b2ab9910dd
ITS#7971 Fix reader allocation and me_numreaders
10 years ago
404697b369
mdb_env_set_flags(): Reject CHANGELESS flags.
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Reverts part of a2ac10107e
10 years ago
71741a6b08
Fix potential null deref (coverity)
10 years ago
631970e485
Make SysV semaphores robust. Cleanup MDB_ROBUST.
10 years ago
8b6c4250b1
More cleanup for fdatasync hack
10 years ago
ea89e3d269
Tweak conditionals for fdatasync hack
10 years ago
f83f62a7ae
ITS#8021 env_sync is invalid in RDONLY env
10 years ago
462dc09745
fdatasync hack, again
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Check for ext3/ext4 fs, then check kernel version.
10 years ago
e86072a9c7
Revert "Note MDB_SAFE_FDATASYNC"
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This reverts commit 293d6bb47f9585c01233
10 years ago
9585c01233
Simpler fdatasync hack
10 years ago
0ef1e0b16d
Revert "Fix prev commit for env_sync0"
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This reverts commit 985bbbbdd50018eeb2c3
10 years ago
985bbbbdd5
Fix prev commit for env_sync0
10 years ago
0018eeb2c3
Hack for potential ext3/ext4 corruption issue
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Use regular fsync() if we think this commit grew the DB file.
10 years ago
cccc947b4a
Try to avoid an invalid datafile after failed init
10 years ago
03ddbcf37d
C90-compatible code for SysV semaphores
10 years ago
1a7243b3f4
ITS#7987 fix excessive space for single write txn
10 years ago
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.
10 years ago
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.
10 years ago
1413de3a04
Fix SysV semaphores - repair mti_txnid.
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Similar to 443a7e40c4
10 years ago
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.
10 years ago
c306423adf
Fix WIN32 -> _WIN32
10 years ago
0697869d92
mdb_strerror: Silence warning @ Windows
10 years ago
4376a19c5c
Fix comments
10 years ago
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.
10 years ago
443a7e40c4
Fix robust mutexes - repair mti_txnid.
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Broken by e3b6c359a9
10 years ago
42110d83a9
Simplify recent changes a bit.
10 years ago
9a72292ac1
ITS#7961,#7987 Re-fix txn init.
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More fallout from 4d02c741b120786df1b87ee9ed49c1d3f9bc7522:
Don't modify another thread's write txn. Reinit me_txn0 fully.
10 years ago
9a8eb95674
ITS#7971 LMDB: clarification in mdb_txn_renew0().
10 years ago
bd6d2e6f2c
ITS#7970 LMDB: Critical Heisenbug
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Inconsistent reading & SIGSEGV due to the race condition.
10 years ago
9a80a8a8e8
ITS#7969 LMDB: volatile & __synchronize().
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Globally shared fields of meta-data are not 'volatile'.
10 years ago
925e7805a5
ITS#7959 fix prev commit
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fstat returns -1, not an errno. Move code into its own function
for reuse.
10 years ago
d72b2f5d15
ITS#7961 fix txn init
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More fallout from 4d02c741b1
10 years ago
d77e3ddb4d
ITS#7959 Check fstat return value
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Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
10 years ago
56c2c160be
ITS#7956 fix compact of empty env
10 years ago
bfe297da47
ITS#7955, #7671 fix MDB_PREV_DUP
10 years ago
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
10 years ago
58ddb5527b
Use SysV semaphores instead of POSIX
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Since they can cleanup after themselves on process exit
10 years ago
a53716ed96
Must do dlist_free before releasing Wmutex
10 years ago
ec6cf4e40f
MDB_ROBUST: Use MDB_PID_T. Drop a wmutex variable.
10 years ago
f6add293a7
Free write mutex earlier in txn_reset0
10 years ago
a2ac10107e
Add MDB_ROBUST
10 years ago
a7639a66a4
Android also only has memalign
10 years ago
62e4eeb7f7
ITS#7943 reinit txn flags
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When reusing the main write txn
10 years ago
891e662754
Plug leak in 4d02c741b1
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Free writer txn on env_close
10 years ago
5ee99f1125
Change retry to num times 60. Testing shows that on a known dataset, this has the same growth behavior as 2.4.39, while num times 20 resulted in significant growth.
10 years ago
3646ba966c
More for me_pgoldest
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Leave it in main env struct, it doesn't need to be rolled back
with nested txns.
10 years ago
29fd241fad
Remember oldest reader txnid
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Don't walk the readers table unless we really need to.
10 years ago
4d02c741b1
Use a single write txn
10 years ago
a054a194e8
ITS#7913 cleanup
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we already checked for data == NULL, drop unnecessary if
10 years ago
8fbbc71506
More for MIPS
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Move CACHEFLUSH, avoid unnecessary if()
10 years ago
Hallvard Furuseth