Re: Add non-blocking version of PQcancel

Resending with a problematic email removed from CC...

On Mon, Apr 04, 2022 at 03:21:54PM +0000, Jelte Fennema wrote:
> 2. Added some extra sleeps to the cancellation test, to remove random failures on FreeBSD.

Apparently there's still an occasional issue.
https://cirrus-ci.com/task/6613309985128448

result 232/352 (error): ERROR:  duplicate key value violates unique constraint "ppln_uniqviol_pkey"
DETAIL:  Key (id)=(116) already exists.

This shows that the issue is pretty rare:
https://cirrus-ci.com/github/postgresql-cfbot/postgresql/commitfest/38/3511

-- 
Justin