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96 commits

Author SHA1 Message Date
Gregory Burd
7ff11a42a8 Consistently use driver_(alloc,realloc,free). 2011-11-28 16:02:00 -05:00
Gregory Burd
27438453bb Add support for cursor_get() which is used to position the cursor as 
well as to get items based on its location.
 2011-11-27 21:03:02 -05:00
Gregory Burd
469bf225a2 Added del()ete to Erlang API. 2011-08-10 17:26:19 -04:00
Gregory Burd
7b1350f899 Updated to Oracle Berkeley DB version 5.2.28 2011-08-09 11:01:44 -04:00
Jon Meredith
25a78e0b8e Moved check_all_databases_closed inside check for G_DB_ENV != NULL, otherwise 
fails on LOCK_DATABASE when G_DATABASES_MUTEX is uninitialized.
 2009-12-05 04:37:33 +08:00
Phillip Toland
e20a91e082 Updated Jon's email address. 2009-06-23 15:27:37 -05:00
Phillip Toland
09184b0399 Added license information. 2009-06-23 15:17:05 -05:00
Jon Meredith
663e7f24ec Cleaned up the const != var tests to var != const. 2009-06-23 15:05:21 -05:00
Jon Meredith
0affeb825c Cleaned up driver 
- removed the lock checks now we are happy with the mutex
 - replaced 'const == var' tests with 'var == const' to make code consistent.
 2009-06-23 15:02:33 -05:00
Jon Meredith
783acf09ba Relaced G_DATABASES rwlock with a mutex. 2009-06-23 15:02:33 -05:00
Jon Meredith
425d8ddf00 Added extra paranoia around G_DATABASES, checking it is valid at lock and unlock. 2009-06-23 15:02:33 -05:00
Jon Meredith
7c9da71b18 The read lock checks for the G_DATABASES rwlock were incorrect. Multiple readers 
are possible.  Now the check for exclusive port/thread is only done on writes.

Added an integration test that reproduces conditions seen during the local-storage-ops-
in-coord branch.
 2009-06-23 15:02:33 -05:00
Jon Meredith
3d422bec1d Heavily instrumented rwlock code - rwlock seems to be misbehaving. 
About to replace with a mutex.wq
 2009-06-23 15:02:33 -05:00
Jon Meredith
bfb1620fb8 Improved debug output on driver stop. 
Disabled active_dbs counter as coredump went away.
 2009-06-23 15:02:33 -05:00
Jon Meredith
2077413b9e Added active counts to dbref and portref to help see what is being corrupted 
in the coredump.
 2009-06-23 15:02:33 -05:00
Jon Meredith
86f39286b1 Added extra debug/paranoia on bdberl_drv_stop/bdberl_drv_finish while 
looking for the coredump on port close discovered on the local storage ops
inside coordinator branch.
 2009-06-23 15:02:33 -05:00
Jon Meredith
92b7c3a6ef Refactored environment variable checks. All go through common functions 
that validate conversion to unsigned int and prints an error message
on stderr if not used (would prefer to use SASL but it's as good as it
gets during driver setup).
 2009-06-23 15:02:33 -05:00
Jon Meredith
13240670c3 Added bdberl:driver_info() function to get driver parameters. 2009-06-23 15:02:32 -05:00
Jon Meredith
1cc42dae71 Forgot to rename DBGCMDX for non-debug build. 2009-06-23 15:02:32 -05:00
Jon Meredith
a3ae101dfb Cleaned up debugging code. 2009-06-23 15:02:32 -05:00
Jon Meredith
1e3b89e24e Broke stats code out into bdberl_stats.h module. 
Had to rename some functions that became non-static.
Added some accessors to module static variables as needed.
 2009-06-23 15:02:32 -05:00
Jon Meredith
6fe6651757 Added more comprehensive debug output if built with debug=1. 
Made deadlock checker interval configurable.
 2009-06-23 15:02:32 -05:00
Jon Meredith
19addac0fe Made size of thread pools configurable from environment variables 
BDBERL_NUM_GENERAL_THREADS and BDBERL_NUM_TXN_THREADS.
 2009-06-23 15:02:32 -05:00
Jon Meredith
497b9ca70f Forgot to remove a couple of unnecessary work_buffer copies. 2009-06-23 15:02:32 -05:00
Jon Meredith
56c1617f8e Converted truncate to use async_dbref. 2009-06-23 15:02:32 -05:00
Jon Meredith
def6d9376a Changed stats functions to use async_dbref/async_flags to pass parameters 
to async functions rather than work buffer.
 2009-06-23 15:02:32 -05:00
Jon Meredith
dc867e363b Incorporated Diz's crc generation/checking patch to bdberl.erl. 
Added crc checking before/after BDB accesses in C driver.
Changed get to use malloc DBTs rather than the user supplied buffer
previously.
 2009-06-23 15:02:31 -05:00
Jon Meredith
30c7ad75ac Replaced calls to getenv with erl_drv_getenv/G_DB_ENV->get_home. The erlang 
docs say not to use getenv in erlang drivers as they are not thread safe.
The places we were using them were very unlikley to have issues, but you never
know.
 2009-06-02 13:14:47 -06:00
Dave Smith
ebd06de3da Merge branch 'master' of git.rascal:/var/git/commons/bdberl 
Conflicts:
	c_src/bdberl_drv.c
	c_src/buildlib.sh
	src/bdberl.erl
 2009-06-02 10:06:36 -06:00
Jon Meredith
40393a8e62 Cleaned up driver finish function to make sure resources had been 
allocated before they were freed.
 2009-06-01 12:14:26 -06:00
Jon Meredith
1409096860 Renamed get_lg_dir() to get_lg_dir_info and added get_data_dirs_info(). 
Both new calls return the filesystem id and the number of mbytes available
on that filesystem.
 2009-05-29 12:13:19 -06:00
Jon Meredith
2c6277bdf4 Added unknown db type for opening existing databases. 2009-05-29 07:42:18 -06:00
Jon Meredith
553ed4eda1 Enhanced error reporting to return atoms for libc errno, common bdb errors and bdberl errors. 2009-05-29 07:26:59 -06:00
Jon Meredith
c74beeba9f Added transaction stats. 2009-05-28 12:05:52 -06:00
Jon Meredith
e4757031a2 Added mutex stats. 2009-05-27 16:49:18 -06:00
Jon Meredith
e80dc97d6d Added memory pool statistics. 2009-05-27 16:31:26 -06:00
Jon Meredith
62d4522580 Added log stats 2009-05-27 15:25:50 -06:00
Jon Meredith
70dd9ee11a Added lock_stat/1 and lock_stat_print/1 functions to get lock stats. 2009-05-27 15:02:58 -06:00
Jon Meredith
05c1754e7f Added stat/2 and stat_print/1, stat_print/2 functions for retrieving/displaying stats about the BDB subsystem. 2009-05-27 14:03:11 -06:00
Dave Smith
66e1b409ec Make txn begin async relative to VM 2009-05-27 11:21:35 -06:00
Dave Smith
e3e0b99494 Adding support for BDBERL_SYSTEM_MEM which sets DB_SYSTEM_MEM flag on environment open; add support for changing default page size via BDBERL_PAGE_SIZE. Must be a power of 2. 2009-05-04 13:39:35 -06:00
Dave Smith
42abfa33e7 Another stupid printf removed. 2009-04-24 09:33:44 -06:00
Dave Smith
41f7213235 Rework trickle/checkpoint to use same thread and avoid tromping on each other; add SNMP reporting to the logger 2009-04-24 09:33:01 -06:00
Dave Smith
83d278b0dd Remove sloppy printf (my own stupid fault) 2009-04-23 10:21:03 -06:00
Dave Smith
22f33e0b0d Adding support for registering a logger port/pid to capture BDB messages 2009-04-16 07:08:22 -06:00
Dave Smith
3c84d5dd44 Add configuration flags for trickle time/percentage 2009-03-02 13:33:03 -07:00
Phillip Toland
ab1e627089 Rename tune_system to get_info and remove set calls. 2009-02-16 16:57:48 -06:00
Jon Meredith
552f2ac89a Made sure all erlang binary signed/unsigned integers match up with C data types 
through the control function.
 2009-02-12 13:20:14 -07:00
Jon Meredith
d3dba23aed Moved zero-ing of async_pool/job inside mutex to avoid risk of race 
in bdberl_drv_stop.
 2009-02-12 11:19:51 -07:00
Jon Meredith
62e8fa569c Changed driver shutdown to clear util thread active flags before signalling them. 
Added debug messages on util thread error.
 2009-02-11 11:58:39 -07:00