From owner-freebsd-current  Mon Oct 23  1: 6: 3 2000
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Date: Mon, 23 Oct 2000 01:05:27 -0700
From: "David O'Brien" <obrien@FreeBSD.ORG>
To: bv@wjv.com
Cc: freebsd-current@FreeBSD.ORG
Subject: Re: new rc.network6 and rc.firewall6
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References: <ume@mahoroba.org> <81966.972151537@winston.osd.bsdi.com> <20001022153957.A4742@dragon.nuxi.com> <20001022214151.C7279@wjv.com>
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In-Reply-To: <20001022214151.C7279@wjv.com>; from bill@bilver.wjv.com on Sun, Oct 22, 2000 at 09:41:51PM -0400
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On Sun, Oct 22, 2000 at 09:41:51PM -0400, Bill Vermillion wrote:
> One of the reasons for the numbers in the SysVR4 arena is to
> set the order of execution so programs which other depend upon
> are executed first.  How does the NetBSD solve this problem.

Very coolly.  The main rc script runs a script named `rcorder' to
generate the proper order.  rc.shutdown also uses `rcorder' but reverses
the ordering.  Two examples are included below to show what `rcorder'
uses to generate the list.  These NetBSD rc files also provide "start",
"stop", "restart", "status", etc. commands to assist the sysadmin.
Again, *very* slick and still quite BSD-like.


=== /etc/rc.d/ypbind ===
#!/bin/sh
#
# $NetBSD: ypbind,v 1.3 2000/05/13 08:45:10 lukem Exp $
#

# PROVIDE: ypbind
# REQUIRE: ypserv

. /etc/rc.subr

name="ypbind"
rcvar=$name
command="/usr/sbin/${name}"
start_precmd="ypbind_precmd"

ypbind_precmd()
{
	_domain=`domainname`
	if [ -z "$_domain" ]; then
		warn "domainname(1) is not set."
		return 1
	fi
}

load_rc_config $name
run_rc_command "$1"


=== /etc/rc.d/ypserv ===
#!/bin/sh
#
# $NetBSD: ypserv,v 1.4 2000/06/02 22:54:13 fvdl Exp $
#

# PROVIDE: ypserv
# REQUIRE: rpcbind

. /etc/rc.subr

name="ypserv"
rcvar=$name
command="/usr/sbin/${name}"
required_vars="rpcbind"
start_precmd="ypserv_precmd"

ypserv_precmd()
{
	_domain=`domainname`
	if [ -z "$_domain" ]; then
		warn "domainname(1) is not set."
		return 1
	fi

	if [ ! -d /var/yp/$_domain/. ]; then
		warn "/var/yp/$_domain is not a directory."
		return 1
	fi
}

load_rc_config $name
run_rc_command "$1"


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