Date: Mon, 30 Nov 1998 03:04:18 +0000 From: Ruslan Shevchenko <Ruslan@Shevchenko.Kiev.UA> To: Greg Lehey <grog@lemis.com> Cc: rssh@grad.kiev.ua, Adrian Filipi-Martin <adrian@ubergeeks.com>, dyson@iquest.net, wes@softweyr.com, tlambert@primenet.com, hackers@FreeBSD.ORG Subject: Re: System V init (was: Linux to be deployed in Mexican schools; Where was FreeBSD?) Message-ID: <36620B32.74F76F43@Shevchenko.Kiev.UA> References: <Pine.BSF.3.96.981129164342.867C-100000@lorax.ubergeeks.com> <3661E443.5E392E32@Shevchenko.Kiev.UA> <19981130111623.E831@freebie.lemis.com>
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Greg Lehey wrote: > OK, but you can do this in System V as well. I still haven't seen > anything that explains what System V init will do (and BSD init won't) > that we need to implement automatic startup and stopping of > subsystems. > on SYSV I can say init "run-level-less-than-database" init "normal-run-level" and sybsystems whill be closed and started up in stack order. And SNMP service from pevious example will work. I. e. in SYSV dependences between subsystem are implicity stored in /etc/rc dierectory tree. X depend from Y --> X must start after Y -> /etc/rc/X.rank > /etc/rc/Y.rank or if X.rank = Y.rank then S<X-NUMBER>-X bigger than S<Y-NUMBER>-Y for FreeBSD, I think, ideally is to have explicit graph of dependences, in some form, where init-states is marks of nodes on it, and during init close all nodes which have rank biggest then argument. may be in each rc.X implement command 'depend_from' which show all programs, after restarting of ones is nessesory to restart X. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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