General :: Error While Adding The New System Call?

Jun 9, 2011

I have added a new system call for kernel version Linux 2.6.25-14.fc9.i686. after kernel compilation and running the user mode program i am getting the below error

Error :: Function not implemented
Error number 29

I cannot find the syscall_table.S or entry.S file in the source code , so i didn't made the entry of the syscall in this file, how much necessary the entry of syscall presence in this list and how to get this file?

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Ubuntu :: Adding A Call System To Kernel?

Apr 21, 2010

My ubuntu version is 9.10

I was working on adding a call system to my linux kernel.

I tried a lot of threads and .pdf files which explaining how to add a system call. Like :

1- This thread
2- .pdf file

and many ..

I tried working with linux-2.6.18.1 , 2.6.33.1 , 2.6.28.1 and many many.

But , all of them are returning -1 as result ..

I prefer working on 2.6.28 kernel version or above like 2.6.33.1

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Programming :: Simple Example Document For Adding A System Call On Fedora 14 Kernel?

Nov 20, 2010

Does anyone have straightforward simple example document for adding a system call on fedora 14 kernel?

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Programming :: C - System Call & Error Checking?

Sep 18, 2010

I am trying to figure out how i would go about finding out where system call is made and error checking is not done. I have code below, if somebody can point me in the right direction where system call is made but error checking is not done.Quote:

#include "shell.h"
#include <stdio.h>
#include <string.h>

[code]....

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Software :: Script That Call A Java Program That Call A System Command?

Nov 29, 2010

In practice I have a script that call a java program that call a linux system command. The script if I run it, from a shell functions well,so it is not a java problem. The problem come out when i put this script in a crontab schedulation. The result in this case is that java do not execute the system command. I think it depends on crontab

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General :: What Is Signal0 In System Call

Sep 28, 2010

what is what is signal 0 in linux system call ?i can't find that in kill -l signal list . i need to know what is signal 0 . * for examples signal 1 is SIGHUP and signal 2 is SIGINIT . what is signal 0 ?

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General :: The READ System Call In UNIX?

Oct 29, 2010

mplement the read system call in unix...i want the code for read system call...

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General :: System Call To Know Files And Directories In PWD

Mar 3, 2010

I am searching for any system call similar to "ls" command we use in shell. My requirement is knowing the files and directories in curent working directory and process them based on there type. Here as of now I spawn another procees with system command like system
("sh ls -l | grep ^d | awk '{print $9}'").

Instead of this I want to use any system command where I can capture this information directly into my local character buffer. My opinion is that system calls will not spawn another process as a result less time it takes, another reason is once I use the system command again I need to capture the information to a local file then again read it into local buffer. I want to avoid the file manipulation here.

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General :: Nfs :RPC Call Returned Error 101

Feb 23, 2010

i am trying to run an application code in nfs host.but facing the problem as shown below.can anybody tell what the problem could be?

[code]...

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General :: How To Determin Function Call When Application Run On System

Sep 6, 2010

How can it be determined whether a function defined in some file of an application source-code(meant for multiple operating systems e.g., Linux, AmigaOS) is actually called when the application run on Linux?

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General :: Access Driver Function Using System Call ?

Apr 13, 2010

As per my knowledge, one can use systemcall to call the driver functions for example using open, close... Now is there any way to call driver functions directly from application without using system call?

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Programming :: Error 4 Which (according To /usr/include/asm-generic/errno-base.h) Means "interrupted System Call"

Aug 1, 2010

I'm using gmake (v3.81) to build some c executables. As the first step in the process I run the files through a preprocessor (for embedded SQL). The preprocessor completes successfully, but the gmake reports an error and discontinues buiding the remaining dependencies...

make *** [myfile.c] Error 4

which (according to /usr/include/asm-generic/errno-base.h) means "interrupted System Call". My preprocessor doesn't raise any signals, so I'm not sure what's causing this error.

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General :: Assign IPV6 Address Using IOCTL System Call?

Jul 22, 2011

Please send me the code how to assign ipv6 address using ioctl system call using C.

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General :: Reboot(LINUX_REBOOT_CMD_RESTART) - Lock Up The System And Does Not Return From The Call?

Jul 8, 2011

I am running an embedded Linux Release 2.4.19-uc0.

I have code in several places that calls

reboot(LINUX_REBOOT_CMD_RESTART)

successfully. I need to put it into a new place in a application running on the system. When I do, it seems to just lock up the system and does not return from the call nor leave me able to Telnet in or Ping or anything. I've tried puttingtrace code in to write info out to a file, but that too is not working (as it never returns from the reboot() call.I don't get any error from reboot(), it just does not return and does not appear to restart the system.

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General :: System Call (not Bash Command) To Format Partition?

Feb 18, 2011

I'm working on Linux OS (Suse/redhat) and trying to format a linux partition from a c program. Is there a way to do this without using : 'system ("mkfs.ext4 /dev/sdxy")'

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General :: Can't Recall System App To Call / Test Remote Access To Another Server On Same Network?

Jul 25, 2011

I have logged into one Linux VM and I want to test remote access to another Linux server on the same network but I cannot recall the Linux application to call?

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Programming :: Implement A System Call For Displaying The System Statistics

Nov 6, 2010

I have been assigned to implement a system call that report the system statistics over all memory which are

Total Pages in Active LRU list
Total Pages in Inactive LRU List

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General :: Windows - Adding System To Bootings

Aug 2, 2010

I've got linux installed on disc with BLoader but last time I added new disk on SATA which got windows on it. What should I do to add it?

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General :: Adding XP To An Existing Ubuntu System

Oct 4, 2010

I want to move my windows XP image from my old PC's C: and put it onto my new PC, with Ubuntu 9.10 already on it. Will this procedure work?First I'll burn an iso image of the windows C: to a CD or DVD, using the Win XP computer. Then, I'll load a (live Ubuntu), from my thumb drive and boot into my new PC, and move the Ubuntu partition to another location, in order to create the partition needed to install a Windows OS. I know that Windows, God bless them, needs to be first on the HDD. This procedure will destroy the grub loader.Then rebooting should load correctly to the grub bootloader, right?

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General :: Adding Windows Printer In Ubuntu System?

Feb 15, 2010

I need to add those in my ubuntu system so that i can do printing from remote machine. so what i m doing is System-administation-printing then m clicking on the desired share then after when i click on verify its asking me for username and password. So just confirm me one thing do i need to add my username to windows machine, apart from that i also need to do any changes in samba config files.

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General :: XP Failed To Boot After Adding Red Hat Enterprise System / Resolve This?

Jan 22, 2011

I have a Dell Precision 330 with (the latest) A09 BIOS and 1 TB SATA hard drive. There is a SATA-IDE converter between the SATA HD and the ATA133 cable. The OS was Window XP Professional SP3.

When adding RH Enterprise Linux 6 onto the computer, I created two additional partitions, one 400 GB for Linux's storage and a 10 GB swap space. I chose Window XP as the default OS.

After the installation, when the system started up, I can hit a key to have two optional OS: Window XP and Linux. If I chose Linux, the system would boot up. If I chose Window XP, the boot failed with a message that windowssystem32configsystem was missing or corrupted. I read some articles that the problem can be fixed in window's recovery console with fixboot. After entering the fixboot command and restarting the computer, Window XP still failed to boot with an error message that another file was missing.

I thought I might have made some mistakes in the installation procedure and it would be cleaner to reinstall both OS. So I tried to install Window XP Professional again. Unfortunately, after booting from Window XP CD and formating the MBR and copying the window XP files, the computer can not restart with the installed XP. Instead, the computer boot from Window XP's CD repeatedly. If I remove Window XP's CD, the computer simply can not boot at all.

I began to wonder whether RH's Enterprise Linux made some change on the MBR of the HD that Window XP can not format.

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General :: Error While Adding New Fedora Repositary

Sep 5, 2010

I have created a new file new.repo in /etc/yum.reos.d/.

Here is the content of new.repo file

Code:
[fedora]
name=Fedorarepo
baseurl=http://www.muug.mb.ca/pub/fedora/linux/releases/12/Everything/x86_64/os/
enabled=1

[Code].....

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General :: How To Give Options Like '-v' For Mkdir Using System Call Mkdir()

Feb 5, 2010

I've written a program which creates a directory using the system call mkdir()

How can i execute 'mkdir -v' using this system call? is there another system call to include options?

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General :: PHP Fatal Error - Call To Undefined Method PEAR - RaiseErro() In /usr/share/php/PEAR/REST.php On Line 165

Apr 30, 2011

When running

Pear upgrade

The following error is raised:

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Red Hat / Fedora :: Unable To Add System Call

Dec 3, 2010

iam trying to add a system call to the kernel version 2.6.33.7.Iam running fedora 13.I have followed all the steps given in this <hekimian-williams.com/?p=20 -> tutorial,but iam getting a error in make saying undfined reference to mysyscall in syscall_table_32.

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Programming :: Execvp System Call?

Apr 3, 2011

in below program why was new_args[0], rather than the reference the_cmd, passed to the execvp system call?

Code:
/*
A _very_ limited shell program

[code]....

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Programming :: Clarification In The Select System Call?

Dec 8, 2010

I have a process that forks, where the childs puts some data of random size and exits while the parent should get the data and does some manipulation.. here I have used a pipe for child to write the data and parent to read the data.. Child simply dumps the data, and the data is of any size even child and parent doesnt know.
I have used select in the parent to see whether there is any data coming on the reading end of the pipe.. if there is a data.. I copy into a buffer.. Im reading the data continusly when the child exits after closing the writing end of pipe. Parent gets blocked on the read part But my question is how parent know the other of pipe is closed when using the select call. In otherwords.. while using select in readfds, how would i know the other end has closed the pipe..

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Software :: Want To Change Directory System Call

Apr 14, 2011

I am trying to ptrace a process and when the system call is 'cd' change directory,
the ptrace process is able to trap it by comparing it against "__NR__open" system call. When I try to read the name of the directory from ebx register using peek_data I am getting ".message" and not the directory name.
The same thing works fine when I am tracing a file open system call.

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Programming :: How To View New Added System Call

Aug 30, 2010

I successfully added a new system call in CentOS Kernel but I don't know where to view it! My kernel version is -2.6.32.5

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Programming :: Process Of Creating System Call?

Mar 24, 2011

how to create a new system call Linux? what is the process of creating ?my project is to create a system call for displaying owner of a file..where exactly we have to write the system call code? and where are the places need to change ?

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