\"      $NetBSD: timeout.1,v 1.5 2022/12/13 13:25:36 kre Exp $
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\" Copyright (c) 2014 Baptiste Daroussin <[email protected]>
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\" $FreeBSD: head/usr.bin/timeout/timeout.1 268861 2014-07-18 22:56:59Z bapt $
\"
Dd December 13, 2022
Dt TIMEOUT 1
Os
Sh NAME
Nm timeout
Nd run a command with a time limit
Sh SYNOPSIS
Nm
Op Fl Fl signal Ar sig | Fl s Ar sig
Op Fl Fl preserve-status | Fl p
Op Fl Fl kill-after Ar time | Fl k Ar time
Op Fl Fl foreground | Fl f
Ao Ar duration Ac
Ao Ar command Ac
Ao Ar args ... Ac
Sh DESCRIPTION
Nm
starts the
Ar command
with its
Ar args .
If
Ar command
is still running after
Ar duration ,
it is killed.
By default,
Dv SIGTERM
is sent.
Bl -tag -width "-k time, --kill-after time"
It Fl p , Fl Fl preserve-status
Always exits with the same status as
Ar command
even if it times out.
It Fl f , Fl Fl foreground
Do not propagate timeout to the
Ar command
children.
It Fl s Ar sig , Fl Fl signal Ar sig
Specify the signal to send on timeout.
By default,
Dv SIGTERM
is sent.
It Fl k Ar time , Fl Fl kill-after Ar time
Send a second kill signal if
Ar command
is still running after
Ar time
after the first signal was sent.
El
Sh DURATION FORMAT
Ar duration
and
Ar time
can be integer or decimal numbers.
Values without unit symbols are interpreted as seconds.
Pp
Supported unit symbols are:
Bl -tag -width indent -compact
It s
seconds
It m
minutes
It h
hours
It d
days
El
Sh EXIT STATUS
If the timeout was not reached, the exit status of
Ar command
is returned.
Pp
If the timeout was reached and
Fl Fl preserve-status
is set, the exit status of
Ar command
is returned.
If
Fl Fl preserve-status
is not set, an exit status of 124 is returned.
Pp
If
Ar command
exits after receiving a signal, the exit status returned is the signal number plus 128.
Sh SEE ALSO
Xr kill 1 ,
Xr signal 3
Sh HISTORY
A
Nm
utility appeared in a development branch of
Fx 11
and was imported into
Nx 7 .
The
Fx
work is compatible with GNU
Nm
by
An Padraig Brady ,
from GNU Coreutils 8.21.
The
Nm
utility first appeared in GNU Coreutils 7.0.

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