Am Montag, 26. Juni 2006 18:15 schrieb Franck Bui-Huu:
> Alan Stern wrote:
> > More importantly, usbcore relies on this routine for sending sequences of
> > messages. A signal would not only interrupt the current message, it would
> > prevent any further messages from being sent until the signal was handled.
> >
>
> So what does this comment try to say ?
>
> /*
> * Starts urb and waits for completion or timeout note that this call
> * is NOT interruptible, while many device driver i/o requests should
> * be interruptible
> */
It says that you shouldn't use this if you can avoid it. But there are uses
cannot handle signals here.
Regards
Oliver
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