Thomas Munro wrote: > I thought about this when designing the DSA API. I couldn't think of > any good reason to provide an 'am-I-already-attached?' function > equivalent to dsm_find_mapping. It seemed to me that the client code > shouldn't ever be in any doubt about whether it's attached, and that > wilfully or absent-mindedly throwing away dsa_area pointers and having > to ask for them again doesn't seem like a very good design. I suspect > the same applies to dsm_find_mapping, and I don't see any callers in > the source tree or indeed anywhere on the internet (based on a quick > Google search). But I could be missing something.
I think such an API call is potentially useful for things like assertion checks, if nothing else. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
