On Tue, Mar 31, 2015 at 11:31:22PM +0200, Christian Riesch wrote: > The PPS_FETCH ioctl in drivers/pps/pps.c blocks until a new PPS event > occurs, then returns the time stamp data. While this is fine for > lots of applications, sometimes it would be nice if the poll system > call and a subsequent read could be used to obtain the pps data.
Nak. The read syscall can't be forced to return fix amount of data. Use a dedicated ioctl instead. Ciao, Rodolfo -- HCE Engineering e-mail: giome...@hce-engineering.com GNU/Linux Solutions giome...@enneenne.com Linux Device Driver giome...@linux.it Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti Cosino Project - the quick prototyping embedded system - www.cosino.io Freelance ICT Italia - Consulente ICT Italia - www.consulenti-ict.it -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/