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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.\" manual page may be incorrect or out-of-date.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.
.\" Updated 2007-01-01 by Kentaro Shirakata <argrath@ub32.org>
.\"
.\"WORD: in-core
.\"
.TH MSYNC 2 2003-08-21 "Linux" "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
.BR MS_ASYNC ,
.BR MS_SYNC ,
.B MS_INVALIDATE
ꤹ뤳ȤǤ뤬
.B MS_ASYNC
.B MS_SYNC
Ʊ˻ꤹ뤳ȤϤǤʤ
.B MS_ASYNC
ϹͽȤ߹ळȤɽƤӽФľ֤롣
.B MS_SYNC
ϹᤷλޤԤġ
.B MS_INVALIDATE
(äͤǥޥåԥ뤳ȤǤ褦)
ƱեФ¾Υޥåԥ̵ˤ뤳Ȥ᤹롣
.SH ֤
硢 0 ֤롣顼ξ硢 \-1 ֤ꡢ
.I errno
Ŭڤꤵ롣
.SH 顼
.TP
.B EBUSY
I flags
.B MS_INVALIDATE
ꤵ줿ꤵ줿ɥ쥹ϰϤ˥å¸ߤ롣
.TP
.B EINVAL
.I start
PAGESIZE ܿǤʤޤϡ
.I flags
.BR MS_ASYNC MS_INVALIDATE MS_SYNC
ʳΥӥåȤꤵ줿
ޤϡ
.I flags
.B MS_SYNC
.B MS_ASYNC
ξꤵ줿
.TP
.B ENOMEM
ꤵ줿 (ޤϤΰ) ޥåפƤʤ
.SH
POSIX.1-2001.
δؿ Linux 1.3.21 Ƴ줿
.B ENOMEM
ǤϤʤ
.B EFAULT
ȤƤ
Linux 2.4.19 POSIX ˤ
.B ENOMEM
ѹ줿
.SH
.BR msync ()
Ѳǽ POSIX ƥǤ
.B _POSIX_MAPPED_FILES
.B _POSIX_SYNCHRONIZED_IO
ξ \fI<unistd.h>\fP 0 礭ͤ롣
.RB ( sysconf (3)
Ȥ뤳ȡ )
.\" POSIX.1-2001: ͤ -1 ޤ 0 ޤ 200112L 롣
.\" -1 ϻԲǽ 0 sysconf() 䤤碌
.\" glibc Ǥ 1 Ƥ롣
.SH Ϣ
.BR mmap (2)
.br
B.O. Gallmeister, POSIX.4, O'Reilly, pp. 128-129 and 389-391.
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