On Fri, Jan 5, 2018 at 2:38 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > * I think the Asserts in ConditionVariablePrepareToSleep and > ConditionVariableSleep ought to be replaced by full-fledged test and > elog(ERROR), so that they are enforced even in non-assert builds. > I don't have a lot of confidence that corner cases that could violate > those usage restrictions would get caught during developer testing. > Nor do I see an argument that we can't afford the cycles to check.
I think those usage restrictions are pretty basic, and I think this might be used in some places where performance does matter. So -1 from me for this change. > * ConditionVariablePrepareToSleep needs to be rearranged so that failure > to create the WaitEventSet doesn't leave us in an invalid state. +1. > * A lot of the comments could be improved, IMHO. No opinion without seeing what you propose to change. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company