Date: Fri, 19 Oct 2007 09:41:04 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: arch@freebsd.org, "Constantine A. Murenin" <cnst@freebsd.org> Subject: Re: sensors fun.. Message-ID: <81952.1192786864@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 19 Oct 2007 11:34:44 %2B0200." <20071019113444.xinyc37x9cg0ckk0@webmail.leidinger.net>
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In message <20071019113444.xinyc37x9cg0ckk0@webmail.leidinger.net>, Alexander L eidinger writes: >I was thinking you talk about the interface between the kernel and the >userland. Now I think that you talk more or less about something which >could be implemented e.g., as an userland library which not only polls >the kernel sensors framework, but provides the single-system sensor >data (and could be a base of a singe-system sensor daemon which feeds >its data to a group-level sensors framework). Does this sound like >what you have in mind? It certainly sounds more sensible. The kernel-userland interface should happen over a filedescriptor (either device or unix-domain socket) so that whatever daemon we park on the fd can just use select/poll/kqueue to wait for events. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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