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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (C) 1996 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.\" manual page may be incorrect or out-of-date.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 Feb 23 19:45:43 JST 1997
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated and revised Fri Oct 24 23:34:51 JST 2003
.\" by Suzuki Takashi.
.\"
.\"WORD: in-core
.\"
.TH MSYNC 2 2003-08-21 "Linux 2.4" "Linux Programmer's Manual"
.SH "̾"
msync \- եޥåפƱ
.SH ""
.B #include <sys/mman.h>
.sp
.BI "int msync(void *" start ", size_t " length ", int " flags );
.SH ""
.BR msync ()
.BR mmap (2)
Ȥäƥ˥ޥåפ줿եΡ
Υԡˤʤ줿ѹǥȿǤ롣
δؿѤʤȡ
.BR munmap (2)
ƤӽФޤѹᤵݾڤϤʤ
ΤˤϡեΤ
.I start
ϤޤĹ
.I length
Υΰбʬ롣
.I flags
ˤϥӥå MS_ASYNC MS_SYNC MS_INVALIDATE ꤹ뤳ȤǤ롣
MS_ASYNC MS_SYNC Ʊ˻ꤹ뤳ȤϤǤʤ
MS_ASYNC ϹͽȤ߹ळȤɽƤӽФľ֤롣
MS_SYNC ϹᤷλޤԤġ
MS_INVALIDATE ƱեФ¾Υޥåԥ̵ˤ뤳Ȥ᤹
(äͤǥޥåԥ뤳ȤǤ褦)
.SH "֤"
硢 0 ֤롣顼ξ硢 \-1 ֤ꡢ
.I errno
Ŭڤꤵ롣
.SH "顼"
.TP
.BR EINVAL
.I start
PAGESIZE ܿǤʤޤϡ
.I flags
MS_ASYNC MS_INVALIDATE MS_SYNC ʳΥӥåȤꤵ줿
ޤϡ
.I flags
MS_SYNC MS_ASYNC ξꤵ줿
.TP
.B ENOMEM
ꤵ줿 (ޤϤΰ) ޥåפƤʤ
.SH ""
.BR msync ()
Ѳǽ POSIX ƥǤ
.B _POSIX_MAPPED_FILES
.B _POSIX_SYNCHRONIZED_IO
ξ <unistd.h> 0 礭ͤ롣 (
.BR sysconf (3)
Ȥ뤳ȡ )
.\" POSIX.1-2001: ͤ -1 ޤ 0 ޤ 200112L 롣
.\" -1 ϻԲǽ 0 sysconf() 䤤碌
.\" glibc Ǥ 1 Ƥ롣
.SH ""
POSIX.1-2001.
δؿ Linux 1.3.21 Ƴ졢 ENOMEM ǤϤʤ EFAULT ȤƤ
Linux 2.4.19 POSIX ˤ ENOMEM ѹ줿
.SH "Ϣ"
.BR mmap (2)
.br
B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128-129 and 389-391.
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