is there any way to detect that a ttyUSBn serial device has gone away when monitoring it for input with poll() (i.e. with POLLIN set)? I've tried also setting POLLHUP and POLLERR, although the documentation says that isn't necessary. I've also tried setting POLLRDHUP. I've tried enabling the HUPCL termios attribute on the serial device. None of these seem to work, i.e. poll() doesn't come out of its wait when I disconnect the USB to serial adapter. In case it matters, I'm using 3.11.10-100.fc18.x86_64. -- Dave Mielke | 2213 Fox Crescent | The Bible is the very Word of God. Phone: 1-613-726-0014 | Ottawa, Ontario | http://Mielke.cc/bible/ EMail: dave@xxxxxxxxx | Canada K2A 1H7 | http://FamilyRadio.com/ -- 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