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
4008e5e583
Partially revert ada2630699
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Of course, MacOSX only has posix_memalign, and only in recent versions.
(Older versions could use valloc instead. That precludes ever changing
the LMDB pagesize to be different from the OS pagesize.) Not all that
crucial since it only affects mdb_env_copyfd1.
10 years ago
cf4fe3b1fb
Microoptimize loose pages
10 years ago
1e7eeed28d
Fix loose pages in mdb_freelist_save().
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Leaving them in dirty_list caused breakage. Instead merge them
into me_pghead at the end, when no more pages will be allocated.
10 years ago
983f896aa7
Split out mdb_midl_xmerge, add MDB_IDL_ALLOCLEN
10 years ago
Howard Chu