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mariadb/mysys
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Konstantin Osipov c44665aeb1 Backport of: 
------------------------------------------------------------
revno: 3035.4.1
committer: Davi Arnaut <Davi.Arnaut@Sun.COM>
branch nick: 39897-6.0
timestamp: Thu 2009-01-15 12:17:57 -0200
message:
Bug#39897: lock_multi fails in pushbuild: timeout waiting for processlist

The problem is that relying on the "Table lock" thread state in
its current position to detect that a thread is waiting on a lock
is race prone. The "Table lock" state change happens before the
thread actually tries to grab a lock on a table.

The solution is to move the "Table lock" state so that its set
only when a thread is actually going to wait for a lock. The state
change happens after the thread fails to grab the lock (because it
is owned by other thread) and proceeds to wait on a condition.

This is considered part of work related to WL#4284 "Transactional
DDL locking"
Warning: this patch contains an incompatible change. 
When waiting on a lock in thr_lock.c, the server used to display "Locked"
processlist state. After this patch, the state is "Table lock".
The new state was actually intended to be display since year 2002,
when Monty added it. But up until removal of thd->locked boolean
member, this state was ignored by SHOW PROCESSLIST code.
2009-12-03 23:08:27 +03:00
..
.cvsignore
array.c Fix for a few assorted compiler warnings. 2009-08-28 12:06:59 -03:00
base64.c fixed compilation warnings. addendum to the fix for bug 29125 2009-03-20 16:27:53 +02:00
ChangeLog
charset-def.c Bsckporting WL#3764 Sinhala Collation 2009-10-06 15:34:49 +05:00
charset.c Backporting WL#4164 Two-byte collation IDs 2009-10-15 15:17:32 +05:00
checksum.c Bug#29125 Windows Server X64: so many compiler warnings 2009-02-13 11:41:47 -05:00
CMakeLists.txt WL#2373 Use cycle counter for timing 2009-11-24 16:36:31 -07:00
default.c Backport post fix compiler warnings and test failures for BUG#25192 BUG#12190 2009-10-02 16:40:06 +08:00
default_modify.c This is the downport of 2009-09-11 22:26:35 +02:00
errors.c Backport of: 2009-11-24 16:54:59 +03:00
hash.c Backport of: 2009-11-24 16:54:59 +03:00
lf_alloc-pin.c WL#3230 concurrent hash 2009-11-17 19:31:40 -07:00
lf_dynarray.c WL#3230 concurrent hash 2009-11-17 19:31:40 -07:00
lf_hash.c WL#3230 concurrent hash 2009-11-17 19:31:40 -07:00
list.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
make-ccc Remove unused (and incorrect) my_lread() and my_lwrite() 2006-09-14 23:29:44 -06:00
make-conf.c Many files: 2006-12-23 20:17:15 +01:00
Makefile.am WL#2373 Use cycle counter for timing 2009-11-24 16:36:31 -07:00
md5.c Bug #42434: license of mysys MD5 implementation is not GPL-compatible 2009-03-09 20:57:03 +02:00
mf_arr_appstr.c Bug #20748: Configuration files should not be read more than once 2007-11-07 15:23:50 -07:00
mf_brkhant.c Many files: 2006-12-23 20:17:15 +01:00
mf_cache.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_dirname.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_fn_ext.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_format.c BUG#43949 Initialization of slave produces a warning message in Valgrind 2009-04-19 02:21:33 +01:00
mf_getdate.c Merge from 5.0-bugteam 2009-05-13 08:48:00 -07:00
mf_iocache.c Manual merge. 2009-09-02 09:12:18 -03:00
mf_iocache2.c Backport of: 2009-11-24 16:54:59 +03:00
mf_keycache.c Merge from mysql-5.1. 2009-10-19 17:28:31 +04:00
mf_keycaches.c Backport of: 2009-10-14 20:37:38 +04:00
mf_loadpath.c Backport of: 2009-11-24 16:54:59 +03:00
mf_pack.c Merge from 5.0 for 43414 2009-08-28 18:21:54 +02:00
mf_path.c Backport of: 2009-11-24 16:54:59 +03:00
mf_qsort.c Fix for bug #31207: Test "join_nested" shows different strategy on IA64 2007-10-17 20:08:58 +04:00
mf_qsort2.c Many files: 2006-12-23 20:17:15 +01:00
mf_radix.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_same.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_sort.c Merge polly.(none):/home/kaa/src/maint/mysql-5.0-maint 2007-10-18 14:32:43 +04:00
mf_soundex.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_tempdir.c Bug#29125 Windows Server X64: so many compiler warnings 2009-02-13 11:41:47 -05:00
mf_tempfile.c Moved a lot of old bug fixes and safe cleanups from Maria 5.1 tree to 5.1 2007-10-11 18:07:40 +03:00
mf_unixpath.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mf_util.c Many files: 2006-12-23 20:17:15 +01:00
mf_wcomp.c Many files: 2006-12-23 20:17:15 +01:00
mf_wfile.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
mulalloc.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_access.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-23 20:20:40 +01:00
my_aes.c my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
my_alarm.c Many files: 2006-12-23 20:17:15 +01:00
my_alloc.c Backport of Bug#15192 to mysql-next-mr 2009-11-10 18:31:28 -02:00
my_append.c Backport of: 2009-11-24 16:54:59 +03:00
my_atomic.c WL#2595 kernel-independent atomic operations 2009-11-17 17:11:32 -07:00
my_bit.c Moved a lot of old bug fixes and safe cleanups from Maria 5.1 tree to 5.1 2007-10-11 18:07:40 +03:00
my_bitmap.c Moved a lot of old bug fixes and safe cleanups from Maria 5.1 tree to 5.1 2007-10-11 18:07:40 +03:00
my_chsize.c This is the downport of 2009-09-11 22:26:35 +02:00
my_clock.c Backport of: 2009-11-24 16:54:59 +03:00
my_compress.c Bug#29125 Windows Server X64: so many compiler warnings 2009-02-13 11:41:47 -05:00
my_conio.c Bug#29125 Windows Server X64: so many compiler warnings 2009-02-13 11:41:47 -05:00
my_copy.c Backport of: 2009-11-24 16:54:59 +03:00
my_crc32.c Many files: 2006-12-23 20:17:15 +01:00
my_create.c This is the downport of 2009-09-11 22:26:35 +02:00
my_delete.c Manual resolving for the following files 2009-12-01 21:07:18 +02:00
my_div.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_dup.c This is the downport of 2009-09-11 22:26:35 +02:00
my_error.c WL#4903 Plugin Service API part I 2009-11-02 21:05:42 +01:00
my_file.c This is the downport of 2009-09-11 22:26:35 +02:00
my_fopen.c This is the downport of 2009-09-11 22:26:35 +02:00
my_fstream.c Backport of: 2009-11-24 16:54:59 +03:00
my_gethostbyname.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-31 01:32:21 +01:00
my_gethwaddr.c fix compile error. definition of VOID in trunk still conflicts with windows headers. that was fixed in 6.0 2009-09-13 19:38:06 +02:00
my_getncpus.c WL#2595 kernel-independent atomic operations 2009-11-17 17:11:32 -07:00
my_getopt.c merging from 5.1 to rep+2 starting at gca(5.1, next-mr) == build@mysql.com-20091104182209-iui387z35159aoyw 2009-11-30 14:34:39 +02:00
my_getpagesize.c Many files: 2006-12-23 20:17:15 +01:00
my_getsystime.c Reverted wrong patch, fix for Windows 32bit build. 2008-02-26 18:44:04 +02:00
my_getwd.c Backport of: 2009-11-24 16:54:59 +03:00
my_handler.c Fixed problem with non-synchronous error lists 2008-03-28 18:45:03 +02:00
my_handler_errors.h WL#5016: Fix header file include guards 2009-09-23 23:32:31 +02:00
my_init.c Backport of the patch 2009-09-30 03:39:37 +02:00
my_largepage.c Merge from mysql-next-mr. 2009-10-23 15:22:21 +04:00
my_lib.c Backport of: 2009-11-24 16:54:59 +03:00
my_libwrap.c Many files: 2006-12-23 20:17:15 +01:00
my_lock.c This is the downport of 2009-09-11 22:26:35 +02:00
my_lockmem.c Backport of: 2009-11-24 16:54:59 +03:00
my_malloc.c Backport of my_malloc() changes from 5.1 to make it 64-bit safe on Unix platforms. 2007-08-29 19:20:18 +04:00
my_memmem.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_messnc.c WL#2110 (SIGNAL) 2009-09-10 03:18:29 -06:00
my_mkdir.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-23 20:20:40 +01:00
my_mmap.c This is the downport of 2009-09-11 22:26:35 +02:00
my_net.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-23 20:20:40 +01:00
my_netware.c Many files: 2006-12-23 20:17:15 +01:00
my_new.cc Bug#43461: invalid comparison with string literal in default.c 2009-03-19 17:20:15 -03:00
my_once.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_open.c This is the downport of 2009-09-11 22:26:35 +02:00
my_port.c my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
my_pread.c This is the downport of 2009-09-11 22:26:35 +02:00
my_pthread.c Backport of: 2009-11-24 16:54:59 +03:00
my_quick.c This is the downport of 2009-09-11 22:26:35 +02:00
my_rdtsc.c WL#2373 Use cycle counter for timing 2009-11-24 16:36:31 -07:00
my_read.c This is the downport of 2009-09-11 22:26:35 +02:00
my_realloc.c Moved a lot of old bug fixes and safe cleanups from Maria 5.1 tree to 5.1 2007-10-11 18:07:40 +03:00
my_redel.c Backport of: 2009-11-24 16:54:59 +03:00
my_rename.c Moved a lot of old bug fixes and safe cleanups from Maria 5.1 tree to 5.1 2007-10-11 18:07:40 +03:00
my_seek.c This is the downport of 2009-09-11 22:26:35 +02:00
my_sleep.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-23 20:20:40 +01:00
my_static.c Backport of: 2009-12-03 21:59:52 +03:00
my_static.h WL#5016: Fix header file include guards 2009-09-23 23:32:31 +02:00
my_symlink.c Bug#39102 valgrind build does not compile in realpath, which make DATA/INDEX DIR fail 2008-10-27 19:25:11 +04:00
my_symlink2.c Merge mysql.com:/home/svoj/devel/mysql/BUG32111/mysql-5.0-engines 2007-11-12 15:26:37 +04:00
my_sync.c This is the downport of 2009-09-11 22:26:35 +02:00
my_thr_init.c WL#3230 concurrent hash 2009-11-17 19:31:40 -07:00
my_timer_cycles.il WL#2373 Use cycle counter for timing 2009-11-24 16:36:31 -07:00
my_vle.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_wincond.c A follow up for the fix for Bug#35164 (remove priorities on Windows). 2009-11-23 20:08:37 +03:00
my_windac.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
my_winerr.c This is the downport of 2009-09-11 22:26:35 +02:00
my_winfile.c backport of 2009-09-30 22:10:22 +02:00
my_winthread.c Backport of this changeset 2009-09-30 17:40:12 +02:00
my_write.c This is the downport of 2009-09-11 22:26:35 +02:00
mysys_priv.h This is the downport of 2009-09-11 22:26:35 +02:00
ptr_cmp.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
queues.c Fix for server bug experienced in Maria (wrong "Truncated incorrect <var_name> 2008-02-18 23:29:39 +01:00
rijndael.c my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
safemalloc.c Bug#43932 myisam index corruption with large index and large 2009-04-29 13:51:10 +02:00
sha1.c Merge bk-internal.mysql.com:/home/bk/mysql-5.0 2007-01-22 14:04:40 +02:00
stacktrace.c Backport of: 2009-11-24 16:54:59 +03:00
string.c Bug#29125 Windows Server X64: so many compiler warnings 2009-02-13 11:41:47 -05:00
test_charset.c Fix doxygen warnings. 2007-08-15 17:43:08 +04:00
test_dir.c Merge mysql.com:/home/kent/bk/main/mysql-5.0 2006-12-23 20:20:40 +01:00
test_fn.c Many files: 2006-12-23 20:17:15 +01:00
test_xml.c Many files: 2006-12-23 20:17:15 +01:00
testhash.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
thr_alarm.c Backport of: 2009-11-24 16:54:59 +03:00
thr_lock.c Backport of: 2009-12-03 23:08:27 +03:00
thr_mutex.c Bug#38941: fast mutexes in MySQL 5.1 have mutex contention when calling random() 2008-10-15 19:21:00 -03:00
thr_rwlock.c Many files: 2006-12-23 20:17:15 +01:00
tree.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
trie.c WL#3817: Simplify string / memory area types and make things more consistent (first part) 2007-05-10 12:59:39 +03:00
typelib.c Bug#46586: When using the plugin interface the type "set" for options caused a crash. 2009-10-27 06:16:02 -07:00