Re: Finding symlink information in MAC Framework

2011-07-28 Thread jan . grant
of their files without checking if anyone else had it linked first. It was a multiuser system that hosted undergraduates, so obviously this wasn't just a theoretical problem. -- jan grant, University of Bristol. But not for much longer! Update your address books: j...@ioctl.org http

Re: Idea for FreeBSD

2008-08-07 Thread Jan Grant
) and shove it into an opaque database I personally find problematic: compare the ISC and solaris dhcp servers, for instance. enable/disable sound interesting, however. jan -- jan grant, ISYS, University of Bristol. http://www.bris.ac.uk/ Tel +44 (0)117 3317661 http://ioctl.org/jan

Re: [patch] rm can have undesired side-effects

2006-11-02 Thread Jan Grant
anyway. -- jan grant, ISYS, University of Bristol. http://www.bris.ac.uk/ Tel +44 (0)117 3317661 http://ioctl.org/jan/ You see what happens when you have fun with a stranger in the Alps? ___ freebsd-hackers@freebsd.org mailing list http

Re: kern/99979: Get Ready for Kernel Module in C++

2006-07-12 Thread Jan Grant
it'd be interesting to try to address this but I don't think you want to start from here. jan * for the non-C++ buffs, Resource Acquisition Is Initialisation: using automatic variables of types with destructors that clean up the underlying resources when they go out of scope. -- jan grant, ISYS

Re: UFS extended attributes

2006-04-10 Thread Jan Grant
the layout itself. Looks like it is: see /usr/include/ufs/ufs/dinode.h -- jan grant, ISYS, University of Bristol. http://www.bris.ac.uk/ Tel +44 (0)117 3317661 http://ioctl.org/jan/ Theoremhood is positively decidable. It just takes time at least exponential in the length of the proof

Re: RFC: Adding a ``user'' mount option

2006-04-05 Thread Jan Grant
argument. -- jan grant, ISYS, University of Bristol. http://www.bris.ac.uk/ Tel +44 (0)117 3317661 http://ioctl.org/jan/ Solution: (n) a watered-down version of something neat. ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman

Re: C-style expression processing...

2005-04-26 Thread Jan Grant
doing AST creation or semantic analysis, many introductions to yacc show it being used to create simple calculators. You'll probably even find one on your system: /usr/share/doc/psd/15.yacc/paper.ascii.gz That probably ought to sort you out. -- jan grant, ILRT, University of Bristol. http

Re: send(2) does not block, send(2) man page wrong?

2004-01-27 Thread Jan Grant
the average throughput I was after. -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ That which does not kill us goes straight to our thighs. ___ [EMAIL PROTECTED

Re: Tuning HZ for semi-realtime applications

2003-08-11 Thread Jan Grant
://guir.berkeley.edu/projects/denim/ -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ Roger Penrose can never be convinced that this sentence is true. (If he doesn't get the joke, you can at least prove that he owes

Re: Mounting

2003-06-24 Thread Jan Grant
that this breaks (except a gazillion symlink race exploits). -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ Goedel would be proud - I'm both inconsistent _and_ incomplete

Re: nscd for freebsd

2003-06-19 Thread Jan Grant
was raised and seemed to find favour, but I don't know if that tactic has been adopted. FWIW I think it makes a lot of sense. -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ NB: with Fundamental Human Rights

Re: C coding editor

2003-02-26 Thread Jan Grant
On Wed, 26 Feb 2003, Jason Andresen wrote: Very few compilers accept code with formatting markup beyond ^Ls and TABs. You can't compile a Word document. As we plunge completely off topic, there is (was) at least one literate programming system that grokked winword. -- jan grant, ILRT

Re: Properly reaping children from a fork()

2003-02-24 Thread Jan Grant
Programming (particularly volume 1); both by the late W. Richard Stevens. Well worth the money (and you'll probably receive several recommendations along the same lines). Cheers, jan -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112

Re: maxusers and random system freezes

2002-12-05 Thread Jan Grant
and an infinite number of threads are bound to make fair progress seem to be a summation of the java way :-) -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/ Work #90: As many pseudo-intellectual sycophants as necessary

Re: Looking for pointers: loader, sysctl, kern.ipc.semmni co.

2002-04-19 Thread Jan Grant
On Fri, 19 Apr 2002, Michael Reifenberger wrote: On Thu, 18 Apr 2002, Jan Grant wrote: ... Sorry if this is a newbie question: I'm looking to tune (amongst others) kern.ipc.semmni; looking at the code (sys/kern/sysv_sem.c) the value seems pretty hardwired - proof against anything

Looking for pointers: loader, sysctl, kern.ipc.semmni co.

2002-04-18 Thread Jan Grant
to be looking through. Alas, it's about 20 years since I last looked at Forth :-( Cheers, jan * ok, some _more_ boottime magic -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] New Freedom of Information Act: theirs

Re: Patch for setgroups().

2002-04-07 Thread Jan Grant
there is no way to setgroups() if I am non-root and maybe only demon needs access to all files - child needs only access to files owned by one group. This breaks the (rare) case of using group membership for negative access control. -- jan grant, ILRT, University of Bristol. http

Re: Writing a file system? Docs? Info? Article?

2002-03-28 Thread Jan Grant
On Thu, 28 Mar 2002, Paolo Pisati wrote: Sometimes ago, I heard someone wanted to write a fs example (article? howto?) just to teach how to write a real fs under FreeBSD. Terry mentioned a wish to get a DDJ article out of it; I suspect he's lacking CFT though... -- jan grant, ILRT

Re: C vs C++

2002-03-07 Thread Jan Grant
On Wed, 6 Mar 2002, David O'Brien wrote: Why isn't Eiffel (one of those pure OOL's) used more? BECAUSE IT ISN'T C. Got it? I thought it was, because you can't write an event loop without using (infinite) recursion :-) jan PS. This is all very amusing. -- jan grant, ILRT, University

Bug? still looking, yet to knock up small test case. Suggestions solicited.

2002-03-07 Thread Jan Grant
behaviour, because those pages are eventually flushed on orderly shutdown. I'm just curious as to why sync(2) isn't forcing this. Cheers, jan -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] Ceci n'est pas

Re: Bug? still looking, yet to knock up small test case. Suggestions solicited.

2002-03-07 Thread Jan Grant
On Thu, 7 Mar 2002, Alfred Perlstein wrote: * Jan Grant [EMAIL PROTECTED] [020307 08:12] wrote: Something odd seems to be happening; I'd appreciate look here suggestions. I suspect mmapped pages aren't being flushed but gawd alone knows why. Situation: vmware2, with a fake disk, files

Re: Oh my god, Google has a USENET archive going back to 1981!

2002-01-08 Thread Jan Grant
the incredible power of remembering when this was all fields) -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287088 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] (Things I've found in my attic, #2: A hundredweight of pornography.) To Unsubscribe: send mail

RE: FreeBSD on vmware

2001-11-12 Thread Jan Grant
with nary a hitch (I use it for testing remote hands-off upgrades and for hacking around with bits and pieces like rc.d jiggery-pokery). I've had -current running on it in the past, but not looked at this recently due to a CFT suddenly being less C. -- jan grant, ILRT, University of Bristol. http

Re: new syscons screensaver

2001-05-03 Thread Jan Grant
Very neat. [forgive flippancy] On Wed, 2 May 2001, Andrew Hesford wrote: The screensaver isn't bad, and it gets pretty trippy when you focus at infinity and let the 3D-Illusions (TM) effect set in. Argh! I've just gone blind. -- jan grant, ILRT, University of Bristol. http

Re: how to test out cron.c changes? (was: cvs commit: src/etc crontab)

2001-01-09 Thread Jan Grant
to incorporating your proposed changes. Not if there's a cron_dtrt="NO" # Get cron to do the right thing in /etc/defaults/rc.conf -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287163 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] If it's broken re

Re: What about rc.shutdown.local?

2000-11-10 Thread Jan Grant
the SysV-style S* and K* patterns - that means you get to control the order of startup _and_ shutdown (which might need a different sequence). jan PS. Yeah, an all-singing, all-dancing subsystem mechanism would make all of this moot, but this method is cheap and simple, and already here. -- jan

Re: Filesystem holes

2000-10-30 Thread Jan Grant
The original question still stands, and I'm quite interested in hearing an answer. I think Ryan's looking for an equivalent to Solaris' F_FREESP fcntl; I'm not aware that one exists in FBSD - right? jan -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117

Re: BPF and Promiscuous Mode

2000-07-06 Thread Jan Grant
! -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287163 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] Bolstered by my success with vi, I proceeded to learn C with 'learn c'. To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-ha

Re: rexec as root

2000-05-12 Thread Jan Grant
. But it makes the path f least resistance the installation of a better alternative :-) jan -- jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/ Tel +44(0)117 9287163 Fax +44 (0)117 9287112 RFC822 [EMAIL PROTECTED] Spreadsheet through network. Oh yeah. To Unsubscribe: send