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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 .\" Copyright (c) 1988, 1991, 1993
.\" The Regents of the University of California. All rights reserved. .\" The Regents of the University of California. All rights reserved.
@ -33,7 +33,7 @@
.\" .\"
.\" @(#)shutdown.8 8.2 (Berkeley) 4/27/95 .\" @(#)shutdown.8 8.2 (Berkeley) 4/27/95
.\" .\"
.Dd January 20, 1998 .Dd July 20, 2000
.Dt SHUTDOWN 8 .Dt SHUTDOWN 8
.Os .Os
.Sh NAME .Sh NAME
@ -42,6 +42,8 @@
.Sh SYNOPSIS .Sh SYNOPSIS
.Nm .Nm
.Op Fl Ddfhknpr .Op Fl Ddfhknpr
.Op Fl T
.Ar timeout
.Ar time .Ar time
.Op Ar message ... | Ar - .Op Ar message ... | Ar -
.Sh DESCRIPTION .Sh DESCRIPTION
@ -69,6 +71,13 @@ flags are specified, then
.Fl d .Fl d
also implies also implies
.Fl r . .Fl r .
.It Fl D
Prevents
.Nm
from detaching from the tty with
.Xr fork 2
and
.Xr exit 3 .
.It Fl f .It Fl f
.Nm .Nm
arranges, in the manner of arranges, in the manner of
@ -110,12 +119,12 @@ when
.Nm .Nm
execs execs
.Xr reboot 8 . .Xr reboot 8 .
.It Fl D .It Fl T
Prevents Timeout in seconds to wait for
.Nm .Pa /etc/rc.shutdown
from detaching from the tty with to finish. After
.Xr fork 2 / this period, the script is killed and system shutdown proceeds.
.Xr exit 3 . Default is 300 seconds (5 minutes).
.It Ar time .It Ar time
.Ar Time .Ar Time
is the time at which 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. Next a message is printed announcing the start of the system shutdown hooks.
Then the shutdown hooks in Then the shutdown hooks in
.Pa /etc/rc.shutdown .Pa /etc/rc.shutdown
are run. are run. If they don't complete within timeout (see
And a message is printed indicating that they have completed. .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 After a short delay a terminate
signal is then sent to signal is then sent to
.Xr init 8 .Xr init 8
@ -204,3 +217,9 @@ The
.Nm .Nm
command appeared in command appeared in
.Bx 4.0 . .Bx 4.0 .
Running of shutdown hooks in
.Pa /etc/rc.shutdown
and
.Fl T
option have been added in
.Nx 1.5 .