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adjtimex.2: Rework ADJ_TAI text 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-12-30 15:57:50 +01:00
parent 93b445d553
commit 872feab512
1 changed files with 16 additions and 25 deletions
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41
man2/adjtimex.2
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@ -157,7 +157,22 @@ and
should be specified.
.TP
.BR ADJ_TAI " (since Linux 2.6.26)"
TAI offset.
.\" commit 153b5d054ac2d98ea0d86504884326b6777f683d
Set TAI (Atomic International Time) offset from
.IR buf->constant .
.BR ADJ_TAI
should not be used in conjunction with
.BR ADJ_TIMECONST ,
since the latter mode also employs the
.IR buf->constant
field.
For a complete explanation of TAI
and the difference between TAI and UTC, see
.UR http://www.bipm.org/en/bipm/tai/tai.html
.I BIPM
.UE )
.TP
.BR ADJ_TICK
Set tick value from
@ -201,30 +216,6 @@ for
.IR modes .
Only the superuser may set any parameters.
In the case of
.BR ADJ_TAI ,
as
.I buf->tai
is read-only, the new value is passed through
.IR buf->constant .
Therefore
.BR ADJ_TAI
should not be used in conjunction with
.BR ADJ_TIMECONST ,
since the latter mode also employs the
.IR buf->constant
field.
.PP
Support for TAI (Atomic International Time)
was added
.\" commit 153b5d054ac2d98ea0d86504884326b6777f683d
in Linux 2.6.26.
For a complete explanation of TAI
and the difference between TAI and UTC, see
.UR http://www.bipm.org/en/bipm/tai/tai.html
.I BIPM
.UE )
The
.I buf.status
field is a bit mask that is used to set and/or retrieve status