On Tue, Aug 25, 2009 at 11:42 AM, Shankar
Ganesh wrote:
> Also, i have q querry regarding poll in drivers.
>
> 1. driver poll driver - poll_wait() adds to the wait queue.
>
> How this queue is woke-up when there is activity pending .i.e for example
> ready to read ?
Using wake_up_* functions.
D
Also, i have q querry regarding poll in drivers.
1. driver poll driver - poll_wait() adds to the wait queue.
How this queue is woke-up when there is activity pending .i.e for example
ready to read ?
Regards,
Shankar
On Thu, Aug 20, 2009 at 7:40 PM, Mulyadi Santosa
wrote:
> On 8/20/09, Shan
When you are in intrrupt context you can not access the process data
structure. I think *Completion variable* should solve your purpose. The task
waits for signal by calling *wait_for_completion* and by calling *complete*
you can wake-up all the waiting task. In your case you can call *complete*
f
Hi Friends,
I have an interrupt handler in my driver which is supposed to
wake-up/intimate user process to proceed . How do Linux supports this
mechanism ?
I have a choice of using select/poll in user space and implementing poll
fops in my driver. Is there any alternative better approach availabl
