> No - there is not sl_ctl at present, so we should not add one. We only
> did that on PostgreSQL because pg_ctl already existed. Adding the
> service code directly to slon is no problem anyway - that's how I did it
> with pg_autovacuum.

Ooops, Do you work service into slon?
>From the main of slon  to control exec slon process.
Probably, you are the thought which solves a HUP problem.:-)

Regards,
Hiroshi Saito