Re: Daemonizing processes in NetBSD

[RVP <rvp%SDF.ORG@localhost>]

On Wed, 17 Feb 2021, Bob Proulx wrote:

> Starting a new process that does not know how to detach from the
> controlling terminal is the point where you either need it to know
> how to call setsid(2) or you need something else installed on the
> system which knows how to call setsid(2).

The BSDs (and also Linux) have long had a daemon(3) library function
which does setsid(2) and the other stuff needed to become a
well-behaved daemon. It shouldn't be too hard to make a call in
your program, or to write a wrapper (or port FreeBSD's daemon(8))
for programs which can't be modified.

-RVP