From:
kernelnewbies-bounce@xxxxxxxxxxxx [mailto:kernelnewbies-bounce@xxxxxxxxxxxx] On Behalf Of sanjay kumar
Sent: Thursday, August 05, 2004
10:28 AM
To: amith
Cc: KERNEL
Subject: Re: Re: Communication
between kernel and user application
hi
On Tue, 03 Aug 2004 amith wrote :
>Mauricio Lin wrote:
>
>>Hi all,
>>
>>Does anyone know how can i develop a program that
>>communicates with kernel?
>>
>>I would like to develop an application that can read
>>some kernel data structures like task struct?
>>
>>BR,
>>
>>Mauricio Lin.
>>
> as somebody already
mentioned write a new system call , >and the other way would be to use a
device file to read and write >something from the kernel. for every read
your device_read can read >the task_struct of whichever pid you want the
task_struct of , and >your user program could pass the pid or prog name of
the process.
Can you please explain this device file read/write method in more detail
>this is a simple and easier way of reading/writing to the kernel. >Read
a little about module programming and you can implement it >without much
trouble.
>
>hope that helped.
>cheers,
>Amith
>
TIA
sanjayk