Re: sqlite3

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> Which sounds like a problem different from what you saw?

It may stem from the (incomplete) fix I added for the original problem,
though.

> Adding (sleep-for 3) after call-process doesn't entirely fix the
> problem, although it becomes more rare.
>
> I've installed a change in multisession.el that makes the problem much
> more rare by forcing 'fsync' when we close the value file.  The
> problem is not yet gone entirely, though: it happens with about 25%
> probability here.  I think it could be related to the fact that
> 'rename-file' is not an atomic operation on MS-Windows. But that's a
> wild guess, I have no basis for it.

Right.  I'll do some further testing, but the real fix is to add some
backoff logic when the file is locked, which I'll do now.  (And in that
case, I think the `fsync' should be unnecessary.)

-- 
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   bloggy blog: http://lars.ingebrigtsen.no