Log Message:
-----------
Use pg_usleep() not sleep(), per Andrew Dunstan.
Modified Files:
--------------
pgsql/src/backend/postmaster:
pgarch.c (r1.10 -> r1.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/pgarch.c.diff?r1=1.10&r2=1.11)