Alan Stern wrote:
> On Mon, 26 Jun 2006, Oliver Neukum wrote:
>
>> Am Montag, 26. Juni 2006 17:34 schrieb Franck Bui-Huu:
>>> It also put the task in interruptible state instead of an
>>> uninterruptible one while waiting for the completion. I'm not
>>> sure about this part though and the comment is not clear.
>>> If someone can confirm that the task can be put in an interruptible
>>> state here that would be great.
>> You must not wait interruptably here. Delivering a signal during
>> device reset could be fatal to the bus.
>
> 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
*/
Maybe we could improve it a little ?
Franck
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