Re: Improving the performance of system boot by eliding unused rc.d scripts and caching the result

[David Holland <dholland-tech%netbsd.org@localhost>]

On Wed, Aug 19, 2026 at 06:43:20AM -0400, Greg Troxel wrote:
 > > Is there any reason for the barrier scripts to physically exist?
 > 
 > Picking one arbitrarily,
 > 
 >   # $NetBSD: LOGIN,v 1.8 2022/03/02 01:55:18 gutteridge Exp $
 > 
 >   # PROVIDE: LOGIN
 >   # REQUIRE: DAEMON
 > 
 > I can see how you can impute that LOGIN provides LOGIN, but someplace
 > the information the LOGIN requires DAEMON has to exist.
 > 
 > How would you store and configuration manage the ordering requirements
 > among barrier scripts?

Just off the top of my head, you could:

 - hardwire the barrier sequence (admittedly not a great plan)
 - put it on the rcorder command line
 - put it all in a single non-executable file

-- 
David A. Holland
dholland%netbsd.org@localhost