.\" Copyright (c) 1991, 1993
.\"	The 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:
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.\" 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
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.\"	@(#)mincore.2	8.1 (Berkeley) 6/9/93
.\" %FreeBSD: src/lib/libc/sys/mincore.2,v 1.13.2.3 2001/08/17 15:42:45 ru Exp %
.\"
.\" $FreeBSD: doc/ja_JP.eucJP/man/man2/mincore.2,v 1.4 2001/08/19 07:14:26 horikawa Exp $
.Dd June 9, 1993
.Dt MINCORE 2
.Os
.Sh 名称
.Nm mincore
.Nd メモリの使用状況について報告を得る
.Sh ライブラリ
.Lb libc
.Sh 書式
.Fd #include <sys/types.h>
.Fd #include <sys/mman.h>
.Ft int
.Fn mincore "const void *addr" "size_t len" "char *vec"
.Sh 解説
.Fn mincore
システムコールによって、プロセスは、ページがコアに存在しているかどうかに
ついての情報を得られます。
ページが現時点でコアに常駐しているかどうかが文字配列
.Fa vec
内に返され、値 1 はページがコア内にあるという意味です。
.Sh 戻り値
.Rv -std mincore
.Sh エラー
.Bl -tag -width Er
.It Bq Er EINVAL
.Fa addr
引数と
.Fa len
引数によって指定された仮想アドレス範囲が有効ではありません。
.It Bq Er EFAULT
.Fa vec
引数が正しくないアドレスを指しています。
.El
.Sh 関連項目
.Xr madvise 2 ,
.Xr mprotect 2 ,
.Xr msync 2 ,
.Xr munmap 2
.Sh 歴史
.Fn mincore
関数は
.Bx 4.4
ではじめて登場しました。