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.\" Copyright (C) 2001 Andries Brouwer <aeb@cwi.nl>
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Sun Apr 14 15:22:18 JST 2002
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Modified Thu Jul 3 06:55:08 JST 2003
.\" by Akihiro Motoki <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: page ڡ
.\"WORD: legacy ΰʪ
.\"
.TH GETPAGESIZE 2 2001-12-21 "Linux 2.5.0" "Linux Programmer's Manual"
.SH ̾
getpagesize \- Υڡ
.SH
.B #include <unistd.h>
.sp
.B int getpagesize(void);
.SH
.B getpagesize()
ؿϥڡ礭Хȿ֤ǤΡ֥ڡפ
.BR mmap (2)
ǻѤƤΤǡ
.B mmap
ϤΥڡñ̤ǥեޥåפ롣
.B mmap
ѤڡϰʲΤ褦ˤΤ뤳ȤǤ롣
.RS
.nf
#include <unistd.h>
long sz = sysconf(_SC_PAGESIZE);
.fi
.RE
(ΥƥǤ _SC_PAGESIZE _SC_PAGE_SIZE
Ѥ뤳ȤǤ)⤷ϰʲΤ褦ˤ:
.RS
.nf
#include <unistd.h>
int sz = getpagesize();
.fi
.RE
.SH
Υƥॳ 4.2BSD ǽо줷
.SH
SVr4, 4.4BSD, SUSv2.
SUSv2 Ǥ
.B getpagesize()
ƥॳϡֲΰʪ(legacy)פȤƤꡢ
POSIX 1003.1-2001 ϳƤ롣
HPUX ˤϤΥƥॳ¸ߤʤ
.SH
.B getpagesize()
Linux system call Ȥ¸ߤ뤫ɤϤΥƥ
¸Ƥ롣
ƥॳȤ¸ߤˤϡͥ륷ܥ PAGE_SIZE ֤
PAGE_SIZE ϡƥȥޥǥ˰¸롣
̤ˡХʥϡƥ㤴Ȥ1ĤΥХʥۤǺѤޤ뤿ˡ
ƥˤϰ¸Ƥ뤬ޥǥˤϰ¸Ƥʤ
äơ桼ץϥѥ˥إåե뤫 PAGE_SIZE
ĤƻѤ٤ǤϤʤȤʬ롣
ʤȤ⡢ޥǥˤĤƤ¸¸ߤ (sun4 Τ褦)
ƥˤƤʪΥƥॳѤɬפ롣
libc4, libc5, glibc 2.0 Ǥϡ
.B getpagesize()
ƥࡦѤ֤ͤˡˡ
Ԥ롣glibc 2.1 ǤפǤ롣
.SH Ϣ
.BR mmap (2),
.BR sysconf (3)
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