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when running /etc/rc.shutdown, don't wait on it until it completes

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indefinitely - by default, wait maximum of 300 seconds only
the timeout is settable via new -T flag
Adjust history to mention addition of shutdown hooks and -T option on manpage,
also move description of -D further up and slighly adjust.

This fixes bin/10637.
This commit is contained in:
jdolecek 2000-07-20 17:33:56 +00:00
parent 4badffe2c1
commit 94021a19a5
1 changed files with 29 additions and 10 deletions
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39
sbin/shutdown/shutdown.8
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@ -1,4 +1,4 @@
.\" $NetBSD: shutdown.8,v 1.17 1998/10/29 20:12:56 bad Exp $
.\" $NetBSD: shutdown.8,v 1.18 2000/07/20 17:33:57 jdolecek Exp $
.\"
.\" Copyright (c) 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -33,7 +33,7 @@
.\"
.\" @(#)shutdown.8 8.2 (Berkeley) 4/27/95
.\"
.Dd January 20, 1998
.Dd July 20, 2000
.Dt SHUTDOWN 8
.Os
.Sh NAME
@ -42,6 +42,8 @@
.Sh SYNOPSIS
.Nm
.Op Fl Ddfhknpr
.Op Fl T
.Ar timeout
.Ar time
.Op Ar message ... | Ar -
.Sh DESCRIPTION
@ -69,6 +71,13 @@ flags are specified, then
.Fl d
also implies
.Fl r .
.It Fl D
Prevents
.Nm
from detaching from the tty with
.Xr fork 2
and
.Xr exit 3 .
.It Fl f
.Nm
arranges, in the manner of
@ -110,12 +119,12 @@ when
.Nm
execs
.Xr reboot 8 .
.It Fl D
Prevents
.Nm
from detaching from the tty with
.Xr fork 2 /
.Xr exit 3 .
.It Fl T
Timeout in seconds to wait for
.Pa /etc/rc.shutdown
to finish. After
this period, the script is killed and system shutdown proceeds.
Default is 300 seconds (5 minutes).
.It Ar time
.Ar Time
is the time at which
@ -169,8 +178,12 @@ time of shutdown, who initiated the shutdown and the reason.
Next a message is printed announcing the start of the system shutdown hooks.
Then the shutdown hooks in
.Pa /etc/rc.shutdown
are run.
And a message is printed indicating that they have completed.
are run. If they don't complete within timeout (see
.Fl T ,
default 5 minutes), the script is killed and
.Nm
proceeds with system shutdown.
In either case, a message is printed indicating that they have completed.
After a short delay a terminate
signal is then sent to
.Xr init 8
@ -204,3 +217,9 @@ The
.Nm
command appeared in
.Bx 4.0 .
Running of shutdown hooks in
.Pa /etc/rc.shutdown
and
.Fl T
option have been added in
.Nx 1.5 .