From 378838ad9e7e724a1a3e8c8727f1ba65e995863a Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Wed, 6 Oct 2010 22:51:02 +0200 Subject: hurd/translator/procfs/jkoenig: New. --- hurd/translator/procfs/jkoenig.mdwn | 76 +++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 hurd/translator/procfs/jkoenig.mdwn (limited to 'hurd/translator/procfs') diff --git a/hurd/translator/procfs/jkoenig.mdwn b/hurd/translator/procfs/jkoenig.mdwn new file mode 100644 index 00000000..1275ce52 --- /dev/null +++ b/hurd/translator/procfs/jkoenig.mdwn @@ -0,0 +1,76 @@ +[[!meta copyright="Copyright © 2010 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +In August 2010, Jérémie Koenig [published another, new +version](http://lists.gnu.org/archive/html/bug-hurd/2010-08/msg00165.html). +This can be found in , +branch *jkoenig/master*. + +Testing it is as simple as this: + + $ git clone git://git.savannah.gnu.org/hurd/procfs.git + $ cd procfs/ + $ git checkout jkoenig/master + $ make + $ settrans -ca proc procfs --compatible + $ ls -l proc/ + + +# Open Issues + +[[!tag open_issue_hurd]] + + * IRC, #hurd, around September 2010 + + jkoenig: from a quick read, your procfs implementation seems quite + simple, probably much more what I was expecting from Madhusudan (who probably + now hates you :) ) + jkoenig: is it not possible to provide a /proc/self which points at the + client's pid? + (also, shouldn't /proc/version say something else than "Linux"?) + to make linux tools work, no :/ + kfreebsd does that too + really? + yes + (kfreebsd, not freebsd) + does kbsd's one print just "Linux version x.y.z" too, or something + more eg in a second line? + (as curiosity) + % cat /proc/version + Linux version 2.6.16 (des@freebsd.org) (gcc version 4.3.5) #4 Sun Dec + 18 04:30:00 CET 1977 + k + I had some problems with killall5 to read the pid from /proc, Is + this now more reliable? + I haven't tested with jkoenig's implementation + [...] + looks like he did 'self' too, see rootdir_entries[] in rootdir.c + but it doesn't point at self + youpi: there is no way to provide /proc/self, because the server + doesn't know the identity of the client + :/ + youpi: using the existing mechanisms, we would need another magic + lookup type + an alternative idea I discussed with cfhammer once would be for the + client to voluntarily provide it's identity to the server... but that would + be a rather fundamental change that requires careful consideration + also, object migration could be used, so the implementation would be + provided by the server, but the execution would happen in the client... but + that's even more involved :-) + but we've seen how much that'd help with a lot of other stuff + I'm not sure whether we discussed this on the ML at some point, or + only on IRC + it "just" needs to be commited :) + in either case, it can't hurt to bring this up again :-) + + * IRC, #hurd, around October 2010 + + the only glitch is that files/dirs have the right user as + owner, but always with root group -- cgit v1.2.3