Re: Sending signals to user space program from kernel space

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why not use copy_from_user and copy_to_user?

2009/2/1 Sandeep K Sinha <sandeepksinha@xxxxxxxxx>:
> Write a daemon in userspace which runs in background and continuously
> send ioctl's to your driver and gets the value of i.
> If the value of i becomes even, you can write your desired code.
>
> Is this what you wanted ?
>
> On Sat, Jan 31, 2009 at 2:53 PM, rishi agrawal <postrishi@xxxxxxxxx> wrote:
>> Hello Everyone,
>>
>> I have a char device which when gets ioctl  case 'a' starts a for loop with
>> index ' i '.
>>
>> I want to send the value of index ' i ' to user space whenever ' i ' is
>> even.
>>
>> I want some thing like the kernel space code of char device should send a
>> variable and also a 'signal' that it has send a value.
>>
>> How can it be done ?
>>
>> Its something like Pipes
>>
>> --
>> Regards,
>> Rishi B. Agrawal
>>
>>
>
>
>
> --
> Regards,
> Sandeep.
>
>
>
>
>
>
> "To learn is to change. Education is a process that changes the learner."
>
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