150 lines
4.7 KiB
Groff
150 lines
4.7 KiB
Groff
.\" Copyright (c) 1980, 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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.\" @(#)core.5 8.3 (Berkeley) 12/11/93
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.\" %FreeBSD: src/share/man/man5/core.5,v 1.16 2002/03/17 13:09:35 ru Exp %
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 9, 2002
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.Dt CORE 5
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.Os
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.Sh ̾¾Î
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.Nm core
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.Nd ¥á¥â¥ê¥¤¥á¡¼¥¸¤Î¥Õ¥¡¥¤¥ë¥Õ¥©¡¼¥Þ¥Ã¥È
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.Sh ½ñ¼°
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.In sys/param.h
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.Sh ²òÀâ
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¥×¥í¥»¥¹¤ò°Û¾ï½ªÎ»¤µ¤»¤ë¾¯¿ô¤Î¥·¥°¥Ê¥ë¤Ï¡¢
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.Xr sigaction 2
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¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£)
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.Nm ¥×¥í¥°¥é¥à̾.core
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¤¿¤À¤·¡¢½ªÎ»¤·¤¿¥×¥í¥»¥¹¤¬¤½¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Ë½ñ¤¤³¤ß¸¢¸Â¤ò»ý¤Á¡¢
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.Xr savecore 8
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¤ò»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£)
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.Pp
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¥³¥¢¥Õ¥¡¥¤¥ë¤ÎºÇÂ祵¥¤¥º¤Ï
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.Xr setrlimit 2
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¤Ë¤è¤êÀ©¸Â¤µ¤ì¤Þ¤¹¡£
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¥Õ¥¡¥¤¥ë̾¤Ï
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.Xr sysctl 8
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ÊÑ¿ô
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.Va kern.corefile
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¤³¤ÎÊÑ¿ô¤ÎÆâÍƤ¬¥³¥¢¥¤¥á¡¼¥¸¤ò³ÊǼ¤¹¤ë¥Õ¥¡¥¤¥ë¤Î̾Á°¤ò¼¨¤·¤Þ¤¹¡£
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¤³¤Î¥Õ¥¡¥¤¥ë̾¤ÏÀäÂФǤâÁêÂФǤ⤫¤Þ¤¤¤Þ¤»¤ó
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¤³¤Î¥Õ¥¡¥¤¥ë̾¥Æ¥ó¥×¥ì¡¼¥ÈÃæ¤Î¥·¡¼¥±¥ó¥¹
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.Em \&%N
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¤Ï¥×¥í¥»¥¹Ì¾¤ÇÃÖ¤´¹¤¨¤é¤ì¡¢
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.Em \&%P
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¤Ï¥×¥í¥»¥¹¤Î PID ¤ÇÃÖ¤´¹¤¨¤é¤ì¡¢
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.Em \&%U
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¤Ï UID ¤ÇÃÖ¤´¹¤¨¤é¤ì¤Þ¤¹¡£
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¥Ç¥Õ¥©¥ë¥È¤Î̾Á°¤Ï
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.Em \&%N.core
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¤Ç¤¢¤ê¡¢ÅÁÅýŪ¤Ê
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.Fx
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¤Î¿¶Éñ¤¤¤È¤Ê¤ê¤Þ¤¹¡£
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.Pp
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¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¡¢¼Â¤Þ¤¿¤Ï¼Â¸ú¤Î¥æ¡¼¥¶¡¢¥°¥ë¡¼¥×¤¬Êѹ¹¤µ¤ì¤Æ¤¤¤ë
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¥×¥í¥»¥¹¤¬¥³¥¢¥Õ¥¡¥¤¥ë¤òÀ¸À®¤·¤Þ¤»¤ó¡£
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.\" +By default, a process that changes user or group credentials whether
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.\" +real or effective will not create a corefile.
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¤³¤ÎÆ°ºî¤Ï
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.Xr sysctl 8
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¤Ç
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.Va kern.sugid_coredump
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¤ò 1 ¤Ë¤¹¤ë¤³¤È¤Ë¤è¤ê¥³¥¢¤òÀ¸À®¤¹¤ëÍѤËÊѹ¹¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
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.\" +This behaviour can be
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.\" +changed to generate a core dump by setting the
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.\" +.Xr sysctl 8
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.\" +variable
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.\" +.Va kern.sugid_coredump
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.\" +to 1.
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¥³¥¢¥Õ¥¡¥¤¥ë¤Ï¡¢(¥Ú¡¼¥¸¿ô¤Ç¤Î) Â礤µ¤¬
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.Aq Pa sys/param.h
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¥Õ¥¡¥¤¥ë¤Ç
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.Dv UPAGES
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¤ÈÄêµÁ¤µ¤ì¤Æ¤¤¤ë
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.Fa u.
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Îΰ褫¤é¤Ê¤ê¤Þ¤¹¡£
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.Fa u.
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.Aq Pa sys/user.h
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¤Ëµ½Ò¤µ¤ì¤Æ¤¤¤ë
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.Fa user
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¥³¥¢¥Õ¥¡¥¤¥ëÃæ¤Î¥Ç¡¼¥¿¶õ´Ö¥¤¥á¡¼¥¸¤Î (¥Ú¡¼¥¸¿ô¤Ç¤Î) Â礤µ¤Ï¡¢
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.Fa u.
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.Fa u_dsize
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¥³¥¢¥Õ¥¡¥¤¥ëÃæ¤Î¥¹¥¿¥Ã¥¯¥¤¥á¡¼¥¸¤Î (¥Ú¡¼¥¸¿ô¤Ç¤Î) Â礤µ¤Ï¡¢
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.Fa u.
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.Fa u_ssize
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¤ÇÍ¿¤¨¤é¤ì¤Þ¤¹¡£
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``¥Ú¡¼¥¸'' ¥µ¥¤¥º¤ÏÄê¿ô
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.Dv PAGE_SIZE
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¤ÇÍ¿¤¨¤é¤ì¤Þ¤¹ (¤³¤ì¤â
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.Aq Pa sys/param.h
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¤«¤éÍ¿¤¨¤é¤ì¤Þ¤¹)¡£
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.Sh »ÈÍÑÎã
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Á´¥³¥¢¥¤¥á¡¼¥¸¤ò¡¢
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.Pa /var/coredumps
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°Ê²¼¤Î¥æ¡¼¥¶¤´¤È¤Î¥×¥é¥¤¥Ù¡¼¥ÈÎΰè¤Ë³ÊǼ¤¹¤ë¤¿¤á¤Ë¤Ï¡¢
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¼¡¤Î¤è¤¦¤Ë
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.Xr sysctl 8
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¥³¥Þ¥ó¥É¤ò»ÈÍѤ·¤Þ¤¹:
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.Pp
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.Dl sysctl kern.corefile="/var/coredumps/\&%U/\&%N.core"
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.Sh ´ØÏ¢¹àÌÜ
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.Xr gdb 1 ,
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.Xr kgdb 1 ,
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.Xr setrlimit 2 ,
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.Xr sigaction 2 ,
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.Xr sysctl 8
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.Sh Îò»Ë
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.Nm
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¥Õ¥¡¥¤¥ë¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï
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.At v6
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¤ËÅо줷¤Þ¤·¤¿¡£
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