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000206_fdc@watsun.cc.columbia.edu_Wed Dec 5 13:10:58 EST 2001.msg
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Article: 13029 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!fdc
From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: UUCP lockfile name for SVR4
Date: 5 Dec 2001 18:10:17 GMT
Organization: Columbia University
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Message-ID: <9ulnu9$6v2$1@newsmaster.cc.columbia.edu>
References: <9ujr5a$17p$1@newsmaster.cc.columbia.edu> <e843e207.0112050039.104d1565@posting.google.com> <9uldk3$ool$1@newsmaster.cc.columbia.edu> <9ulm9i$f74$1@samba.rahul.net>
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Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:13029
In article <9ulm9i$f74$1@samba.rahul.net>, <dold@88.usenet.us.com> wrote:
: 10 years? I suppose that's about right, which would explain why I can't
: break enough cobwebs. I might still have some of my "official SVR4"
: code at home... I did make some locking changes in uugetty, and kermit
: used to work on the Unisys and Unixware SVR4 platforms.
:
: I recall that these three elements combine to uniquely identify a single
: inode across file systems. Doesn't the first element reflect the file
: system where the device inode resides? So the comment "inode" is right,
: in that it refers to the inode number of the mounted device, it could
: just be expanded a little.
:
It's apparently st_dev, not st_ino. The latter would be within a file
system, whereas the former (I think) identifies the file system itself.
which is sort of what you said.
: Even if you don't have any modems, can't you still test the locking on
: your SVR4 platform?
:
My multi-OS PC is "in the shop" at the moment. I tried this on our
central big Solaris systems, but none of them have the UUCP programs
installed. I tried it on a SINIX box that I own, but could not make cu
open the line -- it's the usual ridiculous mess with the Systems and
Devices file, and even when I (think I) got that right, apparently cu
STILL won't open the device and create the lockfile if nothing appears to
be plugged into the port -- it just sits there for a long time and then
times out. After an hour or two of this (plus consulting SVID for both
SVR3 and SVR4 and searching the Web), I figured I'd just ask.
- Frank