.\" Copyright (c) 1980, 1991 Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\"     @(#)killpg.2	6.5 (Berkeley) 3/10/91
.\"
.\" Modified Fri Jul 23 21:55:01 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Tue Oct 22 08:11:14 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified 2004-06-16 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"     Added notes on CAP_KILL
.\" Modified 2004-06-21 by aeb
.\"
.\" Japanese Version Copyright (c) 1997 Kazuyuki Tanisako
.\"         all rights reserved.
.\" Translated Sat May 17 14:10:42 JST 1997
.\"         by Kazuyuki Tanisako <tanisako@osa.dec-j.co.jp>
.\" Updated & Modified Sat Feb  5 21:24:32 JST 2005
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.\"WORD:	process group		ץ롼
.\"WORD:	signal			ʥ
.\"WORD:	effective user ID	¸桼ID
.\"WORD:	super-user		ѡ桼
.\"
.TH KILLPG 2 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
killpg \- ʥץ롼פ
.SH 
.B #include <signal.h>
.sp
.BI "int killpg(int " pgrp ", int " sig );
.sp
.in -4n
glibc εǽޥ׷
.RB ( feature_test_macros (7)
):
.in
.sp
.BR killpg ():
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.SH 
.BR killpg ()

.I sig
ǻꤷʥ
.I pgrp
ǻꤷץ롼פ롣
ʥΰ
.BR signal (7)
򻲾ȤΤȡ


.I pgrp
 0 ꤷˤ
.BR killpg ()
ϸƤӽФΥץ°Ƥץ롼פФƥʥ롣
(POSIX ǤϰʲΤ褦˵ҤƤ:
.I pgrp
 1 ʲǤ硢ư̤Ǥ롣)

ץʥĤĤˤϡ
ץø (Linux Ǥ
.B CAP_KILL
ѥӥƥ (capability)) Ĥ
ץμ¥桼 ID ޤϼ¸桼 ID 
ץμ set-user-ID ޤ¸ set-user-ID 
ʤФʤʤ
.B SIGCONT
ξ硢ץȼץ
Ʊå°ƤнʬǤ롣
.SH ֤
ｪλ 0 ֤ͤȤʤ롣۾ｪλξ \-1 ֤ͤȤʤ
.I errno
˸ɤꤵ롣
.SH 顼
.TP
.B EINVAL
.I sig
ǻꤵ줿̵ͤʥʥֹǤ롣
.TP
.B EPERM
ץ˲줫ץ˥ʥĤʤ
.TP
.B ESRCH
.I pgrp
ǻꤵ줿ץ롼פ°ץ¸ߤʤä
.TP
.B ESRCH
ץ롼פȤ 0 ꤵ줿ץ
ץ롼פäƤʤ
.SH 
SVr4, 4.4BSD
.RB ( killpg ()
 4BSD ǽɲä줿), POSIX.1-2001
.SH 
BSD ϥƥ System V ϥƥǤϡ
ĤΥå͡ʰ㤤롣
.BR kill (2)
ˤĤƤ POSIX θ (rationale) 򻲾Ȥ뤳ȡ
POSIX ǵҤƤʤ㤤ȤƤϡ֤
.B EPERM
롣
BSD ǤϡץεĤΥå 1 ĤǤ⼺Ԥϡ
ʥ뤬줺
.B EPERM
֤פȵҤƤ롣
POSIX ǤϡץεĤΥåƼԤˤΤߡ
.B EPERM
֤פȵҤƤ롣

Linux Ǥϡ
.BR killpg ()
ϥ饤֥ؿȤƼƤꡢ
.I "kill(-pgrp,\ sig)"
θƤӽФԤ롣
.SH Ϣ
.BR getpgrp (2),
.BR kill (2),
.BR signal (2),
.BR credentials (7),
.BR capabilities (7)