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authorMattias Andrée <maandree@member.fsf.org>2015-12-30 17:09:31 +0100
committerMattias Andrée <maandree@member.fsf.org>2015-12-30 17:09:31 +0100
commit9550b7ea362a43fd14d472367df4328eda920859 (patch)
tree62a0b2f8ca0c979402d2524b842720998ccca42e /doc/info/chap/overview.texinfo
parentthe job spool is boot-private (diff)
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invoking
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
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@@ -52,3 +52,12 @@ Some think that @command{at} shall be merge into
not think so because it is two wilding different
kind of job scheduling.
+@command{sat} uses two clocks: @code{CLOCK_REALTIME}
+for time specified in absolute time, and
+@code{CLOCK_BOOTTIME} for time specified in relative
+time. Note that this is not @code{CLOCK_REALTIME_ALARM}
+and @code{CLOCK_BOOTTIME_ALARM}, if you need those
+clocks, you can use the less powerful @command{sleep-until}
+which supports all clocks your operating system supports.
+
+