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authorThomas Schwinge <thomas@schwinge.name>2010-10-06 22:51:02 +0200
committerThomas Schwinge <thomas@schwinge.name>2010-10-06 22:51:02 +0200
commit378838ad9e7e724a1a3e8c8727f1ba65e995863a (patch)
treeba95a0804acb732c01002c132d91af0c3f560443
parent172cf542a588ef4c5b97278d801d7f3f35c379ab (diff)
hurd/translator/procfs/jkoenig: New.
-rw-r--r--hurd/translator/procfs.mdwn24
-rw-r--r--hurd/translator/procfs/jkoenig.mdwn76
2 files changed, 77 insertions, 23 deletions
diff --git a/hurd/translator/procfs.mdwn b/hurd/translator/procfs.mdwn
index 80f822e3..70448e94 100644
--- a/hurd/translator/procfs.mdwn
+++ b/hurd/translator/procfs.mdwn
@@ -26,30 +26,8 @@ probably no point in trying to duplicate this functionality as well...)
*Status*: Madhusudan.C.S has implemented a new, fully functional [[procfs|madhusudancs]] for
[[GSoC 2008|community/gsoc/2008]].
-# New Implementation by Jérémie Koenig
-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 <http://git.savannah.gnu.org/cgit/hurd/procfs.git/>,
-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]]
-
- * Files' permissions:
-
- <pinotree> the only glitch is that files/dirs have the right user as owner, but always with root group
+# [[New Implementation by Jérémie Koenig|jkoenig]]
# Old Implementation from [[open_issues/HurdExtras]]
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 <http://git.savannah.gnu.org/cgit/hurd/procfs.git/>,
+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
+
+ <youpi> 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 :) )
+ <youpi> jkoenig: is it not possible to provide a /proc/self which points at the
+ client's pid?
+ <pinotree> (also, shouldn't /proc/version say something else than "Linux"?)
+ <youpi> to make linux tools work, no :/
+ <youpi> kfreebsd does that too
+ <pinotree> really?
+ <youpi> yes
+ <youpi> (kfreebsd, not freebsd)
+ <pinotree> does kbsd's one print just "Linux version x.y.z" too, or something
+ more eg in a second line?
+ <pinotree> (as curiosity)
+ <youpi> % cat /proc/version
+ <youpi> Linux version 2.6.16 (des@freebsd.org) (gcc version 4.3.5) #4 Sun Dec
+ 18 04:30:00 CET 1977
+ <pinotree> k
+ <giselher> I had some problems with killall5 to read the pid from /proc, Is
+ this now more reliable?
+ <youpi> I haven't tested with jkoenig's implementation
+ [...]
+ <pinotree> looks like he did 'self' too, see rootdir_entries[] in rootdir.c
+ <youpi> but it doesn't point at self
+ <antrik> youpi: there is no way to provide /proc/self, because the server
+ doesn't know the identity of the client
+ <youpi> :/
+ <antrik> youpi: using the existing mechanisms, we would need another magic
+ lookup type
+ <antrik> 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
+ <antrik> 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 :-)
+ <youpi> but we've seen how much that'd help with a lot of other stuff
+ <antrik> I'm not sure whether we discussed this on the ML at some point, or
+ only on IRC
+ <youpi> it "just" needs to be commited :)
+ <antrik> in either case, it can't hurt to bring this up again :-)
+
+ * IRC, #hurd, around October 2010
+
+ <pinotree> the only glitch is that files/dirs have the right user as
+ owner, but always with root group