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4 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
6adab7a1a8 Still more tests using mptester. Added test cases that leave rollback
journals that must be recovered by other threads.

FossilOrigin-Name: 437b674f00610e2b925dc00ca27b5022e3858994
2013-04-08 18:58:00 +00:00
drh
023dd903cc Adding tests to the mptester scripts.
FossilOrigin-Name: e121adceb1e267e032dcbadb74eaa692a12a65bb
2013-04-08 17:57:26 +00:00
drh
554052c600 Merge the multi-process tester into trunk.
FossilOrigin-Name: ea53c45d79772986d2ad289f4f56f333541747e7
2013-04-08 14:41:34 +00:00