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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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