pgsql: Use usleep instead of select for timeouts in PostgresNode.pm

Use usleep instead of select for timeouts in PostgresNode.pm

select() for pure timeouts is not portable, and in particular doesn't
work on Windows.

Discussion: /messages/by-id/186943e0-3405-978d-b19d-9d3335427c86@2ndQuadrant.com

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/6c6970a280a50434c28ccd461ba864798f5d2a04

Modified Files
--------------
src/test/perl/PostgresNode.pm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers