1 .\" Hey Emacs! This file is -*- nroff -*- source.
3 .\" Copyright (C) 1998 Andries Brouwer (aeb@cwi.nl)
4 .\" and Copyright (C) 2002 Michael Kerrisk <mtk.manpages@gmail.com>
5 .\" and Copyright Guillem Jover <guillem@hadrons.org>
7 .\" Permission is granted to make and distribute verbatim copies of this
8 .\" manual provided the copyright notice and this permission notice are
9 .\" preserved on all copies.
11 .\" Permission is granted to copy and distribute modified versions of this
12 .\" manual under the conditions for verbatim copying, provided that the
13 .\" entire resulting derived work is distributed under the terms of a
14 .\" permission notice identical to this one.
16 .\" Since the Linux kernel and libraries are constantly changing, this
17 .\" manual page may be incorrect or out-of-date. The author(s) assume no
18 .\" responsibility for errors or omissions, or for damages resulting from
19 .\" the use of the information contained herein. The author(s) may not
20 .\" have taken the same level of care in the production of this manual,
21 .\" which is licensed free of charge, as they might when working
24 .\" Formatted or processed versions of this manual, if unaccompanied by
25 .\" the source, must acknowledge the copyright and authors of this work.
27 .\" Modified Thu Nov 11 04:19:42 MET 1999, aeb: added PR_GET_PDEATHSIG
28 .\" Modified 27 Jun 02, Michael Kerrisk
29 .\" Added PR_SET_DUMPABLE, PR_GET_DUMPABLE,
30 .\" PR_SET_KEEPCAPS, PR_GET_KEEPCAPS
31 .\" Modified 2006-08-30 Guillem Jover <guillem@hadrons.org>
32 .\" Updated Linux versions where the options where introduced.
33 .\" Added PR_SET_TIMING, PR_GET_TIMING, PR_SET_NAME, PR_GET_NAME,
34 .\" PR_SET_UNALIGN, PR_GET_UNALIGN, PR_SET_FPEMU, PR_GET_FPEMU,
35 .\" PR_SET_FPEXC, PR_GET_FPEXC
36 .\" 2008-04-29 Serge Hallyn, Document PR_CAPBSET_READ and PR_CAPBSET_DROP
37 .\" 2008-06-13 Erik Bosman, <ejbosman@cs.vu.nl>
38 .\" Document PR_GET_TSC and PR_SET_TSC.
39 .\" 2008-06-15 mtk, Document PR_SET_SECCOMP, PR_GET_SECCOMP
41 .\" Japanese Version Copyright (c) 1998-1999 HANATAKA Shinya
42 .\" all rights reserved.
43 .\" Translated 1999-04-03, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
44 .\" Updated 2002-12-20, Kentaro Shirakata <argrath@ub32.org>
45 .\" Updated 2005-09-06, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
46 .\" Updated 2005-10-07, Akihiro MOTOKI
47 .\" Updated 2007-01-08, Akihiro MOTOKI, LDP v2.43
48 .\" Updated 2007-10-12, Akihiro MOTOKI, LDP v2.66
49 .\" Updated 2008-08-12, Akihiro MOTOKI, LDP v3.05
51 .\"WORD: capability ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£
52 .\"WORD: keep capabilities ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£ÊÝ»ý
54 .TH PRCTL 2 2008-07-16 "Linux" "Linux Programmer's Manual"
56 prctl \- ¥×¥í¥»¥¹¤ÎÁàºî¤ò¹Ô¤Ê¤¦
59 .B #include <sys/prctl.h>
61 .BI "int prctl(int " option ", unsigned long " arg2 ", unsigned long " arg3 ,
62 .BI " unsigned long " arg4 ", unsigned long " arg5 );
66 ¤ÎÆ°ºî¤ÏºÇ½é¤Î°ú¤¿ô¤Ë¤è¤Ã¤Æ·èÄꤵ¤ì¤ë (¤³¤ÎÃͤÏ
67 \fI<linux/prctl.h>\fP ¤ËÄêµÁ¤µ¤ì¤Æ¤¤¤ë)¡£
68 »Ä¤ê¤Î°ú¤¿ô¤ÏºÇ½é¤Î°ú¤¿ô¤Ë¤è¤Ã¤ÆÊѲ½¤¹¤ë¡£
69 °ìÈÖÌܤΰú¤¿ô¤È¤·¤Æ°Ê²¼¤Î¤â¤Î¤ò»ØÄê¤Ç¤¤ë:
71 .BR PR_CAPBSET_READ " (Linux 2.6.25 °Ê¹ß)"
72 ¤Ç»ØÄꤵ¤ì¤¿¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤¬¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£
73 ¥Ð¥¤¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È (capability bounding set) ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢
74 (´Ø¿ô¤ÎÊÖ¤êÃͤȤ·¤Æ) 1 ¤òÊÖ¤·¡¢¤½¤¦¤Ç¤Ê¤¤¾ì¹ç 0 ¤òÊÖ¤¹
76 .I <linux/capability.h>
78 ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È¤Ï¡¢
80 ¤ò¸Æ¤Ó½Ð¤·¤¿ºÝ¤Ë¡¢¥Õ¥¡¥¤¥ë¤Îµö²Ä (permitted) ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ÎÃæ¤Ç
81 ¤½¤Î¥×¥í¥»¥¹¤¬³ÍÆÀ¤Ç¤¤ë¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ò»Ø¼¨¤¹¤ë¤â¤Î¤Ç¤¢¤ë¡£
84 ¤Ë»ØÄꤵ¤ì¤¿¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤¬Í¸ú¤Ç¤Ê¤¤¾ì¹ç¡¢
89 .BR PR_CAPBSET_DROP " (Linux 2.6.25 °Ê¹ß)"
90 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤¬¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£
93 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È¤«¤é
95 ¤Ç»ØÄꤵ¤ì¤¿¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ò³°¤¹¡£
96 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î»Ò¥×¥í¥»¥¹¤ÏÊѹ¹¸å¤Î¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È¤ò
101 ¤ò»ý¤Ã¤Æ¤¤¤Ê¤¤¾ì¹ç¡¢¸Æ¤Ó½Ð¤·¤Ï¥¨¥é¡¼
105 ¤Ë»ØÄꤵ¤ì¤¿¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤¬Í¸ú¤Ç¤Ê¤¤¾ì¹ç¡¢
108 ¥Õ¥¡¥¤¥ë¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤¬¥«¡¼¥Í¥ë¤Ç͸ú¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤¤¾ì¹ç
109 (¤³¤Î¾ì¹ç¤Ë¤Ï¥Ð¥¦¥ó¥Ç¥£¥ó¥°¥»¥Ã¥È¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Ê¤¤)¡¢
113 .BR PR_SET_DUMPABLE " (Linux 2.3.20 °Ê¹ß)"
115 ¥Ç¥Õ¥©¥ë¥È¤Î¿¶¤ëÉñ¤¤¤Ç¤Ï¥³¥¢¥À¥ó¥×¤ò°ú¤µ¯¤³¤¹¤è¤¦¤Ê¥·¥°¥Ê¥ë¤ò¼õ¿®¤·¤¿¤È¤¤Ë¡¢
116 ¥³¥¢¥À¥ó¥×¤¹¤ë¤«¤É¤¦¤«¤ò·èÄꤹ¤ë¥Õ¥é¥°¤òÀßÄꤹ¤ë
117 (Ä̾盧¤Î¥Õ¥é¥°¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤ë¤¬¡¢
118 set-user-ID ¤¢¤ë¤¤¤Ï set-group-ID ¥×¥í¥°¥é¥à¤¬¼Â¹Ô¤µ¤ì¤¿¤ê¡¢
119 ¤µ¤Þ¤¶¤Þ¤Ê¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ë¤è¤Ã¤Æ¥×¥í¥»¥¹¤Î UID ¤ä GID ¤¬Áàºî¤µ¤ì¤¿¤È¤¤Ë
121 2.6.12 °ÊÁ°¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¡¢
123 ¤Ï 0 (¥×¥í¥»¥¹¤Ï¥À¥ó¥×ÉÔ²Ä) ¤¢¤ë¤¤¤Ï 1 (¥×¥í¥»¥¹¤Ï¥À¥ó¥×²Äǽ) ¤Î
124 ¤É¤Á¤é¤«¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
125 2.6.13 ¤«¤é 2.6.17 ¤Þ¤Ç¤Î¥«¡¼¥Í¥ë¤Ç¤Ï¡¢ÃÍ 2 ¤âǧ¤á¤é¤ì¤Æ¤¤¤¿¡£
126 ¤³¤ÎÃͤò»ØÄꤹ¤ë¤È¡¢Ä̾ï¤Ï¥À¥ó¥×¤µ¤ì¤Ê¤¤¥Ð¥¤¥Ê¥ê¤¬ root ¤À¤±¤¬
127 Æɤ߹þ¤ß²Äǽ¤Ê·Á¤Ç¥À¥ó¥×¤µ¤ì¤¿¡£
128 ¥»¥¥å¥ê¥Æ¥£¾å¤ÎÍýͳ¤«¤é¡¢¤³¤Îµ¡Ç½¤Ïºï½ü¤µ¤ì¤¿
129 .\" See http://marc.theaimsgroup.com/?l=linux-kernel&m=115270289030630&w=2
130 .\" Subject: Fix prctl privilege escalation (CVE-2006-2451)
131 .\" From: Marcel Holtmann <marcel () holtmann ! org>
132 .\" Date: 2006-07-12 11:12:00
135 .I /proc/sys/fs/suid_dumpable
138 .BR PR_GET_DUMPABLE " (Linux 2.3.20 °Ê¹ß)"
140 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ë¤ª¤±¤ë¥À¥ó¥×²Äǽ¥Õ¥é¥°¤Î
141 ¸½ºß¤Î¾õÂÖ¤ò (´Ø¿ô¤ÎÊÖ¤êÃͤȤ·¤Æ) ÊÖ¤¹¡£
142 .\" [Í×½¤Àµ] Linux 2.6.13 °Ê¹ß¤Ç¤Ï¡¢¥À¥ó¥×²Äǽ¥Õ¥é¥°¤ÏÃÍ 2 ¤ò¤È¤ë¤³¤È¤¬
143 .\" ¤Ç¤¤ë¤¬¡¢2.6.13 ¤Ç¤Ï PR_GET_DUMPABLE ¤Ï¥À¥ó¥×²Äǽ¥Õ¥é¥°¤¬ 0 °Ê³°¤Î
144 .\" Ãͤξì¹ç 1 ¤òÊÖ¤¹¤À¤±¤Ç¤¢¤ë¡£¤³¤ì¤Ï 2.6.14 ¤Ç½¤Àµ¤µ¤ì¤¿¡£
146 .BR PR_SET_ENDIAN " (Linux 2.6.18 °Ê¹ß¡¢PowerPC ¤Î¤ß)"
147 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥¨¥ó¥Ç¥£¥¢¥óÀßÄê (endian-ness) ¤ò
148 \fIarg2\fP ¤Ç»ØÄꤵ¤ì¤¿ÃͤËÀßÄꤹ¤ë¡£
152 .BR PR_ENDIAN_LITTLE ,
153 .B PR_ENDIAN_PPC_LITTLE
154 (PowerPC µ¼»÷¥ê¥È¥ë¥¨¥ó¥Ç¥£¥¢¥ó)
155 ¤Î¤¤¤º¤ì¤«°ì¤Ä¤Ç¤¢¤ë¡£
157 .BR PR_GET_ENDIAN " (Linux 2.6.18 °Ê¹ß¡¢PowerPC ¤Î¤ß)"
158 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥¨¥ó¥Ç¥£¥¢¥óÀßÄê (endian-ness) ¤ò
160 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£
162 .BR PR_SET_FPEMU " (Linux 2.4.18 °Ê¹ß, 2.5.9, ia64 ¤Î¤ß)"
163 ÉâÆ°¾®¿ôÅÀ¥¨¥ß¥å¥ì¡¼¥·¥ç¥ó (floating-point emulation) À©¸æ¥Ó¥Ã¥È¤ò
164 \fIarg2\fP ¤Ç»ØÄꤵ¤ì¤¿ÃͤËÀßÄꤹ¤ë¡£
165 »ØÄê¤Ç¤¤ëÃÍ¤Ï \fBPR_FPEMU_NOPRINT\fP (ÉâÆ°¾®¿ôÅÀÌ¿Îᥢ¥¯¥»¥¹¤òÌۤäÆ
166 ¥¨¥ß¥å¥ì¡¼¥È¤¹¤ë) ¤« \fBPR_FPEMU_SIGFPE\fP (ÉâÆ°¾®¿ôÅÀÌ¿Îá¤ò¥¨¥ß¥å¥ì¡¼¥È¤»¤º¡¢
171 .BR PR_GET_FPEMU " (Linux 2.4.18 °Ê¹ß, 2.5.9, ia64 ¤Î¤ß)"
172 ÉâÆ°¾®¿ôÅÀ¥¨¥ß¥å¥ì¡¼¥·¥ç¥óÀ©¸æ¥Ó¥Ã¥È¤ÎÃͤò
174 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£
176 .BR PR_SET_FPEXC " (Linux 2.4.21 ¤ª¤è¤Ó 2.5.32 °Ê¹ß¡¢PowerPC ¤Î¤ß)"
177 ÉâÆ°¾®¿ôÅÀÎã³°¥â¡¼¥É (floating-point exception mode) ¤ò
178 \fIarg2\fP ¤Ç»ØÄꤵ¤ì¤¿ÃͤËÀßÄꤹ¤ë¡£
179 »ØÄê¤Ç¤¤ë¤Î¤Ï°Ê²¼¤ÎÃͤǤ¢¤ë:
180 \fBPR_FP_EXC_SW_ENABLE\fP (FPEXC ¤ÇÉâÆ°¾®¿ôÅÀÎã³°¤ò͸ú¤Ë¤¹¤ë)¡¢
181 \fBPR_FP_EXC_DIV\fP (0 ½ü»»)¡¢
182 \fBPR_FP_EXC_OVF\fP (¥ª¡¼¥Ð¡¼¥Õ¥í¡¼)¡¢
183 \fBPR_FP_EXC_UND\fP (¥¢¥ó¥À¡¼¥Õ¥í¡¼)¡¢
184 \fBPR_FP_EXC_RES\fP (ÉÔÀµ³Î¤Ê·ë²Ì (inexact result))¡¢
185 \fBPR_FP_EXC_INV\fP (ÉÔÀµ¤ÊÌ¿Îá (invalid operation))¡¢
186 \fBPR_FP_EXC_DISABLED\fP (ÉâÆ°¾®¿ôÅÀÎã³°¤ò̵¸ú¤Ë¤¹¤ë)¡¢
187 \fBPR_FP_EXC_NONRECOV\fP (async nonrecoverable exception mode)¡¢
188 \fBPR_FP_EXC_ASYNC\fP (async recoverable exception mode)¡¢
189 \fBPR_FP_EXC_PRECISE\fP (precise exception mode)¡£
191 .BR PR_GET_FPEXC "(Linux 2.4.21 ¤ª¤è¤Ó 2.5.32 °Ê¹ß¡¢PowerPC ¤Î¤ß)"
192 ÉâÆ°¾®¿ôÅÀÎã³°¥â¡¼¥É¤ÎÃͤò
194 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£
196 .BR PR_SET_KEEPCAPS " (Linux 2.2.18 °Ê¹ß)"
197 ¥¹¥ì¥Ã¥É¤Î¡Ö¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£ÊÝ»ý¡×¥Õ¥é¥°¤òÀßÄꤹ¤ë¡£
198 ¤³¤Î¥Õ¥é¥°¤Ï¡¢¥¹¥ì¥Ã¥É¤Î¼Â UID¡¢¼Â¸ú UID¡¢Êݸ set-user-ID ¤Î¤¦¤Á¾¯¤Ê¤¯¤È¤â
199 °ì¤Ä¤¬ 0 ¤Ç¤¢¤Ã¤¿¾õÂÖ¤«¤é¡¢¤³¤ì¤éÁ´¤Æ¤¬ 0 °Ê³°¤ËÊѹ¹¤µ¤ì¤¿¤È¤¡¢
200 ¥¹¥ì¥Ã¥É¤Î¼Â¸ú/µö²Ä¤Î¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£½¸¹ç¤¬¥¯¥ê¥¢¤µ¤ì¤ë¤«¤É¤¦¤«¤ò·èÄꤹ¤ë
201 (¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¤³¤ì¤é¤Î¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£½¸¹ç¤Ï¥¯¥ê¥¢¤µ¤ì¤ë)¡£
203 ¤Ï 0 (¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤ò¥¯¥ê¥¢¤¹¤ë) ¤¢¤ë¤¤¤Ï 1 (¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤òÊÝ»ý¤¹¤ë) ¤Î
204 ¤É¤Á¤é¤«¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
206 ¤¬¸Æ¤Ó½Ð¤µ¤ì¤ë¤È¡¢¤³¤ÎÃÍ¤Ï 0 ¤Ë¥ê¥»¥Ã¥È¤µ¤ì¤ë¡£
208 .BR PR_GET_KEEPCAPS " (Linux 2.2.18 °Ê¹ß)"
209 ¸Æ¤Ó½Ð¤·¸µ¥¹¥ì¥Ã¥É¤Ë¤ª¤±¤ë¡Ö¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£ÊÝ»ý¡×¥Õ¥é¥°¤Î
210 ¸½ºß¤Î¾õÂÖ¤ò (´Ø¿ô¤ÎÊÖ¤êÃͤȤ·¤Æ) ÊÖ¤¹¡£
212 .BR PR_SET_NAME " (Linux 2.6.9 °Ê¹ß)"
213 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥×¥í¥»¥¹Ì¾¤ò
215 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤µ¤ì¤¿Ãͤò»È¤Ã¤ÆÀßÄꤹ¤ë¡£
216 ̾Á°¤ÏºÇÂç¤Ç 16 ¥Ð¥¤¥È¤Ç¤¢¤ê¡¢
217 .\" TASK_COMM_LEN in include/linux/sched.h
218 ¤½¤ì¤è¤ê¾¯¤Ê¤¤¥Ð¥¤¥È¿ô¤Î¾ì¹ç¤Ï NULL ¤Ç½ªÃ¼¤¹¤Ù¤¤Ç¤¢¤ë¡£
220 .BR PR_GET_NAME " (Linux 2.6.11 °Ê¹ß)"
221 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥×¥í¥»¥¹Ì¾¤ò
223 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£
224 ¥Ð¥Ã¥Õ¥¡¤ÏºÇÂç¤Ç 16 ¥Ð¥¤¥È¤ò³ÊǼ¤Ç¤¤ë¤è¤¦¤Ë¤¹¤Ù¤¤Ç¤¢¤ë¡£
225 ÊÖ¤µ¤ì¤ëʸ»úÎó¤Ï¡¢Ä¹¤µ¤¬ 16 ¥Ð¥¤¥È¤è¤êû¤¤¾ì¹ç¤Ï NULL ½ªÃ¼¤µ¤ì¤ë¡£
227 .BR PR_SET_PDEATHSIG " (Linux 2.1.57 °Ê¹ß)"
228 ¿Æ¥×¥í¥»¥¹»àË´¥·¥°¥Ê¥ë (parent process death signal) ¤ò \fIarg2\fP ¤ËÀßÄꤹ¤ë
229 (ÀßÄê¤Ç¤¤ë¥·¥°¥Ê¥ëÃͤÎÈÏ°Ï¤Ï 1..maxsig ¤Ç¤¢¤ê¡¢0 ¤ÏÄÌÃΤβò½ü¤Ç¤¢¤ë)¡£
230 ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¿Æ¥×¥í¥»¥¹¤¬»à¤ó¤ÀºÝ¤Ë¡¢¤³¤³¤ÇÀßÄꤷ¤¿Ãͤ¬
231 ¥·¥°¥Ê¥ë¤È¤·¤ÆÄÌÃΤµ¤ì¤ë¡£¤³¤ÎÃͤÏ
233 ¤Î»Ò¥×¥í¥»¥¹¤Ç¤Ï²ò½ü¤µ¤ì¤ë¡£
235 .BR PR_GET_PDEATHSIG " (Linux 2.3.15 °Ê¹ß)"
236 ¿Æ¥×¥í¥»¥¹»àË´¥·¥°¥Ê¥ë¤Î¸½ºß¤ÎÃͤò
238 ¤¬»Ø¤¹¾ì½ê¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£
240 .BR PR_SET_SECCOMP " (Linux 2.6.23 °Ê¹ß)"
241 .\" See http://thread.gmane.org/gmane.linux.kernel/542632
242 .\" [PATCH 0 of 2] seccomp updates
243 .\" andrea@cpushare.com
244 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î secure computing ¥â¡¼¥É¤òÀßÄꤹ¤ë¡£
247 ¤Ï 1 ¤Ë¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
248 secure computing ¥â¡¼¥É¤ò 1 ¤ËÀßÄꤹ¤ë¤È¡¢
249 ¤½¤Î¥¹¥ì¥Ã¥É¤¬¸Æ¤Ó½Ð¤·¤òµö²Ä¤µ¤ì¤ë¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï
255 ¤½¤ì°Ê³°¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤ò¸Æ¤Ó½Ð¤¹¤È¡¢¥·¥°¥Ê¥ë
258 ¥Ñ¥¤¥×¤ä¥½¥±¥Ã¥È¤«¤éÆɤ߹þ¤ó¤À¡¢¿®Íê¤Ç¤¤Ê¤¤¥Ð¥¤¥È¥³¡¼¥É¤ò¼Â¹Ô¤¹¤ë
259 ɬÍפ¬¤¢¤ëÂçÎ̤α黻¤ò¹Ô¤¦¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ë¤ª¤¤¤Æ¡¢
260 secure computing ¥â¡¼¥É¤ÏÌòΩ¤Ä¡£
261 ¤³¤ÎÁàºî¤ÏÍøÍѤǤ¤ë¤Î¤Ï¡¢¥«¡¼¥Í¥ë¤¬ CONFIG_SECCOMP ¤ò͸ú¤Ë¤·¤Æ
262 ºîÀ®¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤À¤±¤Ç¤¢¤ë¡£
264 .BR PR_GET_SECCOMP " (Linux 2.6.23 °Ê¹ß)"
265 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î secure computing ¥â¡¼¥É¤òÊÖ¤¹¡£
266 ¸½ºß¤Î¼ÂÁõ (¥â¡¼¥É¤Ï 1 ¸ÇÄê) ¤Ï¤¢¤Þ¤êÌò¤ËΩ¤¿¤Ê¤¤¤¬¡¢
267 ¾Í辤Υ⡼¥É¤¬¼ÂÁõ¤µ¤ì¤ë¤ÈÌòΩ¤Ä¤è¤¦¤Ë¤Ê¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
268 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤¬ secure computing ¥â¡¼¥É¤Ç¤Ê¤«¤Ã¤¿¾ì¹ç¡¢
269 ¤³¤ÎÁàºî¤Ï 0 ¤òÊÖ¤¹¡£
270 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤¬ secure computing ¥â¡¼¥É¤Î¾ì¹ç¡¢
274 ¤¬¤½¤Î¥×¥í¥»¥¹¤ËÁ÷¿®¤µ¤ì¤ë¡£
275 ¤³¤ÎÁàºî¤¬ÍøÍѤǤ¤ë¤Î¤Ï¡¢¥«¡¼¥Í¥ë¤¬ CONFIG_SECCOMP ¤ò͸ú¤Ë¤·¤Æ
276 ºîÀ®¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤À¤±¤Ç¤¢¤ë¡£
278 .BR PR_SET_SECUREBITS " (Linux 2.6.26 °Ê¹ß)"
279 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î "securebits" ¥Õ¥é¥°¤ò
281 ¤ÇÅϤµ¤ì¤¿ÃͤËÀßÄꤹ¤ë¡£
285 .BR PR_GET_SECUREBITS " (Linux 2.6.26 °Ê¹ß)"
286 ¸Æ¤Ó½Ð¤·¤¿¥¹¥ì¥Ã¥É¤Î "securebits" ¥Õ¥é¥°¤ò
287 (´Ø¿ô¤ÎÊÖ¤êÃͤȤ·¤Æ) ÊÖ¤¹¡£
291 .BR PR_SET_TIMING " (Linux 2.6.0-test4 °Ê¹ß)"
292 (Ä̾ï¤Î¡¢ÅÁÅýŪ¤Ë»È¤ï¤ì¤Æ¤¤¿) Åý·×Ū¤Ê¥×¥í¥»¥¹¥¿¥¤¥ß¥ó¥°¤ò»ÈÍѤ¹¤ë¤«¡¢
293 Àµ³Î¤Ê¥¿¥¤¥à¥¹¥¿¥ó¥×¤Ë´ð¤Å¤¯¥×¥í¥»¥¹¥¿¥¤¥ß¥ó¥°¤ò»ÈÍѤ¹¤ë¤«¤òÀßÄꤹ¤ë¡£
294 \fIarg2\fP ¤Ë»ØÄê¤Ç¤¤ëÃͤÏ
295 .B PR_TIMING_STATISTICAL
298 .B PR_TIMING_TIMESTAMP
301 .B PR_TIMING_TIMESTAMP
302 ¤Ï¸½ºß¤Î¤È¤³¤í¼ÂÁõ¤µ¤ì¤Æ¤¤¤Ê¤¤
303 (¤³¤Î¥â¡¼¥É¤ËÀßÄꤷ¤è¤¦¤È¤¹¤ë¤È¥¨¥é¡¼
305 ¤¬µ¯¤³¤ë¤³¤È¤À¤í¤¦)¡£
306 .\" 2.6.26-rc8 ¤Ç¤Ï PR_TIMING_TIMESTAMP ¤Ï²¿¤â¤·¤Ê¤¤¡£
307 .\" ¥Ñ¥Ã¥Á¤ÎÍúÎò¤ò¸«¤¿¤¬¡¢²áµî¤Ë¤â²¿¤«¤ò¤·¤¿¤³¤È¤â¤Ê¤¤¡£
309 .BR PR_GET_TIMING " (Linux 2.6.0-test4 °Ê¹ß)"
310 ¸½ºß»ÈÍÑÃæ¤Î¥×¥í¥»¥¹¥¿¥¤¥ß¥ó¥°¤ò·è¤á¤ëÊýË¡¤òÊÖ¤¹¡£
312 .BR PR_SET_TSC " (Linux 2.6.26 °Ê¹ß, x86 ¤Î¤ß)"
313 ¤½¤Î¥×¥í¥»¥¹¤¬¥¿¥¤¥à¥¹¥¿¥ó¥×¡¦¥«¥¦¥ó¥¿¤òÆɤ߽Ф»¤ë¤«¤ò·èÄꤹ¤ë
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353 .BR PR_GET_KEEPCAPS ,
354 .BR PR_CAPBSET_READ ,
356 .BR PR_GET_SECUREBITS ,
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401 .RB ( capabilities (7)
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422 .\" seccomp mode will cause SIGKILL.
427 .\" .BR PR_SET_SECCOMP ,
428 .\" and secure computing mode is already 1.
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441 .BI "ptrdiff_t prctl(int " option ", int " arg2 ", int " arg3 );
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