Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Have people considered flock (advisory locking) on the postmaster.pid
> file for backend detection?
$ man flock
No manual entry for flock.
$
HPUX has generally taken the position of adopting both BSD and SysV
features, so if it doesn't exist here, it's not portable to older
Unixen ...
regards, tom lane