diff options
| author | kib <kib@FreeBSD.org> | 2012-03-17 23:55:18 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-03-17 23:55:18 +0000 |
| commit | 16846fb575f3587f475039b902dd766dbd540f2a (patch) | |
| tree | f2d142d4c58b7896be2d87a4809763c739fcecb3 /lib | |
| parent | 22e84b35272d9d55276d09eccdcdcfaf190b2167 (diff) | |
| download | FreeBSD-src-16846fb575f3587f475039b902dd766dbd540f2a.zip FreeBSD-src-16846fb575f3587f475039b902dd766dbd540f2a.tar.gz | |
Do not claim that msync(2) is obsoleted [1].
Document EIO from msync(2).
Inspired by PR: docs/165929 [1]
Reviewed by: jilles
MFC after: 2 weeks
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/mmap.2 | 4 | ||||
| -rw-r--r-- | lib/libc/sys/msync.2 | 7 |
2 files changed, 7 insertions, 4 deletions
diff --git a/lib/libc/sys/mmap.2 b/lib/libc/sys/mmap.2 index e66f128..73ffb2e 100644 --- a/lib/libc/sys/mmap.2 +++ b/lib/libc/sys/mmap.2 @@ -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 The .Xr msync 2 -system call is obsolete since +system call is usually not needed since .Bx implements a coherent file system buffer cache.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 diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2 index cb15925..42d8005 100644 --- a/lib/libc/sys/msync.2 +++ b/lib/libc/sys/msync.2 @@ -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.El .Sh SEE ALSO .Xr madvise 2 , @@ -113,7 +116,7 @@ system call first appeared in .Sh BUGS The .Fn msync -system call is obsolete since +system call is usually not needed since .Bx implements a coherent file system buffer cache.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 |
