89 lines
2.7 KiB
Groff
89 lines
2.7 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 2000 Jonathan M. Bresler
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.\"
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.\" All rights reserved.
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.\"
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.\" This program is free software.
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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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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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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.\" %FreeBSD: src/share/man/man9/SPLASSERT.9,v 1.1.2.4 2001/07/21 09:16:54 schweikh Exp %
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.\"
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.\" $FreeBSD: doc/ja_JP.eucJP/man/man9/SPLASSERT.9,v 1.3 2001/07/23 02:27:01 horikawa Exp $
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.\"
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.\"
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.Dd January 14, 2000
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.Os
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.Dt SPLASSERT 9
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.Sh 名称
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.Nm SPLASSERT
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.Nd カーネル spl レベル検証マクロ
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.Sh 書式
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.Cd options INVARIANTS
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.Cd options INVARIANT_SUPPORT
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.Fn SPLASSERT "char *level" "char *msg"
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.Sh 解説
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"options INVARIANTS" および "options INVARIANT_SUPPORT" の両方の
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オプション付きでコンパイルされたカーネル内では、
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.Fn SPLASSERT
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マクロはカーネルの現在の spl レベルと
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.Fn SPLASSERT
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マクロの中で指定された spl レベル
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.Fa level
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とを比較します。
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指定された
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.Fa level
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がアクティブでない場合には、
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.Fn SPLASSERT
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は
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.Fa msg
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を引数として
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.Fn KASSERT
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マクロを呼び出し、稼働中のシステムを停止させます。
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.Pp
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"options INVARIANTS" および "options INVARIANT_SUPPORT" の両方の
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オプションが無いカーネル内では、
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.Fn SPLASSERT
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マクロは何もしない様に定義されます。
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.Sh 使用例
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カーネル関数
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.Fn rtalloc
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は
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.Fn splnet
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時に呼び出されなければなりません。
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.Bd -literal -offset indent
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void
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rtalloc(ro)
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register struct route *ro;
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{
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SPLASSERT(net, "rtalloc()");
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rtalloc_ign(ro, 0UL);
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}
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.Sh 関連項目
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.Xr config 8 ,
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.Xr KASSERT 9 ,
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.Xr panic 9
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.Sh 作者
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このマニュアルページは
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.An Jonathan M. Bresler
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.Aq jmb@FreeBSD.org
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が書きました。
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