sys_file_format_close();
2087
2027
mutex_free(&srv_monitor_file_mutex);
2088
2028
mutex_free(&srv_dict_tmpfile_mutex);
2089
2029
mutex_free(&srv_misc_tmpfile_mutex);
2091
btr_search_sys_free();
2093
2031
/* 3. Free all InnoDB's own mutexes and the os_fast_mutexes inside
2035
/* 4. Free the os_conc_mutex and all os_events and os_mutexes */
2100
/* 4. Free the os_conc_mutex and all os_events and os_mutexes */
2102
2038
os_sync_free();
2104
/* 5. Free all allocated memory */
2108
buf_pool_free(srv_buf_pool_instances);
2111
/* ut_free_all_mem() frees all allocated memory not freed yet
2112
in shutdown, and it will also free the ut_list_mutex, so it
2113
should be the last one for all operation */
2040
/* Check that all read views are closed except read view owned
2043
if (UT_LIST_GET_LEN(trx_sys->view_list) > 1) {
2045
"InnoDB: Error: all read views were not closed"
2046
" before shutdown:\n"
2047
"InnoDB: %lu read views open \n",
2048
UT_LIST_GET_LEN(trx_sys->view_list) - 1);
2051
/* 5. Free all allocated memory and the os_fast_mutex created in
2114
2055
ut_free_all_mem();
2116
2057
if (os_thread_count != 0
2144
2085
srv_was_started = FALSE;
2145
srv_start_has_been_called = FALSE;
2147
2087
return((int) DB_SUCCESS);
2091
void set_panic_flag_for_netware()
2093
extern ibool panic_shutdown;
2094
panic_shutdown = TRUE;
2096
#endif /* __NETWARE__ */
2149
2097
#endif /* !UNIV_HOTBACKUP */