Date: Sat, 31 Mar 2012 06:53:52 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r233731 - stable/9/lib/libc/sys Message-ID: <201203310653.q2V6rq2B088547@svn.freebsd.org>
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Author: kib Date: Sat Mar 31 06:53:52 2012 New Revision: 233731 URL: http://svn.freebsd.org/changeset/base/233731 Log: MFC r233102: Do not claim that msync(2) is obsoleted. Document EIO from msync(2). Modified: stable/9/lib/libc/sys/mmap.2 stable/9/lib/libc/sys/msync.2 Directory Properties: stable/9/lib/libc/ (props changed) stable/9/lib/libc/sys/ (props changed) Modified: stable/9/lib/libc/sys/mmap.2 ============================================================================== --- stable/9/lib/libc/sys/mmap.2 Sat Mar 31 06:50:27 2012 (r233730) +++ stable/9/lib/libc/sys/mmap.2 Sat Mar 31 06:53:52 2012 (r233731) @@ -28,7 +28,7 @@ .\" @(#)mmap.2 8.4 (Berkeley) 5/11/95 .\" $FreeBSD$ .\" -.Dd August 28, 2010 +.Dd March 18, 2012 .Dt MMAP 2 .Os .Sh NAME @@ -205,7 +205,7 @@ command and system call generally do not flush dirty NOSYNC VM data. The .Xr msync 2 -system call is obsolete since +system call is usually not needed since .Bx implements a coherent file system buffer cache. However, it may be Modified: stable/9/lib/libc/sys/msync.2 ============================================================================== --- stable/9/lib/libc/sys/msync.2 Sat Mar 31 06:50:27 2012 (r233730) +++ stable/9/lib/libc/sys/msync.2 Sat Mar 31 06:53:52 2012 (r233731) @@ -28,7 +28,7 @@ .\" @(#)msync.2 8.2 (Berkeley) 6/21/94 .\" $FreeBSD$ .\" -.Dd June 21, 1994 +.Dd March 18, 2012 .Dt MSYNC 2 .Os .Sh NAME @@ -98,6 +98,9 @@ The argument was both MS_ASYNC and MS_INVALIDATE. Only one of these flags is allowed. +.It Bq Er EIO + An error occurred while writing at least one of the pages in +the specified region. .El .Sh SEE ALSO .Xr madvise 2 , @@ -113,7 +116,7 @@ system call first appeared in .Sh BUGS The .Fn msync -system call is obsolete since +system call is usually not needed since .Bx implements a coherent file system buffer cache. However, it may be used to associate dirty VM pages with file system
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