Re: query regarding usb-hotplug

[Greg KH <greg@kroah.com>]

On Mon, Sep 03, 2007 at 05:27:23PM +0530, Renuka Pampana wrote:
> hi all,
> 
>  iam having one doubt about the usb driver application. i written one
> small application  (u can see this file usbthread.c
> in attachment 

Nothing was attached :(


> , cc -o usbthread usbthread.c -lpthread -lusb (for
> compilation) ) on usb device drivers using LIBUSB-0.1.12
> in user space. my project leader has given one task about the usb
> device drivers in user space. so using lib usb library and
> written application in user space. we are getting out put as device
> properties in userspace. but we are using polling
> mechanism ( declaring one thread and calling one usb function as
> subroutine in thread, this thread calling usb function
>  continuously and it  has put in  infinity loop). but my task have to
> develop  this same application with out using poling.
> 
> i heared an event mechanism for with out polling. but i dont know how
> to develop event mechanism.
> 
> plz give me any idea to develop the hot plugging system by using event
> mechanism...
> 
> i hope to get reply as soon as possible .

Try asking this on the libusb mailing list, the developers there should
be able to help you out.

good luck,

greg k-h