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 <mulyadi.sant...@gmail.com>wrote: > On 8/20/09, Shankar Ganesh <shankargane...@gmail.com> wrote: > > 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 available? > > You might consider epoll too, a version of epoll() created to better > handle large amount of watched file descriptors and promising better > wake up latency. > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer > blog: the-hydra.blogspot.com > -- With Regards, ShankarGanesh K . "The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
