On Wed, 11 Feb 2015, Dave Mielke wrote: > [quoted lines by Alan Stern on 2015/02/11 at 12:11 -0500] > > >That probably is the explanation. I don't know anything about > >signalfd; you should ask somebody who does. > > Okay, I shall. Perhaps you could answer another question that I've been > wondering about. Does usbfs send the completion signal to the thread that > submitted the urb or to the whole process? If to the whole process, is there a > way to redirect it to just the thread? The code calls kill_pid_info_as_cred() and the pid it passes is derived from get_pid(task_pid(current)). I don't know whether task_pid refers to the entire process or just the current thread -- my guess is the process. The only way to change it is to change the kernel code. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
