source: MondoRescue/branches/3.3/mindi-busybox/networking/ntpd.diff@ 3621

Last change on this file since 3621 was 3621, checked in by Bruno Cornec, 7 years ago

New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
File size: 679 bytes

  • networking/ntpd.c 

    This patch scales down small offsets quadratically. Reduces sensitivity to jitter

diff --git a/networking/ntpd.c b/networking/ntpd.c
index 4695c33..ac05815 100644
    a b update_local_clock(peer_t *p)  
    16541654     */
    16551655    if (G.offset_to_jitter_ratio >= TIMECONST_HACK_GATE)
    16561656        tmx.constant--;
     1657
     1658{
     1659    double d = p->lastpkt_delay;
     1660    if (d > SLEW_THRESHOLD)
     1661    d = SLEW_THRESHOLD;
     1662    d /= 2;
     1663    if ((abs_offset / d) < 1) {
     1664        offset *= (abs_offset / d);
     1665    }
     1666}
     1667
    16571668    tmx.offset = (long)(offset * 1000000); /* usec */
    16581669    if (SLEW_THRESHOLD < STEP_THRESHOLD) {
    16591670        if (tmx.offset > (long)(SLEW_THRESHOLD * 1000000)) {
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