(split) Apply minor changes from v3.32 to v3.35 in the upstream.

[linuxjm/LDP_man-pages.git] / release / man2 / ptrace.2

.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (c) 1993 Michael Haardt
.\" (michael@moria.de),
.\" Fri Apr  2 11:32:09 MET DST 1993
.\"
.\" changes Copyright 1999 Mike Coleman (mkc@acm.org)
.\" -- major revision to fully document ptrace semantics per recent Linux
.\"    kernel (2.2.10) and glibc (2.1.2)
.\" Sun Nov  7 03:18:35 CST 1999
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Modified Fri Jul 23 23:47:18 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Fri Jan 31 16:46:30 1997 by Eric S. Raymond <esr@thyrsus.com>
.\" Modified Thu Oct  7 17:28:49 1999 by Andries Brouwer <aeb@cwi.nl>
.\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@gmail.com>
.\"     Added notes on capability requirements
.\"
.\" 2006-03-24, Chuck Ebbert <76306.1226@compuserve.com>
.\"    Added    PTRACE_SETOPTIONS, PTRACE_GETEVENTMSG, PTRACE_GETSIGINFO,
.\"        PTRACE_SETSIGINFO, PTRACE_SYSEMU, PTRACE_SYSEMU_SINGLESTEP
.\"    (Thanks to Blaisorblade, Daniel Jacobowitz and others who helped.)
.\"
.\" FIXME: Linux 3.1 adds PTRACE_SEIZE, PTRACE_INTERRUPT, and PTRACE_LISTEN.
.\"
.\" Japanese Version Copyright (c) 1997-1999 HANATAKA Shinya
.\"         all rights reserved.
.\" Translated 1999-11-20, HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated 2003-10-11, Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2006-07-23, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.28
.\" Updated 2007-01-07, Akihiro MOTOKI, LDP v2.43
.\" Updated 2007-05-01, Akihiro MOTOKI, LDP v2.46
.\" Updated 2008-08-06, Akihiro MOTOKI, LDP v3.05
.\" Updated 2009-04-13, Akihiro MOTOKI, LDP v3.20
.\"
.\"WORD:        child process           »Ò¥×¥í¥»¥¹
.\"WORD:        parent process          ¿Æ¥×¥í¥»¥¹
.\"WORD:        core image              ¥á¥â¥ê¡¦¥¤¥á¡¼¥¸
.\"WORD:        break point             ¥Ö¥ì¡¼¥¯¡¦¥Ý¥¤¥ó¥È
.\"WORD:        single step             ¥·¥ó¥°¥ë¡¦¥¹¥Æ¥Ã¥×¼Â¹Ô
.\"WORD:        trap flag               ¥È¥é¥Ã¥×¡¦¥Õ¥é¥°
.\"WORD:        attach                  Àܳ
.\"WORD:        detach                  ʬΥ
.\"WORD:        process ID              ¥×¥í¥»¥¹ID
.\"
.TH PTRACE 2 2009-03-30 "Linux" "Linux Programmer's Manual"
.SH ̾Á°
ptrace \- ¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹
.SH ½ñ¼°
.nf
.B #include <sys/ptrace.h>
.sp
.BI "long ptrace(enum __ptrace_request " request ", pid_t " pid ", "
.BI "            void *" addr ", void *" data );
.fi
.SH ÀâÌÀ
.BR ptrace ()
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¡¢¿Æ¥×¥í¥»¥¹¤¬¡¢ÊÌ¤Î¥×¥í¥»¥¹¤Î¼Â¹Ô¤Î´Æ»ë/À©¸æ¤ò
¹Ô¤Ã¤¿¤ê¡¢¥³¥¢¥¤¥á¡¼¥¸ (core image) ¤ä¥ì¥¸¥¹¥¿¤ÎÄ´ºº/Êѹ¹¤ò
¹Ô¤Ã¤¿¤ê¤¹¤ë¼êÃʤòÄ󶡤¹¤ë¡£
.BR ptrace ()
¤Ï¡¢¼ç¤Ë¥Ö¥ì¡¼¥¯¥Ý¥¤¥ó¥È¤Ë¤è¤ë¥Ç¥Ð¥Ã¥°¤ä¥·¥¹¥Æ¥à¥³¡¼¥ë¤Î¥È¥ì¡¼¥¹¤ò
¼ÂÁõ¤¹¤ë¤Î¤ËÍѤ¤¤é¤ì¤ë¡£
.LP
¥È¥ì¡¼¥¹¤ò³«»Ï¤¹¤ë¤Ë¤Ï¡¢¤Þ¤º¿Æ¥×¥í¥»¥¹¤Ç
.BR fork (2)
¤ò¸Æ¤Ó½Ð¤¹¡£À¸À®¤µ¤ì¤¿»Ò¥×¥í¥»¥¹¤Ç
.B PTRACE_TRACEME
¤ò¹Ô¤¤¡¢Â³¤¤¤Æ (ŵ·¿Åª¤Ë¤Ï)
.BR exec (3)
¤ò¹Ô¤Ê¤¦¡£
Ê̤ÎÊýË¡¤È¤·¤Æ¤Ï¡¢
¿Æ¥×¥í¥»¥¹¤¬´û¸¤Î¥×¥í¥»¥¹¤ËÂФ·¤Æ
.B PTRACE_ATTACH
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.LP
¥È¥ì¡¼¥¹¤Î¼Â¹ÔÃæ¡¢»Ò¥×¥í¥»¥¹¤Ï¥·¥°¥Ê¥ë¤¬ÇÛÁ÷¤µ¤ì¤ë¤¿¤Ó¤Ë¡¢
¤¿¤È¤¨¤½¤Î¥·¥°¥Ê¥ë¤¬Ìµ»ë¤¹¤Ù¤­¤â¤Î¤Ç¤¢¤Ã¤Æ¤âÄä»ß¤¹¤ë
.RB ( SIGKILL
¤ÏÎã³°¤Ç¡¢Ä̾ï¤É¤ª¤ê¤Î¸ú²Ì¤ò¤â¤¿¤é¤¹)¡£
¿Æ¥×¥í¥»¥¹¤Ë¤Ï¼¡¤Î
.BR wait (2)
¤ÇÄÌÃΤµ¤ì¡¢Ää»ß¤·¤Æ¤¤¤ë´Ö¤Ë»Ò¥×¥í¥»¥¹¤òÄ´¤Ù¤¿¤ê½¤Àµ¤·¤¿¤ê¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
¤½¤·¤Æ¿Æ¥×¥í¥»¥¹¤Ï»Ò¥×¥í¥»¥¹¤Î¼Â¹Ô¤òºÆ³«¤µ¤»¤ë¤¬¡¢ÇÛÁ÷¤µ¤ì¤¿
¥·¥°¥Ê¥ë¤ò̵»ë¤¹¤ë¤³¤È¤â¤Ç¤­¤ë (¤¢¤ë¤¤¤ÏÂå¤ï¤ê¤ËÊ̤Υ·¥°¥Ê¥ë¤ò
ÇÛÁ÷¤¹¤ë¤³¤È¤â¤Ç¤­¤ë) ¡£
.LP
¿Æ¥×¥í¥»¥¹¤¬¥È¥ì¡¼¥¹¤ò½ªÎ»¤¹¤ëºÝ¤Ë¤Ï¡¢
.B PTRACE_KILL
¤ò»ÈÍѤ·¤Æ»Ò¥×¥í¥»¥¹¤ò½ªÎ»¤µ¤»¤ë¤³¤È¤â¤Ç¤­¤ë¤·¡¢
.B PTRACE_DETACH
¤òÍѤ¤¤ÆÄ̾ï¤Î¥È¥ì¡¼¥¹¤Ê¤·¤Î¥â¡¼¥É¤Ë¤·¤Æ¡¢
¼Â¹Ô¤ò·Ñ³¤µ¤»¤ë¤³¤È¤â¤Ç¤­¤ë¡£
.LP
\fIrequest\fP ¤ÎÃͤ¬¤³¤Î¥·¥¹¥Æ¥à¥³¡¼¥ë¤ÎÆ°ºî¤ò·èÄꤹ¤ë:
.TP
.B PTRACE_TRACEME
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¤³¤Î¥×¥í¥»¥¹¤Ë
.RB ( SIGKILL
°Ê³°¤Î) ¥·¥°¥Ê¥ë¤¬ÇÛÁ÷¤µ¤ì¤ë¤È¡¢
¥×¥í¥»¥¹¤ÏÄä»ß¤·¡¢¿Æ¥×¥í¥»¥¹¤Ë
.BR wait (2)
¤òÄ̤¸¤ÆÄÌÃΤµ¤ì¤ë¡£
¤Þ¤¿¡¢¤³¤ì°Ê¹ß¤Ï¤³¤Î¥×¥í¥»¥¹¤¬
.BR execve (2)
¤ò¸Æ¤Ó½Ð¤¹ÅÙ¤Ë
.B SIGTRAP
¤¬Á÷¿®¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤ë¡£
¤³¤ì¤Ë¤è¤Ã¤Æ¡¢¿Æ¥×¥í¥»¥¹¤Ï
¿·¤·¤¤¥×¥í¥°¥é¥à¤¬¼Â¹Ô¤ò³«»Ï¤¹¤ëÁ°¤ËÀ©¸æ¤¹¤ë¤³¤È¤¬¤Ç¤­¤ë¡£
¿Æ¥×¥í¥»¥¹¤¬¼«¥×¥í¥»¥¹¤ò¥È¥ì¡¼¥¹¤¹¤ë¤Ä¤â¤ê¤¬¤Ê¤¤¾ì¹ç¤Ë¤Ï¡¢
¤ª¤½¤é¤¯¤³¤Î¥×¥í¥»¥¹¤ÏËÜÍ×µá¤ò¹Ô¤¦¤Ù¤­¤Ç¤Ï¤Ê¤¤¤À¤í¤¦¡£
(\fIpid\fP, \fIaddr\fP, \fIdata\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.LP
¾åµ­¤ÎÍ×µá¤Ï»Ò¥×¥í¥»¥¹¤À¤±¤¬¹Ô¤Ê¤¦¤â¤Î¤Ç¤¢¤ë¡£
»Ä¤ê¤Ï¿Æ¥×¥í¥»¥¹¤À¤±¤¬¹Ô¤Ê¤¦¤â¤Î¤Ç¤¢¤ë¡£
°Ê²¼¤ÎÍ×µá¤Ç¤Ï¡¢\fIpid\fP ¤ÇÁàºî¤ÎÂоݤȤʤë
»Ò¥×¥í¥»¥¹¤ò»ØÄꤹ¤ë¡£
.B PTRACE_KILL
¤ò½ü¤­¡¢Í×µá¤ò¹Ô¤Ê¤¦¤¿¤á¤Ë¤Ï
»Ò¥×¥í¥»¥¹¤ÏÄä»ß¤·¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
.TP
.BR PTRACE_PEEKTEXT ", " PTRACE_PEEKDATA
»Ò¥×¥í¥»¥¹¤Î¥á¥â¥ê¤Î
.I addr
¤Î°ÌÃÖ¤«¤é 1 ¥ï¡¼¥É¤òÆɤ߽Ф¹¡£Æɤ߽Ф·¤¿¥ï¡¼¥É¤Ï
.BR ptrace ()
¤ÎÊÖ¤êÃͤȤ·¤ÆÊÖ¤µ¤ì¤ë¡£ Linux ¤Ç¤Ï¥Æ¥­¥¹¥È (text) ¤È¥Ç¡¼¥¿ (data) ¤Ç
Ʊ¤¸¥¢¥É¥ì¥¹¶õ´Ö¤ò»ÈÍѤ¹¤ë¤¿¤á¡¢¤³¤Î 2 ¤Ä¤ÎÍ×µá¤Ï¸½ºß¤Î¤È¤³¤í
Ʊ¤¸¤â¤Î¤Ç¤¢¤ë¡£ (°ú¤­¿ô \fIdata\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.TP
.B PTRACE_PEEKUSER
.\" PTRACE_PEEKUSR in kernel source, but glibc uses PTRACE_PEEKUSER,
.\" and that is the name that seems common on other systems.
»Ò¥×¥í¥»¥¹¤Î USER Îΰè¤Î¥ª¥Õ¥»¥Ã¥È
.I addr
¤Î°ÌÃÖ¤«¤é 1 ¥ï¡¼¥É¤òÆɤ߹þ¤à¡£USER Îΰè¤Ë¤Ï¤½¤Î¥×¥í¥»¥¹¤Î
¥ì¥¸¥¹¥¿ (registers) ¤Ê¤É¤Î¾ðÊó¤¬ÊÝ»ý¤µ¤ì¤Æ¤¤¤ë
(\fI<sys/user.h>\fP ¤ò»²¾È)¡£Æɤ߹þ¤ó¤À¥ï¡¼¥É¤Ï
.BR ptrace ()
¥³¡¼¥ë¤Î·ë²Ì¤È¤·¤ÆÊÖ¤µ¤ì¤ë¡£
¤¿¤¤¤Æ¤¤¤Ï¥ª¥Õ¥»¥Ã¥È¤Ï¥ï¡¼¥É¶­³¦¤Ë¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤¬¡¢
¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ë¤è¤Ã¤Æ¤Ï¤½¤ÎɬÍפϤʤ¤¡£
¡ÖÃí°Õ¡×¤ÎÀá¤ò»²¾È¡£
(\fIdata\fP ¤Ï̵»ë¤µ¤ì¤ë¡£ )
.TP
.BR PTRACE_POKETEXT ", " PTRACE_POKEDATA
¥ï¡¼¥É
.I data
¤ò»Ò¥×¥í¥»¥¹¤Î¥á¥â¥ê¤Î
.I addr
¤Î°ÌÃ֤إ³¥Ô¡¼¤¹¤ë¡£¾å¤ÈƱÍͤˡ¢¸½ºß¤Î¤È¤³¤íÆó¤Ä¤Î
Í×µá¤ÏƱ¤¸¤â¤Î¤Ç¤¢¤ë¡£
.TP
.B PTRACE_POKEUSER
.\" PTRACE_POKEUSR in kernel source, but glibc uses PTRACE_POKEUSER,
.\" and that is the name that seems common on other systems.
¥ï¡¼¥É
.I data
¤ò»Ò¥×¥í¥»¥¹¤Î USER Îΰè¤Î¥ª¥Õ¥»¥Ã¥È
.I addr
¤Î°ÌÃ֤˥³¥Ô¡¼¤¹¤ë¡£
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¥«¡¼¥Í¥ë¤Î´°Á´À­ (integrity) ¤ò°Ý»ý¤¹¤ë¤¿¤á¡¢
Êѹ¹ÆâÍƤˤè¤Ã¤Æ¤Ï USER Îΰè¤ÎÊѹ¹¤Ï¶Ø»ß¤µ¤ì¤Æ¤¤¤ë¡£
.TP
.BR PTRACE_GETREGS ", " PTRACE_GETFPREGS
¤½¤ì¤¾¤ì¡¢»Ò¥×¥í¥»¥¹¤ÎÈÆÍѥ쥸¥¹¥¿¡¢ÉâÆ°¾®¿ôÅÀ¥ì¥¸¥¹¥¿¤ò¿Æ¥×¥í¥»¥¹¤Î
\fIdata\fP ¤Î°ÌÃ֤˥³¥Ô¡¼¤¹¤ë¡£¤³¤Î data ¤Î½ñ¼°¤Ë´Ø¤·¤Æ¤Ï
\fI<sys/user.h>\fP ¤ò»²¾È¤¹¤ë¤³¤È¡£(\fIaddr\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.TP
.BR PTRACE_GETSIGINFO " (Linux 2.3.99-pre6 °Ê¹ß)"
Ää»ß¤Î¸¶°ø¤È¤Ê¤Ã¤¿¥·¥°¥Ê¥ë¤Ë´Ø¤¹¤ë¾ðÊó¤ò¼èÆÀ¤¹¤ë¡£
\fIsiginfo_t\fP ¹½Â¤ÂÎ
.RB ( sigaction (2)
»²¾È) ¤ò»Ò¥×¥í¥»¥¹¤«¤é¿Æ¥×¥í¥»¥¹¤Î \fIdata\fP ¤Î°ÌÃ֤˥³¥Ô¡¼¤¹¤ë¡£
(\fIaddr\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.TP
.BR PTRACE_SETREGS ", " PTRACE_SETFPREGS
¤½¤ì¤¾¤ì¡¢»Ò¥×¥í¥»¥¹¤ÎÈÆÍѥ쥸¥¹¥¿¡¢ÉâÆ°¾®¿ôÅÀ¥ì¥¸¥¹¥¿¤Ë
¿Æ¥×¥í¥»¥¹¤Î \fIdate\fP ¤Î°ÌÃÖ¤«¤é¥³¥Ô¡¼¤¹¤ë¡£
.B PTRACE_POKEUSER
¤ÈƱÍͤˡ¢ÈÆÍѥ쥸¥¹¥¿¤Ë¤è¤Ã¤Æ¤Ï
Êѹ¹¤¬¶Ø»ß¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¤¬¤¢¤ë¡£ (\fIaddr\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.TP
.BR PTRACE_SETSIGINFO " (Linux 2.3.99-pre6 °Ê¹ß)"
¥·¥°¥Ê¥ë¾ðÊó¤òÀßÄꤹ¤ë¡£
\fIsiginfo_t\fP ¹½Â¤ÂΤò¿Æ¥×¥í¥»¥¹¤Î¥Ç¡¼¥¿ \fIdata\fP ¤Î°ÌÃÖ¤«¤é
»Ò¥×¥í¥»¥¹¤Ë¥³¥Ô¡¼¤¹¤ë¡£
¤³¤Î½èÍý¤ò¹Ô¤¦¤³¤È¤¬¤Ç¤­¤ë¤Î¤Ï¡¢»Ò¥×¥í¥»¥¹¤ËÄ̾ï¤ÏÇÛÁ÷¤µ¤ì¤ë¤Ï¤º¤Ç
¥È¥ì¡¼¥µ¤ËÊ᪤µ¤ì¤¿¥·¥°¥Ê¥ë¤Ë¤Ä¤¤¤Æ¤À¤±¤Ç¤¢¤ë¡£
¤³¤ì¤é¤ÎÄ̾ï¤Î¥·¥°¥Ê¥ë¤È
.BR ptrace ()
¼«¿È¤¬È¯À¸¤¹¤ë¥·¥°¥Ê¥ë¤ò¸«Ê¬¤±¤ë¤Î¤ÏÆñ¤·¤¤¤«¤â¤·¤ì¤Ê¤¤¡£
(\fIaddr\fP ¤Ï̵»ë¤µ¤ì¤ë¡£)
.TP
.BR PTRACE_SETOPTIONS " (Linux 2.4.6 °Ê¹ß; ¥Ð¥°¤Î¾Ï¤Ë¤¢¤ë·Ù¹ð¤â»²¾È)"
¿Æ¥×¥í¥»¥¹¤Î \fIdata\fP ¤Ë´ð¤Å¤¤¤Æ ptrace ¤Î¥ª¥×¥·¥ç¥ó¤òÀßÄꤹ¤ë
(\fIaddr\fP ¤Ï̵»ë¤µ¤ì¤ë)¡£
\fIdata\fP ¤Ï¥ª¥×¥·¥ç¥ó¤Î¥Ó¥Ã¥È¥Þ¥¹¥¯¤È¤·¤Æ²ò¼á¤µ¤ì¡¢
¥ª¥×¥·¥ç¥ó¤Ë¤Ï°Ê²¼¤Î¥Õ¥é¥°¤ò»ØÄê¤Ç¤­¤ë:
.RS
.TP
.BR PTRACE_O_TRACESYSGOOD " (Linux 2.4.6 °Ê¹ß)"
¥·¥¹¥Æ¥à¥³¡¼¥ë¤Î¥È¥é¥Ã¥×¤¬ÇÛÁ÷¤µ¤ì¤¿¤È¤­¤Ë¡¢¥·¥°¥Ê¥ëÈÖ¹æ¤Î¥Ó¥Ã¥È 7
¤òÀßÄꤹ¤ë (¤¹¤Ê¤ï¤Á¡¢\fISIGTRAP | 0x80\fP ¤òÇÛÁ÷¤¹¤ë)¡£
¤³¤ì¤Ë¤è¤ê¡¢¥È¥ì¡¼¥µ¤¬Ä̾ï¤Î¥È¥é¥Ã¥×¤È¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ë¤è¤ë¥È¥é¥Ã¥×¤ò
¶èÊ̤·¤ä¤¹¤¯¤Ê¤ë¡£
.RB ( PTRACE_O_TRACESYSGOOD
¤Ï¤É¤Î¥¢¡¼¥­¥Æ¥¯¥Á¥ã¤Ç¤âÆ°ºî¤·¤Ê¤¤²ÄǽÀ­¤¬¤¢¤ë¡£)
.TP
.BR PTRACE_O_TRACEFORK " (Linux 2.5.46 °Ê¹ß)"
¼¡¤Î
.BR fork (2)
¸Æ¤Ó½Ð¤·»þ¤Ë \fISIGTRAP | PTRACE_EVENT_FORK\ <<\ 8\fP ¤Ç
»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¡¢
¿·¤¿¤Ë fork ¤µ¤ì¤¿¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹¤ò¼«Æ°Åª¤Ë³«»Ï¤·¡¢
.B SIGSTOP
¤Ç¤½¤Î¥×¥í¥»¥¹¤Î¼Â¹Ô¤ò³«»Ï¤¹¤ë¡£
¿·¤·¤¤¥×¥í¥»¥¹¤Î PID ¤Ï
.B PTRACE_GETEVENTMSG
¤Ç¼èÆÀ¤Ç¤­¤ë¡£
.TP
.BR PTRACE_O_TRACEVFORK " (Linux 2.5.46 °Ê¹ß)"
¼¡¤Î
.BR vfork (2)
¸Æ¤Ó½Ð¤·»þ¤Ë \fISIGTRAP | PTRACE_EVENT_VFORK\ <<\ 8\fP ¤Ç
»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¡¢
¿·¤¿¤Ë vfork ¤µ¤ì¤¿¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹¤ò¼«Æ°Åª¤Ë³«»Ï¤·¡¢
.B SIGSTOP
¤Ç¤½¤Î¥×¥í¥»¥¹¤Î¼Â¹Ô¤ò³«»Ï¤¹¤ë¡£
¿·¤·¤¤¥×¥í¥»¥¹¤Î PID ¤Ï
.B PTRACE_GETEVENTMSG
¤Ç¼èÆÀ¤Ç¤­¤ë¡£
.TP
.BR PTRACE_O_TRACECLONE " (Linux 2.5.46 °Ê¹ß)"
¼¡¤Î
.BR clone (2)
¸Æ¤Ó½Ð¤·»þ¤Ë \fISIGTRAP | PTRACE_EVENT_CLONE\ << \8\fP ¤Ç
»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¡¢
¿·¤¿¤Ë clone ¤ÇºîÀ®¤µ¤ì¤¿¥×¥í¥»¥¹¤Î¥È¥ì¡¼¥¹¤ò¼«Æ°Åª¤Ë³«»Ï¤·¡¢
.B SIGSTOP
¤Ç¥×¥í¥»¥¹¤Î¼Â¹Ô¤ò³«»Ï¤¹¤ë¡£
¿·¤·¤¤¥×¥í¥»¥¹¤Î PID ¤Ï
.B PTRACE_GETEVENTMSG
¤Ç¼èÆÀ¤Ç¤­¤ë¡£
¤³¤Î¥ª¥×¥·¥ç¥ó¤ÇÁ´¤Æ¤Î
.BR clone (2)
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»Ò¥×¥í¥»¥¹¤¬
.B CLONE_VFORK
¥Õ¥é¥°ÉÕ¤­¤Ç
.BR clone (2)
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.B PTRACE_O_TRACEVFORK
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.B PTRACE_EVENT_VFORK
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.B SIGCHLD
¤ËÀßÄꤷ¤Æ
.BR clone (2)
¤ò¸Æ¤Ó½Ð¤·¤¿¾ì¹ç¤Ï¡¢
.B PTRACE_O_TRACEFORK
¤¬ÀßÄꤵ¤ì¤Æ¤¤¤ì¤Ð
.B PTRACE_EVENT_FORK
¤¬ÇÛÁ÷¤µ¤ì¤ë¡£
.TP
.BR PTRACE_O_TRACEEXEC " (Linux 2.5.46 °Ê¹ß)"
¼¡¤Î
.BR execve (2)
¸Æ¤Ó½Ð¤·»þ¤Ë
\fISIGTRAP | PTRACE_EVENT_EXEC\ <<\ 8\fP
¤Ç»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¤ë¡£
.TP
.BR PTRACE_O_TRACEVFORKDONE " (Linux 2.5.60 °Ê¹ß)"
¼¡¤Î
.BR vfork (2)
¸Æ¤Ó½Ð¤·»þ¤Ë
\fISIGTRAP | PTRACE_EVENT_VFORK_DONE\ <<\ 8\fP
¤Ç»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¤ë¡£
.TP
.BR PTRACE_O_TRACEEXIT " (Linux 2.5.60 °Ê¹ß)"
½ªÎ» (exit) »þ¤Ë \fISIGTRAP | PTRACE_EVENT_EXIT\ <<\ 8\fP
¤Ç»Ò¥×¥í¥»¥¹¤ÎÆ°ºî¤òÄä»ß¤µ¤»¤ë¡£»Ò¥×¥í¥»¥¹¤Î½ªÎ»¥¹¥Æ¡¼¥¿¥¹¤Ï
.B PTRACE_GETEVENTMSG
¤Ç¼èÆÀ¤Ç¤­¤ë¡£
¤³¤ÎÄä»ß¤Ï¥ì¥¸¥¹¥¿¤¬¤Þ¤À»²¾È²Äǽ¤Ç¤¢¤ë¥×¥í¥»¥¹½ªÎ»½èÍý¤Î½é´ü¤Ë¹Ô¤ï¤ì¡¢
¥È¥ì¡¼¥µ¤Ï¤É¤³¤Ç½ªÎ»¤¬È¯À¸¤·¤¿¤«¤òÃΤ뤳¤È¤¬¤Ç¤­¤ë¡£
Ä̾ï¤Î½ªÎ»ÄÌÃÎ (exit notification) ¤Ï¥×¥í¥»¥¹¤Î½ªÎ»½èÍý¤¬´°Î»¤·¤¿¸å¤Ë
¹Ô¤ï¤ì¤ë¡£¥³¥ó¥Æ¥­¥¹¥È¤ò»²¾È¤¹¤ë¤³¤È¤Ï¤Ç¤­¤ë¤Ë¤â´Ø¤ï¤é¤º¡¢
¥È¥ì¡¼¥µ¤Ï¤³¤Î»þÅÀ¤«¤é½ªÎ»¤ò»ß¤á¤ë¤³¤È¤Ï¤Ç¤­¤Ê¤¤¡£
.RE
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