fc733ebccd
This section is based on catpages contributed by Mainichi Communications, Inc. Translated by: MYCOM team Converted by: Japanese Online Manual Project <man-jp@jp.FreeBSD.ORG> Submitted by: Kazuo Horikawa <k-horik@yk.rim.or.jp>
81 lines
2.7 KiB
Groff
81 lines
2.7 KiB
Groff
.\" Copyright (c) 1991, 1993
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.\" The Regents of the University of California. 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 the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)tcgetpgrp.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt TCGETPGRP 3
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.Os
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.Sh 名称
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.Nm tcgetpgrp
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.Nd フォアグラウンドの処理グループIDを取得
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.Sh 書式
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.Fd #include <sys/types.h>
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.Fd #include <unistd.h>
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.Ft pid_t
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.Fn tcgetpgrp "int fd"
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.Sh 解説
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.Fn tcgetpgrp
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関数は、端末デバイスで行っているフォアグラウンドの処理
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グループの処理グループ
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ID
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を返します。フォアグラウンドの処理グループがない場合、
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.Fn tcgetpgrp
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は無効なプロセス
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ID
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を返します。
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.Sh エラー
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エラーが起きた場合、
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.Fn tcgetpgrp
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は
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-1 を返し、エラーを示すために
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次のようにグローバル変数
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.Va errno
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が設定されます：
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.Bl -tag -width Er
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.It Bq Er EBADF
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引数
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.Fa fd
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が有効なファイル記述子ではありません。
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.It Bq Er ENOTTY
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呼び出し側処理が制御端末を持っていないか、または
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.Fa fd
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で表わされている端末デバイスが制御端末ではありません。
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.El
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.Sh 参照
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.Xr setpgid 2 ,
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.Xr setsid 2 ,
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.Xr tcsetpgrp 3
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.Sh 規格
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.Fn tcgetpgrp
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関数は、
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.St -p1003.1-88
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規格に準拠しているものと考えられます。
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