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| author | Eric S. Raymond <esr@thyrsus.com> | 2015-02-25 14:58:11 -0500 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2015-02-25 15:41:36 -0500 |
| commit | bf6b99d4440d85c5cbe506f7e1076394e1c96f5c (patch) | |
| tree | 3b044d6c840eb70ab4a28c30562697c4e6bfa5eb /ntpshm.h | |
| parent | 53a17f88a48952bcbc9903c80b9a1c5aa2cd3198 (diff) | |
| download | gpsd-bf6b99d4440d85c5cbe506f7e1076394e1c96f5c.tar.gz | |
ntpd uses the precision field afer all.
Diffstat (limited to 'ntpshm.h')
| -rw-r--r-- | ntpshm.h | 4 |
1 files changed, 1 insertions, 3 deletions
@@ -25,8 +25,6 @@ * -10 is about 1 mSec jitter (GR-601W or other USB with 1ms poll interval) * -13 is about 100 uSec * -20 is about 1 nSec (typical for serial PPS) - * The precision field is not used in ntpd 4.2.8 and probably not in other - * recent versions either. */ struct shmTime @@ -45,7 +43,7 @@ struct shmTime time_t receiveTimeStampSec; int receiveTimeStampUSec; int leap; /* not leapsecond offset, a notification code */ - int precision; /* not used */ + int precision; /* log(2) of source jitter */ int nsamples; /* not used */ volatile int valid; unsigned clockTimeStampNSec; /* Unsigned ns timestamps */ |