:
http://people.freebsd.org/~pjd/patches/md.c.3.patch
--
Pawel Jakub Dawidek http://www.FreeBSD.org
[EMAIL PROTECTED] http://garage.freebsd.pl
FreeBSD committer Am I Evil? Yes, I Am!
pgp0.pgp
Description: PGP signature
) * 512 = 0
--
Pawel Jakub Dawidek http://www.FreeBSD.org
[EMAIL PROTECTED] http://garage.freebsd.pl
FreeBSD committer Am I Evil? Yes, I Am!
pgp0.pgp
Description: PGP signature
) and changed it to be usable with my multiple ips stuff.
I haven't reviewed nor tested it yet.
--
Pawel Jakub Dawidek http://www.FreeBSD.org
[EMAIL PROTECTED] http://garage.freebsd.pl
FreeBSD committer Am I Evil? Yes, I Am!
pgp0
a simple
+ syscall module which replaces open(2) syscall. My new open(2) looks
+ like this:
Keep in mind, that there is no need to open file by giving its full path.
For example:
% cd /tmp
% cat ./foo
or:
% ln -s /tmp/foo ~/bar
% cat bar
--
Pawel Jakub Dawidek
On Tue, Jan 20, 2004 at 07:47:02PM +0100, Lukas Ertl wrote:
+ I think we should really get together on a separate mailing list - is it
+ time for freebsd-geom@ yet?
My proposal is [EMAIL PROTECTED]
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
geom_raid. RF implementation is complex
and it will take some time to well understand it in first way.
Reverse-engineering is time-consuming.
I'm opened for suggestions. If Scott is sure and determined to reanimate
RF and help me to understand RF I think I can help.
--
Pawel Jakub Dawidek
Hello hackers...
With attached patch unloading md(4) module is possible.
It also cleans up big part of code according to style(9).
Patch is also avaliable at:
http://garage.freebsd.pl/patches/md.c.patch
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems
On Mon, Nov 24, 2003 at 05:13:08PM -0800, David Schultz wrote:
+ On Mon, Nov 24, 2003, Pawel Jakub Dawidek wrote:
+ If one is using strictly defined types as uint8_t, uint16_t, int32_t, etc.
+ those macros are helpful IMHO, because futher value size changes does not
+ affects code for byte
perfromance,
because this should be resolved at compile-time.
I'm not sure if dedicated epanic() is the best way to implement out-of-range
errors prevention - the more handy solution should cause compile error.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems
is no more reading this list I'm CCing this mail to him.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
and/or link count is grater than 0. That's why allowing link(2) operation
for such files don't make much sens (the problem exists when there
are hardlinks before secure flag is set).
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http
.
There still will be a problem when modules are loaded and unloaded
in random order. Unload order have to be reverse load order, if not,
invalid pointer (of module that was already unloaded) will be stored
in sysent table.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems
recent -CURRENT, but I haven't added
anything - for me gethostbyname(3) in jail works fine.
http://garage.freebsd.pl/patches/mijail5_2.patch
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am
problems with my patch in jail, that's true.
I can't promise, but I'll try to find some time in few days to track this
problem down.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am
).
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
hope I'll find time to implement this.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
Helloi hackers...
I think this is more correct (but I haven't test it!).
I've started to implement labels for sysctls, but after thinking this
over again, I think this isn't really necessary.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator
are added, so feel free to read them first
(gg(4), geom_gate(4), ggc(8), ggd(8))
http://garage.freebsd.pl/geom_gate.tbz
Enjoy!
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am
not-atomically
why we only permit atomic reads? In atomic vs. not-atomic read only
probability of race is smaller, but it is still there.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am
CerbNG:
http://cerber.sourceforge.net
It was presented on WIP session at BSDCon03, slides are here:
http://garage.freebsd.pl/CerbNG.pdf
1.0-RC3 will be avaliable in near future.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator
will be sure that when
he locks writes to some variable this operation is safe and he could
split such writes and in kernel could be dynamic read without lock.
Does this make any sense?
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http
without locks (there are many such reads in sources). I hope I'm wrong.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description
/usmalloc.README
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
to this memory.
Sometime ago I proposed model which will allow to remove all copyin(9)
calls and many copyout(9), but I'm not so skilled in VM to implement it.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil
automatically.
Regression tests.
Performance benchmarks.
GEOM Gate is avaliable at:
http://garage.freebsd.pl/geom_gate.tbz
http://garage.freebsd.pl/geom_gate.README
See you all at BSDCon 2003!:)
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
will fail if 'thread 2' will create new file 'a' instead of
creating hard link to file 'b'.
Comments?
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http
such identifiers is easy.
+ But, I can't find any system calls that actually use this information.
+
+ Question: Are there any system calls that allow you to
+ access/modify a file based only on the device number/inode number?
Check getfh(2)/fhopen(2) syscall if you are root.
--
Pawel Jakub Dawidek
syscalls.
Of course there is overhead, but I haven't heard about security feature
that speeds up system. The only thing we can do, is to decrease overhead.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes
).
+
+ Exercise for the reader: find a situation where the failure to perform
+ a syscall that normally succeeds, leads to privilege escalation :-)
The answer is: Every network daemon. If you could compromise it,
you get local access.
--
Pawel Jakub Dawidek [EMAIL PROTECTED
transparent
for applications and I think Niels Provos shares my opinion in systrace.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
the syscall through or return
+ a failure code, nothing else).
I'm planing to do so in next CerbNG version, as well as allow jailed-roots
to load rules that affects only jailed-processes.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http
for non-open-source applications.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
This was tested over 100Mbit/s network without any network tuning.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP
and without any network and NFS optimization.
And this test was:
for write:
% dd if=/dev/zero /mnt/nfs/test bs=128k count=500
for read:
% dd if=/mnt/nfs/test /dev/null bs=128k count=500
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems
them back to the application.
+ This does mean that an application would get unexpected network-related
+ errors, but there's no obvious alternative.
Or translate all of them to EIO.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http
to mount the same filesystem on more than one machines.
It'll be, but probably in read-write mode on one machine and read-only
mode on rest machines, because you don't export file systems here, but
disk devices.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
# mount /dev/gg6 /mnt/bar
This isn't finished yet, so it also isn't bugs free.
For example don't try to run client and server stuff on this same machine,
this could case a deadlock.
Comments, etc. are of course welcome.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems
. Handle network errors.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
On Mon, Jul 21, 2003 at 01:57:59AM +0200, Pawel Jakub Dawidek wrote:
+ So as you can see I'm listing every entry that isn't writable.
+ This function is called when process is killed by kernel with SIGBUS.
+ It shows me that only this region isn't writable:
+
+ ENTRY:PID: 0-0xbfc0 (0:0
ways. Thread/process could be locked if it is trying
to access memory marked with mark() function. And this, I think, don't hit
performance, because this happends really rarely. So maybe it is better to
lock thread for a moment instead of doplicating page, but I don't think so.
--
Pawel Jakub
) are
reused somehow?
THANKS!
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
list as VM_PROT_ALL for
execve(). I'll play in the future with vm_map_delete() maybe those
pages are removable in safe way.
But why memory allocator, that is responsible for finding pages for
stack don't check their permissions?
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX
and read-only stuff interact with those bus errors?
PS. I'm CC-ing this to Matt Dillon also. I know he is quite busy now,
but maybe he will be able to track this down.
PS2. I'm talking about FreeBSD 4.x here.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
. Creating new syscall isn't good idea, creating device is more
complicated than sysctl, but of course it's up to you and your needs.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am
On Sat, Jul 19, 2003 at 09:47:08AM +0200, Pawel Jakub Dawidek wrote:
+ On Fri, Jul 18, 2003 at 03:47:05PM -0400, Marc Ramirez wrote:
+ + I have a remote datastore that I want to present as a filesystem. There
+ + are two parts to this: fetching raw data over the network, and doing some
is a bad idea.
It could only display some friendly message that procfs isn't mounted
instead of:
truss: cannot open /proc/25217/mem: No such file or directory
truss: cannot open /proc/curproc/mem: No such file or directory
--
Pawel Jakub Dawidek [EMAIL PROTECTED
Here is a race:)
# mv /bin /bin5
# mv /bin4 /bin
mv: Command not found.
:)
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http
you think ktrace should work, then fix it).
Note, that I'm not for removing truss(1). I'm only saying that in most
cases ktrace(1) is sufficient. You can always mount procfs in those
special situations.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
-CURRENT, kern.osreldate: 501102.
It is avaliable at:
http://garage.freebsd.pl/patches/jail_sysctls.patch
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http
On Thu, Jul 17, 2003 at 06:07:48PM +0200, Pawel Jakub Dawidek wrote:
+ Patch add also two flags to sysctls:
+ CTLFLAG_USERINV - sysctl is invisible for unprivileged users
+ CTLFLAG_JAILINV - sysctl is invisible in jail environment
Note, that things like
gets read-only page? But I don't think so...
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
, they got read-only pages and look at PID
of process exiting with SIGBUS.
I've spend two days(?) on tracking this down in cerb, so good luck!
PS. Note that we're talking about FreeBSD 4.x here.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator
On Sun, Jun 29, 2003 at 09:12:11AM +0200, Pawel Jakub Dawidek wrote:
+ I want to discuss two things about sysctls.
[...]
+ 2. Secound thing. I'm wondering if there is no need to and one more field
+to those macros: mutex that protects given value. Then standard functions
+sysctl_handle_
Hello hackers...
I've just send PR for this:
http://www.freebsd.org/cgi/query-pr.cgi?pr=54418
I'll be greatful if somebody could review, commit and MFC it
as soon as possible. I need to hold CerbNG next release until
it will be fixed.
Thanks!
--
Pawel Jakub Dawidek
could be closed, sorry.
PS1. Maybe you (or anyone) have better solution for syscall arguments
protecting to avoid this race?
PS2. Where could I find FreeBSD's VM specification? Or maybe I should
look for posix VM spcification?
--
Pawel Jakub Dawidek [EMAIL PROTECTED
.
The best why will be made a copy of inode struct go through changes
and copy it back only if everything succeeded. This cost performance
of course, so...
PS. This syscall will be quite usefull in tar(1) I think.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
and that they should ignore locking when this field is NULL.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
+ freebsd-4.8, but this failed the compilation.
Could you please send any compilation output on cerb mailing list?
Maybe it's just because cerb releases don't needed bison and source
from CVS head branch does.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer
cerb mailing lists.
Enjoy!!
Pawel Jakub Dawidek, Slawek Zak.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP
for an URL of
+ FreeBSD's vfs implementation documentation.
Somebody has raported that there is off-by-one error somewhere, but it
wasn't critical AFAIK. Have you found some other incorrect behaviour?
If yes, I could always fix it in my free time.
--
Pawel Jakub Dawidek
there should be malloc() version that could be called under lock.
Malloc() M_NOWAIT could be called in such scenario?
How do you handle with situations like this?
Thanks!
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http
.
Indeed, thanks!
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
1
Stop in /usr/home/nick/src/testdir.
% ls test/tst.o
ls: test/tst.o: No such file or directory
% ls tst.o
tst.o
IMHO make(1) should put .o files in current directory _and_ look for them
there when producing an executable file. Right?
--
Pawel Jakub
to
change.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
Am I Evil? Yes, I Am! http://cerber.sourceforge.net
pgp0.pgp
Description: PGP signature
in the current directory.
And this is IMHO correct behaviour. I'll try to build world and kernel
with this patch and I'm quite sure that this doesn't break anything.
Thanks.
--
Pawel Jakub Dawidek [EMAIL PROTECTED]
UNIX Systems Programmer/Administrator http://garage.freebsd.pl
On Fri, Mar 21, 2003 at 01:58:38AM +0100, Pawel Jakub Dawidek wrote:
[...]
Hackers... We have spend a lot of time on coding cerb, so we count and
will be very greatful for _any_ opinions, including it suck!.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil
are:
Pawel Jakub Dawidek [EMAIL PROTECTED]
Cerb project initiator, head programmer, kernel part
developer, polish documentation author.
Slawek Zak [EMAIL PROTECTED]
Designer of CerbNG configuration language syntax and
compiler
. Does multi-level jailing add any further restrictions to the jails within
+ the jails, besides the standard ones
+ imposed?
Nope, but jail runned in jail can't use IPs that aren't binded to parent
jail and securelevels are checked recursively.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
.
In my opinion better way is just create another jail and don't give
access to main host for regular users.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
pgp0.pgp
Description: PGP signature
jailing, IMHO it's cool:
http://garage.freebsd.pl/mljail.tbz
http://garage.freebsd.pl/mljail.README
Nice work, I'm wondering if something will be ever commited:)
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
pgp0.pgp
Description
change your homepage to reflect which parts are for 4.X and
+ 5.X ? Cool homepage btw, many cool patches on it ;)
Hmm, I'll think this over.
+ I'll test it this evening on a old STABLE box.
Thanks!
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am
] == ip)
return (1);
}
return (0);
}
And remove mapping to specified IP, INADDR_ANY should stay there.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg40065/pgp0.pgp
Description: PGP signature
it maybe. So, any volunteers?:)
Patches are attached.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg40036/pgp0.pgp
Description: PGP signature
On Wed, Feb 19, 2003 at 07:43:19PM +0100, Pawel Jakub Dawidek wrote:
+ Patches are attached.
Now!:)
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
diff -ru /sys/compat/linux/linux_ipc.c sys/compat/linux/linux_ipc.c
--- /sys/compat/linux
anybody have any regression tests for IPC functionality?
If not, which program use it and will be a good test?
Thanks.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg39981/pgp0.pgp
Description: PGP signature
://garage.freebsd.pl/mljail.tbz
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg39976/pgp0.pgp
Description: PGP signature
Now patch is attached:)
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
diff -ru /usr/src/sys/kern/kern_jail.c ./sys/kern/kern_jail.c
--- /usr/src/sys/kern/kern_jail.c Tue Jan 21 09:55:54 2003
+++ ./sys/kern/kern_jail.c Mon Feb 17 07
or at:
http://cerber.sourceforge.net/projects/cerber
to.
And it's better documented atm.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg39922/pgp0.pgp
Description: PGP signature
On Mon, Feb 10, 2003 at 06:03:07PM -0800, Julian Elischer wrote:
+ Anyoone have any modules to REALLY log execs?
Yes, we got:
http://cerber.sourceforge.net
If You want only execve() logging You can try rexec.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
On Tue, Feb 11, 2003 at 03:40:28AM +0100, Pawel Jakub Dawidek wrote:
+ + Anyoone have any modules to REALLY log execs?
+
+ Yes, we got:
+
+ http://cerber.sourceforge.net
+
+ If You want only execve() logging You can try rexec.
Or wait on cerb-ng first release. There is defined such policy
Submitter-Id: current-users
Originator:Pawel Jakub Dawidek
Organization:
Confidential: no
Synopsis: Missing commit bit [PATCH].
Severity: critical
Priority: high
Category: misc
Class: change-request
Release: All of them.
Environment:
Any.
Description
On Tue, Feb 04, 2003 at 10:48:40AM +0100, Pawel Jakub Dawidek wrote:
+ There is commit bit for Matthew Dillon [EMAIL PROTECTED].
Grr:) s/is/ISN'T/
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg39615/pgp0.pgp
Description: PGP
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg39559/pgp0.pgp
Description: PGP signature
that are
done before longjmp().
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
On Thu, Jan 09, 2003 at 11:03:55AM -0500, Jake Burkholder wrote:
+ The kernel longjmp only ever seems to return 1. See i386/i386/support.s.
That's right, thanks!
But this is strange, setjmp/longjmp are defined in C99 and there
setjmp() returns value from longjmp().
--
Pawel Jakub Dawidek
UNIX
place and when I'm returning with
longjmp() I need to just unlock everything that was locked between setjmp()
and longjmp() and this is easy, because every lock is stored in my-thread
structure.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am
to patch kernel at all.
This have to be done from kld module.
PS. I think this over againg and You and Julian Elischer probably have
right - I need to update cached names on rename(2) and unlink(2).
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am
... ever.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
]-f_ops-fo_close() functions.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
better that file name isn't updated on rename(2).
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
. Exactly that same for execve() and exit1() and for
open() and p-p_fd-fd_ofiles[X]-f_ops-fo_close().
This don't have to be done via VFS caching mechanism, this could also
be made by some separated mechanism used only for this.
Think over this, please!
--
Pawel Jakub Dawidek
UNIX Systems
on filenames.
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
Root's password: root's password
?
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
To Unsubscribe: send mail to [EMAIL PROTECTED]
with unsubscribe freebsd-hackers in the body of the message
Hello hackers...
I've wrote file system that operate on sysctl tree.
Most of work is done, but some cosmetic changes are needed.
If somebody think that this can be usefull...
http://garage.freebsd.pl/sysctlfs.README
http://garage.freebsd.pl/sysctlfs.tbz
--
Pawel Jakub Dawidek
On Tue, Dec 24, 2002 at 08:35:55AM +0100, Pawel Jakub Dawidek wrote:
+ Hello hackers...
+
+ I've wrote file system that operate on sysctl tree.
+ Most of work is done, but some cosmetic changes are needed.
+ If somebody think that this can be usefull...
+
+ http://garage.freebsd.pl
));
}
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg38801/pgp0.pgp
Description: PGP signature
understand You well).
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg38804/pgp0.pgp
Description: PGP signature
it).
So is there some diffrent way to get syscall number (in -STABLE
or in -CURRENT)? Anyone?
--
Pawel Jakub Dawidek
UNIX Systems Administrator
http://garage.freebsd.pl
Am I Evil? Yes, I Am.
msg38792/pgp0.pgp
Description: PGP signature
On Fri, Dec 20, 2002 at 07:43:37PM +0100, Pawel Jakub Dawidek wrote:
+ Simple example (from kld module):
+
+ sysent[SYS_chmod].sy_call = myfunction;
+ sysent[SYS_open].sy_call = myfunction;
+ sysent[SYS_execve].sy_call = myfunction;
+
+ int
+ myfunction(register struct proc *p, register void
101 - 200 of 228 matches
Mail list logo
