Date: Sun, 05 Aug 2001 15:12:58 +0100 From: Brian Somers <brian@Awfulhak.org> To: Dima Dorfman <dima@unixfreak.org> Cc: arch@FreeBSD.ORG, brian@freebsd-services.com Subject: Re: Library routine to load a kld if it already isn't Message-ID: <200108051412.f75ECwu42771@hak.lan.Awfulhak.org> In-Reply-To: Message from Dima Dorfman <dima@unixfreak.org> of "Fri, 03 Aug 2001 13:31:01 PDT." <20010803203106.447343E35@bazooka.unixfreak.org>
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> Programs that control a certain driver or set of drivers (e.g., > ifconfig, ccdconfig, mdconfig) attempt to load the module they'll be > working with if it isn't already present. They do it in different > ways, and the most correct way (i.e., the one that handles the most > cases properly) is liable to change if the kld subsystem ever changes. > I propose to add a library routine, kldmaybeload(3), that will check > if a certain module is present in the kernel, and load it if it isn't. > This will cut down on duplicated code, and may save some headaches > later if the kld interface changes. > > Sharball of the implementation and man page is attached (extract into > src/lib/libc/gen). Comments? Suggestions? This is normally done with: if (modfind("module") == -1 && ID0kldload("module") == -1) errx(); I don't think it's a good idea to change this. -- Brian <brian@freebsd-services.com> <brian@Awfulhak.org> http://www.freebsd-services.com/ <brian@[uk.]FreeBSD.org> Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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