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Re: sqlite threadsafe

From: David Glasser <glasser_at_davidglasser.net>
Date: 2007-11-20 18:31:20 CET

On Nov 19, 2007 4:59 PM, Dan Christian <dchristian@google.com> wrote:
> Argh! Not this again. openssl has similar problems (under serf).
> On Nov 19, 2007 1:46 PM, David Glasser <glasser@davidglasser.net> wrote:
> > Apparently SQLite requires you to compile it with -DSQLITE_THREADSAFE
> > to be at all threadsafe. (There's a way to check at runtime
> > (sqlite3_threadsafe()) if this is so, but that's an experimental API
> > that may vanish.)
> Don't let it vanish. Runtime checks are the only foolproof way to verify this.

"Don't let it vanish" may be backwards, sadly, since the API doesn't
seem to have shown up until 3.5 (and we're already having issues with
Etch not supporting even 3.3.9 for an API).

> >
> > Should we add something to INSTALL telling people they must build
> > against a threadsafe SQLite if they are going to be using a thready
> > server?
> YES! And configure should verify this. Otherwise, it looks like
> subversion is flaky.

I don't think it can verify it unless we require 3.5.


David Glasser | glasser_at_davidglasser.net | http://www.davidglasser.net/
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Received on Tue Nov 20 18:44:33 2007

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