Set KEEPEALIVE socket option on pmproxy client sockets.
This mirrors the same option which is set by pmcd, which was added there for SGI PV 916354 but evidentally missed going into pmproxy.
Set KEEPEALIVE socket option on pmproxy client sockets.
This mirrors the same option which is set by pmcd, which
was added there for SGI PV 916354 but evidentally missed
going into pmproxy.