On Thu, May 27, 2010 at 07:56:58PM +0100, Matthew Garrett wrote: > Even if it's using poll, it could block purely on the display if X turns > the screen off between poll() waking and the write being made. That's what fcntl(fd, F_SETFL, O_NONBLOCK) is for. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html