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+.\" 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:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 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
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" @(#)mincore.2 8.1 (Berkeley) 6/9/93
+.\" %FreeBSD: src/lib/libc/sys/mincore.2,v 1.12.2.1 1999/08/29 14:49:11 peter Exp %
+.\"
+.Dd June 9, 1993
+.Dt MINCORE 2
+.Os
+.Sh 名称
+.Nm mincore
+.Nd メモリの使用法について助言を得る
+.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
+処理が正常に完了すると
+.Fn mincore
+は値 0 を返し、
+.Fa vec
+はページの状態を反映するように更新
+されます。そうでない場合は -1 が返され、エラーを示すために
+.Va errno
+が設定されます。
+.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。