Re: Brittleness in regression test setup

Peter Eisentraut wrote:
> Tom Lane wrote:
>> One thing we should do is have pg_regress.c, not the Makefile,
>> select the default port to use.  The concatenate-5 behavior is
>> just not intelligent enough.
>
> How about something like this, constructing a port number from the  
> version and a timestamp?  We could also take 2 more bits from the  
> version and give it to the timestamp, which would make this a bit safer,  
> I think.

Is it possible to make it retry in case the chosen port is busy?  I
guess a simple check should suffice, ignoring the obvious race condition
that someone uses the port after you checked it was OK.

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support