Re: [HACKERS] PATCH: Make pg_stop_backup() archive wait optional

On Tue, Feb 28, 2017 at 9:25 AM, David Steele <david@pgmasters.net> wrote:
> I also marked the pg_stop_* functions as parallel restricted, the same
> as pg_start_backup().  Previously they were parallel safe which I don't
> believe is accurate for the non-exclusive version at the very least,
> since it is tied to a particular backend.

Yeah, those should really be parallel restricted. For the exclusive
version, having the function run in parallel would also lead to errors
per the presence/lack of backup_label file.
-- 
Michael