b3aee9efe3
Submitted by: Nobuyuki Koganemaru <n-kogane at syd odn ne jp>
Reviewed by: kano at na rim or jp
Yoshihiko Sarumaru <mistral at imasy or jp>
88 lines
2.7 KiB
Groff
88 lines
2.7 KiB
Groff
.\" -*- nroff -*-
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.\"
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.\" Copyright (c) 2001 Alexander Langer
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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/SYSCALL_MODULE.9,v 1.5.4.1 2005/01/10 23:45:00 keramida Exp %
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.\"
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.\" $FreeBSD$
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.Dd January 7, 2005
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.Dt SYSCALL_MODULE 9
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.Os
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.Sh 名称
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.Nm SYSCALL_MODULE
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.Nd syscall カーネルモジュール宣言マクロ
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.Sh 書式
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.In sys/param.h
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.In sys/kernel.h
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.In sys/proc.h
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.In sys/module.h
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.In sys/sysent.h
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.Fn SYSCALL_MODULE name "int *offset" "struct sysent new_sysent" "modeventhand_t evh" "void *arg"
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.Sh 解説
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.Fn SYSCALL_MODULE
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マクロは新しい syscall を宣言します。
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.Fn SYSCALL_MODULE
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は
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.Fa name
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という名前のカーネルモジュールの宣言に展開されます。
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.Pp
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このマクロで要求される残りの引数は以下の通りです。
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.Bl -tag -width ".Fa new_sysent"
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.It Fa offset
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syscall が割り付ける
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.Vt "struct sysent"
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中のオフセットを保存する
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.Vt int
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へのポインタ。
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.It Fa new_sysent
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syscall を実装する関数およびこの関数が必要とする引数の数
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.In ( sys/sysent.h
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参照)。
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.It Fa evh
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引数
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.Fa arg
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を取るカーネルモジュールのイベントハンドラ関数へのポインタ。
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詳細については
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.Xr module 9
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を参照してください。
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.It Fa arg
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それが呼び出されるとき、
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.Fa evh
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イベントハンドラのコールバック関数へ渡される引数。
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.El
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.Sh 使用例
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syscall モジュールのための最低限の例が、
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.Pa /usr/share/examples/kld/syscall/module/syscall.c
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の中に見つけられます。
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.Sh 関連項目
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.Xr module 9
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.Pp
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.Pa /usr/share/examples/kld/syscall/module/syscall.c
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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 Alexander Langer Aq alex@FreeBSD.org
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によって書かれました。
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