Hallvard Furuseth
8adee9464f
Fix per-txn MDB_NOMETASYNC, MDB_NOSYNC.
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Fallout from 4d02c741b1 . The flags
were ignored: mdb_txn_renew0/begin cleared and/or did not set them.
2015-04-08 21:51:50 +02:00
Hallvard Furuseth
54516639ac
Renumber MDB_TXN_* flags, simplify flag code
2015-04-08 21:51:16 +02:00
Hallvard Furuseth
49bb9e82e8
mdb_txn_renew(): Clear error from previous txn
2015-04-08 21:47:24 +02:00
Howard Chu
d2dab3c905
ITS#8062 fix uninit'd cursor index
2015-03-18 19:26:21 +00:00
Quanah Gibson-Mount
6fe12f3273
Happy New Year
2015-02-12 11:17:59 -06:00
Howard Chu
8bb541bc40
Also support NOMETASYNC on txn_begin
2015-02-02 10:33:41 +00:00
Howard Chu
3368d1f5e2
Support MDB_NOSYNC on mdb_txn_begin()
2015-01-30 09:21:39 +00:00
Hallvard Furuseth
b2ab9910dd
ITS#7971 Fix reader allocation and me_numreaders
2015-01-17 06:32:12 +01:00
Hallvard Furuseth
404697b369
mdb_env_set_flags(): Reject CHANGELESS flags.
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Reverts part of a2ac10107e .
MDB_ROBUST needed to be accepted, but that flag is gone.
2015-01-14 08:12:50 +01:00
Howard Chu
71741a6b08
Fix potential null deref (coverity)
2015-01-13 19:19:09 +00:00
Hallvard Furuseth
631970e485
Make SysV semaphores robust. Cleanup MDB_ROBUST.
2015-01-12 21:02:29 +01:00
Howard Chu
8b6c4250b1
More cleanup for fdatasync hack
2015-01-12 10:42:26 +00:00
Howard Chu
ea89e3d269
Tweak conditionals for fdatasync hack
2015-01-11 11:37:37 +00:00
Howard Chu
f83f62a7ae
ITS#8021 env_sync is invalid in RDONLY env
2015-01-09 11:25:52 +00:00
Howard Chu
462dc09745
fdatasync hack, again
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Check for ext3/ext4 fs, then check kernel version.
2015-01-08 12:54:14 +00:00
Howard Chu
e86072a9c7
Revert "Note MDB_SAFE_FDATASYNC"
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This reverts commit 293d6bb47f .
Revert "Simpler fdatasync hack"
This reverts commit 9585c01233 .
2015-01-08 12:17:58 +00:00
Howard Chu
9585c01233
Simpler fdatasync hack
2015-01-08 11:42:08 +00:00
Howard Chu
0ef1e0b16d
Revert "Fix prev commit for env_sync0"
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This reverts commit 985bbbbdd5 .
Revert "Hack for potential ext3/ext4 corruption issue"
This reverts commit 0018eeb2c3 .
2015-01-08 11:29:30 +00:00
Howard Chu
985bbbbdd5
Fix prev commit for env_sync0
2014-12-21 00:13:50 +00:00
Howard Chu
0018eeb2c3
Hack for potential ext3/ext4 corruption issue
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Use regular fsync() if we think this commit grew the DB file.
2014-12-18 04:38:53 +00:00
Hallvard Furuseth
cccc947b4a
Try to avoid an invalid datafile after failed init
2014-12-08 09:56:36 +01:00
Hallvard Furuseth
03ddbcf37d
C90-compatible code for SysV semaphores
2014-12-05 21:00:21 +01:00
Leo Yuriev
1a7243b3f4
ITS#7987 fix excessive space for single write txn
2014-12-05 19:30:31 +00:00
Howard Chu
c36c167cc4
ITS#7994 fix prev commit
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Strip docs promising behaviors that we don't promise to hold.
Strip MDB_txnid_t typedef.
2014-12-05 19:18:01 +00:00
David Barbour
b660491d3f
ITS#7994 Access to current transaction ID.
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I, David Barbour, hereby place the following modifications to OpenLDAP
Software (and only these modifications) into the public domain. Hence,
these modifications may be freely used and/or redistributed for any
purpose with or without attribution and/or other notice.
2014-12-05 19:17:52 +00:00
Hallvard Furuseth
1413de3a04
Fix SysV semaphores - repair mti_txnid.
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Similar to 443a7e40c4 .
2014-12-05 18:18:53 +01:00
Hallvard Furuseth
3e6ac6ef6b
For ITS#7789: Ensure mapsize >= pages in use.
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Check new mapsizes against mm_last_pg. Move
mdb_env_init_meta0() so it can set mm_last_pg earlier.
2014-12-03 12:37:55 +01:00
Hallvard Furuseth
c306423adf
Fix WIN32 -> _WIN32
2014-12-03 12:27:53 +01:00
Hallvard Furuseth
0697869d92
mdb_strerror: Silence warning @ Windows
2014-12-01 08:59:29 +01:00
Hallvard Furuseth
4376a19c5c
Fix comments
2014-12-01 08:59:29 +01:00
Hallvard Furuseth
4bda1d2461
Clean up SysV semaphore code.
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Change MDB_LOCK_FORMAT to differ from Posix semaphores/mutexes.
Do not use array/member length 0 for MDB_txninfo.mt2.
2014-12-01 08:59:29 +01:00
Hallvard Furuseth
443a7e40c4
Fix robust mutexes - repair mti_txnid.
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Broken by e3b6c359a9 , if
commit() crashes in write_meta before setting mti_txnid.
2014-12-01 08:59:29 +01:00
Hallvard Furuseth
42110d83a9
Simplify recent changes a bit.
2014-12-01 08:59:29 +01:00
Hallvard Furuseth
9a72292ac1
ITS#7961,#7987 Re-fix txn init.
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More fallout from 4d02c741b1 :
Don't modify another thread's write txn. Reinit me_txn0 fully.
2014-11-28 16:32:23 +00:00
leo@yuriev.ru
9a8eb95674
ITS#7971 LMDB: clarification in mdb_txn_renew0().
2014-10-18 07:00:52 +01:00
leo@yuriev.ru
bd6d2e6f2c
ITS#7970 LMDB: Critical Heisenbug
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Inconsistent reading & SIGSEGV due to the race condition.
2014-10-18 06:57:58 +01:00
leo@yuriev.ru
9a80a8a8e8
ITS#7969 LMDB: volatile & __synchronize().
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Globally shared fields of meta-data are not 'volatile'.
2014-10-18 06:53:53 +01:00
Howard Chu
925e7805a5
ITS#7959 fix prev commit
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fstat returns -1, not an errno. Move code into its own function
for reuse.
2014-10-08 19:25:27 +01:00
Howard Chu
d72b2f5d15
ITS#7961 fix txn init
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More fallout from 4d02c741b1
2014-10-04 21:48:49 +01:00
Jean-Christophe DUBOIS
d77e3ddb4d
ITS#7959 Check fstat return value
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Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
2014-10-03 21:10:49 +01:00
Howard Chu
56c2c160be
ITS#7956 fix compact of empty env
2014-10-02 22:11:43 +01:00
Howard Chu
bfe297da47
ITS#7955, #7671 fix MDB_PREV_DUP
2014-10-02 21:58:20 +01:00
Howard Chu
e3b6c359a9
Use robust mutexes by default
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Making it optional on pthreads just complicates things;
they're always robust on other implementations
2014-10-01 20:58:15 +01:00
Howard Chu
58ddb5527b
Use SysV semaphores instead of POSIX
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Since they can cleanup after themselves on process exit
2014-10-01 20:37:25 +01:00
Howard Chu
a53716ed96
Must do dlist_free before releasing Wmutex
2014-10-01 20:36:37 +01:00
Hallvard Furuseth
ec6cf4e40f
MDB_ROBUST: Use MDB_PID_T. Drop a wmutex variable.
2014-10-01 20:36:21 +01:00
Howard Chu
f6add293a7
Free write mutex earlier in txn_reset0
2014-10-01 20:36:11 +01:00
Hallvard Furuseth
a2ac10107e
Add MDB_ROBUST
2014-10-01 20:35:12 +01:00
Howard Chu
a7639a66a4
Android also only has memalign
2014-09-25 19:25:56 +01:00
Howard Chu
62e4eeb7f7
ITS#7943 reinit txn flags
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When reusing the main write txn
2014-09-19 01:45:43 +01:00