1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
67 lines
1.3 KiB
Groff
67 lines
1.3 KiB
Groff
.\" $FreeBSD$
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.Dd April 12, 1995
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.Dt ATRUN 8
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.Os "FreeBSD 2.1"
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.Sh NAME
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.Nm atrun
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.Nd run jobs queued for later execution
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.Sh SYNOPSIS
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.Nm atrun
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.Op Fl l Ar load_avg
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.Op Fl d
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.Sh DESCRIPTION
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.Nm Atrun
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runs jobs queued by
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.Xr at 1 .
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Root's
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.Xr crontab 5
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file
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.Pa /etc/crontab
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has to contain the line
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.nf
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*/5 * * * * root _ATLIB_DIR/atrun
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.fi
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so
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.Xr atrun 8
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gets called every five minutes.
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.Pp
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At every invocation, every job in lowercase queues whose starting time
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has passed is started.
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A maximum of one batch jobs (denoted by uppercase queues) are started
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each time
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.Nm atrun
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is invoked.
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.Sh OPTIONS
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.Bl -tag -width indent
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.It Fl l Ar load_avg
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Specifies a limiting load factor, over which batch jobs should
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not be run, instead of the compiled \- in value of _LOADAVG_MX.
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.It Fl d
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Debug; print error messages to standard error instead of using
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.Xr syslog 3 .
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.El
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.Sh WARNINGS
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For
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.Nm atrun
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to work, you have to start up a
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.Xr cron 8
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daemon.
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.Sh FILES
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.Bl -tag -width _ATSPOOL_DIR -compact
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.It Pa _ATSPOOL_DIR
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Directory containing output spool files
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.It Pa _ATJOB_DIR
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Directory containing job files
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.El
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.Sh SEE ALSO
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.Xr cron 8 ,
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.Xr crontab 1 ,
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.Xr crontab 5 ,
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.Xr at 1 ,
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.Xr syslog 3 .
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.Sh BUGS
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The functionality of
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.Nm atrun
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should be merged into
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.Xr cron 8 .
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