Fwd: Re: Regarding Kernel Timers

[durga reddy <sysatus@xxxxxxxxx>]

Note: forwarded message attached.

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• To: Thomas Petazzoni <thomas.petazzoni@xxxxxxxx>
• Subject: Re: Regarding Kernel Timers
• From: durga reddy <sysatus@xxxxxxxxx>
• Date: Wed, 20 Apr 2005 04:57:08 -0700 (PDT)
• In-reply-to: 6667

Hi

Is the problem is coming for using kernel functions in user space??,

and same functions when i am trying to use in kernel module also giving the same error

u can have a glance at the module where i am using the kernel timers.

#include<linux/module.h>
# include<linux/kernel.h>
# include<linux/stddef.h>
# include<linux/timer.h>

struct timer_list tEntry;
void print(unsigned long data)
{
printk("<1> print called\n");
init_timer(&tEntry);
tEntry.expires = 50;
tEntry.function = print;
add_timer(&tEntry);
}
int init_module()
{
init_timer(&tEntry);
tEntry.expires = 50;
tEntry.function = print;
add_timer(&tEntry);
return 0;
}
void cleanup_module()
{
printk("<1> Cleaning up\n");
del_timer(&tEntry);
}

 

thanks

durga

Thomas Petazzoni <thomas.petazzoni@xxxxxxxx> wrote:

Hello,

durga reddy wrote:

> I want to use kernel timers in my code for calling of specific functions after
> specified time out.
> here i have written a sample code for using timers .but it is giving a error
> whish has given below.

The given code is for an user-space application. Why are you trying to
use kernel functions from an user-space application ?

Sincerly,

Thomas
--
Thomas Petazzoni
thomas.petazzoni@xxxxxxxx

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