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Environment Query Functions.
- To: "common-lisp" <common-lisp@su-ai.ARPA>
- Subject: Environment Query Functions.
- From: "BACH::GREEK" <firstname.lastname@example.org>
- Date: Mon, 28 Apr 1986 14:36:00 -0000
- Reply-to: "BACH::GREEK" <email@example.com>
I think the watchword is "short and sweet" as far as the environment
query functions are concerned. Here's what we do for VAX LISP.
LISP-IMPLEMENTATION-TYPE is "VAX LISP".
LISP-IMPLEMENTATION-VERSION is something like "V2.0".
MACHINE-TYPE is the machine name, like "DEC VAX 11/780" "DEC VAXstation II".
MACHINE-VERSION is tough to call, so we return the SID register, which
uniquely identifies the CPU. Not so great.
MACHINE-INSTANCE is setable by the system manager/user.
SOFTWARE-TYPE is "VMS" or "ULTRIX".
SOFTWARE-VERSION is whatever the operating system says its version is.
SHORT-SITE-NAME & LONG-SITE-NAME is setable by the system manager/user.
In particular, we felt in the three cases where it's setable that we
just couldn't guess what it ought to be.