Alan Cox wrote: > > Or, maybe the userspace program can receive some sort of interrupt > > from the TTY device when it is ready for I/O. > > > > Perhaps there is another way to avoid continued polling? > > TIOCMIWAIT ioctl for modem signals, and just using poll/select() on the > tty for I/O.
Ah yes, the undocumented ioctl... I knew there was one, just couldn't find it in the man page just now. -- Jamie -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
