Am 07.04.2011 09:37, schrieb dmex:
It was 2am and I was being 'trolled'/abused for my lack of enthusiasm and
support for Linux, I regret it spilled over in my reply for a completely
different subject.
I'm pacifist and it was by no means supposed to be harsh and should not have
been directed at others about an unrelated subject.
No harm was done.
As said: I didn't even notice it :P
Regards,
Sven
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Sven Barth
Sent: Thursday, 7 April 2011 3:14 PM
To: [email protected]
Subject: Re: [ros-dev] Advice required on User-mode to Kernel mode call for
syslog(2) analog in ROS
Am 06.04.2011 23:20, schrieb dmex:
-And that's why I suggested a device driver... so one can add once own
"extensions" without sacrificing compatibility :)
That could work, It could read or write the 'DBWIN_BUFFER' file and
allow a replacement driver to support outputs using other methods.
I also apologize for my last e-mail, It was very harsh, totally
unwarranted and uncalled for.
Seems like your "harshness" didn't come along as you "wanted" it to...
Or perhaps I was to tired to recognize that it was meant in a harsh way...
^^
Regards,
Sven
-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Sven Barth
Sent: Thursday, 7 April 2011 5:10 AM
To: [email protected]
Subject: Re: [ros-dev] Advice required on User-mode to Kernel mode
call for
syslog(2) analog in ROS
On 06.04.2011 22:53, dmex wrote:
DebugPring/OutputDebugString would be a good place to start learning
how Windows outputs kernel messages ;)
http://sumeshvv.wordpress.com/2010/12/02/how-the-outputdebugstring-ap
i
-works
/
ReactOS OutputDebugString Source:
http://doxygen.reactos.org/da/def/dll_2win32_2kernel32_2debug_2output
_
8c_a94
90feb381d7062ca6e5a28bdeacd6d2.html
I'll put that on my todo list once I have a few minutes :D
Minas's idea is terrible in my opinion, "Do we need special system
call like Linux, or even more, the whole family of them (sysctl('*'))
as in BSD?" as ReactOS is designed for binary compatibility with
Windows, Not BSD or Linux and it should stay that way.
And that's why I suggested a device driver... so one can add once own
"extensions" without sacrificing compatibility :)
-----Original Message-----
From: [email protected]
[mailto:[email protected]]
On Behalf Of Sven Barth
Sent: Thursday, 7 April 2011 4:05 AM
To: [email protected]
Subject: Re: [ros-dev] Advice required on User-mode to Kernel mode
call for
syslog(2) analog in ROS
On 06.04.2011 21:26, dmex wrote:
What's wrong with current method of using the memory mapped
'DBWIN_BUFFER'
file for outputting kernel messages?
That I didn't know about it :P
Two or three different kernel implementations for the same thing
seems a bit retarded and breaks compatibility with existing
applications like
Dbgview.
I'm just looking at the source of ReactOS from time to time when I
have the need to check out how a certain function behaves under the
hood (especially while I ported the Free Pascal compiler to the
Native NT API), but I weren't yet aware how those debug outputs work.
As Minas mentioned that he'd like to add a syscall/API function
compareable to syslog I just thought that it would be wiser (from my
restricted point of
view) to write a driver for this that would allow to extend the
system dynamically.
Regards,
Sven
-----Original Message-----
From: [email protected]
[mailto:[email protected]]
On Behalf Of Sven Barth
Sent: Wednesday, 6 April 2011 8:54 PM
To: [email protected]
Subject: Re: [ros-dev] Advice required on User-mode to Kernel mode
call for
syslog(2) analog in ROS
Am 06.04.2011 02:09, schrieb Minas Abrahamyan:
Hi all,
I'm going to implement dmesg.exe, a ROS application to read
dmesg/kmsg buffer (debug messages in kernel buffer), which is
filled in by appropriate patch 6018
(here: http://www.reactos.org/bugzilla/show_bug.cgi?id=6018 ) (BTW,
it's not yet reviewed and not applied!).
So I'm requesting advice on:
What would be the better way for user-mode code to get the contents
of kmsg buffer in kernel-space (kdbg)?
Shortly:
Linux has special system call "syslog" (man 2 syslog) FreeBSD uses
its special sysctl interface to kernel along with 'kern.msgbuf'
parameter.
My questions:
Do we need special system call like Linux, or even more, the whole
family of them (sysctl('*')) as in BSD?
How to implement simple system call for it, now?
I'm not one of the ReactOS devs and also I'm not writing much here,
but what about implementing a (legacy type) device driver that
provides a device object (e.g. \Device\kmsg) that can be read from
(no writing
though) and some code for DeviceIOControl to clear/config the buffer?
Regards,
Sven
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