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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (C) 1998 Andries Brouwer (aeb@cwi.nl)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified Thu Nov 11 04:19:42 MET 1999, aeb: added PR_GET_PDEATHSIG
.\" Modified 27 Jun 02, Michael Kerrisk
.\" Added PR_SET_DUMPABLE, PR_GET_DUMPABLE,
.\" PR_SET_KEEPCAPS, PR_GET_KEEPCAPS
.\"
.\" FIXME: The following (applicable only on IA-64) are not currently
.\" described: PR_SET_UNALIGN, PR_GET_UNALIGN, PR_SET_FPEMU, PR_GET_FPEMU
.\"
.\" Japanese Version Copyright (c) 1998-1999 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Sat Apr 3 15:56:06 JST 1999
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated Fri Dec 20 JST 2002 by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH PRCTL 2 2002-06-27 "Linux 2.4.18" "Linux Programmer's Manual"
.SH ̾
prctl \- ץԤʤ
.SH
.B #include <sys/prctl.h>
.sp
.BI "int prctl(int " option ", unsigned long " arg2 ", unsigned long " arg3
.BI ", unsigned long " arg4 ", unsigned long " arg5 );
.SH
.B prctl
ưϺǽΰˤäƷꤵ롣(ͤ
<\fIlinux/prctl.h\fP> Ƥ롣) ĤΥѥ
ǽΤΤ˰¸Ѳ롣
ܤΰϰʲǤ:
.TP
.B PR_SET_PDEATHSIG
(Linux 2.1.57 )
ƥץˡ
\fIarg2\fP ˻ꤷʥäΤ餻褦ꤹ(ʥ
ϰϤ 1..maxsig Ǥꡢ0 Dz롣)
ʥϿƤˤΥƥࡦԤʤäץ
롣ͤ
fork() ˤäƲ롣
.TP
.B PR_GET_PDEATHSIG
(Linux 2.3.15 )
ƥץ˴ʥθߤͤɤ
(int *) \fIarg2\fP ˳Ǽ롣
.TP
.B PR_SET_DUMPABLE
(Linux 2.4 )
ǥեȤοǤϥפ褦ʥʥȤˡ
פ뤫ɤꤹե饰ꤹ롣
(̾盧Υե饰ϥǥեȤǤϥåȤƤ뤬
set-UID 뤤 set-GID ץब¹Ԥ줿ꡢ
ޤޤʥƥॳˤäƥץ UID GID 줿Ȥ
ꥢ롣)
.I arg2
0 (ץϥԲ) 뤤 1 (ץϥײǽ)
ɤ餫ǤʤФʤʤ
.TP
.B PR_GET_DUMPABLE
(Linux 2.4 )
ƤӽФץˤײǽե饰
ߤξ֤ (ؿ֤ͤȤ) ֤
.TP
.B PR_SET_KEEPCAPS
ץΡֻݻץե饰ꤹ롣
ϡץμ¡¸¸åȥ桼IDξʤȤĤ 0 ʳǤä
֤顢Ƥ 0 ѹ줿Ȥ
ץμ¸Ļʽ礬ꥢ뤫ɤꤹ롣
(ǥեȤǤϡλʽϥꥢ롣)
.I arg2
0 (ʤꥢ) 뤤 1 (ʤݻ)
ɤ餫ǤʤФʤʤ
.TP
.B PR_GET_KEEPCAPS
ƤӽФץˤֻݻץե饰
ߤξ֤ (ؿ֤ͤȤ) ֤
.SH ֤
.I option
.B PR_GET_DUMPABLE
ޤ
.B PR_GET_KEEPCAPS
ξ 0 ޤ 1 ֤
.I option
¾ξ 0 ֤
顼ξ \-1 ֤졢
.I errno
Ŭڤͤꤵ롣
.SH 顼
.TP
.B EINVAL
.I option
ͤǤʤޤ
.I option
.B PR_SET_PDEATHSIG
.I arg2
0 Ǥ⥷ʥֹǤʤ
.SH
Υ Linux ͭǤ롣
IRIX prctl ƥࡦ(MIPS ƥˤ
irix_prctl Ȥ Linux 2.1.44 ƱͤƳ줿)
Υץȥפ
.sp
.BI "ptrdiff_t prctl(int " option ", int " arg2 ", int " arg3 );
.sp
Ǥ롣桼Υץ륪ץ
ץλѤǤץå륪ץ
Υץ(block)Ƥ뤫ɤĴ٤륪ץ
åκͤμԤʤץʤɤ롣
.SH ѲǽʴĶ
prctl() ƥॳ Linux 2.1.57 Ƴ줿
prctl() 饤֥ꡦϤޤ¸ߤʤ
.SH Ϣ
.BR signal (2)
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