[PATCH v4] lib: Simplify close and codify aborting atomic section

[W. Trevor King]

On Thu, Oct 02, 2014 at 04:39:41PM -0400, Austin Clements wrote:
> On Thu, 02 Oct 2014, W. Trevor King wrote:
> > On Thu, Oct 02, 2014 at 03:19:08PM -0400, Austin Clements wrote:
> >> This patch simplifies notmuch_database_close to explicitly abort
> >> any outstanding transaction and then just call Database::close.
> >> This works for both read-only and read/write databases, takes
> >> care of committing changes, unifies the exception handling path,
> >> and codifies aborting outstanding transactions.
> >
> > I don't expect atomic blocks are particularly useful for read-only
> > connections.  If they aren't, I'd quibble with the “This works for
> > both read-only…” wording above.  If they are, I'd drop the
> > read/write
> 
> It's true that atomic sections aren't very useful on a read-only
> database, but we do allow them for symmetry.

Heh, and they're no-ops since the beginning in 957f1ba3 (lib: Add
notmuch_database_{begin,end}_atomic, 2011-01-29).  So both the commit
message and read/write check make sense.  Quibble retracted.

Cheers,
Trevor

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