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SubjectRe: LinuxPPS core (Version 2): the PPS Linux implementation.
On Tue, 10 Feb 2009 15:05:51 +0100
Rodolfo Giometti <giometti@linux.it> wrote:

> This patch adds the PPS core support into Linux.
>
> Currently I just propose the "core" so after inclusion we can add all
> other related stuff as suggested by several people in this list. :)
>
> PPS means "pulse per second" and its API is specified by RFC 2783
> (Pulse-Per-Second API for UNIX-like Operating Systems, Version 1.0).
>
> The code has been tested with the NTPD program
> (http://www.eecis.udel.edu/~mills/ntp/html/index.html) and several GPS
> antennae.
>
>
> Changelog
> =========
>
> Version 1 -> 2
> --------------
>
> * fix race during PPS source registration.
>
> * PPS_CHECK removed.
>
> * not needed check in pps_exit() removed.
>
> * Printing stuff on exit removed.
>
> Version [full patchset] -> 1
> ----------------------------
>
> * stupid filenames removed.
>
> * kernel-doc documentation of exported symbols.
>
> * old BKL-locked ioctl removed.
>
> * !uarg checks in the ioctls removed.
>
> * pps.h revisited but not splitted, since several stuff are shared between
> kernel and user land (I hope this will not stop inclusion...)
>

Is it hard to do this? Just a matter of putting some things into
pps_user.h, others into pps_kernel.h and then including both into
pps.h?




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