58 lines
2.5 KiB
Groff
58 lines
2.5 KiB
Groff
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.\" $NetBSD: doshutdownhooks.9,v 1.1 1995/11/25 21:24:49 perry Exp $
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.\"
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.\" Copyright (c) 1994 Christopher G. Demetriou
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Christopher G. Demetriou
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.\" for the NetBSD Project.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd November 13, 1995
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.Dt DOSHUTDOWNHOOKS 9
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.Os NetBSD
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.Sh NAME
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.Nm doshutdownhooks
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.Nd run all shutdown hooks
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.Sh SYNOPSIS
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.Ft void
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.Fn doshutdownhooks "void"
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.Sh DESCRIPTION
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The
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.Fn doshutdownhooks
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function invokes all shutdown hooks established using the
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.Xr shutdownhook_establish 9
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function. Shutdown hooks are called in reverse order, i.e.
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the shutdown hook established last will be called first.
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.Pp
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This function is called from
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.Xr boot 9
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with interrupts turned off.
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It is called immediately before the system is halted or rebooted,
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after file systems have been unmounted, after the clock has been updated,
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and after a system dump has been done (if necessary).
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.Sh SEE ALSO
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.Xr boot 9 ,
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.Xr shutdownhook_establish 9
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