On Mon, Oct 04, 2010 at 02:17:06PM -0700, Dustin Sallings scratched on the wall:
>
> I've read the documentation, but one thing that was unclear:
>
> Do I need SQLITE_THREADSAFE=2 (or 1) when I am using sqlite
> from two different threads entirely independently in a
> single-threaded manner?
Yes. This statement seems fairly clear:
When compiled with SQLITE_THREADSAFE=0 all mutexing code is
omitted and it is unsafe to use SQLite in a multithreaded
program. <http://sqlite.org/compile.html#threadsafe>
If you're treating the threads independently, each with their own
database connections, you should be safe with =2 ("multithread").
That provides less protection than =1 ("serialized"), but it is also
faster. Continued from above:
When compiled with SQLITE_THREADSAFE=2, SQLite can be used in a
multithreaded program so long as no two threads attempt to use
the same database connection at the same time.
-j
--
Jay A. Kreibich < J A Y @ K R E I B I.C H >
"Intelligence is like underwear: it is important that you have it,
but showing it to the wrong people has the tendency to make them
feel uncomfortable." -- Angela Johnson
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