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19 Commits

Author SHA1 Message Date
drh
9b4c59fa1b Refactoring the mmap interface. The controlling pragma is now "mmap_size" 
instead of "mmap_limit".  Also change SQLITE_CONFIG_MMAP_LIMIT and
SQLITE_FCNTL_MMAP_LIMIT to SQLITE_CONFIG_MMAP_SIZE and
SQLITE_FCNTL_MMAP_SIZE, respecctively.  
The default mmap_size is now always 0, meaning that
memory mapped I/O is off by default.  There is a new compile-time option
SQLITE_MAX_MMAP_SIZE that determines a hard upper bound on the mmap_size.
Setting SQLITE_MAX_MMAP_SIZE to zero disables the memory-mapped I/O logic
and causes it to be omitted from the build.  An extra argument is added
to SQLITE_CONFIG_MMAP_SIZE that can optionally lower the SQLITE_MAX_MMAP_SIZE
at start-time. The SQLITE_MAX_MMAP_SIZE is zero for platforms where we 
know that it does not work, meaning that it cannot be turned on by mistake
on those platforms.

FossilOrigin-Name: ea1404a10abd7f68e1f8e0708c8a3199d1f79665
 2013-04-15 17:03:42 +00:00
drh
41f89cc676 Previous check-in accidently left mmap turned off by default. This checkin 
fixes that.  Unfortunately, shared.test is now segfaulting.  All other
veryquick tests appear to work, however.

FossilOrigin-Name: a850c7319c20b5757983443df05cf2aa4250053b
 2013-03-26 01:07:50 +00:00
dan
5d8a137218 Add the sqlite3_io_methods.xMremap() method to the VFS interface. Also "PRAGMA mmap_size". 
FossilOrigin-Name: 6183f1bd86ceed76d22d9762f3d7eb33262c62d1
 2013-03-19 19:28:06 +00:00
mistachkin
fda06befd5 Add retry logic for AV defense to winOpen. Also, refactor test suite to allow the key Tcl file operations (e.g. copy and delete) to be retried. 
FossilOrigin-Name: 9007586fdabed8dbcc78581ea9821cfd1f9a4c8c
 2011-08-02 00:57:34 +00:00
shaneh
ae23162e52 Add "do_not_use_codec" logic to some of the TCL based test cases that read/write directly to the DB. 
FossilOrigin-Name: edd27669f3d0ec8c878267fb5cae9b73fcdfd2b8
 2011-02-16 01:23:50 +00:00
dan
7cfbeb7fb5 Changes to exclusive2.test to make it more deterministic. 
FossilOrigin-Name: 84b0c2bc7125623be2ee526b5ca75e1b72debb93
 2011-01-26 06:13:14 +00:00
drh
d40d7ec78b Make sure the change-counter and SQLite-version fields of the header are 
set correctly even when doing a VACUUM with locking_mode=EXCLUSIVE.
Ticket [5d863f876ee9561b].

FossilOrigin-Name: 04fa1e16905183b948ee6456675799a873d5f97d
 2011-01-16 00:56:19 +00:00
dan
fa2a477226 Fix some test failures found running releasetest.tcl. 
FossilOrigin-Name: 56a9ce7774a6f163a62684dd8d5357ce16a07de1
 2010-09-14 10:53:45 +00:00
dan
c1a60c51dc Refactor some of the global variables and commands used by tester.tcl. 
FossilOrigin-Name: c2edf8e17f874d0ca4e94b75575bf6e14eea1f05
 2010-06-07 14:28:16 +00:00
drh
c5053fb922 Add 19 new assert() statements in btree.c that attempt to detect writing to 
a cache page which is not writeable. (CVS 5964)

FossilOrigin-Name: f9c7359065829b016d8cd04304c02509c254fe05
 2008-11-27 02:22:10 +00:00
aswift
831045dd33 Deferring file descriptor closing to avoid trashing locks when directly manipulating sqlite db file contents (causes errors on AFP testing) (CVS 5587) 
FossilOrigin-Name: e28a2870b49509502529892ff8ddb9fcf3a27173
 2008-08-22 00:25:52 +00:00
drh
3aefabaf94 Updates to test scripts for better support of soft-heap-limit testing. (CVS 4209) 
FossilOrigin-Name: 990f621f2247f1636e895dcf51fea1e08f202d31
 2007-08-12 20:07:58 +00:00
aswift
f6f426be4e Work around an AFP file system byte-range locking error caused by opening and closing a second file descriptor on the database file as RDWR which clears the exclusive byte-range lock and results in an fcntl error when the AFP locking code attempts to clear it afterwards. This error is caused by the test harness and isn't a flaw in the sqlite or its implementation of AFP file locking. (CVS 4172) 
FossilOrigin-Name: b2ba3e81fb1015d6f979a490e00a45fb7d5e1a9a
 2007-07-20 20:25:37 +00:00
danielk1977
68a6b5ec98 Modify the tests in exclusive2.test to account for the fact that the pager cache may be very small by default. These tests are only valid if the entire database fitting in the cache. (CVS 4082) 
FossilOrigin-Name: 04a13fe43e61bd0dbff42c448e763078503b00bf
 2007-06-16 14:43:51 +00:00
drh
2824d55a99 Fix a file descriptor leak in the exclusive2 test script. (CVS 3871) 
FossilOrigin-Name: 2d2e68da74459340c262a6454fdd05149bc94c59
 2007-04-25 12:06:58 +00:00
drh
86a88114fa Detect database file changes using a 128-bit segment of the file header 
that includes the change counter.  Ticket #2303. (CVS 3844)

FossilOrigin-Name: e44995debf2456e55b502783849e93a045a527c8
 2007-04-16 15:02:19 +00:00
drh
e6895112fb Work around buggy TCL implementations in the exclusive2 test file. Ticket #2287 (CVS 3827) 
FossilOrigin-Name: 5424fcc5f82e864e0a85a71e0ae39209200386c6
 2007-04-08 16:52:22 +00:00
danielk1977
3fb79c8346 Add Tcl (flush) commands to exclusive2.test, which is failing on some systems but not others. (CVS 3806) 
FossilOrigin-Name: 9e004c519a30257fe3230ac7af630d296e139c9e
 2007-04-03 16:13:51 +00:00
danielk1977
ded6f4b2fe Add some tests and fixes surrounding exclusive-access mode and the pager change-counter. (CVS 3716) 
FossilOrigin-Name: 72cb2e1a73cd09d32900bb473377f66ff55058fb
 2007-03-26 10:27:18 +00:00